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{{Infobox Planet
{{Infobox planet
| minorplanet = yes
| minorplanet = yes
| name = 3122 Florence
| width = 25em
| background = #FFC2E0
| bgcolour =
| image = Triple asteroid 3122 Florence.gif
| apsis =
| caption =
| name = 3122 Florence
| discovery_ref =  <ref name="jpldata" />
| symbol =
| discovered = 2 March 1981
| image =
| discoverer = [[Schelte Bus|S. J. Bus]]
| caption =
| discovery_site = [[Siding Spring Observatory|Siding Spring Obs.]]
| discovery = yes
| mpc_name = (3122) Florence
| discovery_ref =
| alt_names = {{mp|1981 ET|3}}{{·}}{{mp|1983 CN|1}}
| discoverer =
| discovery_site =
| pronounced =
| named_after = [[Florence Nightingale]]<br />{{small|(English pioneer)}}<ref name="springer" />
| discovered =
| mp_category = [[Amor asteroid|Amor]]{{·}}[[Near-Earth object|NEO]]{{·}}[[Potentially hazardous object|PHA]] <ref name="jpldata" /><ref name="MPC-Florence" />
| designations = yes
| orbit_ref =  <ref name="jpldata" />
| mp_name =
| epoch = 16 February 2017 ([[Julian day|JD]] 2457800.5)
| alt_names =
| mp_category =
| uncertainty = 0
| observation_arc = 37.22 yr (13,595 days)
| orbit_ref =
| aphelion = 2.5164 [[Astronomical unit|AU]]
| epoch =
| perihelion = 1.0205 AU
| aphelion =2.516
| semimajor = 1.7684 AU
| perihelion =1.021
| eccentricity = 0.4230
| semimajor =1.768
| period = 2.35 [[Julian year (astronomy)|yr]] (859 days)
| eccentricity =0.423
| mean_anomaly = 267.62[[Degree (angle)|°]]
| period =
| mean_motion = {{Deg2DMS|0.4191|sup=ms}} / day
| avg_speed =
| inclination =22.2
| inclination = 22.150°
| asc_node =336.1
| asc_node = 336.10°
| arg_peri = 27.814°
| mean_anomaly =124.8
| moid = 0.0453 AU
| arg_peri =27.7
| dimensions = 2.5 km {{small|(EARN)}}<ref name=EARN/><br />{{val|4.010|1.237}} km<ref name="Mainzer-2012" /><br />{{val|4.349|}} km<ref name="Pravec-2012b" /><br />4.35 km {{small|(taken)}}<ref name="lcdb" /><br />{{val|4.401|0.030}} km<ref name="WISE" /><br />4.9 km<ref name="jpldata" />
| satellites =
| rotation = {{val|2.3580|0.0002}} [[Hour|h]]<ref name="Warner-2016j" /><br />{{val|2.3581|}} h<ref name="Pravec-1998b" />{{efn|name=LCDB-Pravec-2002/2003}}<br />{{val|2.3582|0.0003}} h<ref name="geneva-obs" /><br />{{val|2.359|0.001}} h<ref name="Linder-2013" /><br />{{val|2.359|0.003}} h<ref name="Elenin-2012" /><br />{{val|5|1}} h<ref name="Wisniewski-1997" />
| physical_characteristics = yes
| albedo = {{val|0.146|}}<ref name="Pravec-2012b" /><br />{{val|0.21|0.20}}<ref name="Thomas-2011b" /><br />{{val|0.231|0.049}}<ref name="WISE" /><ref name="Mainzer-2011" /><br />{{val|0.258|0.199}}<ref name="Mainzer-2012" />
| dimensions =
| spectral_type = [[SMASS classification|SMASS]] = [[S-type asteroid|S]] <ref name="jpldata" /><br />Sq <ref name="Thomas-2014" />{{·}}[[S-type asteroid|S]] <ref name="lcdb" />
| mass =
| abs_magnitude = {{val|13.87|0.1}} {{small|(R)}}{{efn|name=LCDB-Pravec-2002/2003}}{{·}}14.0<ref name="WISE" />{{·}}{{val|14.04|0.1}} {{small|(R)}}{{efn|name=LCDB-Pravec-2002/2003}}{{·}}14.1<ref name="jpldata" />{{·}}{{val|14.515|0.11}}<ref name="Pravec-2012b" /><ref name="lcdb" />{{·}}{{val|14.65|0.11}}<ref name="Wisniewski-1997" />{{·}}{{val|14.65|0.3}}<ref name="Mainzer-2012" />
| density =
| surface_grav =
| escape_velocity =
| sidereal_day =
| axial_tilt =
| pole_ecliptic_lat =
| pole_ecliptic_lon =
| albedo =
| temperatures=
| temp_name1 =
| mean_temp_1 =
| max_temp_1 =
| temp_name2 =
| max_temp_2 =
| spectral_type =
| abs_magnitude =14.1
}}
}}
'''3122 Florence''' (1981 ET3) adalah sebuah [[asteroid]]. Asteroid ini merupakan bagian dari [[asteroid Amor]], yang terletak dekat dengan [[bumi]]. [[Eksentrisitas orbit]] asteroid ini tercatat sebesar 0.423, sementara [[magnitudo mutlak]]nya adalah 14.1.


