Asteroids with Satellites Database--Johnston's Archive

(11227) Ksenborisova

compiled by Wm. Robert Johnston
last updated 16 July 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: main belt asteroid


orbital data, primary (osculating elements) [JPL] :
semimajor axis a: 2.270362285 AU
orbital period P: yr
(= 1249.5141323 d)
eccentricity e: 0.025887366
perihelion distance q: 2.211588585 AU
aphelion distance Q: 2.3291359854 AU
inclination i: 3.6070493°
argument of perihelion ω: 196.19319°
ascending node Ω: 296.740709°
mean anomaly M: 223.52195°
perihelion passage TP: 2018 Dec 21.69793
Epoch: 2017 Sep 04
data arc: 1969-2017 (1588 obs.)
Earth MOID: 1.22749 AU
Jupiter Tisserand invariant TJ: 3.61


orbital data, secondary:
semimajor axis as: ?
orbital period Ps: ?
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 13.9 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 2.6 ± 0.41 km [M11b]
geometric albedo: 0.947 ± 0.146 [M11b]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 460 km [*E]

other data, primary:
diameter dp: 2.6 ± 0.41 km [M11b]
rotation period RPp: 2.61679 h [JPL]
amplitude in mag., rotational ΔM: ?
pole direction Β, λ: ? , ?


other data, secondary:
diameter ds: ?
diameter ratio ds/dp: ?
component mag. difference ΔM: ?
rotation period RPs: ?

-- (11227) Ksenborisova --discovery and notes:

Primary discovered 1999 May 10 from Socorro, New Mexico, USA by LINEAR Program. Alternate designation(s): 1999 JR43, 1969 RD1, 1978 EK8, 1985 FH2, 1988 BS4, 1997 WU43. Linked to prediscovery observations from 1969 Sep 13. Permanent number assigned 1999 Jul 28.

Named 2002 Jul 24 for Ksenia V. Borisova (1983-) [MPC46102].

Companion discovered using lightcurve observations. Announced .

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


© 2017 by Wm. Robert Johnston.
Last modified 16 July 2017.
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