1998 HK8

1998HK8, 17828, 1997 EN40, 1997EN40, J97E40N, J98H08K

All data for this body: [vot]

MPC data
Name (number) 1998 HK8 (17828)
a 2.96938
e 0.08654
i / sin(i) 0.6081 / 0.01061
q 2.71240
Q 3.22636
ω 2.6153
Node 3.1581
m 201.1014
n 0.1926
Epoch 2460200.5
nobs 2081
nopp 22
Years observed 1995-2023
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.968
ep 0.054
sin(ip) 0.024
Value Standard error
G 0.150
H 14.240
Mass
D 4.41 0.178
pV 0.109 0.0157
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9677 0.0537 0.0238 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.41 0.178 0.178 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.109 0.0157 0.0157 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
14.24 MPC-2023-12-04 MPC-2023-12-04 Phot