1981 EC33

1981EC33, 1999 DD1, 1999DD1, 29111, J81E33C, J99D01D

All data for this body: [vot]

MPC data
Name (number) 1981 EC33 (29111)
a 2.36109
e 0.17137
i / sin(i) 4.7175 / 0.08224
q 1.95647
Q 2.76571
ω 151.9736
Node 299.1491
m 124.7242
n 0.2717
Epoch 2460800.5
nobs 1007
nopp 18
Years observed 1981-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.361
ep 0.188
sin(ip) 0.094
G 0.150
H 16.260
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3612 0.1881 0.0937 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
16.26 MPC-2023-12-04 MPC-2023-12-04 Phot