1990UO4

1998KB57, 22308, J90U04O, J98K57B

All data for this body: [vot]

MPC data
Name (number) 1990UO4 (22308)
Packed designation 22308
a 2.77283
e 0.14286
i / sin(i) 12.1065 / 0.20973
q 2.37670
Q 3.16896
ω 134.5958
Node 188.3936
m 333.6381
n 0.2135
Epoch 2459600.5
nobs 2099
nopp 20
Years observed 1990-2021
rms 0.46
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.773
ep 0.112
sin(ip) 0.213
Value Standard error
G 0.150
H 13.950
Mass
D 5.82 0.549
pV 0.157 0.0342
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7734 0.1123 0.2130 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.82 0.549 0.549 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.157 0.0342 0.0342 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.95 MPC-2022-01-18 MPC-2022-01-18 Phot