AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2004YL21 ∴ Orbital info ∴ Epoch epochXXX

(167768) 2004YL21 ▹

ORBITAL INFORMATION

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(ASCII data file 167768.eq0)

Keplerian elements at epoch
57869.9 MJD
	Value	1-σ variation	Units
a	2.29271	8.888e-09	au
e	0.210467	4.542e-08
i	2.863	4.197e-06	deg
Ω	291.89	0.0001231	deg
ω	144.877	0.0001245	deg
M	222.735	1.552e-05	deg

Other useful info
Absolute Magnitude (H)	17.5	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8102	au
Aphelion	2.7753	au
Asc. node-Earth separation	1.62923	au
Desc. node-Earth separation	0.88483	au
Earth MOID	0.82438	au
Orbital period	1268.01	days
Date of orbit computation	apr 23 20:24

Correlation matrix
1.00000000	-0.49231538	0.01307540	0.01051883	0.00859271	-0.14484898
-0.49231538	1.00000000	-0.01841491	0.00764486	-0.05912428	0.37388932
0.01307540	-0.01841491	1.00000000	0.09007939	-0.08654564	-0.01994467
0.01051883	0.00764486	0.09007939	1.00000000	-0.98823397	0.00271231
0.00859271	-0.05912428	-0.08654564	-0.98823397	1.00000000	-0.15270925
-0.14484898	0.37388932	-0.01994467	0.00271231	-0.15270925	1.00000000

Covariance matrix
7.89905908E-17	-1.98734030E-16	4.87783309E-16	1.15108894E-14	9.50415895E-15	-1.99811014E-14
-1.98734030E-16	2.06291961E-15	-3.51070995E-15	4.27527899E-14	-3.34197106E-13	2.63572744E-13
4.87783309E-16	-3.51070995E-15	1.76184779E-11	4.65546840E-11	-4.52090195E-11	-1.29935361E-12
1.15108894E-14	4.27527899E-14	4.65546840E-11	1.51602894E-08	-1.51429056E-08	5.18333150E-12
9.50415895E-15	-3.34197106E-13	-4.52090195E-11	-1.51429056E-08	1.54878591E-08	-2.94969653E-10
-1.99811014E-14	2.63572744E-13	-1.29935361E-12	5.18333150E-12	-2.94969653E-10	2.40897656E-10