1999 RG239

1999RG239, 1981 VU1, 1981VU1, 40705, J81V01U, J99RN9G

All data for this body: [vot]

MPC data
Name (number) 1999 RG239 (40705)
a 2.73996
e 0.09393
i / sin(i) 8.4729 / 0.14734
q 2.48260
Q 2.99733
ω 313.8570
Node 42.9565
m 240.8989
n 0.2173
Epoch 2460800.5
nobs 1527
nopp 23
Years observed 1981-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.740
ep 0.052
sin(ip) 0.136
G 0.150
H 14.970
Mass
D 6.69 0.113
pV 0.043 0.0070
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.020
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7398 0.0525 0.1358 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.69 0.113 0.113 Masiero 2011ApJ...741...68M NEATM
6.92 2.100 2.100 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0660 0.0660 Masiero 2020PSJ.....1....5M NEATM
0.043 0.0070 0.0070 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
14.97 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 0.18 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.4434 0.4434 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.247 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT