1998 HC98

1998HC98, 13237, 1989 TR15, 1989TR15, 1992 PO5, 1992PO5, J89T15R, J92P05O, J98H98C

All data for this body: [vot]

MPC data
Name (number) 1998 HC98 (13237)
a 2.15613
e 0.21642
i / sin(i) 5.1568 / 0.08988
q 1.68949
Q 2.62276
ω 287.2721
Node 2.8303
m 146.4219
n 0.3113
Epoch 2460800.5
nobs 1808
nopp 21
Years observed 1989-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.153
ep 0.151
sin(ip) 0.078
G 0.150
H 15.670
Mass
D 4.44 0.165
pV 0.068 0.0134
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1527 0.1509 0.0778 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.02 0.720 0.720 Masiero 2020PSJ.....1....5M NEATM
4.08 0.940 0.940 Masiero 2021PSJ.....2..162M NEATM
4.11 0.940 0.940 Masiero 2020PSJ.....1....5M NEATM
4.49 0.175 0.175 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0240 0.0240 Masiero 2020PSJ.....1....5M NEATM
0.067 0.0290 0.0520 Masiero 2021PSJ.....2..162M NEATM
0.072 0.0490 0.0490 Masiero 2020PSJ.....1....5M NEATM
0.073 0.0190 0.0190 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
15.67 MPC-2023-12-04 MPC-2023-12-04 Phot