1998 WU4

1998WU4, 2000 JZ6, 2000JZ6, 42786, J98W04U, K00J06Z

All data for this body: [vot]

MPC data
Name (number) 1998 WU4 (42786)
a 2.41892
e 0.09907
i / sin(i) 22.2279 / 0.37829
q 2.17928
Q 2.65856
ω 336.3868
Node 193.6350
m 299.1418
n 0.2620
Epoch 2460800.5
nobs 2909
nopp 23
Years observed 1982-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.418
ep 0.197
sin(ip) 0.388
G 0.150
H 14.110
Mass
D 4.82 0.079
pV 0.229 0.0105
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 18.387
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4183 0.1969 0.3880 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.82 0.079 0.079 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.229 0.0105 0.0105 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
14.11 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.97 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.4286 0.9720 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9894 0.9720 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9899 0.9720 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT