1999 RG172

1999RG172, 1981 WL3, 1981WL3, 38373, J81W03L, J99RH2G

All data for this body: [vot]

MPC data
Name (number) 1999 RG172 (38373)
a 2.77179
e 0.09038
i / sin(i) 3.7447 / 0.06531
q 2.52129
Q 3.02230
ω 277.9095
Node 101.8467
m 173.1622
n 0.2136
Epoch 2460800.5
nobs 2703
nopp 23
Years observed 1981-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.773
ep 0.054
sin(ip) 0.047
G 0.150
H 14.220
Mass
D 4.98 0.144
pV 0.149 0.0222
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 10.484
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7727 0.0538 0.0467 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.98 0.144 0.144 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.149 0.0222 0.0222 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
14.22 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
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.63 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.5494 0.5360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L L 0.6546 0.5360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S L 0.3625 0.5360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT