AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2009HT88 ∴ Orbital info ∴ Epoch epochXXX

(257312) 2009HT88 ▹

ORBITAL INFORMATION

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(ASCII data file 257312.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.45655	1.482e-08	au
e	0.14893	5.163e-08
i	1.782	6.056e-06	deg
Ω	278.185	0.0001888	deg
ω	331.701	0.0001901	deg
M	288.863	2.455e-05	deg

Other useful info
Absolute Magnitude (H)	17.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.0907	au
Aphelion	2.8224	au
Asc. node-Earth separation	1.10726	au
Desc. node-Earth separation	1.78138	au
Earth MOID	1.0767	au
Orbital period	1406.33	days
Date of orbit computation	apr 23 20:44

Correlation matrix
1.00000000	-0.08568467	0.00475273	-0.00595558	0.01395711	-0.30766858
-0.08568467	1.00000000	0.01244703	-0.00916879	0.01880735	-0.06784695
0.00475273	0.01244703	1.00000000	0.05826536	-0.05789164	-0.00254902
-0.00595558	-0.00916879	0.05826536	1.00000000	-0.99287449	0.00474522
0.01395711	0.01880735	-0.05789164	-0.99287449	1.00000000	-0.11813649
-0.30766858	-0.06784695	-0.00254902	0.00474522	-0.11813649	1.00000000

Covariance matrix
2.19667663E-16	-6.55685795E-17	4.26573039E-16	-1.66640206E-14	3.93263173E-14	-1.11939297E-13
-6.55685795E-17	2.66574849E-15	3.89172924E-15	-8.93705678E-14	1.84604259E-13	-8.59916523E-14
4.26573039E-16	3.89172924E-15	3.66720103E-11	6.66117425E-11	-6.66481096E-11	-3.78927866E-13
-1.66640206E-14	-8.93705678E-14	6.66117425E-11	3.56406853E-08	-3.56346087E-08	2.19910194E-11
3.93263173E-14	1.84604259E-13	-6.66481096E-11	-3.56346087E-08	3.61417553E-08	-5.51321634E-10
-1.11939297E-13	-8.59916523E-14	-3.78927866E-13	2.19910194E-11	-5.51321634E-10	6.02604985E-10