AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1990QJ9 ∴ Orbital info ∴ Epoch epochXXX

(16484) 1990QJ9 ▹

ORBITAL INFORMATION

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(ASCII data file 16484.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.90913	1.246e-08	au
e	0.019568	3.69e-08
i	2.884	4.741e-06	deg
Ω	47.791	0.0001065	deg
ω	238.549	0.0002182	deg
M	327.897	0.0001921	deg

Other useful info
Absolute Magnitude (H)	13.8	mag
Slope parameter (G)	0.15	mag
Perihelion	2.8522	au
Aphelion	2.9661	au
Asc. node-Earth separation	1.94845	au
Desc. node-Earth separation	1.86924	au
Earth MOID	1.83697	au
Orbital period	1812.36	days
Date of orbit computation	apr 23 19:49

Correlation matrix
1.00000000	0.19813073	0.00589000	-0.00313409	0.13106774	-0.16753588
0.19813073	1.00000000	-0.00372553	0.00006877	0.52220852	-0.60354141
0.00589000	-0.00372553	1.00000000	-0.64151065	0.30559790	0.00798764
-0.00313409	0.00006877	-0.64151065	1.00000000	-0.48771875	0.00071331
0.13106774	0.52220852	0.30559790	-0.48771875	1.00000000	-0.87308207
-0.16753588	-0.60354141	0.00798764	0.00071331	-0.87308207	1.00000000

Covariance matrix
1.55231722E-16	9.10877093E-17	3.47915921E-16	-4.15756324E-15	3.56394549E-13	-4.01011269E-13
9.10877093E-17	1.36155573E-15	-6.51740806E-16	2.70167518E-16	4.20539371E-12	-4.27841888E-12
3.47915921E-16	-6.51740806E-16	2.24769394E-11	-3.23824828E-10	3.16201522E-10	7.27520733E-12
-4.15756324E-15	2.70167518E-16	-3.23824828E-10	1.13364055E-08	-1.13331891E-08	1.45906819E-11
3.56394549E-13	4.20539371E-12	3.16201522E-10	-1.13331891E-08	4.76310330E-08	-3.66065318E-08
-4.01011269E-13	-4.27841888E-12	7.27520733E-12	1.45906819E-11	-3.66065318E-08	3.69077044E-08