Somekawa

12801, 1983 UD1, 1983UD1, 1987 WK4, 1987WK4, 1987 XB, 1987XB, 1991 TP13, 1991TP13, 1995 XD, 1995XD, J83U01D, J87W04K, J87X00B, J91T13P, J95X00D

All data for this body: [vot]

MPC data
Name (number) Somekawa (12801)
a 2.47103
e 0.12224
i / sin(i) 7.3416 / 0.12779
q 2.16897
Q 2.77309
ω 351.0765
Node 63.7102
m 234.5875
n 0.2537
Epoch 2460800.5
nobs 3311
nopp 25
Years observed 1983-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.471
ep 0.113
sin(ip) 0.111
G 0.150
H 14.490
Mass
D 2.70 0.494
pV 0.556 0.2304
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.788
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
2.4709 0.1132 0.1112 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.70 0.494 0.494 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.556 0.2304 0.2304 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
14.49 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 0.798 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT