AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008ER121 ∴ Orbital info ∴ Epoch epochXXX

(358815) 2008ER121 ▹

ORBITAL INFORMATION

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(ASCII data file 358815.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	3.08433	4.122e-08	au
e	0.099248	5.127e-08
i	16.009	8.417e-06	deg
Ω	358.213	2.119e-05	deg
ω	82.013	5.046e-05	deg
M	79.039	4.486e-05	deg

Other useful info
Absolute Magnitude (H)	16.4	mag
Slope parameter (G)	0.15	mag
Perihelion	2.7782	au
Aphelion	3.3904	au
Asc. node-Earth separation	2.009	au
Desc. node-Earth separation	2.10127	au
Earth MOID	1.84946	au
Orbital period	1978.51	days
Date of orbit computation	Jun 5 01:53

Correlation matrix
1.00000000	-0.09107993	0.00354547	-0.00774122	-0.04278887	-0.13539786
-0.09107993	1.00000000	-0.00446035	0.00090006	-0.09077266	0.11519434
0.00354547	-0.00446035	1.00000000	-0.03054929	-0.01103175	0.02540262
-0.00774122	0.00090006	-0.03054929	1.00000000	-0.40044378	0.00108269
-0.04278887	-0.09077266	-0.01103175	-0.40044378	1.00000000	-0.89597664
-0.13539786	0.11519434	0.02540262	0.00108269	-0.89597664	1.00000000

Covariance matrix
1.69871270E-15	-1.92476158E-16	1.23001993E-15	-6.76189902E-15	-8.89884402E-14	-2.50333666E-13
-1.92476158E-16	2.62898787E-15	-1.92504663E-15	9.78057420E-16	-2.34850862E-13	2.64955501E-13
1.23001993E-15	-1.92504663E-15	7.08525562E-11	-5.44976853E-12	-4.68559745E-12	9.59188022E-12
-6.76189902E-15	9.78057420E-16	-5.44976853E-12	4.49157326E-10	-4.28236398E-10	1.02931855E-12
-8.89884402E-14	-2.34850862E-13	-4.68559745E-12	-4.28236398E-10	2.54615929E-09	-2.02808880E-09
-2.50333666E-13	2.64955501E-13	9.59188022E-12	1.02931855E-12	-2.02808880E-09	2.01231048E-09