AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2001DD9 ∴ Orbital info ∴ Epoch epochXXX

(252171) 2001DD9 ▹

ORBITAL INFORMATION

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(ASCII data file 252171.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	1.91515	7.759e-09	au
e	0.074421	5.268e-08
i	20.108	6.768e-06	deg
Ω	341.325	1.625e-05	deg
ω	114.076	6.659e-05	deg
M	313.589	5.755e-05	deg

Other useful info
Absolute Magnitude (H)	17.6	mag
Slope parameter (G)	0.15	mag
Perihelion	1.7726	au
Aphelion	2.0577	au
Asc. node-Earth separation	0.95608	au
Desc. node-Earth separation	0.85762	au
Earth MOID	0.83906	au
Orbital period	968.057	days
Date of orbit computation	apr 23 20:43

Correlation matrix
1.00000000	0.05318054	-0.02129974	0.01869329	-0.30441196	0.21891004
0.05318054	1.00000000	-0.06774110	-0.04102921	0.25737582	-0.24828548
-0.02129974	-0.06774110	1.00000000	0.14070662	-0.02777254	-0.00372091
0.01869329	-0.04102921	0.14070662	1.00000000	-0.31398288	0.09177414
-0.30441196	0.25737582	-0.02777254	-0.31398288	1.00000000	-0.96683919
0.21891004	-0.24828548	-0.00372091	0.09177414	-0.96683919	1.00000000

Covariance matrix
6.01987436E-17	2.17349466E-17	-1.11853230E-15	2.35752013E-15	-1.57266170E-13	9.77491606E-14
2.17349466E-17	2.77475251E-15	-2.41515483E-14	-3.51302613E-14	9.02733878E-13	-7.52691639E-13
-1.11853230E-15	-2.41515483E-14	4.58100951E-11	1.54800074E-11	-1.25163025E-11	-1.44938400E-12
2.35752013E-15	-3.51302613E-14	1.54800074E-11	2.64211730E-10	-3.39830136E-10	8.58519266E-11
-1.57266170E-13	9.02733878E-13	-1.25163025E-11	-3.39830136E-10	4.43363314E-09	-3.70499625E-09
9.77491606E-14	-7.52691639E-13	-1.44938400E-12	8.58519266E-11	-3.70499625E-09	3.31212945E-09