1981EC39

16389, 1998FZ13, J81E39C, J98F13Z

All data for this body: [vot]

MPC data
Name (number) 1981EC39 (16389)
Packed designation 16389
a 3.18129
e 0.09908
i / sin(i) 26.0783 / 0.43960
q 2.86609
Q 3.49648
ω 82.2258
Node 178.0605
m 358.5737
n 0.1737
Epoch 2459600.5
nobs 1145
nopp 19
Years observed 1981-2021
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.178
ep 0.097
sin(ip) 0.441
Value Standard error
G 0.150
H 14.100
Mass
D 3.93 0.142
pV 0.179 0.0321
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1784 0.0968 0.4407 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.85 0.176 0.176 Masiero 2011ApJ...741...68M NEATM
4.08 0.241 0.241 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.168 0.0471 0.0471 Masiero 2011ApJ...741...68M NEATM
0.189 0.0438 0.0438 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.10 MPC-2022-01-18 MPC-2022-01-18 Phot