AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008ER77 ∴ Orbital info ∴ Epoch epochXXX

(256959) 2008ER77 ▹

ORBITAL INFORMATION

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(ASCII data file 256959.eq0)

Keplerian elements at epoch
57269.7 MJD
	Value	1-σ variation	Units
a	2.78428	1.974e-08	au
e	0.046976	4.924e-08
i	4.518	6.58e-06	deg
Ω	58.557	8.506e-05	deg
ω	64.378	0.0001252	deg
M	278.515	8.994e-05	deg

Other useful info
Absolute Magnitude (H)	16.7	mag
Slope parameter (G)	0.15	mag
Perihelion	2.6535	au
Aphelion	2.9151	au
Asc. node-Earth separation	1.73469	au
Desc. node-Earth separation	1.82455	au
Earth MOID	1.67324	au
Orbital period	1696.95	days
Date of orbit computation	apr 23 20:44

Correlation matrix
1.00000000	0.19300900	-0.00030538	-0.00300749	0.02967728	-0.03974289
0.19300900	1.00000000	0.00419090	0.00873672	0.21470663	-0.30389281
-0.00030538	0.00419090	1.00000000	-0.42084674	0.28522219	0.00024232
-0.00300749	0.00873672	-0.42084674	1.00000000	-0.68078421	0.00521093
0.02967728	0.21470663	0.28522219	-0.68078421	1.00000000	-0.73517642
-0.03974289	-0.30389281	0.00024232	0.00521093	-0.73517642	1.00000000

Covariance matrix
3.89650925E-16	1.87617155E-16	-3.96649607E-17	-5.04958840E-15	7.33268089E-14	-7.05559092E-14
1.87617155E-16	2.42501395E-15	1.35796365E-15	3.65948471E-14	1.32343763E-12	-1.34590253E-12
-3.96649607E-17	1.35796365E-15	4.32959169E-11	-2.35538473E-10	2.34913342E-10	1.43402168E-13
-5.04958840E-15	3.65948471E-14	-2.35538473E-10	7.23483835E-09	-7.24811027E-09	3.98626063E-11
7.33268089E-14	1.32343763E-12	2.34913342E-10	-7.24811027E-09	1.56675756E-08	-8.27615347E-09
-7.05559092E-14	-1.34590253E-12	1.43402168E-13	3.98626063E-11	-8.27615347E-09	8.08857727E-09