1998 SA140

1998SA140, 2001 FJ138, 2001FJ138, 46974, J98SE0A, K01FD8J

All data for this body: [vot]

MPC data
Name (number) 1998 SA140 (46974)
a 2.58677
e 0.19420
i / sin(i) 12.1215 / 0.20999
q 2.08441
Q 3.08913
ω 78.4200
Node 223.7017
m 198.7036
n 0.2369
Epoch 2460800.5
nobs 1442
nopp 20
Years observed 1994-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.588
ep 0.162
sin(ip) 0.223
G 0.150
H 15.010
Mass
D 2.89 0.173
pV 0.279 0.0926
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 21.709
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia -0.3400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5880 0.1622 0.2225 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.89 0.173 0.173 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.279 0.0926 0.0926 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
15.01 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
D S 0.2463 0.5610 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.951 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.3700 0.5610 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6647 0.5610 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8134 0.5610 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8190 0.5610 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT