Asteroids with Satellites Database--Johnston's Archive
(7089)
1992 FX1
compiled by Wm. Robert Johnston
last updated
21 July 2024
--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: |
2.31429123582 AU
| |
orbital period P: |
3.520750246 yr (= 1285.95402734 d)
| |
eccentricity e: |
0.14850851255
| |
perihelion distance q: |
1.9705992868 AU
| |
aphelion distance Q: |
2.65798318487 AU
| |
inclination i: |
7.546894645°
| |
argument of perihelion ω: |
44.52108336°
| |
ascending node Ω: |
178.17071534°
| |
mean anomaly M: |
357.76134926°
| |
perihelion passage TP: |
2024 Apr 07.9966720
| |
Epoch: |
2024 Mar 31
| |
data arc: |
1985-2024
(6270 obs.)
| |
Earth MOID: |
0.971145 AU
| |
Jupiter Tisserand invariant TJ: |
3.556
|
orbital data, secondary:
|
semimajor axis as: |
9.5
km
[*E]
| |
separation/primary radius as/rp: | 3.9 [*E] | |
separation/Hill radius as/rH: | 0.013 [*E] | |
orbital period Ps: |
0.8271
± 0.0004
d [B24i]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
13.85
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
5.01
± 0.06
km [M19a]
| |
geometric albedo: |
0.308
± 0.027
[M19a]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
color index J-H: | 0.166 ± 0.11 [S10b] | |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
750 km [*E]
|
other data, primary:
|
diameter dp: |
4.89
± 0.06
km [*D]
| |
rotation period RPp: |
3.0384
± 0.0002
h [B24i]
| |
amplitude in mag., rotational ΔM: |
0.09
[B24i]
| |
amplitude in mag., mutual events ΔM: | 0.05 [B24i] | |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
>1.08
km [*D]
| |
diameter ratio ds/dp: |
>0.22
[B24i]
| |
component mag. difference ΔM: |
<3.3
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(7089) 1992 FX1
--discovery and notes:
Primary discovered
1992 Mar 23
from
Kushiro, Hokkaido, Japan
by
S. Ueda and H. Kaneda.
Alternate designation(s):
1985 FT1, 1990 UK10, 1993 RL8.
Linked to prediscovery observations from 1985 Mar 22.
Permanent number assigned 1996 Jul 30.
Companion discovered
2024 May 28
by V. Benishek, P. Pravec, P. Kusnirak, P. Fatka, K. Ergashev, O. Burkhonov, and Sh. Ehgamberdiev
using
lightcurve
observations from Sopot Observatory, Serbia; Maidanak Observatory, Uzbekistan.
Announced
2024 Jul 20 [B24i].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2024
by Wm. Robert Johnston.
Last modified
21 July 2024.
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