1998 SW134

1998SW134, 2000 CH21, 2000CH21, 44409, J98SD4W, K00C21H

All data for this body: [vot]

MPC data
Name (number) 1998 SW134 (44409)
a 2.74639
e 0.07788
i / sin(i) 7.7034 / 0.13404
q 2.53250
Q 2.96028
ω 201.2997
Node 182.0362
m 299.6313
n 0.2166
Epoch 2460800.5
nobs 1685
nopp 23
Years observed 1991-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.746
ep 0.044
sin(ip) 0.134
G 0.150
H 14.960
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.531
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7461 0.0440 0.1344 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.96 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
L S 0.4161 0.4210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6043 0.4210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6508 0.4210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT