1999 XO121

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

All data for this body: [vot]

MPC data
Name (number) 1999 XO121 (71083)
a 2.55441
e 0.19834
i / sin(i) 12.6512 / 0.21902
q 2.04776
Q 3.06105
ω 255.8642
Node 53.8898
m 174.4797
n 0.2414
Epoch 2460800.5
nobs 2089
nopp 20
Years observed 1999-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.555
ep 0.161
sin(ip) 0.212
G 0.150
H 15.120
Mass
D 3.34 0.115
pV 0.239 0.0342
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 8.773
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
145 Adeona 0 Adeona Novakovic 2019EPSC...13.1671N HCM
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-Nov-2024
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
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.984 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.4782 0.4560 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.2689 0.4560 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT