1998 HP58

1998HP58, 1976 MO, 1976MO, 1994 RR3, 1994RR3, 55951, J76M00O, J94R03R, J98H58P

All data for this body: [vot]

MPC data
Name (number) 1998 HP58 (55951)
a 3.20508
e 0.11755
i / sin(i) 2.0292 / 0.03541
q 2.82832
Q 3.58184
ω 163.4028
Node 123.3082
m 184.1289
n 0.1718
Epoch 2460800.5
nobs 772
nopp 23
Years observed 1976-2025
rms 0.90
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.190
ep 0.132
sin(ip) 0.018
G 0.150
H 15.030
Mass
D 6.61 0.310
pV 0.037 0.0083
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 1.257
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.2500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1902 0.1323 0.0185 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.61 0.310 0.310 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.037 0.0083 0.0083 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
15.03 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
B B 0.2095 0.1560 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C B 0.0936 0.1560 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT