2000 HG57

2000HG57, 1985 VY4, 1985VY4, 51158, J85V04Y, K00H57G

All data for this body: [vot]

MPC data
Name (number) 2000 HG57 (51158)
a 3.16084
e 0.16240
i / sin(i) 6.3169 / 0.11003
q 2.64751
Q 3.67418
ω 226.4404
Node 121.5916
m 54.7333
n 0.1754
Epoch 2460800.5
nobs 2227
nopp 23
Years observed 1985-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.151
ep 0.146
sin(ip) 0.090
G 0.150
H 13.850
Mass
D 8.18 0.782
pV 0.080 0.0089
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 0.776
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1515 0.1463 0.0904 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.18 0.782 0.782 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.080 0.0089 0.0089 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
13.85 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
V V 0.1294 0.1294 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT