1998 HG97

1998HG97, 19479, 1987 KA3, 1987KA3, J87K03A, J98H97G

All data for this body: [vot]

MPC data
Name (number) 1998 HG97 (19479)
a 3.12314
e 0.18537
i / sin(i) 5.9232 / 0.10319
q 2.54420
Q 3.70207
ω 261.1608
Node 51.9184
m 133.9839
n 0.1786
Epoch 2460200.5
nobs 2051
nopp 24
Years observed 1987-2023
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.133
ep 0.161
sin(ip) 0.094
Value Standard error
G 0.150
H 13.830
Mass
D 9.12 0.112
pV 0.074 0.0113
Rotational Period 39.085
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1332 0.1612 0.0938 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.21 3.330 3.330 Masiero 2012ApJ...759L...8M NEATM
10.27 3.255 3.255 Masiero 2017AJ....154..168M NEATM
9.11 0.112 0.112 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.045 0.0276 0.0276 Masiero 2017AJ....154..168M NEATM
0.062 0.0720 0.0720 Masiero 2012ApJ...759L...8M NEATM
0.080 0.0126 0.0126 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
13.83 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
39.08 Durech 2018A&A...617A..57D Model