'''3122 Florence''', atau dikenal juga sebagai 1981 ET<sub>3</sub>, merupakan sebuah [[asteroid]] yang masuk dalam grup [[Amor asteroid|Amor]]. Diklasifikasikan sebagai asteroid dekat [[bumi]] yang berpotensi membayakan, [[asteroid]] ini memiliki diameter sekitar 4,3 hingga 5 kilometer. [[Asteroid]] raksasa ini ditemukan pada 2 Maret 1981 oleh astronom Amerika Serikat [[Schelte Bus]] di Observatorium Siding Spring.<ref name="MPC-Florence" />
== Pembentukan ==

Seperti asteroid secara keseluruhan, asteroid ini terbentuk dari [[nebula]] [[matahari]] primordial sebagai pecahan [[planetisimal]], sesuatu di nebula matahari muda yang tidak cukup besar untuk berubah menjadi [[planet]].<ref>{{cite web | title=What Are Asteroids And Comets? | url=http://neo.jpl.nasa.gov/faq/#ast | work=Near Earth Object Program FAQ |publisher=[[NASA]] | accessdate=13 September 2010 | archiveurl= http://web.archive.org/web/20100909210213/http://neo.jpl.nasa.gov/faq/| archivedate= 9 September 2010 | deadurl= no}}</ref>
''Florence'' mengorbit [[Matahari]] pada jarak sekitar 1,0–2,5&nbsp;[[Satuan astronomi|AU]] sekali setiap 2 tahun 4 bulan (859 hari). [[Asteroid]] ini memiliki [[eksentrisitas orbit]] sekitar 0,42 dan [[inklinasi]] sekitar 22[[Degree (angle)|°]] terhadap bidang [[ekliptika]].<ref name="jpldata" />

Pada 1 September 2017, asteroid ini akan mencapai jarak {{convert|0,04723|AU|km mil|lk=on|abbr=on}} dari Bumi,<ref name="jpl-close" /> ia akan tampak dengan [[Magnitudo semu|magnitudo visual]] +8,5, sehingga dapat terlihat melalui [[teleskop]] kecil untuk beberapa malam ketika ia bergerak dari konstelasi [[Piscis Austrinus]], [[Kaprikornus]], [[Akuarius]] dan [[Delphinus]].<ref>{{cite news|title=Nasa says big asteroid to pass safely by Earth on 1 September|url=http://www.livemint.com/Science/0Far3fmQLS4Bq6kUXKrMjM/Nasa-says-big-asteroid-to-pass-safely-by-Earth-on-1-Septembe.html|agency=Livemint}}</ref>

Penamaan ilmiah untuk [[asteroid]] ini telah dipublikasikan pada 6 April 1993 ({{small|[[Minor Planet Circulars|M.P.C.]] 21955}}).<ref name="MPC-Circulars-Archive" />


== Referensi ==
== Referensi ==
{{notelist|refs=
{{Reflist}}

{{efn|name=LCDB-Pravec-2002/2003|1=Pravec (2002/2003) web: rotation period {{val|2.3581|0.0001}} hours with a brightness amplitude of {{val|0.15}} and 0.18 mag, respectively. Summary figures at {{URL|1=http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=3122%7CFlorence |2=Collaborative Asteroid Lightcurve Link (CALL) for (3122) Florence}} and {{URL|1=http://www.asu.cas.cz/~ppravec/neo.htm|2=Pravec, P.; Wolf, M.; Sarounova, L. (2002)}} }}

}} <!-- end of notelist -->

{{reflist|refs=

<ref name="jpldata">{{cite web
|type = 2016-05-28 last obs.
|title = JPL Small-Body Database Browser: 3122 Florence (1981 ET3)
|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2003122
|publisher = Jet Propulsion Laboratory
|accessdate = 7 Januari 2017}}</ref>

<ref name="springer">{{cite book
|title = Dictionary of Minor Planet Names – (3122) Florence
|last = Schmadel | first = Lutz D.
|publisher = Springer Berlin Heidelberg
|page = 258
|date = 2007
|url = http://link.springer.com/referenceworkentry/10.1007/978-3-540-29925-7_3123
|isbn = 978-3-540-00238-3
|accessdate = 7 Januari 2017}}</ref>

<ref name="MPC-Florence">{{cite web
|title = 3122 Florence (1981 ET3)
|work = Minor Planet Center
|url = http://www.minorplanetcenter.net/db_search/show_object?object_id=3122
|accessdate = 7 Januari 2017}}</ref>

<ref name="MPC-Circulars-Archive">{{cite web
|title = MPC/MPO/MPS Archive
|work = Minor Planet Center
|url = http://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html
|accessdate = 7 Januari 2017}}</ref>

<ref name="geneva-obs">{{cite web
|title = Asteroids and comets rotation curves – (3122) Florence
|last = Behrend |first = Raoul
|publisher = Geneva Observatory
|url = http://obswww.unige.ch/~behrend/page4cou.html#003122
|accessdate = 7 Januari 2017}}</ref>

<ref name=EARN>{{cite web
|title=( 3122) Florence
|publisher=The Near-Earth Asteroids Data Base at E.A.R.N
|url=http://earn.dlr.de/nea/003122.htm
|accessdate=2012-06-17
|archive-date=2017-08-19
|archive-url=https://web.archive.org/web/20170819015853/http://earn.dlr.de/nea/003122.htm
|dead-url=yes
}}</ref>

<ref name=jpl-close>{{cite web
|type=2012-04-29 last obs
|title=JPL Close-Approach Data: 3122 Florence (1981 ET3)
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3122;cad=1#cad
|accessdate=2012-06-17}}</ref>

<ref name="Mainzer-2011">{{Cite journal
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|first9 = P. |last9 = Eisenhardt
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|first12 = R. |last12 = Jedicke
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|doi = 10.1088/0004-637X/743/2/156
|arxiv = 1109.6400
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<ref name="lcdb">{{cite web
|title = LCDB Data for (3122) Florence
|publisher = Asteroid Lightcurve Database (LCDB)
|url = http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=3122%7CFlorence
|accessdate = 7 Januari 2017
|archive-date = 2017-01-08
|archive-url = https://web.archive.org/web/20170108002119/http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=3122
|dead-url = yes
}}</ref>

<ref name="Pravec-2012b">{{Cite journal
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|journal = Icarus
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<ref name="Mainzer-2012">{{Cite journal
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|date = November 2012
|title = Physical Parameters of Asteroids Estimated from the WISE 3-Band Data and NEOWISE Post-Cryogenic Survey
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<ref name="WISE">{{cite journal
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}} <!-- end of reflist -->


== Pranala luar ==
== Pranala luar ==
* [http://www.planetarysciences.org/plots/BDW/3122_FLORENCE_2016-01-14_2.PNG Lighcurve plot], Brian D. Warner, Center for Solar System Studies, Spring 2016
* [http://www.minorplanetcenter.net/iau/lists/t_amors.html Daftar asteroid Amor] - ''The International Astronomical Union Minor Planet Center.''
* [http://www.minorplanet.info/PHP/lcdbsummaryquery.php Asteroid Lightcurve Database (LCDB)], query form ([http://www.minorplanet.info/lightcurvedatabase.html info] {{Webarchive|url=https://web.archive.org/web/20171216050541/http://www.minorplanet.info/lightcurvedatabase.html |date=2017-12-16 }})
* [https://books.google.com/books?id=aeAg1X7afOoC&pg Dictionary of Minor Planet Names], Google books
* [http://obswww.unige.ch/~behrend/page_cou.html Asteroids and comets rotation curves, CdR] – Observatoire de Genève, Raoul Behrend
* [http://www.minorplanetcenter.net/iau/lists/NumberedMPs000001.html Discovery Circumstances: Numbered Minor Planets (1)-(5000)] – Minor Planet Center
*
* {{JPL small body}}

{{Minor planets navigator|3121 Tamines|number=3122|3123 Dunham}}
{{Small Solar System bodies}}


{{Asteroid Amor}}
{{Commonscat}}


{{DEFAULTSORT:003122}}
[[Kategori:Asteroid Amor]]
[[Kategori:Amor asteroids]]
[[Kategori:Numbered minor planets]]
[[Kategori:Discoveries by Schelte J. Bus|Florence]]
[[Kategori:Minor planets named for people|Florence]]
[[Kategori:Named minor planets|Florence]]
[[Kategori:Potentially hazardous asteroids]]
[[Kategori:S-type asteroids (SMASS)]]
[[Kategori:Astronomical objects discovered in 1981|19810302]]

Revisi terkini sejak 23 Agustus 2022 07.17

3122 Florence
Penemuan [1]
Ditemukan olehS. J. Bus
Situs penemuanSiding Spring Obs.
Tanggal penemuan2 March 1981
Penamaan
(3122) Florence
Asal nama
Florence Nightingale
(English pioneer)[2]
1981 ET3 · 1983 CN1
Amor · NEO · PHA [1][3]
Ciri-ciri orbit [1]
Epos 16 February 2017 (JD 2457800.5)
Parameter ketidakpastian 0
Rentang pengamatan37.22 yr (13,595 days)
Aphelion2.5164 AU
Perihelion1.0205 AU
1.7684 AU
Eksentrisitas0.4230
2.35 yr (859 days)
267.62°
0° 25m 8.76s / day
Inklinasi22.150°
336.10°
27.814°
MOID Bumi0.0453 AU
Ciri-ciri fisik
Dimensi2.5 km (EARN)[4]
4,010±1,237 km[5]
4,349 km[6]
4.35 km (taken)[7]
4,401±0,030 km[8]
4.9 km[1]
2,3580±0,0002 h[9]
2,3581 h[10][a]
2,3582±0,0003 h[11]
2,359±0,001 h[12]
2,359±0,003 h[13]
5±1 h[14]
0,146[6]
0,21±0,20[15]
0,231±0,049[8][16]
0,258±0,199[5]
SMASS = S [1]
Sq [17] · S [7]
13,87±0,1 (R)[a] · 14.0[8] · 14,04±0,1 (R)[a] · 14.1[1] · 14,515±0,11[6][7] · 14,65±0,11[14] · 14,65±0,3[5]

3122 Florence, atau dikenal juga sebagai 1981 ET3, merupakan sebuah asteroid yang masuk dalam grup Amor. Diklasifikasikan sebagai asteroid dekat bumi yang berpotensi membayakan, asteroid ini memiliki diameter sekitar 4,3 hingga 5 kilometer. Asteroid raksasa ini ditemukan pada 2 Maret 1981 oleh astronom Amerika Serikat Schelte Bus di Observatorium Siding Spring.[3]

Florence mengorbit Matahari pada jarak sekitar 1,0–2,5 AU sekali setiap 2 tahun 4 bulan (859 hari). Asteroid ini memiliki eksentrisitas orbit sekitar 0,42 dan inklinasi sekitar 22° terhadap bidang ekliptika.[1]

Pada 1 September 2017, asteroid ini akan mencapai jarak 0,04723 AU (7.066.000 km; 4.390.000 mi) dari Bumi,[18] ia akan tampak dengan magnitudo visual +8,5, sehingga dapat terlihat melalui teleskop kecil untuk beberapa malam ketika ia bergerak dari konstelasi Piscis Austrinus, Kaprikornus, Akuarius dan Delphinus.[19]

Penamaan ilmiah untuk asteroid ini telah dipublikasikan pada 6 April 1993 (M.P.C. 21955).[20]

Referensi[sunting | sunting sumber]

