AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008BN21 ∴ Orbital info ∴ Epoch epochXXX

(456977) 2008BN21 ▹

ORBITAL INFORMATION

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(ASCII data file 456977.eq0)

Keplerian elements at epoch
57959.5 MJD
	Value	1-σ variation	Units
a	2.53597	2.43e-08	au
e	0.244786	7.046e-08
i	3.786	2.644e-05	deg
Ω	148.821	0.0001033	deg
ω	265.915	0.0001493	deg
M	192.431	0.0001026	deg

Other useful info
Absolute Magnitude (H)	17.7	mag
Slope parameter (G)	0.15	mag
Perihelion	1.9152	au
Aphelion	3.1567	au
Asc. node-Earth separation	1.43648	au
Desc. node-Earth separation	1.33164	au
Earth MOID	0.9297	au
Orbital period	1475.08	days
Date of orbit computation	apr 23 21:27

Correlation matrix
1.00000000	-0.36042894	0.00935953	0.00333499	-0.24541721	0.34564478
-0.36042894	1.00000000	0.00169876	-0.02109221	0.55681069	-0.77940366
0.00935953	0.00169876	1.00000000	-0.69562738	0.48323072	-0.00373543
0.00333499	-0.02109221	-0.69562738	1.00000000	-0.70824244	0.02484888
-0.24541721	0.55681069	0.48323072	-0.70824244	1.00000000	-0.72247441
0.34564478	-0.77940366	-0.00373543	0.02484888	-0.72247441	1.00000000

Covariance matrix
5.90589164E-16	-6.17174614E-16	6.01385094E-15	8.36940596E-15	-8.90304473E-13	8.61690917E-13
-6.17174614E-16	4.96468068E-15	3.16470066E-15	-1.53470588E-13	5.85657935E-12	-5.63361137E-12
6.01385094E-15	3.16470066E-15	6.99055470E-10	-1.89928365E-09	1.90722162E-09	-1.01315256E-11
8.36940596E-15	-1.53470588E-13	-1.89928365E-09	1.06638663E-08	-1.09176735E-08	2.63234601E-10
-8.90304473E-13	5.85657935E-12	1.90722162E-09	-1.09176735E-08	2.22834083E-08	-1.10634877E-08
8.61690917E-13	-5.63361137E-12	-1.01315256E-11	2.63234601E-10	-1.10634877E-08	1.05234360E-08