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.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.67738	9.851e-09	au
e	0.201332	4.143e-08
i	6.369	4.259e-06	deg
Ω	288.129	3.386e-05	deg
ω	196.743	3.535e-05	deg
M	339.212	9.144e-06	deg

Other useful info
Absolute Magnitude (H)	15.2	mag
Slope parameter (G)	0.15	mag
Perihelion	2.1383	au
Aphelion	3.2164	au
Asc. node-Earth separation	2.16599	au
Desc. node-Earth separation	1.17082	au
Earth MOID	1.1553	au
Orbital period	1600.16	days
Date of orbit computation	apr 23 20:08

Correlation matrix
1.00000000	-0.19327993	0.00658692	0.00857116	-0.01489497	-0.34553414
-0.19327993	1.00000000	-0.00437434	0.00008405	0.08263819	-0.12883481
0.00658692	-0.00437434	1.00000000	0.28598914	-0.27511035	0.00263314
0.00857116	0.00008405	0.28598914	1.00000000	-0.95272489	0.00459083
-0.01489497	0.08263819	-0.27511035	-0.95272489	1.00000000	-0.27644726
-0.34553414	-0.12883481	0.00263314	0.00459083	-0.27644726	1.00000000

Covariance matrix
9.70435132E-17	-7.88844055E-17	2.76350912E-16	2.85870986E-15	-5.18698308E-15	-3.11264151E-14
-7.88844055E-17	1.71649396E-15	-7.71842664E-16	1.17891555E-16	1.21030201E-13	-4.88100487E-14
2.76350912E-16	-7.71842664E-16	1.81380726E-11	4.12374990E-11	-4.14184955E-11	1.02547509E-13
2.85870986E-15	1.17891555E-16	4.12374990E-11	1.14628979E-09	-1.14026699E-09	1.42132361E-12
-5.18698308E-15	1.21030201E-13	-4.14184955E-11	-1.14026699E-09	1.24963636E-09	-8.93632595E-11
-3.11264151E-14	-4.88100487E-14	1.02547509E-13	1.42132361E-12	-8.93632595E-11	8.36199250E-11