Stevekerr

1998 QE4, 1998QE4, 40104, J98Q04E

All data for this body: [vot]

MPC data
Name (number) Stevekerr (40104)
a 2.99319
e 0.08344
i / sin(i) 10.7423 / 0.18639
q 2.74344
Q 3.24294
ω 217.4208
Node 113.0113
m 65.7143
n 0.1903
Epoch 2460800.5
nobs 3013
nopp 23
Years observed 1998-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.993
ep 0.064
sin(ip) 0.166
G 0.150
H 13.340
Mass
D 8.83 0.081
pV 0.130 0.0258
Value
Rotational Period 4.470
Period quality 2
Spectral Class S
Spectral Class Score 7.823
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.5200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9929 0.0643 0.1663 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.83 0.081 0.081 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.130 0.0258 0.0258 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
13.34 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.475 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
4.475241 2 Sidereal Durech 2016A&A...587A..48D Model
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 0.43 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8272 0.8272 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT