Williamholden

09340, 1991 LW1, 1991LW1, 1992 SB26, 1992SB26, J91L01W, J92S26B

All data for this body: [vot]

MPC data
Name (number) Williamholden (9340)
a 3.19605
e 0.15317
i / sin(i) 2.2674 / 0.03956
q 2.70651
Q 3.68559
ω 147.4941
Node 103.8867
m 323.8612
n 0.1725
Epoch 2460800.5
nobs 3226
nopp 26
Years observed 1991-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.212
ep 0.156
sin(ip) 0.018
G 0.150
H 13.230
Mass
D
pV
Value
Rotational Period 202.110
Period quality 2
Spectral Class B
Spectral Class Score 4.770
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 0.8000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2120 0.1559 0.0182 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
13.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
202.112 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.795 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT