1998 QM91

1998QM91, 74154, J98Q91M

All data for this body: [vot]

MPC data
Name (number) 1998 QM91 (74154)
a 2.73916
e 0.13703
i / sin(i) 12.5986 / 0.21812
q 2.36382
Q 3.11449
ω 6.5432
Node 351.8959
m 199.7178
n 0.2174
Epoch 2460200.5
nobs 1235
nopp 18
Years observed 1998-2023
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.738
ep 0.109
sin(ip) 0.218
Value Standard error
G 0.150
H 14.850
Mass
D 4.24 0.546
pV 0.170 0.0838
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7383 0.1089 0.2184 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.24 0.577 0.577 Masiero 2011ApJ...741...68M NEATM
4.25 1.674 1.674 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.170 0.1307 0.1307 Masiero 2011ApJ...741...68M NEATM
0.171 0.1092 0.1092 Masiero 2011ApJ...741...68M 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
14.85 MPC-2023-12-04 MPC-2023-12-04 Phot