AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008HW12 ∴ Orbital info ∴ Epoch epochXXX

(228045) 2008HW12 ▹

ORBITAL INFORMATION

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(ASCII data file 228045.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	3.18869	3.436e-08	au
e	0.292285	5.165e-08
i	17.711	6.741e-06	deg
Ω	86.671	1.969e-05	deg
ω	253.698	2.293e-05	deg
M	214.452	1.149e-05	deg

Other useful info
Absolute Magnitude (H)	14.8	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2567	au
Aphelion	4.1207	au
Asc. node-Earth separation	2.19347	au
Desc. node-Earth separation	1.67927	au
Earth MOID	1.32073	au
Orbital period	2079.78	days
Date of orbit computation	apr 23 20:37

Correlation matrix
1.00000000	-0.31430372	0.01297622	-0.00449686	-0.07819137	-0.41309225
-0.31430372	1.00000000	-0.00663811	0.02775991	0.02407641	0.10115625
0.01297622	-0.00663811	1.00000000	-0.15661272	0.13682513	-0.01901354
-0.00449686	0.02775991	-0.15661272	1.00000000	-0.82678388	0.02314560
-0.07819137	0.02407641	0.13682513	-0.82678388	1.00000000	-0.45776077
-0.41309225	0.10115625	-0.01901354	0.02314560	-0.45776077	1.00000000

Covariance matrix
1.18037573E-15	-5.57686171E-16	3.00526794E-15	-3.04158531E-15	-6.15930514E-14	-1.63076458E-13
-5.57686171E-16	2.66722975E-15	-2.31099890E-15	2.82246316E-14	2.85091762E-14	6.00284331E-14
3.00526794E-15	-2.31099890E-15	4.54411918E-11	-2.07841332E-11	2.11472295E-11	-1.47272609E-12
-3.04158531E-15	2.82246316E-14	-2.07841332E-11	3.87578853E-10	-3.73194113E-10	5.23579534E-12
-6.15930514E-14	2.85091762E-14	2.11472295E-11	-3.73194113E-10	5.25684885E-10	-1.20596696E-10
-1.63076458E-13	6.00284331E-14	-1.47272609E-12	5.23579534E-12	-1.20596696E-10	1.32028649E-10