1983 RA4

1983RA4, 2000 JB24, 2000JB24, 29123, J83R04A, K00J24B

All data for this body: [vot]

MPC data
Name (number) 1983 RA4 (29123)
a 2.71732
e 0.25786
i / sin(i) 9.3902 / 0.16316
q 2.01663
Q 3.41801
ω 352.6529
Node 355.0507
m 107.0212
n 0.2200
Epoch 2460800.5
nobs 2684
nopp 23
Years observed 1983-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.717
ep 0.200
sin(ip) 0.156
G 0.150
H 14.380
Mass
D 5.50 0.032
pV 0.146 0.0031
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 2.423
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7166 0.2004 0.1560 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.55 1.210 1.210 Masiero 2021PSJ.....2..162M NEATM
5.39 2.240 2.240 Masiero 2012ApJ...759L...8M NEATM
5.50 0.032 0.032 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.139 0.1220 0.1220 Masiero 2012ApJ...759L...8M NEATM
0.146 0.0031 0.0031 Masiero 2011ApJ...741...68M NEATM
0.179 0.0690 0.1130 Masiero 2021PSJ.....2..162M 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
14.38 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.17 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.0138 0.0140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.0991 0.0140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT