AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1987AN ∴ Orbital info ∴ Epoch epochXXX

(161997) 1987AN ▹

ORBITAL INFORMATION

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(ASCII data file 161997.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.34811	1.212e-08	au
e	0.185978	4.935e-08
i	3.007	4.856e-06	deg
Ω	136.121	8.732e-05	deg
ω	221.51	8.824e-05	deg
M	219.112	1.498e-05	deg

Other useful info
Absolute Magnitude (H)	16.6	mag
Slope parameter (G)	0.15	mag
Perihelion	1.9114	au
Aphelion	2.7848	au
Asc. node-Earth separation	1.64784	au
Desc. node-Earth separation	0.97634	au
Earth MOID	0.90842	au
Orbital period	1314.25	days
Date of orbit computation	apr 23 20:23

Correlation matrix
1.00000000	0.30931064	0.00370784	-0.00205114	0.03120860	-0.64120493
0.30931064	1.00000000	0.00031328	0.00106479	-0.00835979	-0.16291090
0.00370784	0.00031328	1.00000000	0.16282607	-0.16233731	0.00997511
-0.00205114	0.00106479	0.16282607	1.00000000	-0.98919140	0.00589504
0.03120860	-0.00835979	-0.16233731	-0.98919140	1.00000000	-0.13028460
-0.64120493	-0.16291090	0.00997511	0.00589504	-0.13028460	1.00000000

Covariance matrix
1.46938112E-16	1.85041557E-16	2.18245899E-16	-2.17098193E-15	3.33825551E-14	-1.16448072E-13
1.85041557E-16	2.43564710E-15	7.50749990E-17	4.58845289E-15	-3.64066322E-14	-1.20455200E-13
2.18245899E-16	7.50749990E-17	2.35784162E-11	6.90359727E-11	-6.95590576E-11	7.25676763E-13
-2.17098193E-15	4.58845289E-15	6.90359727E-11	7.62409632E-09	-7.62171231E-09	7.71168377E-12
3.33825551E-14	-3.64066322E-14	-6.95590576E-11	-7.62171231E-09	7.78674705E-09	-1.72242108E-10
-1.16448072E-13	-1.20455200E-13	7.25676763E-13	7.71168377E-12	-1.72242108E-10	2.24458701E-10