AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008HL18 ∴ Orbital info ∴ Epoch epochXXX

(266580) 2008HL18 ▹

ORBITAL INFORMATION

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(ASCII data file 266580.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.43345	1.57e-08	au
e	0.042769	4.41e-08
i	8.266	5.501e-06	deg
Ω	119.395	3.454e-05	deg
ω	134.137	8.175e-05	deg
M	40.294	7.291e-05	deg

Other useful info
Absolute Magnitude (H)	16.7	mag
Slope parameter (G)	0.15	mag
Perihelion	2.3294	au
Aphelion	2.5375	au
Asc. node-Earth separation	1.52019	au
Desc. node-Earth separation	1.34286	au
Earth MOID	1.32122	au
Orbital period	1386.54	days
Date of orbit computation	apr 23 20:46

Correlation matrix
1.00000000	0.15020584	-0.01224505	-0.00411866	-0.13646859	0.07805955
0.15020584	1.00000000	-0.00548014	0.00700802	0.08002428	-0.08895807
-0.01224505	-0.00548014	1.00000000	0.19846923	-0.05952359	-0.02434253
-0.00411866	0.00700802	0.19846923	1.00000000	-0.41969168	0.00226150
-0.13646859	0.08002428	-0.05952359	-0.41969168	1.00000000	-0.90477946
0.07805955	-0.08895807	-0.02434253	0.00226150	-0.90477946	1.00000000

Covariance matrix
2.46484435E-16	1.03986927E-16	-1.05751767E-15	-2.23325843E-15	-1.75150005E-13	8.93571822E-14
1.03986927E-16	1.94443922E-15	-1.32929552E-15	1.06728683E-14	2.88470693E-13	-2.86016581E-13
-1.05751767E-15	-1.32929552E-15	3.02597251E-11	3.77063419E-11	-2.67672842E-11	-9.76352918E-12
-2.23325843E-15	1.06728683E-14	3.77063419E-11	1.19282694E-09	-1.18495482E-09	5.69500684E-12
-1.75150005E-13	2.88470693E-13	-2.67672842E-11	-1.18495482E-09	6.68290703E-09	-5.39304569E-09
8.93571822E-14	-2.86016581E-13	-9.76352918E-12	5.69500684E-12	-5.39304569E-09	5.31639590E-09