281820 = 2009 XW =
Monnaves
Descubert
el 2009-12-09
Diámetre estimat 1445-3252 m
Epoch 2011
Aug. 27.0 TT = JDT
2455800.5
MPC
M
74.45188
(2000.0)
P
Q
n 0.24174201 Peri.
230.87594 -0.96972366
-0.20493496
T = 2455492.51926 JDT
a 2.5521212 Node
296.93070 +0.24334705
-0.85646967
q = 2.0668978
e 0.1901255
Incl. 8.56672
-0.02045088 -0.47377355
P
4.08
H
16.4
G
0.15
U 1
From 75 observations at 6 oppositions, 2001-2011, mean residual 0".49.
Last observed on 2011 May 26. Perturbed ephemeris below based on
elements from MPO 199608.
Discovery date : 2009 12 09
Discovery site : Cabrils
Discoverer(s) : Observatorio Montcabre .
(2
K09X00W
exp 4 X 5 Minuts
