AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008SM21 ∴ Orbital info ∴ Epoch epochXXX

(269291) 2008SM21 ▹

ORBITAL INFORMATION

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(ASCII data file 269291.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	3.1536	2.458e-08	au
e	0.144762	3.813e-08
i	11.6	6.276e-06	deg
Ω	178.057	2.192e-05	deg
ω	286.209	3.516e-05	deg
M	170.598	2.397e-05	deg

Other useful info
Absolute Magnitude (H)	15.6	mag
Slope parameter (G)	0.15	mag
Perihelion	2.6971	au
Aphelion	3.6101	au
Asc. node-Earth separation	1.97227	au
Desc. node-Earth separation	2.21408	au
Earth MOID	1.74267	au
Orbital period	2045.54	days
Date of orbit computation	apr 23 20:46

Correlation matrix
1.00000000	-0.10105198	0.02712703	0.00752267	-0.26790771	0.16242619
-0.10105198	1.00000000	-0.00594537	-0.00195996	0.11572354	-0.09802213
0.02712703	-0.00594537	1.00000000	0.20969860	-0.12110557	-0.01304204
0.00752267	-0.00195996	0.20969860	1.00000000	-0.61999756	0.01081024
-0.26790771	0.11572354	-0.12110557	-0.61999756	1.00000000	-0.77092416
0.16242619	-0.09802213	-0.01304204	0.01081024	-0.77092416	1.00000000

Covariance matrix
6.04262160E-16	-9.47118411E-17	4.18482175E-15	4.05371596E-15	-2.31548289E-13	9.57243697E-14
-9.47118411E-17	1.45376253E-15	-1.42261531E-15	-1.63818167E-15	1.55135823E-13	-8.96034313E-14
4.18482175E-15	-1.42261531E-15	3.93843743E-11	2.88486902E-11	-2.67220503E-11	-1.96228071E-12
4.05371596E-15	-1.63818167E-15	2.88486902E-11	4.80548460E-10	-4.77861724E-10	5.68142882E-12
-2.31548289E-13	1.55135823E-13	-2.67220503E-11	-4.77861724E-10	1.23619601E-09	-6.49843954E-10
9.57243697E-14	-8.96034313E-14	-1.96228071E-12	5.68142882E-12	-6.49843954E-10	5.74787770E-10