1999 XO121

1999XO121, 2002 JB33, 2002JB33, 71083, J99XC1O, K02J33B

All data for this body: [vot]

MPC data
Name (number) 1999 XO121 (71083)
a 2.55530
e 0.19630
i / sin(i) 12.6587 / 0.21914
q 2.05370
Q 3.05689
ω 255.8316
Node 53.9220
m 29.8883
n 0.2413
Epoch 2460200.5
nobs 1892
nopp 19
Years observed 1999-2023
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.555
ep 0.161
sin(ip) 0.212
Value Standard error
G 0.150
H 15.120
Mass
D 3.34 0.115
pV 0.239 0.0342
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5551 0.1614 0.2121 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.81 0.491 0.491 Masiero 2011ApJ...741...68M NEATM
3.37 0.118 0.118 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.225 0.0370 0.0370 Masiero 2011ApJ...741...68M NEATM
0.323 0.0895 0.0895 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
15.12 MPC-2023-12-04 MPC-2023-12-04 Phot