Asteroids with Satellites Database--Johnston's Archive
(10123)
Fideoja
compiled by Wm. Robert Johnston
last updated
29 May 2019
--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: |
2.269309849 AU
| |
orbital period P: |
3.418540245 yr
(= 1248.645407 d)
| |
eccentricity e: |
0.206295996
| |
perihelion distance q: |
1.80116031 AU
| |
aphelion distance Q: |
2.737459385 AU
| |
inclination i: |
4.0532117°
| |
argument of perihelion ω: |
267.427356°
| |
ascending node Ω: |
76.8907°
| |
mean anomaly M: |
342.515941°
| |
perihelion passage TP: |
2015 Feb 07.642751
| |
Epoch: |
2014 Dec 09
| |
data arc: |
1977-2014
(978 obs.)
| |
Earth MOID: |
0.799631 AU
| |
Jupiter Tisserand invariant TJ: |
3.582
|
orbital data, secondary:
|
semimajor axis as: |
13
km
[*E]
| |
separation/primary radius as/rp: | 8.0 [*E] | |
separation/Hill radius as/rH: | 0.028 [*E] | |
orbital period Ps: |
2.354
± 0.0008
d [W17a]
| |
eccentricity es: |
0
[P15f]
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
14.2
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
3.48
± 0.52
km [M11b]
| |
geometric albedo: |
0.441
± 0.094
[M11b]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
470 km [*E]
|
other data, primary:
|
diameter dp: |
3.27
± 0.49
km []
| |
rotation period RPp: |
2.866
± 0
h [W17a]
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
1.18
± 0.19
km [*D]
| |
diameter ratio ds/dp: |
0.36
± 0.02
[W17a]
| |
component mag. difference ΔM: |
2.22
± 0.12
[*D]
| |
rotation period RPs: |
38.8
h [P15f]
| |
|
|
--
(10123) Fideoja
--discovery and notes:
Primary discovered
1993 Mar 17
from
European Southern Observatory, La Silla, Chile
by
Uppsala-ESO Survey.
Alternate designation(s):
1993 FJ16,
1977 TJ5, 1987 OS1, 1990 KX3, 1992 AS4.
Linked to prediscovery observations from 1977 Oct 08.
Permanent number assigned 1999 Mar 02.
Named 2005 Jan 25 for the Swedish counties of Fide and Oja [MPC053469].
Companion discovered
2013 Feb 12
by Pravec, P., P. Scheirich, P. Kusnirak, K. Hornoch, and A. Galad
using
lightcurve
observations.
Announced
2015 Aug 05 [P15f].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2015, 2019
by Wm. Robert Johnston.
Last modified
29 May 2019.
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