1989 WG4

1989WG4, 09031, 1994 EM3, 1994EM3, J89W04G, J94E03M

All data for this body: [vot]

MPC data
Name (number) 1989 WG4 (9031)
a 2.19486
e 0.08949
i / sin(i) 5.8589 / 0.10208
q 1.99845
Q 2.39128
ω 321.4019
Node 103.5210
m 132.4070
n 0.3031
Epoch 2460200.5
nobs 3348
nopp 22
Years observed 1989-2023
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.195
ep 0.124
sin(ip) 0.100
Value Standard error
G 0.150
H 14.350
Mass
D 3.12 0.143
pV 0.499 0.0359
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1946 0.1238 0.1003 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.12 0.143 0.143 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.499 0.0359 0.0359 Masiero 2011ApJ...741...68M NEATM
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
14.35 MPC-2023-12-04 MPC-2023-12-04 Phot