1998 KS54

1998KS54, 40068, J98K54S

All data for this body: [vot]

MPC data
Name (number) 1998 KS54 (40068)
a 2.57206
e 0.07380
i / sin(i) 7.6234 / 0.13266
q 2.38223
Q 2.76189
ω 53.5041
Node 154.5407
m 229.5887
n 0.2389
Epoch 2460800.5
nobs 2085
nopp 21
Years observed 1998-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.570
ep 0.108
sin(ip) 0.126
G 0.150
H 14.840
Mass
D 3.22 0.087
pV 0.303 0.0476
Value
Rotational Period 2.300
Period quality
Spectral Class S
Spectral Class Score 11.532
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5704 0.1077 0.1256 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.98 0.561 0.561 Masiero 2011ApJ...741...68M NEATM
3.23 0.088 0.088 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.295 0.0525 0.0525 Masiero 2011ApJ...741...68M NEATM
0.345 0.1135 0.1135 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
14.84 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.37 Synodic Erasmus 2018ApJS..237...19E Lightcurve
2.37 Synodic Erasmus 2019ApJS..242...15E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.959000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT
S 0.963000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT