AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1997ER16 ∴ Orbital info ∴ Epoch epochXXX

(48738) 1997ER16 ▹

ORBITAL INFORMATION

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(ASCII data file 48738.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.42119	8.167e-09	au
e	0.190587	3.794e-08
i	0.882	4.868e-06	deg
Ω	2.282	0.0002352	deg
ω	331.781	0.0002354	deg
M	284.302	1.336e-05	deg

Other useful info
Absolute Magnitude (H)	16.5	mag
Slope parameter (G)	0.15	mag
Perihelion	1.9597	au
Aphelion	2.8826	au
Asc. node-Earth separation	0.99545	au
Desc. node-Earth separation	1.80777	au
Earth MOID	0.94956	au
Orbital period	1376.07	days
Date of orbit computation	apr 23 19:56

Correlation matrix
1.00000000	0.07531940	-0.00129768	0.00008261	0.00384023	-0.34070293
0.07531940	1.00000000	0.00545479	0.00076735	0.02381852	-0.49043857
-0.00129768	0.00545479	1.00000000	0.33831814	-0.33746898	-0.00940815
0.00008261	0.00076735	0.33831814	1.00000000	-0.99847272	-0.00733641
0.00384023	0.02381852	-0.33746898	-0.99847272	1.00000000	-0.04448196
-0.34070293	-0.49043857	-0.00940815	-0.00733641	-0.04448196	1.00000000

Covariance matrix
6.67026720E-17	2.33393983E-17	-5.15931808E-17	1.58680368E-16	7.38216259E-15	-3.71678056E-14
2.33393983E-17	1.43953539E-15	1.00749109E-15	6.84764363E-15	2.12706279E-13	-2.48550840E-13
-5.15931808E-17	1.00749109E-15	2.36976212E-11	3.87360453E-10	-3.86670094E-10	-6.11752880E-13
1.58680368E-16	6.84764363E-15	3.87360453E-10	5.53191158E-08	-5.52749261E-08	-2.30483912E-11
7.38216259E-15	2.12706279E-13	-3.86670094E-10	-5.52749261E-08	5.53998642E-08	-1.39848477E-10
-3.71678056E-14	-2.48550840E-13	-6.11752880E-13	-2.30483912E-11	-1.39848477E-10	1.78418090E-10