AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2009SD40 ∴ Orbital info ∴ Epoch epochXXX

(490416) 2009SD40 ▹

ORBITAL INFORMATION

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(ASCII data file 490416.eq0)

Keplerian elements at epoch
58417.1 MJD
	Value	1-σ variation	Units
a	3.04518	4.637e-08	au
e	0.017018	7.736e-08
i	10.871	1.101e-05	deg
Ω	16.542	3.82e-05	deg
ω	115.571	0.0003163	deg
M	147.968	0.0003112	deg

Other useful info
Absolute Magnitude (H)	16.7	mag
Slope parameter (G)	0.15	mag
Perihelion	2.9934	au
Aphelion	3.097	au
Asc. node-Earth separation	2.06823	au
Desc. node-Earth separation	2.02297	au
Earth MOID	2.01702	au
Orbital period	1940.97	days
Date of orbit computation	apr 23 21:34

Correlation matrix
1.00000000	-0.00266758	0.00822370	-0.00812512	-0.21706924	0.21915140
-0.00266758	1.00000000	-0.00530829	0.00167140	0.38961876	-0.39308411
0.00822370	-0.00530829	1.00000000	-0.17727776	0.01754642	0.00361654
-0.00812512	0.00167140	-0.17727776	1.00000000	-0.12801916	0.00973093
-0.21706924	0.38961876	0.01754642	-0.12801916	1.00000000	-0.99278546
0.21915140	-0.39308411	0.00361654	0.00973093	-0.99278546	1.00000000

Covariance matrix
2.15031689E-15	-9.56959935E-18	4.19761532E-15	-1.43915751E-14	-3.18418976E-12	3.16301813E-12
-9.56959935E-18	5.98481838E-15	-4.52027056E-15	4.93892231E-15	9.53486963E-12	-9.46492515E-12
4.19761532E-15	-4.52027056E-15	1.21162473E-10	-7.45359120E-11	6.10972931E-11	1.23903400E-11
-1.43915751E-14	4.93892231E-15	-7.45359120E-11	1.45899728E-09	-1.54686220E-09	1.15687896E-10
-3.18418976E-12	9.53486963E-12	6.10972931E-11	-1.54686220E-09	1.00068832E-07	-9.77487095E-08
3.16301813E-12	-9.46492515E-12	1.23903400E-11	1.15687896E-10	-9.77487095E-08	9.68751564E-08