1998 QG40

1998QG40, 1993 FJ43, 1993FJ43, 44245, J93F43J, J98Q40G

All data for this body: [vot]

MPC data
Name (number) 1998 QG40 (44245)
a 2.57666
e 0.23791
i / sin(i) 8.1711 / 0.14213
q 1.96365
Q 3.18968
ω 120.2858
Node 176.7847
m 187.3046
n 0.2383
Epoch 2460800.5
nobs 1671
nopp 22
Years observed 1990-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.577
ep 0.213
sin(ip) 0.147
G 0.150
H 15.020
Mass
D 5.48 0.108
pV 0.076 0.0085
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5770 0.2132 0.1472 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.12 0.280 0.280 Masiero 2012ApJ...759L...8M NEATM
5.23 1.570 1.570 Masiero 2021PSJ.....2..162M NEATM
5.31 1.240 1.240 Masiero 2020PSJ.....1....5M NEATM
5.55 0.118 0.118 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.069 0.0360 0.0360 Masiero 2020PSJ.....1....5M NEATM
0.071 0.0320 0.0590 Masiero 2021PSJ.....2..162M NEATM
0.073 0.0115 0.0115 Masiero 2011ApJ...741...68M NEATM
0.081 0.0140 0.0140 Masiero 2012ApJ...759L...8M 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
15.02 MPC-2023-12-04 MPC-2023-12-04 Phot