1998 QG39

1998QG39, 1996 EC9, 1996EC9, A0993, J96E09C, J98Q39G

All data for this body: [vot]

MPC data
Name (number) 1998 QG39 (100993)
a 2.69968
e 0.30712
i / sin(i) 8.9037 / 0.15477
q 1.87054
Q 3.52881
ω 11.3801
Node 344.2454
m 224.9358
n 0.2222
Epoch 2460200.5
nobs 1222
nopp 18
Years observed 1996-2023
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.701
ep 0.254
sin(ip) 0.152
Value Standard error
G 0.150
H 15.130
Mass
D 4.24 0.715
pV 0.096 0.0285
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7015 0.2542 0.1521 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.10 0.800 0.800 Masiero 2021PSJ.....2..162M NEATM
4.78 1.592 1.592 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.093 0.0489 0.0489 Masiero 2011ApJ...741...68M NEATM
0.097 0.0290 0.0410 Masiero 2021PSJ.....2..162M 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
15.13 MPC-2023-12-04 MPC-2023-12-04 Phot