AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2009EF21 ∴ Orbital info ∴ Epoch epochXXX

(309902) 2009EF21 ▹

ORBITAL INFORMATION

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(ASCII data file 309902.eq0)

Keplerian elements at epoch
58045.9 MJD
	Value	1-σ variation	Units
a	2.63821	1.88e-08	au
e	0.044581	6.543e-08
i	10.101	5.991e-06	deg
Ω	140.953	3.741e-05	deg
ω	79.942	8.152e-05	deg
M	321.683	7.101e-05	deg

Other useful info
Absolute Magnitude (H)	16.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.5206	au
Aphelion	2.7558	au
Asc. node-Earth separation	1.62468	au
Desc. node-Earth separation	1.64003	au
Earth MOID	1.53607	au
Orbital period	1565.17	days
Date of orbit computation	apr 23 20:55

Correlation matrix
1.00000000	0.03543883	0.00940798	0.00402149	-0.29575818	0.33086619
0.03543883	1.00000000	-0.02488340	-0.00117270	-0.25284525	0.29516212
0.00940798	-0.02488340	1.00000000	0.33294083	-0.15085721	0.00113334
0.00402149	-0.00117270	0.33294083	1.00000000	-0.45552645	0.00421944
-0.29575818	-0.25284525	-0.15085721	-0.45552645	1.00000000	-0.89046168
0.33086619	0.29516212	0.00113334	0.00421944	-0.89046168	1.00000000

Covariance matrix
3.53623478E-16	4.36038953E-17	1.05994283E-15	2.82870253E-15	-4.53392835E-13	4.41822156E-13
4.36038953E-17	4.28105442E-15	-9.75440123E-15	-2.87007656E-15	-1.34864462E-12	1.37138864E-12
1.05994283E-15	-9.75440123E-15	3.58947463E-11	7.46126443E-11	-7.36798735E-11	4.82170615E-13
2.82870253E-15	-2.87007656E-15	7.46126443E-11	1.39913573E-09	-1.38902759E-09	1.12075068E-11
-4.53392835E-13	-1.34864462E-12	-7.36798735E-11	-1.38902759E-09	6.64560767E-09	-5.15474446E-09
4.41822156E-13	1.37138864E-12	4.82170615E-13	1.12075068E-11	-5.15474446E-09	5.04253720E-09