1998 WM20

1998WM20, 2002 OU3, 2002OU3, A1473, J98W20M, K02O03U

All data for this body: [vot]

MPC data
Name (number) 1998 WM20 (101473)
a 2.59060
e 0.22909
i / sin(i) 11.3165 / 0.19623
q 1.99711
Q 3.18409
ω 105.9412
Node 237.6911
m 169.7318
n 0.2364
Epoch 2460800.5
nobs 1280
nopp 19
Years observed 1998-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.591
ep 0.177
sin(ip) 0.220
G 0.150
H 15.250
Mass
D 3.14 0.241
pV 0.234 0.0373
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5915 0.1774 0.2203 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.08 0.251 0.251 Masiero 2011ApJ...741...68M NEATM
3.82 0.870 0.870 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.160 0.1030 0.1030 Masiero 2012ApJ...759L...8M NEATM
0.245 0.0400 0.0400 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
15.25 MPC-2023-12-04 MPC-2023-12-04 Phot