Asteroids with Satellites Database--Johnston's Archive
(12008)
Kandrup
compiled by Wm. Robert Johnston
last updated
19 February 2017
--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:
Mars crossing asteroid
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
1.996504957 AU
| |
orbital period P: |
2.821016259 yr
(= 1030.395649 d)
| |
eccentricity e: |
0.31620832
| |
perihelion distance q: |
1.36519348 AU
| |
aphelion distance Q: |
2.627816435 AU
| |
inclination i: |
29.743011°
| |
argument of perihelion ω: |
344.889724°
| |
ascending node Ω: |
263.326438°
| |
mean anomaly M: |
182.97537°
| |
perihelion passage TP: |
2018 Jul 07.681689
| |
Epoch: |
2017 Feb 16
| |
data arc: |
1949-2017
(1026 obs.)
| |
Earth MOID: |
0.358698 AU
| |
Jupiter Tisserand invariant TJ: |
3.627
|
orbital data, secondary:
|
semimajor axis as: |
10
km
[*E]
| |
separation/primary radius as/rp: | 5.9 [*E] | |
separation/Hill radius as/rH: | 0.024 [*E] | |
orbital period Ps: |
1.371
d [M17a]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
13.1
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
4.2
± 0.18
km [U11a]
| |
geometric albedo: |
0.592
± 0.056
[U11a]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
410 km [*E]
|
other data, primary:
|
diameter dp: |
3.4
± 0.4
km [*E]
| |
rotation period RPp: |
32.9034
h [JPL]
| |
amplitude in mag., rotational ΔM: |
?
| |
amplitude in mag., mutual events ΔM: | 0.5 [M17a] | |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
2.6
± 0.4
km [*E]
| |
diameter ratio ds/dp: |
0.75
± 0.25
[M17a]
| |
component mag. difference ΔM: |
0.6246936830415
± 0.7
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(12008) Kandrup
--discovery and notes:
Primary discovered
1996 Oct 11
from
Catalina Station, Arizona, USA
by
T. B. Spahr.
Alternate designation(s):
1996 TY9
.
Linked to prediscovery observations from 1949 Nov 30.
Permanent number assigned 1999 Oct 26.
Named 2004 Mar 06 for Henry E. Kandrup (1955-2003) [MPC51187].
Companion discovered
2016 Dec 02
by F. Manzini, R. Behrend, E. Frappa, L. Brunetto, Z. Challita, F. Colas, A. Kryszczynska, M. Castets, B. tregon, A. Leroy, A. Klotz, L. Bernasconi, A. Debackere, B. Mallecot, C. Rinner, F. Vachier, J.-G. Bosch, J.-P. Godard, J. Strajnic, et al.
using
lightcurve
observations.
Announced
2016 Dec 22 [M17a].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2017
by Wm. Robert Johnston.
Last modified
19 February 2017.
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