AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ Irenesun ∴ Orbital info ∴ Epoch epochXXX

(18180) Irenesun ▹

ORBITAL INFORMATION

◲

(ASCII data file 18180.eq0)

Keplerian elements at epoch
57595.8 MJD
	Value	1-σ variation	Units
a	2.21097	5.33e-09	au
e	0.1585	2.606e-08
i	4.514	3.557e-06	deg
Ω	53.415	3.685e-05	deg
ω	218.674	3.906e-05	deg
M	2.744	1.37e-05	deg

Other useful info
Absolute Magnitude (H)	14.8	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8605	au
Aphelion	2.5614	au
Asc. node-Earth separation	1.47048	au
Desc. node-Earth separation	0.9078	au
Earth MOID	0.84704	au
Orbital period	1200.81	days
Date of orbit computation	apr 23 19:49

Correlation matrix
1.00000000	0.11749422	-0.00322961	0.00646381	0.07857122	-0.27806918
0.11749422	1.00000000	-0.00045345	0.00057142	-0.07754676	0.22214646
-0.00322961	-0.00045345	1.00000000	-0.26041605	0.24459460	0.00300385
0.00646381	0.00057142	-0.26041605	1.00000000	-0.94102518	0.00504884
0.07857122	-0.07754676	0.24459460	-0.94102518	1.00000000	-0.33782305
-0.27806918	0.22214646	0.00300385	0.00504884	-0.33782305	1.00000000

Covariance matrix
2.84087623E-17	1.63229702E-17	-6.12308866E-17	1.26954078E-15	1.63562500E-14	-2.03052760E-14
1.63229702E-17	6.79380445E-16	-4.20420590E-17	5.48838658E-16	-7.89431128E-14	7.93278719E-14
-6.12308866E-17	-4.20420590E-17	1.26528221E-11	-3.41344725E-11	3.39808822E-11	1.46386935E-13
1.26954078E-15	5.48838658E-16	-3.41344725E-11	1.35788659E-09	-1.35433806E-09	2.54890120E-12
1.63562500E-14	-7.89431128E-14	3.39808822E-11	-1.35433806E-09	1.52541558E-09	-1.80764544E-10
-2.03052760E-14	7.93278719E-14	1.46386935E-13	2.54890120E-12	-1.80764544E-10	1.87698048E-10