AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1998HF9 ∴ Orbital info ∴ Epoch epochXXX

(306417) 1998HF9 ▹

ORBITAL INFORMATION

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(ASCII data file 306417.eq0)

Keplerian elements at epoch
57628.7 MJD
	Value	1-σ variation	Units
a	2.84133	1.302e-08	au
e	0.277196	3.852e-08
i	10.017	4.395e-06	deg
Ω	126.98	3.481e-05	deg
ω	8.843	3.795e-05	deg
M	355.253	1.359e-05	deg

Other useful info
Absolute Magnitude (H)	16.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.0537	au
Aphelion	3.6289	au
Asc. node-Earth separation	1.07311	au
Desc. node-Earth separation	2.59725	au
Earth MOID	1.06726	au
Orbital period	1749.37	days
Date of orbit computation	apr 23 20:54

Correlation matrix
1.00000000	-0.14653887	0.02397090	-0.02863943	0.19877273	-0.45343401
-0.14653887	1.00000000	-0.00495478	0.01337646	0.08798998	-0.17277986
0.02397090	-0.00495478	1.00000000	0.02235786	-0.01292812	-0.01202870
-0.02863943	0.01337646	0.02235786	1.00000000	-0.89027742	-0.03099559
0.19877273	0.08798998	-0.01292812	-0.89027742	1.00000000	-0.41637908
-0.45343401	-0.17277986	-0.01202870	-0.03099559	-0.41637908	1.00000000

Covariance matrix
1.69598607E-16	-7.35095722E-17	1.37210683E-15	-1.29823101E-14	9.82381559E-14	-8.02627462E-14
-7.35095722E-17	1.48374694E-15	-8.38874447E-16	1.79348456E-14	1.28625002E-13	-9.04610890E-14
1.37210683E-15	-8.38874447E-16	1.93190120E-11	3.42057457E-12	-2.15645272E-12	-7.18621294E-13
-1.29823101E-14	1.79348456E-14	3.42057457E-12	1.21158234E-09	-1.17601833E-09	-1.46644285E-11
9.82381559E-14	1.28625002E-13	-2.15645272E-12	-1.17601833E-09	1.44020571E-09	-2.14778079E-10
-8.02627462E-14	-9.04610890E-14	-7.18621294E-13	-1.46644285E-11	-2.14778079E-10	1.84747075E-10