2001 RG155

2001RG155, 1991 PP4, 1991PP4, 55272, J91P04P, K01RF5G

All data for this body: [vot]

MPC data
Name (number) 2001 RG155 (55272)
a 2.76303
e 0.18621
i / sin(i) 9.5325 / 0.16561
q 2.24854
Q 3.27753
ω 44.2334
Node 139.4358
m 237.7587
n 0.2146
Epoch 2460800.5
nobs 2801
nopp 23
Years observed 1991-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.763
ep 0.230
sin(ip) 0.152
G 0.150
H 13.640
Mass
D 7.55 0.211
pV 0.122 0.0155
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 15.874
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7630 0.2300 0.1518 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.08 2.750 2.750 Masiero 2020PSJ.....1....5M NEATM
7.53 0.212 0.212 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.069 0.0820 0.0820 Masiero 2020PSJ.....1....5M NEATM
0.124 0.0158 0.0158 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
13.64 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 X 0.4415 0.3290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.948 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.1011 0.3290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.1714 0.3290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3238 0.3290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3999 0.3290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.7014 0.3290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT