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.eq0)

Keplerian elements at epoch
58095.6 MJD
	Value	1-σ variation	Units
a	3.15706	2.522e-08	au
e	0.141705	3.839e-08
i	11.6	6.277e-06	deg
Ω	178.149	2.19e-05	deg
ω	286.577	3.563e-05	deg
M	124.651	2.581e-05	deg

Other useful info
Absolute Magnitude (H)	15.6	mag
Slope parameter (G)	0.15	mag
Perihelion	2.7097	au
Aphelion	3.6044	au
Asc. node-Earth separation	1.978	au
Desc. node-Earth separation	2.22077	au
Earth MOID	1.75435	au
Orbital period	2048.91	days
Date of orbit computation	apr 23 20:46

Correlation matrix
1.00000000	-0.12172202	0.00730252	0.00637308	-0.32371759	0.40704959
-0.12172202	1.00000000	-0.00121323	-0.00194369	0.13766215	-0.13790153
0.00730252	-0.00121323	1.00000000	0.21030795	-0.11948631	-0.00808394
0.00637308	-0.00194369	0.21030795	1.00000000	-0.61241547	0.01278700
-0.32371759	0.13766215	-0.11948631	-0.61241547	1.00000000	-0.79112559
0.40704959	-0.13790153	-0.00808394	0.01278700	-0.79112559	1.00000000

Covariance matrix
6.36085705E-16	-1.17841810E-16	1.15604831E-15	3.52006687E-15	-2.90905189E-13	2.65004977E-13
-1.17841810E-16	1.47348209E-15	-2.92321428E-16	-1.63396963E-15	1.88284401E-13	-1.36643952E-13
1.15604831E-15	-2.92321428E-16	3.93994898E-11	2.89097806E-11	-2.67233448E-11	-1.30983675E-12
3.52006687E-15	-1.63396963E-15	2.89097806E-11	4.79609326E-10	-4.77878302E-10	7.22872150E-12
-2.90905189E-13	1.88284401E-13	-2.67233448E-11	-4.77878302E-10	1.26956430E-09	-7.27648552E-10
2.65004977E-13	-1.36643952E-13	-1.30983675E-12	7.22872150E-12	-7.27648552E-10	6.66342902E-10