Asteroids with Satellites Database--Johnston's Archive
(2881)
Meiden
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: |
2.2478126538 AU
| |
orbital period P: |
3.370079667 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: |
12
km
[*E]
| |
orbital period Ps: |
0.8508
± 0.0004
d [P17j]
| |
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: |
6.05
± 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: |
870 km [*E]
|
other data, primary:
|
diameter dp: |
5.81
± 0.07
km [*D]
| |
rotation period RPp: |
3.48
h [P17j]
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
1.68
± 0.12
km [*D]
| |
diameter ratio ds/dp: |
0.29
± 0.02
[P17j]
| |
component mag. difference ΔM: |
2.69
± 0.15
[*D]
| |
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 [MPC022828].
Companion discovered
-
using
lightcurve
observations.
Announced
2017 Apr 29.
--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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