2001 HG55

2001HG55, 1991 RX41, 1991RX41, 51642, J91R41X, K01H55G

All data for this body: [vot]

MPC data
Name (number) 2001 HG55 (51642)
a 3.14127
e 0.17372
i / sin(i) 11.3588 / 0.19695
q 2.59557
Q 3.68697
ω 143.8533
Node 192.0889
m 25.0470
n 0.1770
Epoch 2460800.5
nobs 1892
nopp 23
Years observed 1991-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.135
ep 0.157
sin(ip) 0.200
G 0.150
H 13.890
Mass
D 10.52 0.273
pV 0.092 0.0176
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 10.932
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1348 0.1574 0.2001 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.52 0.273 0.273 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.092 0.0176 0.0176 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
13.89 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.39 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.484 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.3015 0.4560 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.5732 0.4560 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT