1997 WM

1997WM, 2000 LY22, 2000LY22, 29488, J97W00M, K00L22Y

All data for this body: [vot]

MPC data
Name (number) 1997 WM (29488)
a 2.79071
e 0.11683
i / sin(i) 13.0807 / 0.22632
q 2.46468
Q 3.11674
ω 272.0907
Node 252.8938
m 232.1839
n 0.2114
Epoch 2460800.5
nobs 1844
nopp 22
Years observed 1997-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.792
ep 0.144
sin(ip) 0.249
G 0.150
H 14.250
Mass
D 4.90 1.476
pV 0.203 0.1195
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 13.712
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7919 0.1440 0.2488 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.90 1.476 1.476 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.203 0.1195 0.1195 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
14.25 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 0.279 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.50 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.6123 0.6420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8941 0.6420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT