1999 RO40

1999RO40, 2003 UT139, 2003UT139, J99R40O, K03UD9T, N7437

All data for this body: [vot]

MPC data
Name (number) 1999 RO40 (237437)
a 2.46791
e 0.27702
i / sin(i) 11.4263 / 0.19811
q 1.78425
Q 3.15156
ω 129.8877
Node 172.2986
m 245.7791
n 0.2542
Epoch 2460800.5
nobs 323
nopp 14
Years observed 1999-2025
rms 0.87
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.475
ep 0.233
sin(ip) 0.202
G 0.150
H 17.180
Mass
D 2.13 0.360
pV 0.063 0.0146
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.149
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4748 0.2329 0.2021 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.03 0.500 0.500 Masiero 2020PSJ.....1....5M NEATM
2.15 0.600 0.600 Masiero 2011ApJ...741...68M NEATM
2.52 1.044 1.044 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0328 0.0328 Masiero 2011ApJ...741...68M NEATM
0.066 0.0171 0.0171 Masiero 2011ApJ...741...68M NEATM
0.074 0.0520 0.0520 Masiero 2020PSJ.....1....5M 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
17.18 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 0.48 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.0333 0.3320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.0634 0.3320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.4348 0.3320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V C 0.1420 0.3320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT