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.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	3.18169	2.237e-08	au
e	0.040486	4.078e-08
i	4.355	4.903e-06	deg
Ω	38.042	6.779e-05	deg
ω	205.015	9.889e-05	deg
M	158.459	7.228e-05	deg

Other useful info
Absolute Magnitude (H)	15.7	mag
Slope parameter (G)	0.15	mag
Perihelion	3.0529	au
Aphelion	3.3105	au
Asc. node-Earth separation	2.30548	au
Desc. node-Earth separation	2.05716	au
Earth MOID	2.04062	au
Orbital period	2072.93	days
Date of orbit computation	apr 23 20:20

Correlation matrix
1.00000000	0.03392108	-0.00126917	0.00229898	-0.19663754	0.20333042
0.03392108	1.00000000	0.00307536	0.00874322	-0.06233307	0.08927523
-0.00126917	0.00307536	1.00000000	-0.20129102	0.13803042	-0.00064037
0.00229898	0.00874322	-0.20129102	1.00000000	-0.67121474	-0.01494544
-0.19663754	-0.06233307	0.13803042	-0.67121474	1.00000000	-0.72869176
0.20333042	0.08927523	-0.00064037	-0.01494544	-0.72869176	1.00000000

Covariance matrix
5.00402702E-16	3.09433181E-17	-1.39209958E-16	3.48602524E-15	-4.34997112E-13	3.28781786E-13
3.09433181E-17	1.66293323E-15	6.14929331E-16	2.41682108E-14	-2.51371524E-13	2.63156406E-13
-1.39209958E-16	6.14929331E-16	2.40427263E-11	-6.69039448E-11	6.69309193E-11	-2.26968970E-13
3.48602524E-15	2.41682108E-14	-6.69039448E-11	4.59484595E-09	-4.49942577E-09	-7.32301280E-11
-4.34997112E-13	-2.51371524E-13	6.69309193E-11	-4.49942577E-09	9.77958120E-09	-5.20894245E-09
3.28781786E-13	2.63156406E-13	-2.26968970E-13	-7.32301280E-11	-5.20894245E-09	5.22505840E-09