1999 RM191

1999RM191, 1997 AL8, 1997AL8, 1998 HB117, 1998HB117, 40655, J97A08L, J98HB7B, J99RJ1M

All data for this body: [vot]

MPC data
Name (number) 1999 RM191 (40655)
a 2.57421
e 0.20032
i / sin(i) 5.4239 / 0.09452
q 2.05855
Q 3.08988
ω 173.4393
Node 142.3968
m 119.9570
n 0.2386
Epoch 2460800.5
nobs 1280
nopp 22
Years observed 1997-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.572
ep 0.181
sin(ip) 0.081
G 0.150
H 15.310
Mass
D 3.71 0.236
pV 0.049 0.0144
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 2.871
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5723 0.1812 0.0809 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.67 0.239 0.239 Masiero 2011ApJ...741...68M NEATM
5.64 1.580 1.580 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.069 0.0207 0.0207 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
15.31 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 0.10 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.0765 0.1140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.1929 0.1140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.151 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C X 0.2942 0.1140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT