2 Pallas: Perbedaan antara revisi
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|name=2 Pallas |
|name=2 Pallas |
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|symbol=[[Berkas:Pallas symbol.svg| |
|symbol=[[Berkas:Pallas symbol (bold).svg|24px|⚴]] |
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|physical_characteristics = yes |
|physical_characteristics = yes |
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|image= |
|image= Potw1749a Pallas crop.png |
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|caption= |
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|caption= Citra ultraviolet dari Pallas yang diambil dari [[Teleskop Hubble]]. |
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|discovery=yes |
|discovery=yes |
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|discoverer=[[Heinrich Wilhelm Olbers]] |
|discoverer=[[Heinrich Wilhelm Olbers]] |
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|archive-date=2011-02-24 |
|archive-date=2011-02-24 |
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|archive-url=https://web.archive.org/web/20110224014158/http://www.springerlink.com/content/h747307j43863228/fulltext.pdf |
|archive-url=https://web.archive.org/web/20110224014158/http://www.springerlink.com/content/h747307j43863228/fulltext.pdf |
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|url-status=dead |
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|density=~2,8 g/[[centi-|cm]]³<ref name="Hubble"/> |
|density=~2,8 g/[[centi-|cm]]³<ref name="Hubble"/> |
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* {{cite journal | author=Tedesco, Edward F.; Noah, Paul V.; Noah, Meg; Price, Stephan D. | title=The Supplemental IRAS Minor Planet Survey | journal=The Astronomical Journal | year=2002 | volume=123 | issue=2 | pages=1056-1085 | url=http://adsabs.harvard.edu/abs/2002AJ....123.1056T |
* {{cite journal | author=Tedesco, Edward F.; Noah, Paul V.; Noah, Meg; Price, Stephan D. | title=The Supplemental IRAS Minor Planet Survey | journal=The Astronomical Journal | year=2002 | volume=123 | issue=2 | pages=1056-1085 | url=http://adsabs.harvard.edu/abs/2002AJ....123.1056T |
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| accessdate = 2007-03-15 }} |
| accessdate = 2007-03-15 }} |
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* {{cite web | last = Hilton | first = James L. | authorlink = James L. Hilton | date = 1 April 1999 | url = http://aa.usno.navy.mil/publications/reports/asteroid_ephemerides.html | title = U.S. Naval Observatory Ephemerides of the Largest Asteroids | publisher = U.S. Naval Observatory | accessdate = 2007-03-14}} |
* {{cite web | last = Hilton | first = James L. | authorlink = James L. Hilton | date = 1 April 1999 | url = http://aa.usno.navy.mil/publications/reports/asteroid_ephemerides.html | title = U.S. Naval Observatory Ephemerides of the Largest Asteroids | publisher = U.S. Naval Observatory | accessdate = 2007-03-14 | archive-date = 2011-07-23 | archive-url = https://web.archive.org/web/20110723160546/http://aa.usno.navy.mil/publications/reports/asteroid_ephemerides.html | dead-url = yes }} |
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* {{cite web | last=Dunn | first=Tony | year=2006 | url=http://orbitsimulator.com/gravity/articles/ceres.html | title=Ceres, Pallas Vesta and Hygeia | publisher=GravitySimulator.com | accessdate=2007-03-15}} |
* {{cite web | last=Dunn | first=Tony | year=2006 | url=http://orbitsimulator.com/gravity/articles/ceres.html | title=Ceres, Pallas Vesta and Hygeia | publisher=GravitySimulator.com | accessdate=2007-03-15}} |
