1998 ST131

1998ST131, 1985 SS2, 1985SS2, 1991 PR29, 1991PR29, 1994 NQ10, 1994NQ10, 28135, J85S02S, J91P29R, J94N10Q, J98SD1T

All data for this body: [vot]

MPC data
Name (number) 1998 ST131 (28135)
a 2.18368
e 0.12266
i / sin(i) 4.9231 / 0.08582
q 1.91583
Q 2.45152
ω 257.0969
Node 291.9403
m 283.1625
n 0.3054
Epoch 2460800.5
nobs 3392
nopp 22
Years observed 1985-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.182
ep 0.183
sin(ip) 0.101
G 0.150
H 14.410
Mass
D 3.24 0.525
pV 0.475 0.0976
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.640
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1823 0.1831 0.1009 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.24 0.525 0.525 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.475 0.0976 0.0976 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
14.41 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
LS 0.68 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.7734 0.7734 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT