AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999RA208 ∴ Orbital info ∴ Epoch epochXXX

(18866) 1999RA208 ▹

ORBITAL INFORMATION

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(ASCII data file 18866.eq0)

Keplerian elements at epoch
57593.4 MJD
	Value	1-σ variation	Units
a	2.42616	7.321e-09	au
e	0.158526	4.025e-08
i	11.681	4.415e-06	deg
Ω	237.277	1.592e-05	deg
ω	10.999	1.927e-05	deg
M	267.513	1.081e-05	deg

Other useful info
Absolute Magnitude (H)	13.9	mag
Slope parameter (G)	0.15	mag
Perihelion	2.0416	au
Aphelion	2.8108	au
Asc. node-Earth separation	1.03576	au
Desc. node-Earth separation	1.81334	au
Earth MOID	1.02986	au
Orbital period	1380.32	days
Date of orbit computation	apr 23 19:50

Correlation matrix
1.00000000	-0.15479008	0.00412402	-0.00309177	0.08078371	-0.15180283
-0.15479008	1.00000000	-0.00776789	0.00853240	-0.14891722	0.24314045
0.00412402	-0.00776789	1.00000000	-0.09235851	0.07531629	-0.00523175
-0.00309177	0.00853240	-0.09235851	1.00000000	-0.81435531	0.01143148
0.08078371	-0.14891722	0.07531629	-0.81435531	1.00000000	-0.57196786
-0.15180283	0.24314045	-0.00523175	0.01143148	-0.57196786	1.00000000

Covariance matrix
5.35945975E-17	-4.56103343E-17	1.33300853E-16	-3.60362371E-16	1.13949289E-14	-1.20083624E-14
-4.56103343E-17	1.62001584E-15	-1.38043187E-15	5.46767044E-15	-1.15486670E-13	1.05745102E-13
1.33300853E-16	-1.38043187E-15	1.94941416E-11	-6.49232519E-12	6.40720037E-12	-2.49598850E-13
-3.60362371E-16	5.46767044E-15	-6.49232519E-12	2.53479330E-10	-2.49811556E-10	1.96660505E-12
1.13949289E-14	-1.15486670E-13	6.40720037E-12	-2.49811556E-10	3.71239888E-10	-1.19080969E-10
-1.20083624E-14	1.05745102E-13	-2.49598850E-13	1.96660505E-12	-1.19080969E-10	1.16758052E-10