AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2009HN21 ∴ Orbital info ∴ Epoch epochXXX

2009HN21 ▹

ORBITAL INFORMATION

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(ASCII data file 2009HN21.eq1)

Keplerian elements at epoch
60600.0 MJD
	Value	1-σ variation	Units
a	1.90412	1.293e-08	au
e	0.018988	1.769e-07
i	21.968	1.549e-05	deg
Ω	23.787	1.781e-05	deg
ω	166.493	0.0001726	deg
M	336.006	0.0001711	deg

Other useful info
Absolute Magnitude (H)	18.2	mag
Slope parameter (G)	0.15	mag
Perihelion	1.868	au
Aphelion	1.9403	au
Asc. node-Earth separation	0.94265	au
Desc. node-Earth separation	0.86795	au
Earth MOID	0.8678	au
Orbital period	959.707	days
Date of orbit computation	Jul 26 18:07

Correlation matrix
1.00000000	-0.56287198	0.02825746	0.03239473	0.01100789	-0.07968026
-0.56287198	1.00000000	-0.06374392	-0.09123813	0.10316948	-0.04260522
0.02825746	-0.06374392	1.00000000	-0.33275417	0.01850879	0.01065068
0.03239473	-0.09123813	-0.33275417	1.00000000	-0.07465836	-0.02263930
0.01100789	0.10316948	0.01850879	-0.07465836	1.00000000	-0.99236607
-0.07968026	-0.04260522	0.01065068	-0.02263930	-0.99236607	1.00000000

Covariance matrix
1.67176932E-16	-1.28727742E-15	5.65909584E-15	7.46065129E-15	2.45698001E-14	-1.76288898E-13
-1.28727742E-15	3.12859025E-14	-1.74638026E-13	-2.87451736E-13	3.15017746E-12	-1.28950560E-12
5.65909584E-15	-1.74638026E-13	2.39911705E-10	-9.18043909E-11	4.94895235E-11	2.82285940E-11
7.46065129E-15	-2.87451736E-13	-9.18043909E-11	3.17269601E-10	-2.29563104E-10	-6.90022378E-11
2.45698001E-14	3.15017746E-12	4.94895235E-11	-2.29563104E-10	2.98001783E-08	-2.93134794E-08
-1.76288898E-13	-1.28950560E-12	2.82285940E-11	-6.90022378E-11	-2.93134794E-08	2.92800671E-08