AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2004HW21 ∴ Orbital info ∴ Epoch epochXXX

(149695) 2004HW21 ▹

ORBITAL INFORMATION

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(ASCII data file 149695.eq0)

Keplerian elements at epoch
57838.2 MJD
	Value	1-σ variation	Units
a	3.17284	2.334e-08	au
e	0.042553	4.157e-08
i	4.36	4.908e-06	deg
Ω	38.061	6.779e-05	deg
ω	198.496	9.572e-05	deg
M	78.465	6.88e-05	deg

Other useful info
Absolute Magnitude (H)	15.7	mag
Slope parameter (G)	0.15	mag
Perihelion	3.0378	au
Aphelion	3.3079	au
Asc. node-Earth separation	2.3061	au
Desc. node-Earth separation	2.03719	au
Earth MOID	2.02603	au
Orbital period	2064.29	days
Date of orbit computation	apr 23 20:20

Correlation matrix
1.00000000	-0.02565227	0.00127991	-0.00804090	-0.16463073	0.23694786
-0.02565227	1.00000000	0.00285551	0.00688624	-0.10954975	0.15500621
0.00127991	0.00285551	1.00000000	-0.20484960	0.14565869	-0.00130953
-0.00804090	0.00688624	-0.20484960	1.00000000	-0.69493372	-0.01418820
-0.16463073	-0.10954975	0.14565869	-0.69493372	1.00000000	-0.70813685
0.23694786	0.15500621	-0.00130953	-0.01418820	-0.70813685	1.00000000

Covariance matrix
5.44811083E-16	-2.48926404E-17	1.46623084E-16	-1.27230024E-14	-3.67808280E-13	3.80532182E-13
-2.48926404E-17	1.72840051E-15	5.82647535E-16	1.94073678E-14	-4.35934460E-13	4.43391038E-13
1.46623084E-16	5.82647535E-16	2.40880312E-11	-6.81550269E-11	6.84265550E-11	-4.42211969E-13
-1.27230024E-14	1.94073678E-14	-6.81550269E-11	4.59540954E-09	-4.50913379E-09	-6.61766773E-11
-3.67808280E-13	-4.35934460E-13	6.84265550E-11	-4.50913379E-09	9.16168287E-09	-4.66359091E-09
3.80532182E-13	4.43391038E-13	-4.42211969E-13	-6.61766773E-11	-4.66359091E-09	4.73403271E-09