AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1987YR1 ∴ Orbital info ∴ Epoch epochXXX

(19128) 1987YR1 ▹

ORBITAL INFORMATION

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(ASCII data file 19128.eq0)

Keplerian elements at epoch
57923.4 MJD
	Value	1-σ variation	Units
a	2.71596	1.289e-08	au
e	0.18937	3.338e-08
i	13.899	5.475e-06	deg
Ω	226.51	1.768e-05	deg
ω	245.494	2.349e-05	deg
M	194.483	1.497e-05	deg

Other useful info
Absolute Magnitude (H)	14.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2016	au
Aphelion	3.2303	au
Asc. node-Earth separation	1.8329	au
Desc. node-Earth separation	1.43627	au
Earth MOID	1.25728	au
Orbital period	1634.87	days
Date of orbit computation	apr 23 19:50

Correlation matrix
1.00000000	0.02314537	0.02367841	-0.00492558	-0.07017796	0.11310708
0.02314537	1.00000000	-0.00237709	0.00390606	0.07409694	-0.09967467
0.02367841	-0.00237709	1.00000000	-0.33981170	0.25438792	-0.00959660
-0.00492558	0.00390606	-0.33981170	1.00000000	-0.73247092	0.00343734
-0.07017796	0.07409694	0.25438792	-0.73247092	1.00000000	-0.66853494
0.11310708	-0.09967467	-0.00959660	0.00343734	-0.66853494	1.00000000

Covariance matrix
1.66105267E-16	9.95743152E-18	1.67075447E-15	-1.12215220E-15	-2.12417892E-14	2.18159799E-14
9.95743152E-18	1.11425092E-15	-4.34416060E-16	2.30480057E-15	5.80885383E-14	-4.97931415E-14
1.67075447E-15	-4.34416060E-16	2.99734573E-11	-3.28859023E-11	3.27087231E-11	-7.86283336E-13
-1.12215220E-15	2.30480057E-15	-3.28859023E-11	3.12468342E-10	-3.04082955E-10	9.09324297E-13
-2.12417892E-14	5.80885383E-14	3.27087231E-11	-3.04082955E-10	5.51565835E-10	-2.34971943E-10
2.18159799E-14	-4.97931415E-14	-7.86283336E-13	9.09324297E-13	-2.34971943E-10	2.23968238E-10