1981QD4

16394, 1992CN1, 1996CG2, 1998TO32, J81Q04D, J92C01N, J96C02G, J98T32O

All data for this body: [vot]

MPC data
Name (number) 1981QD4 (16394)
Packed designation 16394
a 2.58100
e 0.05566
i / sin(i) 13.6733 / 0.23639
q 2.43733
Q 2.72466
ω 280.9944
Node 328.5275
m 342.4801
n 0.2377
Epoch 2459600.5
nobs 2576
nopp 21
Years observed 1981-2021
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.582
ep 0.071
sin(ip) 0.247
Value Standard error
G 0.150
H 13.230
Mass
D 7.36 0.180
pV 0.236 0.0251
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5815 0.0711 0.2467 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.04 0.218 0.218 Masiero 2011ApJ...741...68M NEATM
8.05 0.320 0.320 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.172 0.0360 0.0360 Masiero 2012ApJ...759L...8M NEATM
0.297 0.0349 0.0349 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
13.23 MPC-2022-01-18 MPC-2022-01-18 Phot