Asteroids with Satellites Database--Johnston's Archive

(2602) Moore

compiled by Wm. Robert Johnston
last updated 20 October 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: 2.3838438626 AU
orbital period P: 3.6805837958 yr
(= 1344.3586213 d)
eccentricity e: 0.107211694
perihelion distance q: 2.12826792 AU
aphelion distance Q: 2.6394198003 AU
inclination i: 5.5431249°
argument of perihelion ω: 65.476199°
ascending node Ω: 158.253025°
mean anomaly M: 320.960872°
perihelion passage TP: 2019 Sep 19.784967
Epoch: 2019 Apr 27
data arc: 1950-2019 (2435 obs.)
Earth MOID: 1.12708 AU
Jupiter Tisserand invariant TJ: 3.522


orbital data, secondary:
semimajor axis as: 22 km [*E]
separation/primary radius as/rp:4.8 [*E]
separation/Hill radius as/rH:0.014 [*E]
orbital period Ps: 1.14396 ± 0.00012 d [W19d]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 12.7 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 9.6 km [*E]
geometric albedo: (0.16 ) [*A]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 1500 km [*E]

other data, primary:
diameter dp: 9.2 km [*E]
rotation period RPp: 3.46723 ± 0.00003 h [W19d]
amplitude in mag., rotational ΔM: 0.43 ± 0.01 [W19d]
amplitude in mag., mutual events ΔM:0.15 ±0.01 [W19d]
pole direction Β, λ: ? , ?


other data, secondary:
diameter ds: 2.6 km [*E]
diameter ratio ds/dp: 0.28 ± 0.02 [W19d]
component mag. difference ΔM: 2.8 ± 0.2 [*D]
rotation period RPs: ?

-- (2602) Moore --discovery and notes:

Primary discovered 1982 Jan 24 from Flagstaff, Arizona, USA by E. Bowell. Alternate designation(s): 1982 BR, 1931 JJ, 1942 HD, 1950 PE, 1969 TZ1, 1971 BA3, 1971 DD, 1975 FD, 1975 GM, 1976 SX6. Linked to prediscovery observations from 1931. Permanent number assigned 1982.

Named 1982 Aug 04 for Patrick Moore (1923-2012) [MPC007157].

Companion discovered 2019 Apr 17 by B. D. Warner, R. D. Stephens using lightcurve observations from CS3, Landers, California. Announced 2019 Sep 20 [W19d].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


© 2019 by Wm. Robert Johnston.
Last modified 20 October 2019.
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