NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2009HL21 ∴ Orbital info ∴ Epoch 56002 MJD

2009HL21 ▹

ORBITAL INFORMATION

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(ASCII data file 2009HL21.eq0)

Keplerian elements
(Epoch 56002.2 MJD)
	Value	1-σ variation	Units
a	1.66339	5.544e-09	au
e	0.444568	1.318e-06
i	1.007	9.042e-06	deg
Ω	144.372	0.001846	deg
ω	9.38	0.002048	deg
M	148.449	5.23e-05	deg

Other useful info
Absolute Magnitude (H)	22.4	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.9239	au
Aphelion distance	2.4029	au
Asc. node-Earth separation	-0.05948	au
Desc. node-Earth separation	1.36445	au
Earth MOID	0.00788	au
Orbital period	783.591	days
Date of orbit computation	mag 9 16:16

Covariance matrix
3.07316726E-17	5.99570935E-15	1.46336574E-14	5.09290966E-12	-6.48738224E-12	2.68425262E-13
5.99570935E-15	1.73802997E-12	3.74683308E-12	1.72799543E-09	-2.09839918E-09	6.32684526E-11
1.46336574E-14	3.74683308E-12	8.17551281E-11	1.38616312E-08	-1.46972959E-08	1.53695909E-10
5.09290966E-12	1.72799543E-09	1.38616312E-08	3.40916160E-06	-3.76205136E-06	5.62569180E-08
-6.48738224E-12	-2.09839918E-09	-1.46972959E-08	-3.76205136E-06	4.19609456E-06	-7.07171912E-08
2.68425262E-13	6.32684526E-11	1.53695909E-10	5.62569180E-08	-7.07171912E-08	2.73531061E-09

Correlation matrix
1.00000000	0.82038714	0.29194583	0.49756415	-0.57128623	0.92582086
0.82038714	1.00000000	0.31432449	0.70988854	-0.77702831	0.91760391
0.29194583	0.31432449	1.00000000	0.83029619	-0.79351895	0.32501356
0.49756415	0.70988854	0.83029619	1.00000000	-0.99466834	0.58257094
-0.57128623	-0.77702831	-0.79351895	-0.99466834	1.00000000	-0.66008376
0.92582086	0.91760391	0.32501356	0.58257094	-0.66008376	1.00000000