1981ES31

16384, 1999JX94, J81E31S, J99J94X

All data for this body: [vot]

MPC data
Name (number) 1981ES31 (16384)
Packed designation 16384
a 3.22124
e 0.01828
i / sin(i) 13.8333 / 0.23910
q 3.16236
Q 3.28011
ω 187.4129
Node 170.6214
m 208.2361
n 0.1705
Epoch 2459600.5
nobs 1420
nopp 22
Years observed 1981-2021
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.218
ep 0.025
sin(ip) 0.234
Value Standard error
G 0.150
H 13.930
Mass
D 9.01 0.078
pV 0.079 0.0058
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2181 0.0255 0.2344 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.96 0.215 0.215 Masiero 2011ApJ...741...68M NEATM
9.01 0.084 0.084 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.079 0.0062 0.0062 Masiero 2011ApJ...741...68M NEATM
0.080 0.0154 0.0154 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
13.93 MPC-2022-01-18 MPC-2022-01-18 Phot