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.eq0)

Keplerian elements at epoch
57874.4 MJD
	Value	1-σ variation	Units
a	2.38832	6.733e-09	au
e	0.069859	3.004e-08
i	6.741	3.73e-06	deg
Ω	232.18	2.529e-05	deg
ω	27.294	3.655e-05	deg
M	301.555	2.652e-05	deg

Other useful info
Absolute Magnitude (H)	14.2	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2215	au
Aphelion	2.5552	au
Asc. node-Earth separation	1.22738	au
Desc. node-Earth separation	1.54388	au
Earth MOID	1.20901	au
Orbital period	1348.15	days
Date of orbit computation	apr 23 19:49

Correlation matrix
1.00000000	0.05222240	0.00313925	-0.00709982	0.01450517	-0.01360041
0.05222240	1.00000000	0.00319785	-0.00384476	-0.23065982	0.32480045
0.00313925	0.00319785	1.00000000	-0.22828507	0.15535342	0.00094501
-0.00709982	-0.00384476	-0.22828507	1.00000000	-0.68720395	-0.00015909
0.01450517	-0.23065982	0.15535342	-0.68720395	1.00000000	-0.72337095
-0.01360041	0.32480045	0.00094501	-0.00015909	-0.72337095	1.00000000

Covariance matrix
4.53305310E-17	1.05626518E-17	7.88401597E-17	-1.20895644E-15	3.56927429E-15	-2.42866314E-15
1.05626518E-17	9.02488171E-16	3.58348157E-16	-2.92118238E-15	-2.53252895E-13	2.58795823E-13
7.88401597E-17	3.58348157E-16	1.39140326E-11	-2.15363541E-11	2.11791748E-11	9.34936029E-14
-1.20895644E-15	-2.92118238E-15	-2.15363541E-11	6.39641032E-10	-6.35207337E-10	-1.06717542E-13
3.56927429E-15	-2.53252895E-13	2.11791748E-11	-6.35207337E-10	1.33574454E-09	-7.01201201E-10
-2.42866314E-15	2.58795823E-13	9.34936029E-14	-1.06717542E-13	-7.01201201E-10	7.03460584E-10