2001 HP54

2001HP54, 1997 EW18, 1997EW18, 51640, J97E18W, K01H54P

All data for this body: [vot]

MPC data
Name (number) 2001 HP54 (51640)
a 2.34030
e 0.04384
i / sin(i) 6.1416 / 0.10699
q 2.23771
Q 2.44290
ω 11.7497
Node 171.3212
m 290.1925
n 0.2753
Epoch 2460800.5
nobs 1181
nopp 20
Years observed 1994-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.340
ep 0.086
sin(ip) 0.108
G 0.150
H 16.080
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 13.009
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3398 0.0858 0.1084 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.08 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.918 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9168 0.9168 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
SQ 0.47 Bus VIS Carvano 2010A&A...510A..43C PHOT