Asteroids with Satellites Database--Johnston's Archive
(9783)
Tensho-kan
compiled by Wm. Robert Johnston
last updated
29 May 2019
--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: |
2.670299051 AU
| |
orbital period P: |
4.363548949 yr
(= 1593.816355 d)
| |
eccentricity e: |
0.104091294
| |
perihelion distance q: |
2.39234417 AU
| |
aphelion distance Q: |
2.948253935 AU
| |
inclination i: |
1.9592575°
| |
argument of perihelion ω: |
128.29429°
| |
ascending node Ω: |
278.88497°
| |
mean anomaly M: |
254.757457°
| |
perihelion passage TP: |
2016 Mar 18.93690
| |
Epoch: |
2014 Dec 09
| |
data arc: |
1976-2015
(834 obs.)
| |
Earth MOID: |
1.40232 AU
| |
Jupiter Tisserand invariant TJ: |
3.373
|
orbital data, secondary:
|
semimajor axis as: |
13
km
[*E]
| |
separation/primary radius as/rp: | 5.0 [*E] | |
separation/Hill radius as/rH: | 0.013 [*E] | |
orbital period Ps: |
1.232
± 0.0004
d [W17a]
| |
eccentricity es: |
0
[P15f]
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
13.9
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
5.33
± 0.28
km [M11b]
| |
geometric albedo: |
0.188
± 0.049
[M11b]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
970 km [*E]
|
other data, primary:
|
diameter dp: |
5.16
± 0.27
km []
| |
rotation period RPp: |
3.011
± 0
h [W17e]
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
1.34
± 0.22
km [*E]
| |
diameter ratio ds/dp: |
0.26
± 0.04
[W17a]
| |
component mag. difference ΔM: |
2.93
± 0.34
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(9783) Tensho-kan
--discovery and notes:
Primary discovered
1994 Dec 28
from
Oizumi, Japan
by
T. Kobayashi.
Alternate designation(s):
1994 YD1,
1976 UU19, 1982 BP10, 1991 CC2, 1993 PZ5.
Linked to prediscovery observations from 1976 Oct 24.
Permanent number assigned 1998 Dec 08.
Named 2002 Sep 21 for a Japanese planetarium [MPC046681].
Companion discovered
2013 Mar 09
by Pravec, P., P. Scheirich, P. Kusnirak, K. Hornoch, and A. Galad
using
lightcurve
observations.
Announced
2015 Aug 05 [P15f].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2015, 2019
by Wm. Robert Johnston.
Last modified
29 May 2019.
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