1998 SS156

1998SS156, 1997 GP44, 1997GP44, 59039, J97G44P, J98SF6S

All data for this body: [vot]

MPC data
Name (number) 1998 SS156 (59039)
a 2.10128
e 0.07882
i / sin(i) 1.8271 / 0.03188
q 1.93567
Q 2.26689
ω 43.8932
Node 279.9211
m 307.6879
n 0.3236
Epoch 2460800.5
nobs 1687
nopp 21
Years observed 1992-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.101
ep 0.062
sin(ip) 0.035
G 0.150
H 16.300
Mass
D 1.42 0.143
pV 0.350 0.1174
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 43.075
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1009 0.0624 0.0353 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.42 0.143 0.143 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.350 0.1174 0.1174 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
16.30 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 0.46 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.938 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5330 0.8260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6731 0.8260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8366 0.8260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8456 0.8260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9249 0.8260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9545 0.8260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9868 0.8260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT