2001 HW2

2001HW2, 72821, K01H02W

All data for this body: [vot]

MPC data
Name (number) 2001 HW2 (72821)
a 2.78369
e 0.04737
i / sin(i) 3.8787 / 0.06764
q 2.65184
Q 2.91555
ω 26.3614
Node 215.5700
m 265.5402
n 0.2122
Epoch 2460200.5
nobs 805
nopp 20
Years observed 1993-2023
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.785
ep 0.068
sin(ip) 0.072
Value Standard error
G 0.150
H 15.480
Mass
D 4.69 0.149
pV 0.051 0.0094
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7849 0.0675 0.0721 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.69 0.149 0.149 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.051 0.0094 0.0094 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
15.48 MPC-2023-12-04 MPC-2023-12-04 Phot