Vokrouhlicky

07631, 1975 BJ, 1975BJ, 1981 WH, 1981WH, J75B00J, J81W00H

All data for this body: [vot]

MPC data
Name (number) Vokrouhlicky (7631)
a 2.37163
e 0.28255
i / sin(i) 4.0324 / 0.07032
q 1.70152
Q 3.04174
ω 273.9436
Node 136.1093
m 320.3044
n 0.2699
Epoch 2460800.5
nobs 5508
nopp 26
Years observed 1953-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.375
ep 0.266
sin(ip) 0.071
G 0.150
H 14.150
Mass
D 4.36 0.140
pV 0.266 0.0228
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.887
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3748 0.2663 0.0708 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.72 0.880 0.880 Nugent 2016AJ....152...63N NEATM
3.83 0.200 0.200 Masiero 2012ApJ...759L...8M NEATM
4.92 0.200 0.200 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.242 0.0258 0.0258 Masiero 2011ApJ...741...68M NEATM
0.280 0.1400 0.1400 Nugent 2016AJ....152...63N NEATM
0.363 0.0520 0.0520 Masiero 2012ApJ...759L...8M 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
14.15 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 S 0.9812 0.9812 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT