1998GM9

39970, J98G09M

All data for this body: [vot]

MPC data
Name (number) 1998GM9 (39970)
Packed designation 39970
a 2.44395
e 0.06764
i / sin(i) 19.9506 / 0.34121
q 2.27865
Q 2.60925
ω 107.8013
Node 68.3614
m 102.9608
n 0.2580
Epoch 2459600.5
nobs 1133
nopp 18
Years observed 1980-2021
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.444
ep 0.067
sin(ip) 0.332
Value Standard error
G 0.150
H 15.130
Mass
D 4.21 0.396
pV 0.120 0.0354
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4439 0.0673 0.3322 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.21 0.396 0.396 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.120 0.0354 0.0354 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
15.13 MPC-2022-01-18 MPC-2022-01-18 Phot