1999 XQ261

1999XQ261, J99XQ1Q, W9283

All data for this body: [vot]

MPC data
Name (number) 1999 XQ261 (329283)
a 2.32103
e 0.13520
i / sin(i) 9.9315 / 0.17247
q 2.00722
Q 2.63483
ω 160.8776
Node 236.7555
m 89.3232
n 0.2787
Epoch 2460800.5
nobs 429
nopp 13
Years observed 1999-2025
rms 0.94
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.321
ep 0.132
sin(ip) 0.184
G 0.150
H 17.360
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3214 0.1315 0.1836 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
17.36 MPC-2023-12-04 MPC-2023-12-04 Phot