2009 HE77

2009HE77, K09H77E, O6814

All data for this body: [vot]

MPC data
Name (number) 2009 HE77 (246814)
a 3.26153
e 0.09927
i / sin(i) 5.7835 / 0.10077
q 2.93777
Q 3.58529
ω 134.3656
Node 150.1859
m 95.1139
n 0.1673
Epoch 2460200.5
nobs 450
nopp 17
Years observed 1996-2023
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.232
ep 0.121
sin(ip) 0.091
Value Standard error
G 0.150
H 15.740
Mass
D 4.12 0.475
pV 0.072 0.0348
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2322 0.1209 0.0907 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.12 0.475 0.475 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.072 0.0348 0.0348 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
15.74 MPC-2023-12-04 MPC-2023-12-04 Phot