Asteroids with Satellites Database--Johnston's Archive
(7355)
Bottke
compiled by Wm. Robert Johnston
last updated
28 November 2023
--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: |
2.2586933642 AU
| |
orbital period P: |
3.394643063 yr
(= 1239.8933787 d)
| |
eccentricity e: |
0.1649822486
| |
perihelion distance q: |
1.8860490542 AU
| |
aphelion distance Q: |
2.6313376742 AU
| |
inclination i: |
7.662996073°
| |
argument of perihelion ω: |
293.8039088°
| |
ascending node Ω: |
59.18786114°
| |
mean anomaly M: |
6.8500913°
| |
perihelion passage TP: |
2023 Aug 20.4072697
| |
Epoch: |
2023 Sep 13
| |
data arc: |
1955-2023
(3306 obs.)
| |
Earth MOID: |
0.896453 AU
| |
Jupiter Tisserand invariant TJ: |
3.592
|
orbital data, secondary:
|
semimajor axis as: |
15
km
[*E]
| |
separation/primary radius as/rp: | 6.2 [*E] | |
separation/Hill radius as/rH: | 0.021 [*E] | |
orbital period Ps: |
1.702
± 0.002
d [B23t]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
13.36
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
5.11
± 0.28
km [M**]
| |
geometric albedo: |
0.39
± 0.052
[M**]
| |
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: |
4.81
km [*D]
| |
rotation period RPp: |
2.6364
± 0.0002
h [B23t]
| |
amplitude in mag., rotational ΔM: |
0.26
[B23t]
| |
amplitude in mag., mutual events ΔM: | 0.13 [B23t] | |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
>1.73
km [*D]
| |
diameter ratio ds/dp: |
>0.36
[B23t]
| |
component mag. difference ΔM: |
<2.2
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(7355) Bottke
--discovery and notes:
Primary discovered
1995 Apr 25
from
Steward Observatory, Kitt Peak, Arizona, USA
by
Spacewatch Program.
Alternate designation(s):
1995 HN2,
A911 UG, 1955 SK, 1985 BN, 1994 BC5.
Linked to prediscovery observations from 1955 Sep 17.
Permanent number assigned 1996 Dec 24.
Named 1998 Aug 08 for William F. Bottke Jr. [MPC032348].
Companion discovered
2023 Oct 29
by Benishek, V., P. Pravec, D. Pray, and J. Oey
using
lightcurve
observations from Sopot Observatory, Serbia; Sugarloaf Mountain Observatory, South Deerfield, Massachusetts, USA; Blue Mountains Observatory, Leura, New South Wales, Australia.
Announced
2023 Nov 27 [B23t].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2023
by Wm. Robert Johnston.
Last modified
28 November 2023.
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