1981 EL31

1981EL31, 2002 JA63, 2002JA63, 73663, J81E31L, K02J63A

All data for this body: [vot]

MPC data
Name (number) 1981 EL31 (73663)
a 2.28249
e 0.11132
i / sin(i) 5.8726 / 0.10232
q 2.02841
Q 2.53658
ω 26.7053
Node 166.8659
m 278.3289
n 0.2858
Epoch 2460800.5
nobs 1509
nopp 21
Years observed 1981-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.282
ep 0.161
sin(ip) 0.106
G 0.150
H 15.950
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 10.485
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
298 Baptistina 0 Baptistina Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.3000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
298 Baptistina 403 Baptistina 0.5400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2823 0.1611 0.1063 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.95 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
LS 0.42 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.6938 0.7060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7203 0.7060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT