1998 HF54

1998HF54, A0862, J98H54F

All data for this body: [vot]

MPC data
Name (number) 1998 HF54 (100862)
a 3.18074
e 0.10998
i / sin(i) 4.8690 / 0.08488
q 2.83093
Q 3.53054
ω 38.6621
Node 198.2291
m 251.6923
n 0.1737
Epoch 2460800.5
nobs 817
nopp 22
Years observed 1992-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.167
ep 0.151
sin(ip) 0.090
G 0.150
H 15.170
Mass
D 5.56 0.197
pV 0.057 0.0103
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.325
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
3.1666 0.1506 0.0899 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.56 0.197 0.197 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0103 0.0103 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
15.17 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 0.19 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.4908 0.4908 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT