Asteroids with Satellites Database--Johnston's Archive

(2881) Meiden

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: 2.2478126538 AU
orbital period P: yr
(= 1230.9448464 d)
eccentricity e: 0.154865446
perihelion distance q: 1.899704144 AU
aphelion distance Q: 2.595921163 AU
inclination i: 4.6162656°
argument of perihelion ω: 326.7624°
ascending node Ω: 173.012588°
mean anomaly M: 84.571591°
perihelion passage TP: 2016 Nov 18.825101
Epoch: 2017 Sep 04
data arc: 1936-2017 (1803 obs.)
Earth MOID: 0.916145 AU
Jupiter Tisserand invariant TJ: 3.609


orbital data, secondary:
semimajor axis as: ?
orbital period Ps: ?
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: 5.67 ± 0.06 km [M11b]
geometric albedo: 0.241 ± 0.026 [M11b]
color index U-B: ?
color index B-V: ?
taxonomic type: S (SMASSII) [JPL]
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 840 km [*E]

other data, primary:
diameter dp: 5.67 ± 0.06 km [M11b]
rotation period RPp: 3.48 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: ?

-- (2881) Meiden --discovery and notes:

Primary discovered 1983 Jan 12 from Anderson Mesa Station, Arizona, USA by B. A. Skiff. Alternate designation(s): 1983 AA1, 1936 FS1, 1936 FZ1, 1953 GP1, 1953 GQ, 1968 UO2, 1975 VL1, 1978 RP5, 1983 AZ1. Linked to prediscovery observations from 1936 Mar 17. Permanent number assigned 1983 Apr 27.

Named 1993 Nov 29 for the Lithuanian mythological god of animals and forests [MPC22828].

Companion discovered using lightcurve observations. Announced 2017 Apr 29.

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


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