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* {{cite web | last = Yeomans | first = Donald K. | url = http://ssd.jpl.nasa.gov/?horizons | title = Horizons system | publisher = [[NASA]] [[JPL]] | accessdate = 2007-03-20 }} — Horizons can be used to obtain a current ephemeris. |
* {{cite web | last = Yeomans | first = Donald K. | url = http://ssd.jpl.nasa.gov/?horizons | title = Horizons system | publisher = [[NASA]] [[JPL]] | accessdate = 2007-03-20 }} — Horizons can be used to obtain a current ephemeris. |
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{{Asteroid sabuk utama}} |
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[[Kategori:Asteroid sabuk utama]] |
[[Kategori:Asteroid sabuk utama]] |
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[[Kategori:Asteroid yang dinamai dari mitologi Yunani]] |
[[Kategori:Asteroid yang dinamai dari mitologi Yunani]] |
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[[Kategori:Asteroid tipe B]] |
[[Kategori:Asteroid tipe B]] |
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[[Kategori:Asteroid keluarga Pallas]] |
[[Kategori:Asteroid keluarga Pallas]] |
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Revisi terkini sejak 22 Mei 2024 07.31
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Penemuan | |
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Ditemukan oleh | Heinrich Wilhelm Olbers |
Tanggal penemuan | 28 Maret 1802 |
Penamaan | |
Pelafalan | [ˈpæləs][note 1] |
Asal nama | Pallas Athena |
Keluarga Pallas | |
Kata sifat bahasa Inggris | Palladian[1] |
Ciri-ciri orbit[1][3] | |
Epos 22 Agustus 2008 (Hari Julian 2454700,5) | |
Aphelion | 3,412 SA (510,468 Gm) |
Perihelion | 2,132 SA (319,005 Gm) |
2,772 SA (414,737 Gm) | |
Eksentrisitas | 0,231 |
4,62 a (1686,044 hr) | |
Kecepatan orbit rata-rata | 17,65 km/dtk |
306,605° | |
Inklinasi | 34,838° ke Ekliptika 34,21° ke Bidang invariabel[2] |
173,134° | |
310,274° | |
Elemen orbit tetap[4] | |
Sumbu semimayor tetap | 2,7709176 AU |
Eksentrisitas tetap | 0,2812580 |
Inklinasi tetap | 33,1988686° |
Pergerakan rata-rata tetap | 78.041654 ° / tahun |
Periode orbit tetap | 4.61292 tahun (1684.869 hari) |
Presesi perihelion | -1,335344 arcsec / tahun |
Presesi node menaik | −46,393342 arcsec / tahun |
Ciri-ciri fisik | |
Dimensi | 582×556×500±18 km[5] 544 km (rata-rata)[3] |
Massa | (2,11±0,26)×1020 kg[6] |
Massa jenis rata-rata | ~2,8 g/cm³[5] |
~0,18 m/s² | |
~0,32 km/s | |
0,325 55 hari (7,8132 jam)[7] | |
sekitar 78 ± 13°[8] | |
Albedo | 0,159 (geometrik)[9] |
Suhu | ~164 K maks: ~265 K (-8 °C) |
Pola spektrum | Asteroid tipe B[10] |
6,4[11] hingga 10,6 | |
4,13[9] | |
0,59"[12] hingga 0,17" |
2 Pallas (pengucapan bahasa Inggris: [ˈpæləs], bahasa Yunani: Παλλάς) merupakan asteroid besar yang terletak di sabuk asteroid sistem tata surya dan merupakan asteroid ke-2 yang ditemukan. Ditemukan dan dinamai oleh astronom Heinrich Wilhelm Matthaus Olbers pada tanggal 28 Maret 1802. 2 Pallas merupakan salah satu dari 4 asteroid besar (1 Ceres, 4 Vesta, 10 Hygiea, dan 2 Pallas). Asteroid besar tersebut tak termasuk 704 Interamnia. Pallas berdiameter 530 km,[3] sedikit lebih besar dari 4 Vesta.
Referensi
[sunting | sunting sumber]- ^ OED
- ^ "The MeanPlane (Invariable plane) of the Solar System passing through the barycenter". 2009-04-03. Diarsipkan dari versi asli tanggal 2009-05-14. Diakses tanggal 2009-04-10. (produced with Solex 10 Diarsipkan 2008-12-20 di Wayback Machine. written by Aldo Vitagliano; see also Invariable plane). Retrieved 2009-04-25.
