2002 RO31

2002RO31, 1998 WM21, 1998WM21, B2988, J98W21M, K02R31O

All data for this body: [vot]

MPC data
Name (number) 2002 RO31 (112988)
a 2.75559
e 0.08592
i / sin(i) 3.9483 / 0.06886
q 2.51883
Q 2.99234
ω 152.3861
Node 294.1066
m 255.4209
n 0.2155
Epoch 2460800.5
nobs 1028
nopp 19
Years observed 1998-2025
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent Nemesis (128)
 
ap 2.756
ep 0.088
sin(ip) 0.086
G 0.150
H 15.340
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 0.240
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
128 Nemesis 504 Nemesis 0.2600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7561 0.0879 0.0863 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
15.34 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
C 0.12 Bus VIS Carvano 2010A&A...510A..43C PHOT