1989 UM1

1989UM1, 11281, J89U01M

All data for this body: [vot]

MPC data
Name (number) 1989 UM1 (11281)
a 2.26529
e 0.19362
i / sin(i) 3.0591 / 0.05337
q 1.82668
Q 2.70391
ω 307.3201
Node 55.4796
m 2.2806
n 0.2891
Epoch 2460200.5
nobs 2570
nopp 21
Years observed 1989-2023
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.265
ep 0.150
sin(ip) 0.040
Value Standard error
G 0.150
H 14.840
Mass
D
pV
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2652 0.1501 0.0397 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.84 MPC-2023-12-04 MPC-2023-12-04 Phot