AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2001QR221 ∴ Orbital info ∴ Epoch epochXXX

(109479) 2001QR221 ▹

ORBITAL INFORMATION

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(ASCII data file 109479.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.58618	1.268e-08	au
e	0.158749	3.569e-08
i	13.346	4.925e-06	deg
Ω	181.444	1.447e-05	deg
ω	235.672	2.133e-05	deg
M	77.323	1.664e-05	deg

Other useful info
Absolute Magnitude (H)	15.6	mag
Slope parameter (G)	0.15	mag
Perihelion	2.1756	au
Aphelion	2.9967	au
Asc. node-Earth separation	1.77259	au
Desc. node-Earth separation	1.3114	au
Earth MOID	1.21472	au
Orbital period	1519.1	days
Date of orbit computation	apr 23 20:11

Correlation matrix
1.00000000	-0.23974898	0.00246445	-0.01014196	0.17984212	-0.44632219
-0.23974898	1.00000000	0.00142500	0.01301783	-0.29988145	0.44197821
0.00246445	0.00142500	1.00000000	-0.05882229	0.04485609	-0.00819450
-0.01014196	0.01301783	-0.05882229	1.00000000	-0.67485729	0.02116292
0.17984212	-0.29988145	0.04485609	-0.67485729	1.00000000	-0.72137105
-0.44632219	0.44197821	-0.00819450	0.02116292	-0.72137105	1.00000000

Covariance matrix
1.60824976E-16	-1.08511613E-16	1.53925097E-16	-1.86095975E-15	4.86406648E-14	-9.41830159E-14
-1.08511613E-16	1.27375356E-15	2.50477917E-16	6.72232641E-15	-2.28256761E-13	2.62476804E-13
1.53925097E-16	2.50477917E-16	2.42562679E-11	-4.19171817E-12	4.71155966E-12	-6.71555328E-13
-1.86095975E-15	6.72232641E-15	-4.19171817E-12	2.09351647E-10	-2.08248303E-10	5.09519992E-12
4.86406648E-14	-2.28256761E-13	4.71155966E-12	-2.08248303E-10	4.54844214E-10	-2.55998492E-10
-9.41830159E-14	2.62476804E-13	-6.71555328E-13	5.09519992E-12	-2.55998492E-10	2.76882000E-10