AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2017HS21 ∴ Orbital info ∴ Epoch epochXXX

(639671) 2017HS21 ▹

ORBITAL INFORMATION

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(ASCII data file 639671.eq0)

Keplerian elements at epoch
58454.9 MJD
	Value	1-σ variation	Units
a	3.14041	4.175e-08	au
e	0.129043	6.984e-08
i	5.619	7.353e-06	deg
Ω	141.249	7.337e-05	deg
ω	64.798	7.997e-05	deg
M	97.392	2.885e-05	deg

Other useful info
Absolute Magnitude (H)	16.8	mag
Slope parameter (G)	0.15	mag
Perihelion	2.7352	au
Aphelion	3.5457	au
Asc. node-Earth separation	1.93999	au
Desc. node-Earth separation	2.25409	au
Earth MOID	1.73652	au
Orbital period	2032.73	days
Date of orbit computation	apr 23 22:03

Correlation matrix
1.00000000	-0.15811991	0.00774109	-0.00567928	-0.02979119	0.08422164
-0.15811991	1.00000000	-0.00570581	0.01282185	0.00883050	-0.00015467
0.00774109	-0.00570581	1.00000000	0.14491739	-0.13107819	-0.00162657
-0.00567928	0.01282185	0.14491739	1.00000000	-0.91457585	0.00358852
-0.02979119	0.00883050	-0.13107819	-0.91457585	1.00000000	-0.40167623
0.08422164	-0.00015467	-0.00162657	0.00358852	-0.40167623	1.00000000

Covariance matrix
1.74309705E-15	-4.61026832E-16	2.37649452E-15	-1.73960583E-14	-9.94617839E-14	1.01436053E-13
-4.61026832E-16	4.87705552E-15	-2.93001575E-15	6.56941203E-14	4.93141812E-14	-3.11595106E-16
2.37649452E-15	-2.93001575E-15	5.40689222E-11	7.81792244E-11	-7.70747252E-11	-3.45027427E-13
-1.73960583E-14	6.56941203E-14	7.81792244E-11	5.38262374E-09	-5.36567575E-09	7.59487901E-12
-9.94617839E-14	4.93141812E-14	-7.70747252E-11	-5.36567575E-09	6.39462915E-09	-9.26598705E-10
1.01436053E-13	-3.11595106E-16	-3.45027427E-13	7.59487901E-12	-9.26598705E-10	8.32177089E-10