AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ Grondahl ∴ Orbital info ∴ Epoch epochXXX

(18016) Grondahl ▹

ORBITAL INFORMATION

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(ASCII data file 18016.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.38686	6.677e-09	au
e	0.070869	3.01e-08
i	6.75	3.734e-06	deg
Ω	232.08	2.524e-05	deg
ω	27.912	3.627e-05	deg
M	255.654	2.634e-05	deg

Other useful info
Absolute Magnitude (H)	14.2	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2177	au
Aphelion	2.556	au
Asc. node-Earth separation	1.22439	au
Desc. node-Earth separation	1.54507	au
Earth MOID	1.20507	au
Orbital period	1346.91	days
Date of orbit computation	apr 23 19:49

Correlation matrix
1.00000000	0.04210964	0.00145172	-0.00337681	0.01054246	-0.12010039
0.04210964	1.00000000	0.00186614	-0.00440903	-0.23587773	0.32496261
0.00145172	0.00186614	1.00000000	-0.22791177	0.15583281	0.00090837
-0.00337681	-0.00440903	-0.22791177	1.00000000	-0.69085047	0.00028041
0.01054246	-0.23587773	0.15583281	-0.69085047	1.00000000	-0.71582666
-0.12010039	0.32496261	0.00090837	0.00028041	-0.71582666	1.00000000

Covariance matrix
4.45814781E-17	8.46186029E-18	3.61921735E-17	-5.69043303E-16	2.55294897E-15	-2.11210809E-14
8.46186029E-18	9.05761969E-16	2.09704071E-16	-3.34897677E-15	-2.57464351E-13	2.57593511E-13
3.61921735E-17	2.09704071E-16	1.39414960E-11	-2.14774898E-11	2.11026371E-11	8.93334129E-14
-5.69043303E-16	-3.34897677E-15	-2.14774898E-11	6.36977616E-10	-6.32367103E-10	1.86399407E-13
2.55294897E-15	-2.57464351E-13	2.11026371E-11	-6.32367103E-10	1.31536491E-09	-6.83794291E-10
-2.11210809E-14	2.57593511E-13	8.93334129E-14	1.86399407E-13	-6.83794291E-10	6.93727569E-10