10 Hygiea

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10 Hygiea  10 Hygiea Astronomical Symbol.svg
AnimatedOrbitOf10Hygiea.gif
Animasi orbit Hygiea sacara rélatif marang orbit planèt-planèt tèrèstrial lan Yupiter.
Panemon
Panemu Annibale de Gasparis
Tanggal ditemokaké 12 April 1849
Penamaan
Kategori
planet minor
Sabuk utama (Keluwarga 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 paling gedhé kapapat jroning babagan volume lan massa. Hygiea arupa asteroid tipe C peteng sing paling gedhé kanthi lumahané sing sugih karbon.

Réferènsi[sunting | sunting sumber]

  1. ^ a b c d e "JPL Small-Body Database Browser: 10 Hygiea". http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=10. Retrieved 2008-09-07.
  2. ^ a b c Jim Baer (2010). "Recent Asteroid Mass Determinations". Personal Website. http://home.earthlink.net/~jimbaer1/astmass.txt. Retrieved 2011-09-02.
  3. ^ 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.
  4. ^ "AstDys (10) Hygiea Ephemerides". Department of Mathematics, University of Pisa, Italy. http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.3.1&n=10&oc=500&y0=2095&m0=6&d0=27&h0=00&mi0=00&y1=2095&m1=6&d1=28&h1=00&mi1=00&ti=1.0&tiu=days. Retrieved 2010-06-26.
  5. ^ "Mass of 10 Hygiea" 0.445 / "Mass of Mbelt" 15 = 0.0296

Pranala njaba[sunting | sunting sumber]

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