2009 HK9

2009HK9, 2006 XT35, 2006XT35, K06X35T, K09H09K, U9956

All data for this body: [vot]

MPC data
Name (number) 2009 HK9 (309956)
a 3.13562
e 0.15566
i / sin(i) 12.9981 / 0.22492
q 2.64752
Q 3.62372
ω 225.0442
Node 103.6869
m 225.6413
n 0.1775
Epoch 2460800.5
nobs 323
nopp 15
Years observed 2006-2025
rms 0.91
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.144
ep 0.130
sin(ip) 0.203
G 0.150
H 15.670
Mass
D 4.35 0.244
pV 0.054 0.0070
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1439 0.1296 0.2031 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.35 0.244 0.244 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.054 0.0070 0.0070 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
15.67 MPC-2023-12-04 MPC-2023-12-04 Phot