1981 ES39

1981ES39, 90695, J81E39S

All data for this body: [vot]

MPC data
Name (number) 1981 ES39 (90695)
a 3.00077
e 0.17207
i / sin(i) 1.3851 / 0.02417
q 2.48444
Q 3.51711
ω 177.6507
Node 278.1101
m 237.4654
n 0.1896
Epoch 2460800.5
nobs 1111
nopp 20
Years observed 1979-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.001
ep 0.174
sin(ip) 0.044
G 0.150
H 15.320
Mass
D 5.34 0.224
pV 0.068 0.0152
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0011 0.1738 0.0442 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.34 0.224 0.224 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.068 0.0152 0.0152 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
15.32 MPC-2023-12-04 MPC-2023-12-04 Phot