NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2015HQ9 ∴ Orbital info ∴ Epoch 57131 MJD

2015HQ9 ▹

ORBITAL INFORMATION

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(ASCII data file 2015HQ9.eq0)

Keplerian elements
(Epoch 57131.6 MJD)
	Value	1-σ variation	Units
a	1.61375	0.1219	au
e	0.442874	0.04607
i	4.017	0.3773	deg
Ω	211.282	0.09852	deg
ω	287.48	0.1526	deg
M	28.12	3.639	deg

Other useful info
Absolute Magnitude (H)	27.0	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.8991	au
Aphelion distance	2.3284	au
Asc. node-Earth separation	0.14005	au
Desc. node-Earth separation	0.49973	au
Earth MOID	0.02883	au
Orbital period	748.779	days
Date of orbit computation	feb 26 11:25

Covariance matrix
1.48522650E-02	5.61494366E-03	4.59828843E-02	-1.20062818E-02	1.81612487E-02	-4.43466644E-01
5.61494366E-03	2.12277590E-03	1.73836351E-02	-4.53889805E-03	6.86030083E-03	-1.67653198E-01
4.59828843E-02	1.73836351E-02	1.42367692E-01	-3.71730012E-02	5.62909966E-02	-1.37298880E+00
-1.20062818E-02	-4.53889805E-03	-3.71730012E-02	9.70612599E-03	-1.47027598E-02	3.58492499E-01
1.81612487E-02	6.86030083E-03	5.62909966E-02	-1.47027598E-02	2.32766235E-02	-5.42402563E-01
-4.43466644E-01	-1.67653198E-01	-1.37298880E+00	3.58492499E-01	-5.42402563E-01	1.32412744E+01

Correlation matrix
1.00000000	0.99999306	0.99998651	-0.99997519	0.97676338	-0.99999936
0.99999306	1.00000000	0.99996040	-0.99994334	0.97595793	-0.99998820
0.99998651	0.99996040	1.00000000	-0.99999756	0.97785222	-0.99999166
-0.99997519	-0.99994334	-0.99999756	1.00000000	-0.97817354	0.99998208
0.97676338	0.97595793	0.97785222	-0.97817354	1.00000000	-0.97700514
-0.99999936	-0.99998820	-0.99999166	0.99998208	-0.97700514	1.00000000