2008 SF137

2008SF137, 1978 WM21, 1978WM21, 1978 WW21, 1978WW21, J78W21M, J78W21W, K08SD7F, R4502

All data for this body: [vot]

MPC data
Name (number) 2008 SF137 (274502)
a 2.62771
e 0.17716
i / sin(i) 12.2461 / 0.21211
q 2.16218
Q 3.09324
ω 141.7670
Node 221.9857
m 346.5755
n 0.2314
Epoch 2460800.5
nobs 577
nopp 18
Years observed 1978-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.627
ep 0.141
sin(ip) 0.224
G 0.150
H 15.630
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.422
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.0700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6275 0.1410 0.2242 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
15.63 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 0.737 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT