Williammurdoch

06012, 1977 KU1, 1977KU1, 1990 SK4, 1990SK4, J77K01U, J90S04K

All data for this body: [vot]

MPC data
Name (number) Williammurdoch (6012)
a 2.63157
e 0.34450
i / sin(i) 18.2475 / 0.31312
q 1.72500
Q 3.53814
ω 251.6578
Node 62.6016
m 41.7076
n 0.2309
Epoch 2460800.5
nobs 5399
nopp 26
Years observed 1977-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.634
ep 0.234
sin(ip) 0.322
G 0.150
H 13.300
Mass
D 6.23 0.370
pV 0.238 0.0524
Value
Rotational Period 2.800
Period quality 2
Spectral Class S
Spectral Class Score 4.846
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6337 0.2345 0.3223 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.23 0.370 0.370 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.238 0.0524 0.0524 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
13.30 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.89 2 Synodic Skiff 2019MPBu...46..458S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.641 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT