AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2001YD18 ∴ Orbital info ∴ Epoch epochXXX

(194738) 2001YD18 ▹

ORBITAL INFORMATION

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(ASCII data file 194738.eq0)

Keplerian elements at epoch
57587.9 MJD
	Value	1-σ variation	Units
a	2.357	1.127e-08	au
e	0.135595	3.87e-08
i	0.612	4.14e-06	deg
Ω	271.477	0.0004899	deg
ω	197.779	0.0004906	deg
M	0.495	2.281e-05	deg

Other useful info
Absolute Magnitude (H)	16.9	mag
Slope parameter (G)	0.15	mag
Perihelion	2.0374	au
Aphelion	2.6766	au
Asc. node-Earth separation	1.6407	au
Desc. node-Earth separation	1.06698	au
Earth MOID	1.05574	au
Orbital period	1321.72	days
Date of orbit computation	apr 23 20:30

Correlation matrix
1.00000000	-0.04582363	-0.00713950	-0.00468102	0.02648260	-0.45634192
-0.04582363	1.00000000	-0.01092424	0.00988836	-0.00082749	-0.15228049
-0.00713950	-0.01092424	1.00000000	-0.05891022	0.05876308	-0.00212896
-0.00468102	0.00988836	-0.05891022	1.00000000	-0.99875602	0.00540770
0.02648260	-0.00082749	0.05876308	-0.99875602	1.00000000	-0.05473896
-0.45634192	-0.15228049	-0.00212896	0.00540770	-0.05473896	1.00000000

Covariance matrix
1.27116140E-16	-1.99917626E-17	-3.33253669E-16	-2.58559866E-14	1.46483663E-13	-1.17370950E-13
-1.99917626E-17	1.49734684E-15	-1.75008626E-15	1.87458592E-13	-1.57091580E-14	-1.34423550E-13
-3.33253669E-16	-1.75008626E-15	1.71401316E-11	-1.19486144E-10	1.19354778E-10	-2.01068502E-13
-2.58559866E-14	1.87458592E-13	-1.19486144E-10	2.40015703E-07	-2.40053138E-07	6.04369665E-11
1.46483663E-13	-1.57091580E-14	1.19354778E-10	-2.40053138E-07	2.40689033E-07	-6.12624792E-10
-1.17370950E-13	-1.34423550E-13	-2.01068502E-13	6.04369665E-11	-6.12624792E-10	5.20403017E-10