AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2007XR18 ∴ Orbital info ∴ Epoch epochXXX

(305231) 2007XR18 ▹

ORBITAL INFORMATION

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(ASCII data file 305231.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.70863	1.947e-08	au
e	0.11539	6.468e-08
i	12.2	4.304e-06	deg
Ω	270.103	2.827e-05	deg
ω	89.675	3.81e-05	deg
M	301.904	2.27e-05	deg

Other useful info
Absolute Magnitude (H)	16.1	mag
Slope parameter (G)	0.15	mag
Perihelion	2.3961	au
Aphelion	3.0212	au
Asc. node-Earth separation	1.6544	au
Desc. node-Earth separation	1.69142	au
Earth MOID	1.43069	au
Orbital period	1628.25	days
Date of orbit computation	apr 23 20:54

Correlation matrix
1.00000000	0.40536294	-0.02658474	-0.00571584	-0.09027978	-0.10056395
0.40536294	1.00000000	-0.07126045	-0.02743104	-0.09396026	-0.01054631
-0.02658474	-0.07126045	1.00000000	-0.18214291	0.11215811	0.04226183
-0.00571584	-0.02743104	-0.18214291	1.00000000	-0.72322961	0.00271660
-0.09027978	-0.09396026	0.11215811	-0.72322961	1.00000000	-0.66422900
-0.10056395	-0.01054631	0.04226183	0.00271660	-0.66422900	1.00000000

Covariance matrix
3.78903447E-16	5.10400044E-16	-2.22737430E-15	-3.14503027E-15	-6.69632181E-14	-4.44397614E-14
5.10400044E-16	4.18412623E-15	-1.98402639E-14	-5.01562415E-14	-2.31594448E-13	-1.54870200E-14
-2.22737430E-15	-1.98402639E-14	1.85264807E-11	-2.21609849E-11	1.83953774E-11	4.12961803E-12
-3.14503027E-15	-5.01562415E-14	-2.21609849E-11	7.99025547E-10	-7.79001113E-10	1.74329357E-12
-6.69632181E-14	-2.31594448E-13	1.83953774E-11	-7.79001113E-10	1.45198824E-09	-5.74598494E-10
-4.44397614E-14	-1.54870200E-14	4.12961803E-12	1.74329357E-12	-5.74598494E-10	5.15383130E-10