1990 ON2

1990ON2, 09946, J90O02N

All data for this body: [vot]

MPC data
Name (number) 1990 ON2 (9946)
a 2.25919
e 0.07612
i / sin(i) 3.1787 / 0.05545
q 2.08723
Q 2.43115
ω 281.4832
Node 2.1411
m 112.6216
n 0.2903
Epoch 2460800.5
nobs 3704
nopp 26
Years observed 1950-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.259
ep 0.065
sin(ip) 0.055
G 0.150
H 14.360
Mass
D 2.74 0.099
pV 0.539 0.1136
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2593 0.0652 0.0549 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.74 0.099 0.099 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.539 0.1136 0.1136 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
14.36 MPC-2023-12-04 MPC-2023-12-04 Phot