AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2009HM77 ∴ Orbital info ∴ Epoch epochXXX

(257308) 2009HM77 ▹

ORBITAL INFORMATION

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(ASCII data file 257308.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.41164	1.252e-08	au
e	0.158532	4.818e-08
i	1.858	8.629e-06	deg
Ω	322.805	0.000147	deg
ω	261.213	0.0001498	deg
M	347.861	2.769e-05	deg

Other useful info
Absolute Magnitude (H)	17.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.0293	au
Aphelion	2.794	au
Asc. node-Earth separation	1.39749	au
Desc. node-Earth separation	1.30829	au
Earth MOID	1.02143	au
Orbital period	1367.94	days
Date of orbit computation	apr 23 20:44

Correlation matrix
1.00000000	0.05506608	-0.00460301	0.00304559	0.01235390	-0.27372140
0.05506608	1.00000000	0.00134617	-0.00259927	-0.09662950	0.49852305
-0.00460301	0.00134617	1.00000000	0.36768753	-0.35926891	-0.00811444
0.00304559	-0.00259927	0.36768753	1.00000000	-0.98216258	0.00726250
0.01235390	-0.09662950	-0.35926891	-0.98216258	1.00000000	-0.18964429
-0.27372140	0.49852305	-0.00811444	0.00726250	-0.18964429	1.00000000

Covariance matrix
1.56738488E-16	3.32123735E-17	-4.97276789E-16	5.60594530E-15	2.31677800E-14	-9.49032950E-14
3.32123735E-17	2.32089670E-15	5.59624692E-16	-1.84106362E-14	-6.97316580E-13	6.65116709E-13
-4.97276789E-16	5.59624692E-16	7.44622220E-11	4.66484019E-10	-4.64386911E-10	-1.93914985E-12
5.60594530E-15	-1.84106362E-14	4.66484019E-10	2.16162198E-08	-2.16304523E-08	2.95706577E-11
2.31677800E-14	-6.97316580E-13	-4.64386911E-10	-2.16304523E-08	2.24380282E-08	-7.86713881E-10
-9.49032950E-14	6.65116709E-13	-1.93914985E-12	2.95706577E-11	-7.86713881E-10	7.66954175E-10