1981 WJ9

1981WJ9, 14337, 1998 WS15, 1998WS15, J81W09J, J98W15S

All data for this body: [vot]

MPC data
Name (number) 1981 WJ9 (14337)
a 2.61601
e 0.18334
i / sin(i) 5.2735 / 0.09191
q 2.13638
Q 3.09564
ω 253.6123
Node 191.8367
m 71.3372
n 0.2329
Epoch 2460800.5
nobs 2538
nopp 22
Years observed 1981-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.616
ep 0.208
sin(ip) 0.101
G 0.150
H 14.680
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 0.390
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6160 0.2084 0.1012 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.68 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X X 0.0650 0.0650 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT