90482 Orcus: Perbedaan antara revisi

90482 Orcus
Penemuan
Ditemukan oleh	M. Brown,; C. Trujillo,; D. Rabinowitz
Tanggal penemuan	17 Februari 2004
Penamaan
Penamaan	90482 Orcus
Pelafalan	[ˈɔrkəs] OR-kəs,; bahasa Latin: Orcus
Nama alternatif	2004 DW
Kategori planet minor	Plutino; kandidat Plutoid
Ciri-ciri orbit
	Epos 30 November 2008 (hari Julian 2 454 800)
Aphelion	7 188,17 Gm (48,05 SA)
Perihelion	4 535,80 Gm (30,32 SA)
Sumbu semimayor	5 862,44 Gm (39,188 SA)
Eksentrisitas	0,226 18
Periode orbit	89 606 h (245,33 thn)
Kecepatan orbit rata-rata	4,68 km/det
Anomali rata-rata	164,68°
Inklinasi	20,593°
Bujur node menaik	268,722°
Argumen perihelion	72,474°
satelit yang diketahui	1 (92-432 km)
Ciri-ciri fisik
Dimensi	946,3 +74.1−72.3 km (diameter)
Massa	~7×1020 kg
Massa jenis rata-rata	~1,6 g/cm³ (sebanding dengan Charon)
Gravitasi permukaan	~0,2 m/det²
Kecepatan lepas	~0,44 km/det
Periode rotasi	10,08 ± 0,01 jam
Albedo	19,75 +3,40−2,76 %
Suhu	~44 K
Pola spektrum	B-V=0,68; V-R=0,37(warna netral)
Magnitudo semu	19,1 (oposisi)
Magnitudo mutlak (H)	2,3

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Sebaris

Revisi per 21 Oktober 2009 05.49

90482 Orcus adalah suatu objek Sabuk Kuiper dan kemungkinan adalah planet kerdil yang ditemukan oleh Michael Brown dari Caltech, Chad Trujillo dari Observatorium Gemini, dan David Rabinowitz dari Universitas Yale. Gambar penemuan benda ini diperoleh pada tabggal 17 Februari 2004. Gambar prapenemuan yang telah diperoleh sebelumnya pada 8 November 1951, kemudian dapat diidentifikasikan.

Referensi

^ ^a ^b ^c "JPL Small-Body Database Browser: 90482 Orcus (2004 DW)". 2008-02-10 last obs. Diakses tanggal 2008-07-02.
^ Buie, Marc W. (2007-12-22). "Orbit Fit and Astrometric record for 90482". SwRI (Space Science Department). Diakses tanggal 2008-09-19.
^ "MPEC 2009-E53 : DISTANT MINOR PLANETS (2009 MAR. 30.0 TT)". Minor Planet Center. 2009-03-11. Diakses tanggal 2009-03-25.
^ ^a ^b Stansberry, J. (2007). "Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope".
^ ^a ^b ^c ^d Barucci, M. A. (2008). "Surface composition and temperature of the TNO Orcus". Astronomy and Astrophysics. 479 (1): L13–L16. doi:10.1051/0004-6361:20079079. Diakses tanggal 2009-03-29.
^ Tegler, Stephen C. (2006-01-26). "Kuiper Belt Object Magnitudes and Surface Colors". Diakses tanggal 2006-11-05.
^ "AstDys (90482) Orcus Ephemerides". Department of Mathematics, University of Pisa, Italy. Diakses tanggal 2009-03-19.
^ "HORIZONS Web-Interface". JPL Solar System Dynamics. Diakses tanggal 2008-07-02. Hapus pranala luar di parameter |publisher= (bantuan)

[jpldata-1] "JPL Small-Body Database Browser: 90482 Orcus (2004 DW)". 2008-02-10 last obs. Diakses tanggal 2008-07-02.

[Buie-2] Buie, Marc W. (2007-12-22). "Orbit Fit and Astrometric record for 90482". SwRI (Space Science Department). Diakses tanggal 2008-09-19.

[MPEC_2009-E53-3] "MPEC 2009-E53 : DISTANT MINOR PLANETS (2009 MAR. 30.0 TT)". Minor Planet Center. 2009-03-11. Diakses tanggal 2009-03-25.

[Stansberry_2007-4] Stansberry, J. (2007). "Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope".

[Barucci2008-5] Barucci, M. A. (2008). "Surface composition and temperature of the TNO Orcus". Astronomy and Astrophysics. 479 (1): L13–L16. doi:10.1051/0004-6361:20079079. Diakses tanggal 2009-03-29.

[6] Tegler, Stephen C. (2006-01-26). "Kuiper Belt Object Magnitudes and Surface Colors". Diakses tanggal 2006-11-05.

[AstDys-7] "AstDys (90482) Orcus Ephemerides". Department of Mathematics, University of Pisa, Italy. Diakses tanggal 2009-03-19.

[Horizons-8] "HORIZONS Web-Interface". JPL Solar System Dynamics. Diakses tanggal 2008-07-02. Hapus pranala luar di parameter |publisher= (bantuan)

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[8]

@@ Baris 2: / Baris 2: @@
  name=90482 Orcus
  | image=[[Image:Orcus nasa.jpg|250px]]
+ | discovery_ref = <ref name=jpldata>{{cite web |date=2008-02-10 last obs |title=JPL Small-Body Database Browser: 90482 Orcus (2004 DW) |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=Orcus |accessdate=2008-07-02}}</ref>
- | discovery_ref = <ref name=jpldata/>
  | discoverer=[[Michael E. Brown|M. Brown]],<br>[[Chad Trujillo|C. Trujillo]],<br>[[David L. Rabinowitz|D. Rabinowitz]]
  | discovered=[[17 Februari]] [[2004]]
@@ Baris 8: / Baris 8: @@
  | pronounce = {{IPA-en|ˈɔrkəs|}} {{respell|OR|kəs}},<br>{{lang-la|Orcus}}
  | alt_names=2004 DW
+ | mp_category=[[Plutino]]<ref name=Buie>{{cite web |author=[[Marc W. Buie|Buie, Marc W.]] |date=2007-12-22 |title=Orbit Fit and Astrometric record for 90482 |publisher=SwRI (Space Science Department) |url=http://www.boulder.swri.edu/~buie/kbo/astrom/90482.html
- | mp_category=[[Plutino]]<ref name=Buie/><ref name="MPEC 2009-E53">{{cite web
-   |title=MPEC 2009-E53 : DISTANT MINOR PLANETS (2009 MAR. 30.0 TT)
+  |accessdate=2008-09-19}}</ref><ref name="MPEC 2009-E53">{{cite web |title=MPEC 2009-E53 : DISTANT MINOR PLANETS (2009 MAR. 30.0 TT) |date=2009-03-11 |publisher=Minor Planet Center |url=http://www.cfa.harvard.edu/mpec/K09/K09E53.html |accessdate=2009-03-25}}</ref><br>[[Daftar kandidat planet kerdil|kandidat Plutoid]]
-   |date=2009-03-11
-   |publisher=Minor Planet Center
-   |url=http://www.cfa.harvard.edu/mpec/K09/K09E53.html
-   |accessdate=2009-03-25}}</ref><br>[[Daftar kandidat planet kerdil|kandidat Plutoid]]
  | orbit_ref=<ref name=jpldata/>
  | epoch=[[30 November]] [[2008]] ([[hari Julian]] 2&nbsp;454&nbsp;800)
@@ Baris 27: / Baris 23: @@
  | avg_speed=4,68 km/[[detik|det]]
  | satellites=1 (92-432 km)
- | dimensions=946,3 {{±|74.1|72.3}} km (diameter)<ref name="Stansberry 2007"/>
+ | dimensions=946,3 {{±|74.1|72.3}} km (diameter)<ref name="Stansberry 2007">{{cite journal|last=Stansberry|first=J.| coauthors=Grundy, W.; Brown, M.; et al.|title=Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope|url=http://arxiv.org/abs/astro-ph/0702538v1|year=2007}}</ref>
  | mass=~7×10<sup>20</sup> [[kilogram|kg]]
- | density=~1,6 g/[[sentimeter kubik|cm³]] (sebanding dengan [[Charon (bulan)|Charon]])<ref name=Barucci2008/>
+ | density=~1,6 g/[[sentimeter kubik|cm³]] (sebanding dengan [[Charon (bulan)|Charon]])<ref name=Barucci2008>{{cite journal
+  |last=Barucci |first=M. A. |coauthors=Merlin; Guilbert; Bergh; Doressoundiram; et al. |title=Surface composition and temperature of the TNO Orcus |journal=Astronomy and Astrophysics |volume=479 |issue=1 |pages=L13-L16 |year=2008 |doi=10.1051/0004-6361:20079079
+  |url=http://adsabs.harvard.edu/abs/2008A%26A...479L..13B |accessdate=2009-03-29 }}</ref>
  | surface_grav=~0,2 m/det²
  | escape_velocity=~0,44 km/det
  | rotation=10,08 ± 0,01 jam<ref name=Barucci2008/>
  | spectral_type=B-V=0,68; V-R=0,37<ref>{{cite web|url=http://www.physics.nau.edu/~tegler/research/survey.htm |title=Kuiper Belt Object Magnitudes and Surface Colors |accessdate=2006-11-05 |last=Tegler |first=Stephen C. |coauthors= |date=2006-01-26}}</ref>(warna netral)<ref name=Barucci2008/>
- | magnitude = 19,1 ([[Oposisi (planet)|oposisi]])<ref name=AstDys/><ref name=Horizons/>
+ | magnitude = 19,1 ([[Oposisi (planet)|oposisi]])<ref name=AstDys>{{cite web |title=AstDys (90482) Orcus Ephemerides    |publisher=Department of Mathematics, University of Pisa, Italy |url=http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.3.0&n=Orcus
+   |accessdate=2009-03-19}}</ref><ref name=Horizons>{{cite web |title=HORIZONS Web-Interface |publisher=[http://ssd.jpl.nasa.gov JPL Solar System Dynamics] |url=http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=Orcus |accessdate=2008-07-02}}</ref>
  | abs_magnitude=2,3<ref name=jpldata/>
  | albedo=19,75 {{±|3,40|2,76}} %<ref name="Stansberry 2007"/>