2001 HP42

2001HP42, 1998 MR20, 1998MR20, 82208, J98M20R, K01H42P

All data for this body: [vot]

MPC data
Name (number) 2001 HP42 (82208)
a 2.17483
e 0.19558
i / sin(i) 4.9851 / 0.08690
q 1.74947
Q 2.60019
ω 191.0868
Node 107.0027
m 113.2492
n 0.3073
Epoch 2460800.5
nobs 1030
nopp 20
Years observed 1994-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.174
ep 0.138
sin(ip) 0.077
G 0.150
H 16.580
Mass
D 2.41 0.415
pV 0.087 0.0362
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora -0.0800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1742 0.1384 0.0769 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.27 0.480 0.480 Masiero 2020PSJ.....1....5M NEATM
2.83 0.823 0.823 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.073 0.0608 0.0608 Masiero 2011ApJ...741...68M NEATM
0.094 0.0450 0.0450 Masiero 2020PSJ.....1....5M 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
16.58 MPC-2023-12-04 MPC-2023-12-04 Phot