2001HY4

A8157, K01H04Y

All data for this body: [vot]

MPC data
Name (number) 2001HY4 (108157)
Packed designation A8157
a 2.57597
e 0.17349
i / sin(i) 13.8889 / 0.24004
q 2.12906
Q 3.02287
ω 223.0963
Node 16.2689
m 348.3707
n 0.2384
Epoch 2459600.5
nobs 720
nopp 16
Years observed 1998-2021
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.578
ep 0.193
sin(ip) 0.236
Value Standard error
G 0.150
H 15.550
Mass
D 5.03 0.067
pV 0.048 0.0033
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5780 0.1933 0.2363 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.03 0.067 0.067 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0033 0.0033 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.55 MPC-2022-01-18 MPC-2022-01-18 Phot