Asteroids with Satellites Database--Johnston's Archive

(10132) Lummelunda

compiled by Wm. Robert Johnston
last updated 23 September 2018

--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: 2.2173599141 AU
orbital period P: 3.301826798 yr
(= 1206.0150151 d)
eccentricity e: 0.164664422
perihelion distance q: 1.852239626 AU
aphelion distance Q: 2.5824802022 AU
inclination i: 8.0594124°
argument of perihelion ω: 165.224141°
ascending node Ω: 182.894656°
mean anomaly M: 358.079622°
perihelion passage TP: 2017 Sep 10.433348
Epoch: 2017 Sep 04
data arc: 1981-2017 (1744 obs.)
Earth MOID: 0.846881 AU
Jupiter Tisserand invariant TJ: 3.622

orbital data, secondary:
semimajor axis as: 7.3 km [*E]
separation/primary radius as/rp:4.2 [*D]
separation/Hill radius as/rH:0.015 [*D]
orbital period Ps: 0.935 ± 0.0004 d [B18b]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 14 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 3.589 ± 0.152 km [M11b]
geometric albedo: 0.414 ± 0.062 [M11b]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 500 km [*E]

other data, primary:
diameter dp: 3.46 km [*D]
rotation period RPp: 2.5099 ± 0.0001 h [B18b]
amplitude in mag., rotational ΔM: 0.11 ± 0.01 [B18b]
amplitude in mag., mutual events ΔM:0.12 ±0.04 [B18b]
pole direction Β, λ: ? , ?

other data, secondary:
diameter ds: >0.97 km [*D]
diameter ratio ds/dp: >0.28 [B18b]
component mag. difference ΔM: <2.8 [*D]
rotation period RPs: ?

-- (10132) Lummelunda --discovery and notes:

Primary discovered 1993 Mar 20 from European Southern Observatory, La Silla, Chile by Uppsala-ESO Survey. Alternate designation(s): 1993 FL84, 1981 WS7, 1994 TP2. Linked to prediscovery observations from 1981 Nov 25. Permanent number assigned 1999 Mar 02.

Named 2006 Jun 13 for location in Gotland [MPC056958].

Companion discovered 2017 Aug 27 by V. Benishek, F. Pilcher, P. Pravec, P. Kusnirak, H. Kucakova, D. P. Pray, R. I. Durkee, A. A. Macias, and F. J. Aceituno using lightcurve observations from Sopot Observatory, Serbia; Organ Mesa Observatory, New Mexico, USA; Sugarloaf Mountain Observatory, Massachusetts, USA; Astronomia Para Tolos Observatory, Spain; Shed of Science Observatory, Minnesota, USA; Observatorio de Sierra Nevada, Sapin; Ondrejov Observatory, Czech Republic. Announced 2017 Oct 09 [B18e].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2017, 2018 by Wm. Robert Johnston.
Last modified 23 September 2018.
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