AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ Estens ∴ Orbital info ∴ Epoch epochXXX

(4638) Estens ▹

ORBITAL INFORMATION

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(ASCII data file 4638.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.1937	5.206e-09	au
e	0.089564	3.146e-08
i	3.508	3.433e-06	deg
Ω	277.095	4.798e-05	deg
ω	260.284	5.244e-05	deg
M	274.773	2.272e-05	deg

Other useful info
Absolute Magnitude (H)	13.8	mag
Slope parameter (G)	0.15	mag
Perihelion	1.9972	au
Aphelion	2.3902	au
Asc. node-Earth separation	1.19312	au
Desc. node-Earth separation	1.16077	au
Earth MOID	1.00488	au
Orbital period	1186.76	days
Date of orbit computation	apr 23 19:46

Correlation matrix
1.00000000	-0.22257008	0.00019000	-0.00319492	0.10457934	-0.40401472
-0.22257008	1.00000000	-0.00498360	0.00689999	-0.10871107	0.31903718
0.00019000	-0.00498360	1.00000000	0.10557084	-0.09645339	-0.00261997
-0.00319492	0.00689999	0.10557084	1.00000000	-0.91534225	0.00656576
0.10457934	-0.10871107	-0.09645339	-0.91534225	1.00000000	-0.40072852
-0.40401472	0.31903718	-0.00261997	0.00656576	-0.40072852	1.00000000

Covariance matrix
2.71029649E-17	-3.64549325E-17	3.39604140E-18	-7.98056016E-16	2.85490700E-14	-4.77928388E-14
-3.64549325E-17	9.89833714E-16	-5.38306672E-16	1.04158516E-14	-1.79346353E-13	2.28076038E-13
3.39604140E-18	-5.38306672E-16	1.17871913E-11	1.73905926E-11	-1.73644205E-11	-2.04389205E-13
-7.98056016E-16	1.04158516E-14	1.73905926E-11	2.30213331E-09	-2.30296000E-09	7.15825751E-12
2.85490700E-14	-1.79346353E-13	-1.73644205E-11	-2.30296000E-09	2.74963662E-09	-4.77468953E-10
-4.77928388E-14	2.28076038E-13	-2.04389205E-13	7.15825751E-12	-4.77468953E-10	5.16314680E-10