Kevinrighter

07454, 1981 EW20, 1981EW20, 1989 VU5, 1989VU5, J81E20W, J89V05U

All data for this body: [vot]

MPC data
Name (number) Kevinrighter (7454)
a 3.15598
e 0.15190
i / sin(i) 0.8908 / 0.01555
q 2.67659
Q 3.63536
ω 308.3679
Node 13.5610
m 163.7990
n 0.1758
Epoch 2460800.5
nobs 2755
nopp 28
Years observed 1978-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.160
ep 0.131
sin(ip) 0.025
G 0.150
H 13.570
Mass
D 11.59 0.113
pV 0.059 0.0054
Value
Rotational Period 4.000
Period quality 2-
Spectral Class C
Spectral Class Score 5.922
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.2300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1596 0.1314 0.0246 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.28 0.191 0.191 Masiero 2011ApJ...741...68M NEATM
11.75 0.140 0.140 Masiero 2012ApJ...759L...8M NEATM
12.15 3.490 3.490 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.052 0.0580 0.0580 Masiero 2020PSJ.....1....5M NEATM
0.056 0.0060 0.0060 Masiero 2012ApJ...759L...8M NEATM
0.073 0.0124 0.0124 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
13.57 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.01 2- Synodic Clark 2014MPBu...41..178C Lightcurve
5.4 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
C 0.987000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT