1998 KE54

1998KE54, 2019 EY3, 2019EY3, 38012, J98K54E, K19E03Y

All data for this body: [vot]

MPC data
Name (number) 1998 KE54 (38012)
a 2.60219
e 0.16387
i / sin(i) 16.1161 / 0.27759
q 2.17577
Q 3.02861
ω 142.0872
Node 147.7004
m 119.5284
n 0.2348
Epoch 2460800.5
nobs 2051
nopp 20
Years observed 1998-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.602
ep 0.138
sin(ip) 0.268
G 0.150
H 14.710
Mass
D 2.75 0.649
pV 0.337 0.1430
Value
Rotational Period 2.600
Period quality 2
Spectral Class S
Spectral Class Score 5.819
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6020 0.1379 0.2678 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.75 0.649 0.649 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.337 0.1430 0.1430 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
14.71 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.67 2 Synodic Chang 2015ApJS..219...27C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.9698 0.9698 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT