1999 RG4

1999RG4, 2002 AU164, 2002AU164, A1908, J99R04G, K02AG4U

All data for this body: [vot]

MPC data
Name (number) 1999 RG4 (101908)
a 3.17041
e 0.17494
i / sin(i) 16.2557 / 0.27992
q 2.61576
Q 3.72505
ω 53.3072
Node 307.5219
m 170.8716
n 0.1746
Epoch 2460800.5
nobs 919
nopp 18
Years observed 1999-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.183
ep 0.139
sin(ip) 0.298
G 0.150
H 14.510
Mass
D 7.37 0.419
pV 0.062 0.0106
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 0.629
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1827 0.1387 0.2980 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.33 0.424 0.424 Masiero 2011ApJ...741...68M NEATM
8.99 2.709 2.709 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.035 0.0232 0.0232 Masiero 2017AJ....154..168M NEATM
0.069 0.0119 0.0119 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
14.51 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 C 0.1048 0.1048 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT