1990 WB4

1990WB4, 09039, 1995 UH3, 1995UH3, J90W04B, J95U03H

All data for this body: [vot]

MPC data
Name (number) 1990 WB4 (9039)
a 3.01261
e 0.07539
i / sin(i) 9.5883 / 0.16657
q 2.78551
Q 3.23972
ω 209.1562
Node 269.9226
m 162.6231
n 0.1885
Epoch 2460800.5
nobs 4294
nopp 26
Years observed 1990-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.011
ep 0.095
sin(ip) 0.187
G 0.150
H 12.460
Mass
D 11.05 0.296
pV 0.209 0.0264
Value
Rotational Period 11.100
Period quality 1
Spectral Class S
Spectral Class Score 3.096
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0114 0.0954 0.1866 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.05 0.296 0.296 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.209 0.0264 0.0264 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
12.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.17 1 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
S 0.516 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT