2000 HP57

2000HP57, 1998 XD52, 1998XD52, 54171, J98X52D, K00H57P

All data for this body: [vot]

MPC data
Name (number) 2000 HP57 (54171)
a 2.37108
e 0.05852
i / sin(i) 9.4566 / 0.16430
q 2.23232
Q 2.50984
ω 294.6245
Node 56.2865
m 182.1890
n 0.2700
Epoch 2460800.5
nobs 1750
nopp 18
Years observed 1998-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.372
ep 0.014
sin(ip) 0.152
G 0.150
H 15.400
Mass
D 2.97 0.379
pV 0.167 0.0496
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3716 0.0144 0.1524 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.97 0.379 0.379 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.167 0.0496 0.0496 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
15.40 MPC-2023-12-04 MPC-2023-12-04 Phot