Asteroids with Satellites Database--Johnston's Archive

(9972) Minoruoda

compiled by Wm. Robert Johnston
last updated 27 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: 2.2902066273 AU
orbital period P: 3.465867859 yr
(= 1265.9321442 d)
eccentricity e: 0.198883739
perihelion distance q: 1.83472177 AU
aphelion distance Q: 2.745691484 AU
inclination i: 9.4306971°
argument of perihelion ω: 125.131727°
ascending node Ω: 97.819036°
mean anomaly M: 16.1885606°
perihelion passage TP: 2017 Jul 09.073280
Epoch: 2017 Sep 04
data arc: 1958-2017 (1344 obs.)
Earth MOID: 0.844277 AU
Jupiter Tisserand invariant TJ: 3.555

orbital data, secondary:
semimajor axis as: 18 km [*E]
orbital period Ps: 0.9538 ± 0.0004 d [C17a]
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: 8.85 ± 0.04 km [M11b]
geometric albedo: 0.037 ± 0.042 [M11b]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 1230 km [*E]

other data, primary:
diameter dp: 8.61 km [*D]
rotation period RPp: 3.422 ± 0 h [C17a]
amplitude in mag., rotational ΔM: ?
pole direction Β, λ: ? , ?

other data, secondary:
diameter ds: >2.07 km [*D]
diameter ratio ds/dp: >0.24 [C17a]
component mag. difference ΔM: <3.1 [*D]
rotation period RPs: ?

-- (9972) Minoruoda --discovery and notes:

Primary discovered 1993 May 26 from Kiyosato by S. Otomo. Alternate designation(s): 1993 KQ, 1958 DQ, 1979 HE6, 1982 BE2, 1989 AQ9. Linked to prediscovery observations from 1958 Feb 23. Permanent number assigned 1999 Feb 02.

Named 2003 Nov 09 for Minoru Oda (1923-2001) [MPC050250].

Companion discovered 2017 May by W. Cooney, V. Benishek, P. Pravec, H. Kucakova, K. Hornoch, P. Kusnirak, J. Vrastil, J. Gross, D. Terrell, D. Pray, V. Chiorny, I. Slyusarev, B. Flanagan, B. Pellerin, R. Montaigut, A. Leroy using lightcurve observations. Announced 2017 Jun 05 [C17#].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2017, 2019 by Wm. Robert Johnston.
Last modified 27 May 2019.
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