- ^ a b c "JPL Small-Body Database Browser: 2 Pallas". Diakses tanggal 2009-09-12.
- ^ "AstDyS-2 Pallas Synthetic Proper Orbital Elements". Department of Mathematics, University of Pisa, Italy. Diakses tanggal 2011-10-01.
- ^ a b Schmidt, B. E.; et al. (2008). "Hubble takes a look at Pallas: Shape, size, and surface" (PDF). 39th Lunar and Planetary Science Conference (Lunar and Planetary Science XXXIX). Held March 10–14, 2008, in League City, Texas. 1391: 2502. Diakses tanggal 2008-08-24.
- ^ Baer, James (2008). "Astrometric masses of 21 asteroids, and an integrated asteroid ephemeris" (PDF). Celestial Mechanics and Dynamical Astronomy. Springer Science+Business Media B.V. 2007. 100 (2008): 27–42. Bibcode:2008CeMDA.100...27B. doi:10.1007/s10569-007-9103-8. Diarsipkan dari versi asli (PDF) tanggal 2011-02-24. Diakses tanggal 2008-11-11.
- ^ Harris, A. W. (2006). "Asteroid Lightcurve Derived Data. EAR-A-5-DDR-Derived-Lightcurve-V8.0". NASA Planetary Data System. Diarsipkan dari versi asli tanggal 2007-01-28. Diakses tanggal 2007-03-15.
- ^ Torppa, J.; et al. (2003). "Shapes and rotational properties of thirty asteroids from photometric data". Icarus. 164 (2): 346–383. Bibcode:2003Icar..164..346T. doi:10.1016/S0019-1035(03)00146-5.
- ^ a b Tedesco, E. F. (2004). "IRAS Minor Planet Survey. IRAS-A-FPA-3-RDR-IMPS-V6.0". NASA Planetary Data System. Diarsipkan dari versi asli tanggal 2007-03-11. Diakses tanggal 2007-03-15.
- ^ Neese, C. (2005). "Asteroid Taxonomy. EAR-A-5-DDR-Taxonomy-V5.0". NASA Planetary Data System. Diarsipkan dari versi asli tanggal 2007-03-10. Diakses tanggal 2007-03-15.
- ^ Menzel, Donald H.; Pasachoff, Jay M. (1983). A Field Guide to the Stars and Planets (edisi ke-2nd). Boston, MA: Houghton Mifflin. hlm. 391. ISBN 0-395-34835-8.
- ^ Calculated with JPL Horizons for 2014-Feb-24
Catatan kaki
[sunting | sunting sumber]- ^ In US dictionary transcription, US dict: păl′·əs. Or as bahasa Yunani: Παλλάς.
Pranala luar
[sunting | sunting sumber]- "2 Pallas". JPL Small-Body Database Browser. Diakses tanggal 2007-03-29.
- Tedesco, Edward F.; Noah, Paul V.; Noah, Meg; Price, Stephan D. (2002). "The Supplemental IRAS Minor Planet Survey". The Astronomical Journal. 123 (2): 1056–1085. Diakses tanggal 2007-03-15.
- Hilton, James L. (1 April 1999). "U.S. Naval Observatory Ephemerides of the Largest Asteroids". U.S. Naval Observatory. Diarsipkan dari versi asli tanggal 2011-07-23. Diakses tanggal 2007-03-14.
- Dunn, Tony (2006). "Ceres, Pallas Vesta and Hygeia". GravitySimulator.com. Diakses tanggal 2007-03-15.
- Yeomans, Donald K. "Horizons system". NASA JPL. Diakses tanggal 2007-03-20. — Horizons can be used to obtain a current ephemeris.
Navigasi planet minor
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Didahului oleh: 1 Ceres |
2 Pallas | Diikuti oleh: 3 Juno |
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