  1. ^ a b c Pravec (2002/2003) web: rotation period 2,3581±0,0001 hours with a brightness amplitude of 0,15 and 0.18 mag, respectively. Summary figures at Collaborative Asteroid Lightcurve Link (CALL) for (3122) Florence and Pravec, P.; Wolf, M.; Sarounova, L. (2002)
  1. ^ a b c d e f g "JPL Small-Body Database Browser: 3122 Florence (1981 ET3)" (2016-05-28 last obs.). Jet Propulsion Laboratory. Diakses tanggal 7 Januari 2017. 
  2. ^ Schmadel, Lutz D. (2007). Dictionary of Minor Planet Names – (3122) Florence. Springer Berlin Heidelberg. hlm. 258. ISBN 978-3-540-00238-3. Diakses tanggal 7 Januari 2017. 
  3. ^ a b "3122 Florence (1981 ET3)". Minor Planet Center. Diakses tanggal 7 Januari 2017. 
  4. ^ "( 3122) Florence". The Near-Earth Asteroids Data Base at E.A.R.N. Diarsipkan dari versi asli tanggal 2017-08-19. Diakses tanggal 2012-06-17. 
  5. ^ a b c Mainzer, A.; Grav, T.; Masiero, J.; Bauer, J.; Cutri, R. M.; McMillan, R. S.; et al. (November 2012). "Physical Parameters of Asteroids Estimated from the WISE 3-Band Data and NEOWISE Post-Cryogenic Survey". The Astrophysical Journal Letters. 760 (1): 6. Bibcode:2012ApJ...760L..12M. doi:10.1088/2041-8205/760/1/L12. Diakses tanggal 7 Januari 2017. 
  6. ^ a b c Pravec, Petr; Harris, Alan W.; Kusnirák, Peter; Galád, Adrián; Hornoch, Kamil (September 2012). "Absolute magnitudes of asteroids and a revision of asteroid albedo estimates from WISE thermal observations". Icarus. 221 (1): 365–387. Bibcode:2012Icar..221..365P. doi:10.1016/j.icarus.2012.07.026. Diakses tanggal 7 Januari 2017. 
  7. ^ a b c "LCDB Data for (3122) Florence". Asteroid Lightcurve Database (LCDB). Diarsipkan dari versi asli tanggal 2017-01-08. Diakses tanggal 7 Januari 2017. 
  8. ^ a b c Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results" (PDF). The Astrophysical Journal. 741 (2): 25. arXiv:1109.6407 alt=Dapat diakses gratis. Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90. Diakses tanggal 7 Januari 2017. 
  9. ^ Warner, Brian D. (July 2016). "Near-Earth Asteorid Lightcurve Analysis at CS3-Palmer Divide Station: 2016 January-April". The Minor Planet Bulletin. 43 (3): 240–250. Bibcode:2016MPBu...43..240W. ISSN 1052-8091. Diakses tanggal 7 Januari 2017. 
  10. ^ Pravec, Petr; Wolf, Marek; Sarounová, Lenka (November 1998). "Lightcurves of 26 Near-Earth Asteroids". Icarus. 136 (1): 124–153. Bibcode:1998Icar..136..124P. doi:10.1006/icar.1998.5993. Diakses tanggal 7 Januari 2017. 
  11. ^ Behrend, Raoul. "Asteroids and comets rotation curves – (3122) Florence". Geneva Observatory. Diakses tanggal 7 Januari 2017. 
  12. ^ Linder, Tyler R.; Sampson, Ryan; Holmes, Robert (Januari 2013). "Astronomical Research Institute Photometric Results". The Minor Planet Bulletin. 40 (1): 4–6. Bibcode:2013MPBu...40....4L. ISSN 1052-8091. Diakses tanggal 7 Januari 2017. 
  13. ^ Elenin, Leonid; Molotov, Igor (July 2012). "Asteroids Lightcurve Analysis at the Ison-NM Observatory: 3122 Florence, (25916) 2001 CP44, (47035) 1998 WS, (137170) 1999 HF1". The Minor Planet Bulletin. 39 (3): 101–102. Bibcode:2012MPBu...39..101E. ISSN 1052-8091. Diakses tanggal 7 Januari 2017. 
  14. ^ a b Wisniewski, W. Z.; Michalowski, T. M.; Harris, A. W.; McMillan, R. S. (March 1995). "Photoelectric Observations of 125 Asteroids". Abstracts of the Lunar and Planetary Science Conference. Bibcode:1995LPI....26.1511W. Diakses tanggal 7 Januari 2017. 
  15. ^ Thomas, C. A.; Trilling, D. E.; Emery, J. P.; Mueller, M.; Hora, J. L.; Benner, L. A. M.; et al. (September 2011). "ExploreNEOs. V. Average Albedo by Taxonomic Complex in the Near-Earth Asteroid Population". The Astronomical Journal. 142 (3): 12. Bibcode:2011AJ....142...85T. doi:10.1088/0004-6256/142/3/85. Diakses tanggal 7 Januari 2017. 
  16. ^ Mainzer, A.; Grav, T.; Bauer, J.; Masiero, J.; McMillan, R. S.; Cutri, R. M.; et al. (December 2011). "NEOWISE Observations of Near-Earth Objects: Preliminary Results". The Astrophysical Journal. 743 (2): 17. arXiv:1109.6400 alt=Dapat diakses gratis. Bibcode:2011ApJ...743..156M. doi:10.1088/0004-637X/743/2/156. Diakses tanggal 7 Januari 2017. 
  17. ^ Thomas, Cristina A.; Emery, Joshua P.; Trilling, David E.; Delbó, Marco; Hora, Joseph L.; Mueller, Michael (Januari 2014). "Physical characterization of Warm Spitzer-observed near-Earth objects". Icarus. 228: 217–246. Bibcode:2014Icar..228..217T. doi:10.1016/j.icarus.2013.10.004. Diakses tanggal 7 Januari 2017. 
  18. ^ "JPL Close-Approach Data: 3122 Florence (1981 ET3)" (2012-04-29 last obs). Diakses tanggal 2012-06-17. 
  19. ^ "Nasa says big asteroid to pass safely by Earth on 1 September". Livemint. 
  20. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Diakses tanggal 7 Januari 2017. 

Pranala luar[sunting | sunting sumber]


Navigasi planet minor
Didahului oleh:
3121 Tamines 		3122 Florence Diikuti oleh:
3123 Dunham

Templat:Small Solar System bodies

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