10 Hygiea
  Animasi orbit Hygiea kanthi rélatif marang orbit planit-planit tèrèstrial lan Yupiter. |
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Panemon
| |
|---|---|
| Panemu | Annibale de Gasparis |
| Tanggal ditemokaké | 12 April 1849 |
Penamaan
| |
| Kategori planet minor |
Sabuk utama (kulawarga Hygiea) |
| Adjektif | Hygiean |
| Epos 30 November 2008 (Dina Julian 2454800,5) | |
| Aphelion | 3,507 SA (524,63 Gm) (Q) |
| Perihelion | 2,770 SA (414,38 Gm) (q) |
| Sumbu semi-mayor | 3,139 SA (469,58 Gm) |
| Eksentrisitas | 0,117 |
| Periode orbit | 5,56 a (2031,01 dina) |
| Kecepatan orbit rata-rata | 16,76 km/dtk |
| Anomali rata-rata | 197,96° (M) |
| Inklinasi | 3,842° |
| Bujur node menaik | 283,45° |
| Argumen perihelion | 313,19° |
Ciri-ciri fisik
| |
| Dimensi | 530×407×370 ±7 km[2] 431 km (rata-rata) |
| Luas permukaan | 837 080,744 km² |
| Massa | (8,67 ±0,15)×1019 kg[2] |
| Kepadatan rata-rata | 2,08 ± 0,10 g/cm³[2] |
| Gravitasi permukaan di khatulistiwa | 0,091 m/s² |
| Kecepatan lepas | 0.21 km/s |
| Periode rotasi | 27,623 jam (1,15 dina)[1] |
| Albedo | 0,0717 (géomètrik)[1] |
| Suhu | ~164 K maks: 247 K (−26° C) [3] |
| Kelas spektrum | Asteroid tipe C[1] |
| Magnitudo tampak | 9,0[4] tekan 11,97 |
| Magnitudo mutlak (H) | 5,43[1] |
| Ukuran sudut | 0,318" tekan 0,133" |
10 Hygiea iku sawijining asteroid sing ana ing sabuk asteroid utama. Kanthi dhiamèter sing sithik mbujur sadawané 350–500 km, lan duwé massa kira-kira 2,9% saka total massa sabuk utama,[5] Hygiea iku asteroid gedhé dhéwé kapapat sajeroning babagan volume lan massa. Hygiea wujud asteroid tipe C peteng sing gedhé dhéwé kanthi lumahané sing sugih karbon.
Réferènsi
[besut | besut sumber]- ↑ a b c d e "JPL Small-Body Database Browser: 10 Hygiea". Dibukak ing 2008-09-07.
- ↑ a b c Jim Baer (2010). "Recent Asteroid Mass Determinations". Personal Website. Diarsip saka sing asli ing 2013-10-21. Dibukak ing 2011-09-02.
- ↑ L.F. Lim; McConnochie, T; Belliii, J; Hayward, T (2005). "Thermal infrared (8–13 µm) spectra of 29 asteroids: the Cornell Mid-Infrared Asteroid Spectroscopy (MIDAS) Survey". Icarus. 173 (2): 385. Bibcode:2005Icar..173..385L. doi:10.1016/j.icarus.2004.08.005.
- ↑ "AstDys (10) Hygiea Ephemerides". Department of Mathematics, University of Pisa, Italy. Dibukak ing 2010-06-26.
- ↑ "Mass of 10 Hygiea" 0.445 / "Mass of Mbelt" Archived 2012-09-07 at the Wayback Machine. 15 = 0.0296
Pranala njaba
[besut | besut sumber]- Shape model deduced from lightcurve Archived 2008-02-16 at the Wayback Machine.
- A simulation of the orbit of Hygiea
- Asteroid Database—Detailed View—10 Hygiea[pranala mati permanèn]
- Yeomans, Donald K. "Horizons system". NASA JPL. Dibukak ing 2007-03-20. — Horizons can be used to obtain a current ephemeris.
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Wikimedia Commons duwé médhia ngenani 10 Hygiea. |