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:

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--Links to ADS abstracts:

© 2017 by Wm. Robert Johnston.
Last modified 19 February 2017.
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