Asteroids with Satellites Database--Johnston's Archive
(14469)
Komatsuataka
compiled by Wm. Robert Johnston
last updated
12 November 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: |
2.5827338843 AU
| |
orbital period P: |
4.150760668 yr
(= 1516.0653339 d)
| |
eccentricity e: |
0.268566445
| |
perihelion distance q: |
1.889098227 AU
| |
aphelion distance Q: |
3.276369542 AU
| |
inclination i: |
12.29946575°
| |
argument of perihelion ω: |
12.8125068°
| |
ascending node Ω: |
343.7692833°
| |
mean anomaly M: |
345.3033104°
| |
perihelion passage TP: |
2022 Oct 09.892060
| |
Epoch: |
2022 Aug 09
| |
data arc: |
1991-2022
(1869 obs.)
| |
Earth MOID: |
0.885805 AU
| |
Jupiter Tisserand invariant TJ: |
3.341
|
orbital data, secondary:
|
semimajor axis as: |
7.5
km
[*E]
| |
separation/primary radius as/rp: | 3.8 [*E] | |
separation/Hill radius as/rH: | 0.013 [*E] | |
orbital period Ps: |
0.805
± 0.0004
d [B22m]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
13.82
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
4.02
± 0.75
km [M**]
| |
geometric albedo: |
0.388
± 0.248
[M**]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
580 km [*E]
|
other data, primary:
|
diameter dp: |
3.91
± 0.73
km [*D]
| |
rotation period RPp: |
2.6226
± 0.0002
h [B22m]
| |
amplitude in mag., rotational ΔM: |
0.13
[B22m]
| |
amplitude in mag., mutual events ΔM: | 0.08 ±0.02 [B22m] | |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
0.94
± 0.19
km [*D]
| |
diameter ratio ds/dp: |
0.24
± 0.02
[B22m]
| |
component mag. difference ΔM: |
<3.1
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(14469) Komatsuataka
--discovery and notes:
Primary discovered
1993 Sep 12
from
Kitami, Hokkaido, Japan
by
K. Endate and K. Watanabe.
Alternate designation(s):
1993 RK,
1997 QH2.
Linked to prediscovery observations from 1991 Feb 14.
Permanent number assigned 2000 Apr 18.
Named 2014 Oct 08 for the town in Ishikawa, Japan [MPC090378].
Companion discovered
2022 Sep 12
by V. Benishek and P. Pravec
using
lightcurve
observations from Sopot Observatory, Serbia.
Announced
2022 Nov 12 [B22m].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2022
by Wm. Robert Johnston.
Last modified
12 November 2022.
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