1989 WC

1989WC, 06387, 1978 ED9, 1978ED9, J78E09D, J89W00C

All data for this body: [vot]

MPC data
Name (number) 1989 WC (6387)
a 2.62286
e 0.15396
i / sin(i) 1.6172 / 0.02822
q 2.21903
Q 3.02669
ω 153.8657
Node 279.8813
m 115.9653
n 0.2320
Epoch 2460800.5
nobs 4097
nopp 26
Years observed 1978-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.623
ep 0.143
sin(ip) 0.047
G 0.150
H 13.710
Mass
D 5.30 0.238
pV 0.362 0.0406
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.698
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6230 0.1433 0.0467 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.30 0.238 0.238 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.362 0.0406 0.0406 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
13.71 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 0.783 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT