AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999FD31 ∴ Orbital info ∴ Epoch epochXXX

(91297) 1999FD31 ▹

ORBITAL INFORMATION

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(ASCII data file 91297.eq0)

Keplerian elements at epoch
57903.8 MJD
	Value	1-σ variation	Units
a	2.44159	1.186e-08	au
e	0.0882	5.839e-08
i	6.985	5.874e-06	deg
Ω	45.231	3.373e-05	deg
ω	171.083	4.14e-05	deg
M	256.965	2.421e-05	deg

Other useful info
Absolute Magnitude (H)	15.7	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2262	au
Aphelion	2.6569	au
Asc. node-Earth separation	1.66237	au
Desc. node-Earth separation	1.2195	au
Earth MOID	1.21898	au
Orbital period	1393.5	days
Date of orbit computation	apr 23 20:06

Correlation matrix
1.00000000	0.19328284	0.01357004	0.00251263	-0.18037898	0.31439058
0.19328284	1.00000000	0.00126032	-0.00928565	-0.08574533	0.20099943
0.01357004	0.00126032	1.00000000	-0.25289603	0.20034035	0.00909864
0.00251263	-0.00928565	-0.25289603	1.00000000	-0.80690380	0.00097467
-0.18037898	-0.08574533	0.20034035	-0.80690380	1.00000000	-0.58509657
0.31439058	0.20099943	0.00909864	0.00097467	-0.58509657	1.00000000

Covariance matrix
1.40636803E-16	1.33829365E-16	9.45317908E-16	1.00514060E-15	-8.85521062E-14	9.02492221E-14
1.33829365E-16	3.40892350E-15	4.32251575E-16	-1.82881518E-14	-2.07244283E-13	2.84071647E-13
9.45317908E-16	4.32251575E-16	3.45059789E-11	-5.01115749E-11	4.87168361E-11	1.29374384E-12
1.00514060E-15	-1.82881518E-14	-5.01115749E-11	1.13788330E-09	-1.12676694E-09	7.95846641E-13
-8.85521062E-14	-2.07244283E-13	4.87168361E-11	-1.12676694E-09	1.71366902E-09	-5.86294030E-10
9.02492221E-14	2.84071647E-13	1.29374384E-12	7.95846641E-13	-5.86294030E-10	5.85934259E-10