AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008DD17 ∴ Orbital info ∴ Epoch epochXXX

(256874) 2008DD17 ▹

ORBITAL INFORMATION

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(ASCII data file 256874.eq0)

Keplerian elements at epoch
57545.1 MJD
	Value	1-σ variation	Units
a	2.80426	1.986e-08	au
e	0.062023	6.349e-08
i	3.75	7.116e-06	deg
Ω	355	7.681e-05	deg
ω	143.282	8.84e-05	deg
M	307.125	4.267e-05	deg

Other useful info
Absolute Magnitude (H)	16.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.6303	au
Aphelion	2.9782	au
Asc. node-Earth separation	1.93376	au
Desc. node-Earth separation	1.66571	au
Earth MOID	1.64337	au
Orbital period	1715.24	days
Date of orbit computation	apr 23 20:44

Correlation matrix
1.00000000	-0.13713392	0.00059098	0.00927470	0.02018355	-0.06117387
-0.13713392	1.00000000	0.00443171	0.00859547	0.12235222	-0.25943427
0.00059098	0.00443171	1.00000000	-0.23268518	0.20488909	-0.00781285
0.00927470	0.00859547	-0.23268518	1.00000000	-0.87304305	0.01522700
0.02018355	0.12235222	0.20488909	-0.87304305	1.00000000	-0.49864091
-0.06117387	-0.25943427	-0.00781285	0.01522700	-0.49864091	1.00000000

Covariance matrix
3.94488921E-16	-1.72938900E-16	8.35316590E-17	1.41486105E-14	3.54389709E-14	-5.18486850E-14
-1.72938900E-16	4.03144528E-15	2.00245517E-15	4.19176188E-14	6.86765372E-13	-7.02930099E-13
8.35316590E-17	2.00245517E-15	5.06433539E-11	-1.27182213E-10	1.28898015E-10	-2.37260481E-12
1.41486105E-14	4.19176188E-14	-1.27182213E-10	5.89919614E-09	-5.92786408E-09	4.99074308E-11
3.54389709E-14	6.86765372E-13	1.28898015E-10	-5.92786408E-09	7.81506004E-09	-1.88108527E-09
-5.18486850E-14	-7.02930099E-13	-2.37260481E-12	4.99074308E-11	-1.88108527E-09	1.82099533E-09