AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ Protos ∴ Orbital info ∴ Epoch epochXXX

(52228) Protos ▹

ORBITAL INFORMATION

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(ASCII data file 52228.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	3.20669	2.236e-08	au
e	0.124559	5.223e-08
i	27.932	4.508e-06	deg
Ω	48.205	9.482e-06	deg
ω	332.095	1.85e-05	deg
M	1.698	1.833e-05	deg

Other useful info
Absolute Magnitude (H)	13.6	mag
Slope parameter (G)	0.15	mag
Perihelion	2.8073	au
Aphelion	3.6061	au
Asc. node-Earth separation	1.85448	au
Desc. node-Earth separation	2.5379	au
Earth MOID	1.83356	au
Orbital period	2097.41	days
Date of orbit computation	apr 23 19:57

Correlation matrix
1.00000000	0.14014463	0.01868853	0.00388953	0.13414550	-0.42337887
0.14014463	1.00000000	0.02505287	-0.00999605	-0.05784677	-0.10321574
0.01868853	0.02505287	1.00000000	-0.25357798	0.08777888	0.02135645
0.00388953	-0.00999605	-0.25357798	1.00000000	-0.45263677	0.00530764
0.13414550	-0.05784677	0.08777888	-0.45263677	1.00000000	-0.83480172
-0.42337887	-0.10321574	0.02135645	0.00530764	-0.83480172	1.00000000

Covariance matrix
5.00088028E-16	1.63682163E-16	1.88393846E-15	8.24765690E-16	5.55034503E-14	-1.73537989E-13
1.63682163E-16	2.72774218E-15	5.89830892E-15	-4.95040111E-15	-5.58986629E-14	-9.88074599E-14
1.88393846E-15	5.89830892E-15	2.03206019E-11	-1.08390199E-11	7.32114472E-12	1.76457250E-12
8.24765690E-16	-4.95040111E-15	-1.08390199E-11	8.99125614E-11	-7.94110002E-11	9.22473596E-13
5.55034503E-14	-5.58986629E-14	7.32114472E-12	-7.94110002E-11	3.42327122E-10	-2.83104085E-10
-1.73537989E-13	-9.88074599E-14	1.76457250E-12	9.22473596E-13	-2.83104085E-10	3.35957465E-10