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854 Frostia is a main-belt asteroid orbiting the sun. It was discovered in 1916 by Sergei Ivanovich Belyavsky from Simeiz Observatory in Crimea and is named after Edwin Brant Frost, an American astronomer. This asteroid measures approximately 8.4[2] km in diameter.

854 Frostia
Discovery
Discovered byS. Beljavskij
Discovery date3 April 1916
Designations
MPC designation(854) Frostia
SIGMA 29; 1931 MB; 1935 QE; 1950 VP
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc73.52 yr (26853 d)
Aphelion2.7805 AU (415.96 Gm)
Perihelion1.9566 AU (292.70 Gm)
2.3685 AU (354.32 Gm)
Eccentricity0.17393
3.65 yr (1331.4 d)
128.5557°
0° 16m 13.393s / day
Inclination6.0883°
190.6003°
84.3355°
Physical characteristics
Dimensions8.39 ± 1.27 km[2]
Mass(1.06 ± 0.95) × 1015 kg[2]
Mean density
0.88 ± 0.13 g/cm3[2]
37.56 h (1.565 d)
0.33-0.6
12.0
S/2004 (854) 1
Discovery
Discovered byR. Behrend
L. Bernasconi
A. Klotz
R. Durkee
Discovery date17 July 2004
lightcurve
Orbital characteristics
17 km
1.572 ± 0.00004 d
1 day, 13 hours, 43 minutes, 41 ± 3 seconds
25 mas (maximum)
Satellite of854 Frostia
Physical characteristics
Dimensions4.6 km
Volume51 km3 (assumed)
0.7 fainter than primary
~14.8

A satellite, designated S/2004 (854) 1, was identified based on light curve observations in July 2004 by Raoul Behrend, Laurent Bernasconi, Alain Klotz, and Russell I. Durkee. It is roughly 10 km in diameter and orbits about 25 km from Frostia with an orbital period of 1.572 days.[3]

ReferencesEdit

  1. ^ "854 Frostia (1916 S29)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 4 May 2016.
  2. ^ a b c d Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
  3. ^ Johnston, Robert. "(854) Frostia". johnstonsarchive.net. Retrieved 28 May 2015.

External linksEdit