AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1981DB2 ∴ Orbital info ∴ Epoch epochXXX

(99970) 1981DB2 ▹

ORBITAL INFORMATION

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(ASCII data file 99970.eq0)

Keplerian elements at epoch
57846.5 MJD
	Value	1-σ variation	Units
a	2.6739	9.895e-09	au
e	0.204981	4.166e-08
i	6.377	4.267e-06	deg
Ω	288.374	3.382e-05	deg
ω	196.94	3.524e-05	deg
M	123.689	8.487e-06	deg

Other useful info
Absolute Magnitude (H)	15.2	mag
Slope parameter (G)	0.15	mag
Perihelion	2.1258	au
Aphelion	3.222	au
Asc. node-Earth separation	2.17006	au
Desc. node-Earth separation	1.15774	au
Earth MOID	1.14181	au
Orbital period	1597.04	days
Date of orbit computation	apr 23 20:08

Correlation matrix
1.00000000	-0.27728986	0.01816630	0.00250197	-0.03281702	0.07203860
-0.27728986	1.00000000	-0.00841768	0.00014261	0.08533502	-0.23787112
0.01816630	-0.00841768	1.00000000	0.28762116	-0.27725736	0.00746718
0.00250197	0.00014261	0.28762116	1.00000000	-0.95443768	0.00680093
-0.03281702	0.08533502	-0.27725736	-0.95443768	1.00000000	-0.29326539
0.07203860	-0.23787112	0.00746718	0.00680093	-0.29326539	1.00000000

Covariance matrix
9.79179838E-17	-1.14312932E-16	7.66994282E-16	8.37222479E-16	-1.14439927E-14	6.05025259E-15
-1.14312932E-16	1.73564254E-15	-1.49629438E-15	2.00906047E-16	1.25286590E-13	-8.41102386E-14
7.66994282E-16	-1.49629438E-15	1.82049124E-11	4.14994946E-11	-4.16892954E-11	2.70413258E-13
8.37222479E-16	2.00906047E-16	4.14994946E-11	1.14355049E-09	-1.13742409E-09	1.95196882E-12
-1.14439927E-14	1.25286590E-13	-4.16892954E-11	-1.13742409E-09	1.24192207E-09	-8.77172463E-11
6.05025259E-15	-8.41102386E-14	2.70413258E-13	1.95196882E-12	-8.77172463E-11	7.20367337E-11