AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2001EM21 ∴ Orbital info ∴ Epoch epochXXX

(123945) 2001EM21 ▹

ORBITAL INFORMATION

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(ASCII data file 123945.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	3.1624	2.426e-08	au
e	0.133608	4.781e-08
i	4.028	4.661e-06	deg
Ω	292.385	7.081e-05	deg
ω	255.072	7.349e-05	deg
M	12.517	2.404e-05	deg

Other useful info
Absolute Magnitude (H)	14.8	mag
Slope parameter (G)	0.15	mag
Perihelion	2.7399	au
Aphelion	3.5849	au
Asc. node-Earth separation	2.20068	au
Desc. node-Earth separation	2.01932	au
Earth MOID	1.74499	au
Orbital period	2054.11	days
Date of orbit computation	apr 23 20:14

Correlation matrix
1.00000000	-0.11950806	0.00463368	-0.00682328	0.13775003	-0.66620351
-0.11950806	1.00000000	0.00195488	-0.00389993	-0.05439061	0.23000874
0.00463368	0.00195488	1.00000000	0.19628134	-0.18957777	-0.00030905
-0.00682328	-0.00389993	0.19628134	1.00000000	-0.96249044	0.00683738
0.13775003	-0.05439061	-0.18957777	-0.96249044	1.00000000	-0.26722905
-0.66620351	0.23000874	-0.00030905	0.00683738	-0.26722905	1.00000000

Covariance matrix
5.88643729E-16	-1.38621417E-16	5.24005272E-16	-1.17227413E-14	2.45596204E-13	-3.88624240E-13
-1.38621417E-16	2.28567120E-15	4.35622515E-16	-1.32030421E-14	-1.91088473E-13	2.64391770E-13
5.24005272E-16	4.35622515E-16	2.17253889E-11	6.47847377E-11	-6.49344078E-11	-3.46345076E-14
-1.17227413E-14	-1.32030421E-14	6.47847377E-11	5.01440952E-09	-5.00852697E-09	1.16411577E-11
2.45596204E-13	-1.91088473E-13	-6.49344078E-11	-5.00852697E-09	5.40016942E-09	-4.72154426E-10
-3.88624240E-13	2.64391770E-13	-3.46345076E-14	1.16411577E-11	-4.72154426E-10	5.78087285E-10