Jamessimpson

12679, 1981 EK22, 1981EK22, J81E22K

All data for this body: [vot]

MPC data
Name (number) Jamessimpson (12679)
a 2.92153
e 0.05597
i / sin(i) 0.7468 / 0.01303
q 2.75802
Q 3.08503
ω 257.0493
Node 267.6905
m 316.2201
n 0.1974
Epoch 2460800.5
nobs 1571
nopp 24
Years observed 1981-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.919
ep 0.092
sin(ip) 0.034
G 0.150
H 14.630
Mass
D 4.71 0.234
pV 0.139 0.0380
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 23.754
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9194 0.0922 0.0340 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.71 0.234 0.234 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.139 0.0380 0.0380 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
14.63 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.84 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.7536 0.8620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7989 0.8620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8014 0.8620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9918 0.8620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1887 0.8620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT