1999 HE1

1999HE1, J99H01E, N4061

All data for this body: [vot]

MPC data
Name (number) 1999 HE1 (234061)
a 2.36109
e 0.57234
i / sin(i) 8.1645 / 0.14202
q 1.00974
Q 3.71245
ω 221.9797
Node 65.7963
m 230.1835
n 0.2717
Epoch 2460200.5
nobs 394
nopp 7
Years observed 1999-2021
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 17.690
Mass
D 2.90 0.018
pV 0.019 0.0030
Rotational Period
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.90 0.018 0.018 Mainzer 2011ApJ...743..156M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.019 0.0030 0.0030 Mainzer 2011ApJ...743..156M 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
17.69 MPC-2023-12-04 MPC-2023-12-04 Phot