Asteroids with Satellites Database--Johnston's Archive
(854)
Frostia
compiled by Wm. Robert Johnston
last updated
21 September 2014
--Orbital and physical data--
(See this page for definitions of quantities; source codes in brackets, see this link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)
dynamical type, primary:
main belt asteroid
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
2.368511967 AU
| |
orbital period P: |
3.645201810 yr
(= 1331.4099610 d)
| |
eccentricity e: |
0.173568755
| |
perihelion distance q: |
1.95741230 AU
| |
aphelion distance Q: |
2.779611639 AU
| |
inclination i: |
6.0874619°
| |
argument of perihelion ω: |
84.361285°
| |
ascending node Ω: |
190.605936°
| |
mean anomaly M: |
272.234259°
| |
perihelion passage TP: |
2015 Apr 12.58939
| |
Epoch: |
2014 May 23
| |
data arc: |
1942-2014
(1429 obs.)
| |
Earth MOID: |
0.952366 AU
| |
Jupiter Tisserand invariant TJ: |
3.518
|
orbital data, secondary:
|
binary dynamical type: | B [P07f] | |
semimajor axis as: |
17
km
[*E]
| |
separation/primary radius as/rp: | 2.46 [B06a] | |
separation/Hill radius as/rH: | 0.019 [*D] | |
orbital period Ps: |
1.572
± 0.00004
d [B06a]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
1.63
[P07f]
|
|
other data, system (combined):
|
absolute mag. H: |
11.9
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
7.84
± 0.2
km [M11b]
| |
geometric albedo: |
0.415
± 0.026
[M11b]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
1.65x1014
kg [*D]
| |
density ρ: |
0.89
± 0.14
g/cm3[B06a]
| |
Hill radius rH: |
890 km [*D]
|
other data, primary:
|
diameter dp: |
6.35
± 0.16
km [*D]
| |
rotation period RPp: |
37.728
± 0.001
h [B06a]
| |
amplitude in mag., rotational ΔM: |
0.37
± 0.01
[B06a]
| |
amplitude in mag., mutual events ΔM: | 0.80 ±0.03 [B06a] | |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
4.6
km [*D]
| |
diameter ratio ds/dp: |
0.724
[B06a]
| |
component mag. difference ΔM: |
0.70
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(854) Frostia
--discovery and notes:
Primary discovered
1916 Apr 03
from
Simeïs, Crimea, Russia
by
S. Beljavskij.
Alternate designation(s):
1916 S29,
1931 MB, 1935 QE, 1950 VP.
Permanent number assigned -.
Named - for Edwin Brant Frost (1866-1935).
Companion discovered
2004 Jul 17
by R. Behrend, L. Bernasconi, A. Klotz, and R. Durkee
using
lightcurve
observations from Geneva Observatory; Les Engarouines, France; Observatoire de Haute-Provence, France; Shed of Science Observatory, Minneapolis, Minnesota, USA.
Announced
2004 Aug [B04e].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Birlan, M., Nedelcu, D. A., Descamps, P., Berthier, J., Marchis, F., Merouane, S., & Popescu, M. 2011, Monthly Notices of the Royal Astronomical Society Spectral properties of (854) Frostia, (1333) Cevenola and (3623) Chaplin
- Birlan, Mirel, Nedelcu, D., Descamps, P., Berthier, J., Marchis, F., & Merouane, S. 2008, Bulletin of the American Astronomical Society Spectral Investigation of Binary Asteroids
- Behrend, R., Bernasconi, L., Roy, R., Klotz, A., Colas, F., Antonini, P., Aoun, R., Augustesen, K., Barbotin, E., Berger, N., Berrouachdi, H., Brochard, E., Cazenave, A., Cavadore, C., Coloma, J., Cotrez, V., Deconihout, S., Demeautis, C., Dorseuil, J., Dubos, G., Durkee, R., Frappa, E., Hormuth, F., Itkonen, T., Jacques, C., Kurtze, L., Laffont, A., Lavayssière, M., Lecacheux, J., Leroy, A., Manzini, F., Masi, G., Matter, D., Michelsen, R., Nomen, J., Oksanen, A., Pääkkönen, P., Peyrot, A., Pimentel, E., Pray, D., Rinner, C., Sanchez, S., Sonnenberg, K., Sposetti, S., Starkey, D., Stoss, R., Teng, J.-P., Vignand, M., & Waelchli, N. 2006, Astronomy and Astrophysics Four new binary minor planets: (854) Frostia, (1089) Tama, (1313) Berna, (4492) Debussy
- Behrend, R., Bernasconi, L., Klotz, A., & Durkee, R. 2004, International Astronomical Union Circular (854) Frostia
©
2004-2006, 2014
by Wm. Robert Johnston.
Last modified
21 September 2014.
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