1998 HP123

1998HP123, 40012, J98HC3P

All data for this body: [vot]

MPC data
Name (number) 1998 HP123 (40012)
a 2.54327
e 0.19199
i / sin(i) 8.9157 / 0.15498
q 2.05499
Q 3.03154
ω 142.3365
Node 98.5773
m 228.3695
n 0.2430
Epoch 2460800.5
nobs 1325
nopp 22
Years observed 1991-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.543
ep 0.200
sin(ip) 0.138
G 0.150
H 15.410
Mass
D 2.67 0.121
pV 0.171 0.0391
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5429 0.1999 0.1379 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.67 0.121 0.121 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.171 0.0391 0.0391 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
15.41 MPC-2023-12-04 MPC-2023-12-04 Phot