Asteroids with Satellites Database--Johnston's Archive
(10140)
Villon
compiled by Wm. Robert Johnston
last updated
18 June 2022
--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: |
2.4203339174 AU
| |
orbital period P: |
3.765486826 yr
(= 1375.3440632 d)
| |
eccentricity e: |
0.13173434
| |
perihelion distance q: |
2.101492825 AU
| |
aphelion distance Q: |
2.7391750097 AU
| |
inclination i: |
2.6212929°
| |
argument of perihelion ω: |
20.912719°
| |
ascending node Ω: |
165.440008°
| |
mean anomaly M: |
39.953879°
| |
perihelion passage TP: |
2022 Mar 09.360194
| |
Epoch: |
2022 Aug 09
| |
data arc: |
1973-2022
(2989 obs.)
| |
Earth MOID: |
1.10434 AU
| |
Jupiter Tisserand invariant TJ: |
3.501
|
orbital data, secondary:
|
semimajor axis as: |
11
km
[*E]
| |
separation/primary radius as/rp: | 4.8 [*E] | |
separation/Hill radius as/rH: | 0.015 [*E] | |
orbital period Ps: |
1.1862
± 0.0004
d [B22i]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
13.87
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
4.78
± 0.13
km [M11b]
| |
geometric albedo: |
0.28
± 0.078
[M11b]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
750 km [*E]
|
other data, primary:
|
diameter dp: |
4.57
± 0.19
km [*D]
| |
rotation period RPp: |
2.50861
± 0.00007
h [B22i]
| |
amplitude in mag., rotational ΔM: |
0.12
[B22i]
| |
amplitude in mag., mutual events ΔM: | 0.15 ±0.05 [B22i] | |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
>1.42
km [*D]
| |
diameter ratio ds/dp: |
>0.31
[B22i]
| |
component mag. difference ΔM: |
<2.54
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(10140) Villon
--discovery and notes:
Primary discovered
1993 Sep 19
from
Caussols, France
by
E. W. Elst.
Alternate designation(s):
1993 SX4,
1973 GZ, 1977 KH, 1984 CJ, 1990 WQ15.
Linked to prediscovery observations from 1973 Apr 01.
Permanent number assigned 1999 Mar 02.
Named 1999 Jul 28 for Francois Villon (1431-1463).
Companion discovered
2022 Mar 09
by V. Benishek, P. Pravec, R. Durkee
using
lightcurve
observations from Sopot Observatory, Serbia; Shed of Science South Observatory, Pontotoc, Texas, USA.
Announced
2022 Jun 08 [B22i].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2022
by Wm. Robert Johnston.
Last modified
18 June 2022.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.