1998 WM6

1998WM6, 1991 PB6, 1991PB6, 31364, J91P06B, J98W06M

All data for this body: [vot]

MPC data
Name (number) 1998 WM6 (31364)
a 2.16439
e 0.06857
i / sin(i) 2.5688 / 0.04482
q 2.01598
Q 2.31281
ω 201.0712
Node 92.8786
m 235.7893
n 0.3095
Epoch 2460800.5
nobs 1777
nopp 19
Years observed 1991-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.165
ep 0.042
sin(ip) 0.042
G 0.150
H 16.260
Mass
D 1.78 0.366
pV 0.291 0.1054
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.251
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1648 0.0424 0.0420 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.78 0.366 0.366 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.291 0.1054 0.1054 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
16.26 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
Q 0.40 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.0112 0.8630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8640 0.8630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT