AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1998YU9 ∴ Orbital info ∴ Epoch epochXXX

(23971) 1998YU9 ▹

ORBITAL INFORMATION

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(ASCII data file 23971.eq0)

Keplerian elements at epoch
58021.7 MJD
	Value	1-σ variation	Units
a	2.36423	6.391e-09	au
e	0.134003	2.622e-08
i	12.844	3.679e-06	deg
Ω	128.895	1.331e-05	deg
ω	110.504	2.005e-05	deg
M	303.506	1.474e-05	deg

Other useful info
Absolute Magnitude (H)	13.9	mag
Slope parameter (G)	0.15	mag
Perihelion	2.0474	au
Aphelion	2.681	au
Asc. node-Earth separation	1.45085	au
Desc. node-Earth separation	1.20226	au
Earth MOID	1.07256	au
Orbital period	1327.8	days
Date of orbit computation	apr 23 19:51

Correlation matrix
1.00000000	0.01726690	0.00408383	-0.00185972	0.09114868	-0.13256319
0.01726690	1.00000000	0.00052160	-0.00377702	0.07078270	-0.06078257
0.00408383	0.00052160	1.00000000	0.11254548	-0.06916216	-0.00419143
-0.00185972	-0.00377702	0.11254548	1.00000000	-0.65988179	0.01926261
0.09114868	0.07078270	-0.06916216	-0.65988179	1.00000000	-0.75385331
-0.13256319	-0.06078257	-0.00419143	0.01926261	-0.75385331	1.00000000

Covariance matrix
4.08455101E-17	2.89339997E-18	9.60309535E-17	-1.58235009E-16	1.16775824E-14	-1.24851201E-14
2.89339997E-18	6.87454653E-16	5.03189432E-17	-1.31842324E-15	3.72031347E-14	-2.34854423E-14
9.60309535E-17	5.03189432E-17	1.35376132E-11	5.51293356E-12	-5.10117216E-12	-2.27263921E-13
-1.58235009E-16	-1.31842324E-15	5.51293356E-12	1.77242260E-10	-1.76108445E-10	3.77917011E-12
1.16775824E-14	3.72031347E-14	-5.10117216E-12	-1.76108445E-10	4.01847060E-10	-2.22697256E-10
-1.24851201E-14	-2.34854423E-14	-2.27263921E-13	3.77917011E-12	-2.22697256E-10	2.17167709E-10