2004 WC9

2004WC9, J8443, K04W09C

All data for this body: [vot]

MPC data
Name (number) 2004 WC9 (198443)
a 2.78754
e 0.14777
i / sin(i) 8.4910 / 0.14766
q 2.37563
Q 3.19945
ω 173.8273
Node 287.1813
m 108.9972
n 0.2118
Epoch 2460800.5
nobs 879
nopp 16
Years observed 2001-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.787
ep 0.163
sin(ip) 0.162
G 0.150
H 15.490
Mass
D 5.77 0.097
pV 0.049 0.0111
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 4.372
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7867 0.1630 0.1622 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.77 0.097 0.097 Masiero 2011ApJ...741...68M NEATM
6.02 2.060 2.060 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.037 0.0220 0.0550 Masiero 2021PSJ.....2..162M NEATM
0.050 0.0116 0.0116 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
15.49 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
B B 0.3238 0.3450 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.4048 0.3450 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.33 Bus VIS Carvano 2010A&A...510A..43C PHOT