2002 RA20

2002RA20, B2971, K02R20A

All data for this body: [vot]

MPC data
Name (number) 2002 RA20 (112971)
a 3.17225
e 0.16321
i / sin(i) 17.8614 / 0.30672
q 2.65450
Q 3.68999
ω 74.1241
Node 13.3690
m 286.5725
n 0.1744
Epoch 2460800.5
nobs 1387
nopp 16
Years observed 1999-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.178
ep 0.136
sin(ip) 0.313
G 0.150
H 14.160
Mass
D 8.65 0.190
pV 0.059 0.0124
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 5.770
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1775 0.1355 0.3127 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.65 0.190 0.190 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.059 0.0124 0.0124 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
14.16 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 X 0.0510 0.2500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.1872 0.2500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.2316 0.2500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.35 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.5116 0.2500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT