AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1981EJ20 ∴ Orbital info ∴ Epoch epochXXX

(16380) 1981EJ20 ▹

ORBITAL INFORMATION

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(ASCII data file 16380.eq0)

Keplerian elements at epoch
57672.0 MJD
	Value	1-σ variation	Units
a	2.66515	1.141e-08	au
e	0.096663	3.575e-08
i	8.963	5.894e-06	deg
Ω	359.051	2.316e-05	deg
ω	104.04	4.064e-05	deg
M	123.011	3.163e-05	deg

Other useful info
Absolute Magnitude (H)	14.9	mag
Slope parameter (G)	0.15	mag
Perihelion	2.4075	au
Aphelion	2.9228	au
Asc. node-Earth separation	1.69986	au
Desc. node-Earth separation	1.58479	au
Earth MOID	1.44358	au
Orbital period	1589.21	days
Date of orbit computation	apr 23 19:49

Correlation matrix
1.00000000	-0.15872041	0.00582206	0.00100471	-0.11644482	0.13909027
-0.15872041	1.00000000	-0.00963025	-0.00839542	0.28919299	-0.35883421
0.00582206	-0.00963025	1.00000000	-0.15842064	0.07695611	0.01489894
0.00100471	-0.00839542	-0.15842064	1.00000000	-0.56787689	0.00899566
-0.11644482	0.28919299	0.07695611	-0.56787689	1.00000000	-0.82441698
0.13909027	-0.35883421	0.01489894	0.00899566	-0.82441698	1.00000000

Covariance matrix
1.30096413E-16	-6.47180813E-17	3.91368902E-16	2.65440252E-16	-5.39733661E-14	5.01861710E-14
-6.47180813E-17	1.27796925E-15	-2.02896371E-15	-6.95177573E-15	4.20121246E-13	-4.05796889E-13
3.91368902E-16	-2.02896371E-15	3.47338743E-11	-2.16262751E-11	1.84308942E-11	2.77770881E-12
2.65440252E-16	-6.95177573E-15	-2.16262751E-11	5.36520979E-10	-5.34532636E-10	6.59145304E-12
-5.39733661E-14	4.20121246E-13	1.84308942E-11	-5.34532636E-10	1.65140407E-09	-1.05981063E-09
5.01861710E-14	-4.05796889E-13	2.77770881E-12	6.59145304E-12	-1.05981063E-09	1.00071251E-09