2001 OH21

2001OH21, 1998 XW40, 1998XW40, 57081, J98X40W, K01O21H

All data for this body: [vot]

MPC data
Name (number) 2001 OH21 (57081)
a 2.33594
e 0.08045
i / sin(i) 5.8967 / 0.10274
q 2.14800
Q 2.52388
ω 112.0128
Node 308.3726
m 163.6576
n 0.2761
Epoch 2460800.5
nobs 2005
nopp 18
Years observed 1998-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.336
ep 0.083
sin(ip) 0.111
G 0.150
H 15.410
Mass
D 1.96 0.351
pV 0.241 0.0982
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.960
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
2.3359 0.0832 0.1109 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.96 0.351 0.351 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.241 0.0982 0.0982 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
15.41 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 0.660 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT