AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1998BT9 ∴ Orbital info ∴ Epoch epochXXX

(79474) 1998BT9 ▹

ORBITAL INFORMATION

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(ASCII data file 79474.eq0)

Keplerian elements at epoch
58025.0 MJD
	Value	1-σ variation	Units
a	2.84293	1.715e-08	au
e	0.067862	4.119e-08
i	10.244	4.445e-06	deg
Ω	89.741	2.486e-05	deg
ω	99.637	4.153e-05	deg
M	287.679	3.325e-05	deg

Other useful info
Absolute Magnitude (H)	15.1	mag
Slope parameter (G)	0.15	mag
Perihelion	2.65	au
Aphelion	3.0359	au
Asc. node-Earth separation	1.87913	au
Desc. node-Earth separation	1.78161	au
Earth MOID	1.67353	au
Orbital period	1750.85	days
Date of orbit computation	apr 23 20:03

Correlation matrix
1.00000000	-0.04369916	-0.00876765	0.00335048	0.13450188	-0.17723921
-0.04369916	1.00000000	-0.00399303	0.00530729	0.06916069	-0.07487415
-0.00876765	-0.00399303	1.00000000	-0.08954600	0.05305464	0.00070893
0.00335048	0.00530729	-0.08954600	1.00000000	-0.58637181	-0.00229030
0.13450188	0.06916069	0.05305464	-0.58637181	1.00000000	-0.80485919
-0.17723921	-0.07487415	0.00070893	-0.00229030	-0.80485919	1.00000000

Covariance matrix
2.94163608E-16	-3.08746219E-17	-6.68431646E-16	1.42868388E-15	9.57974640E-14	-1.01063028E-13
-3.08746219E-17	1.69694685E-15	-7.31165201E-16	5.43551586E-15	1.18310863E-13	-1.02542530E-13
-6.68431646E-16	-7.31165201E-16	1.97587025E-11	-9.89599773E-12	9.79340714E-12	1.04765343E-13
1.42868388E-15	5.43551586E-15	-9.89599773E-12	6.18113739E-10	-6.05394501E-10	-1.89306488E-12
9.57974640E-14	1.18310863E-13	9.79340714E-12	-6.05394501E-10	1.72449677E-09	-1.11119205E-09
-1.01063028E-13	-1.02542530E-13	1.04765343E-13	-1.89306488E-12	-1.11119205E-09	1.10528951E-09