1981 EK30

1981EK30, 1998 AR11, 1998AR11, 39500, J81E30K, J98A11R

All data for this body: [vot]

MPC data
Name (number) 1981 EK30 (39500)
a 2.29547
e 0.10035
i / sin(i) 6.1192 / 0.10660
q 2.06512
Q 2.52583
ω 4.9247
Node 262.0709
m 176.1498
n 0.2834
Epoch 2460800.5
nobs 1183
nopp 22
Years observed 1981-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.294
ep 0.097
sin(ip) 0.117
G 0.150
H 16.090
Mass
D
pV
Value
Rotational Period 2.890
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2942 0.0969 0.1172 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
16.09 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.89007 2 Synodic Pal 2020ApJS..247...26P Lightcurve