2001 RP85

2001RP85, 1985 UR2, 1985UR2, 55240, J85U02R, K01R85P

All data for this body: [vot]

MPC data
Name (number) 2001 RP85 (55240)
a 3.10896
e 0.06399
i / sin(i) 10.4423 / 0.18125
q 2.91002
Q 3.30790
ω 76.7792
Node 187.0247
m 203.9532
n 0.1798
Epoch 2460800.5
nobs 2391
nopp 23
Years observed 1995-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.101
ep 0.087
sin(ip) 0.183
G 0.150
H 14.080
Mass
D 4.70 0.194
pV 0.167 0.0334
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 5.657
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos 0.9400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1014 0.0868 0.1835 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.70 0.194 0.194 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.167 0.0334 0.0334 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
14.08 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 0.696 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.6095 0.5880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT