Back (29) Amphitrite ALS 29 أمفيتريت Arabic 29 أمفيتريت (كويكب) ARZ 29 Amphitrite AST (29) Амфітрыта Byelorussian (29) Amfitrite Catalan (29) Амфитрита CE Amphitrite (planetka) Czech (29) Amphitrite German 29 Αμφιτρίτη Greek

29 Amphitrite

29 Amphitrite
VLT image of Amphitrite
Discovery[1]
Discovered byA. Marth
Discovery siteLondon
Discovery date1 March 1854
Designations
(29) Amphitrite
Pronunciation/æmfɪˈtraɪtiː/[2]
Named after
Amphitrite[3]
(Greek mythology)
A899 NG
main-belt[1][4] · (middle)
background[5][6]
AdjectivesAmphitritean /ˌæmfɪtrɪˈtiːən/, /ˌæmfɪˈtraɪtiən/
Symbol (historical)
Orbital characteristics[4]
Epoch 17.0 October 2024 (JD 2460600.5)
Uncertainty parameter 0
Observation arc169.16 yr (61,784 d)
Aphelion2.7425 AU
Perihelion2.3664 AU
2.5544 AU
Eccentricity0.0736
4.08 yr (1491 d)
48.40°
0° 14m 29.04s / day
Inclination6.0772°
356.26°
62.01°
Earth MOID1.38454 AU
Jupiter MOID2.48544 AU
TJupiter3.427
Physical characteristics
Dimensions233 km × 212 km × 193 km[7]
222 km × 209 km × 183 km (± 6 km × 6 km × 5 km)
204±2 km[8]
189.6±1.1 km[9]
196±22 km[10]
206.86 km[11]
212.22±6.8 km[12]
227.1±4.0 km[13]
Flattening0.18[a]
Mass(12.7±2.0)×1018 kg[8]
(11.8 ± ?)×1018 kg[7]
Mean density
2.86±0.45 g/cm3[8]
2.36±0.26 g/cm3[7]
5.3921 h[14][6][4]
5.390119 ± 0.000001 h[8]
116°[8]
−29°±2°[8]
323°±2°[8]
0.194[8]
0.157±0.035[13]
0.1793±0.012[12]
0.195[11]
0.216±0.043[9][4]
S[6][4]
5.85[1]
5.98[4]
6.0[5]

29 Amphitrite is one of the largest S-type asteroids, approximately 200 kilometers (120 miles) in diameter, and probably fifth largest after Eunomia, Juno, Iris and Herculina.

  1. ^ a b c Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  2. ^ Noah Webster (1884) A Practical Dictionary of the English Language
  3. ^ Cite error: The named reference springer was invoked but never defined (see the help page).
  4. ^ a b c d e f Cite error: The named reference jpldata was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference AstDys-object was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference Ferret was invoked but never defined (see the help page).
  7. ^ a b c Cite error: The named reference Baer was invoked but never defined (see the help page).
  8. ^ a b c d e f g h i P. Vernazza et al. (2021) VLT/SPHERE imaging survey of the largest main-belt asteroids: Final results and synthesis. Astronomy & Astrophysics 54, A56
  9. ^ a b Cite error: The named reference Masiero-2014 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Hanus-2013b was invoked but never defined (see the help page).
  11. ^ a b Cite error: The named reference AKARI was invoked but never defined (see the help page).
  12. ^ a b Cite error: The named reference SIMPS was invoked but never defined (see the help page).
  13. ^ a b Cite error: The named reference WISE was invoked but never defined (see the help page).
  14. ^ Cite error: The named reference lcdb was invoked but never defined (see the help page).


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