Asteroids with Satellites Database--Johnston's Archive
(7393)
Luginbuhl
compiled by Wm. Robert Johnston
last updated
30 April 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: |
2.2406226609 AU
| |
orbital period P: |
3.3539229859 yr
(= 1225.0435071 d)
| |
eccentricity e: |
0.199773359
| |
perihelion distance q: |
1.79300595 AU
| |
aphelion distance Q: |
2.688239376 AU
| |
inclination i: |
6.7298825°
| |
argument of perihelion ω: |
332.023729°
| |
ascending node Ω: |
23.519°
| |
mean anomaly M: |
122.748578°
| |
perihelion passage TP: |
2018 Mar 05.299030
| |
Epoch: |
2019 Apr 27
| |
data arc: |
1983-2018
(1754 obs.)
| |
Earth MOID: |
0.791441 AU
| |
Jupiter Tisserand invariant TJ: |
3.599
|
orbital data, secondary:
|
semimajor axis as: |
16
km
[*E]
| |
separation/primary radius as/rp: | 6.3 [*E] | |
separation/Hill radius as/rH: | 0.022 [*E] | |
orbital period Ps: |
1.6426
± 0.0001
d [W19b]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
13.2
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
5.47
± 0.08
km [M11b]
| |
geometric albedo: |
0.408
± 0.065
[M11b]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
720 km [*E]
|
other data, primary:
|
diameter dp: |
5.08
km [*D]
| |
rotation period RPp: |
2.68763
± 0.00005
h [W19b]
| |
amplitude in mag., rotational ΔM: |
0.1
[W19b]
| |
amplitude in mag., mutual events ΔM: | 0.16 [W19b] | |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
>2.03
km [*D]
| |
diameter ratio ds/dp: |
>0.4
± 0.03
[W19b]
| |
component mag. difference ΔM: |
<2.0
± 0.2
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(7393) Luginbuhl
--discovery and notes:
Primary discovered
1984 Sep 28
from
Anderson Mesa Station, Arizona, USA
by
B. A. Skiff.
Alternate designation(s):
1984 SL3,
1983 EE2, 1993 FM35.
Linked to prediscovery observations from 1983 Mar 11.
Permanent number assigned 1997 Jan 23.
Named 1999 Sep 28 for Christian B. Luginbuhl (1955-) [MPC036127].
Companion discovered
2018 Dec 04
by B. D. Warner and B. A. Skiff
using
lightcurve
observations from Center for Solar System Studies, Landers, California, United States.
Announced
2019 Jan 09 [W19b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2019, 2022
by Wm. Robert Johnston.
Last modified
30 April 2022
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