AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ Cowell ∴ Orbital info ∴ Epoch epochXXX

(1898) Cowell ▹

ORBITAL INFORMATION

◲

(ASCII data file 1898.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	3.12843	1.156e-08	au
e	0.156712	2.63e-08
i	1.031	3.386e-06	deg
Ω	163.018	0.0001588	deg
ω	235.433	0.0001592	deg
M	189.034	1.036e-05	deg

Other useful info
Absolute Magnitude (H)	12.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.6382	au
Aphelion	3.6187	au
Asc. node-Earth separation	2.35775	au
Desc. node-Earth separation	1.79508	au
Earth MOID	1.64611	au
Orbital period	2021.1	days
Date of orbit computation	Jun 5 00:37

Correlation matrix
1.00000000	0.16015178	0.00327175	0.00033193	-0.02442423	0.05353517
0.16015178	1.00000000	-0.00018546	-0.00093642	-0.01340407	0.16001072
0.00327175	-0.00018546	1.00000000	0.03697640	-0.03717098	0.00578920
0.00033193	-0.00093642	0.03697640	1.00000000	-0.99731807	0.00055682
-0.02442423	-0.01340407	-0.03717098	-0.99731807	1.00000000	-0.06950116
0.05353517	0.16001072	0.00578920	0.00055682	-0.06950116	1.00000000

Covariance matrix
1.33518989E-16	4.86621692E-17	1.28015197E-16	6.09029349E-16	-4.49369094E-14	6.40737395E-15
4.86621692E-17	6.91474758E-16	-1.65139734E-17	-3.90998084E-15	-5.61223113E-14	4.35819474E-14
1.28015197E-16	-1.65139734E-17	1.14662305E-11	1.98814912E-11	-2.00412662E-11	2.03047639E-13
6.09029349E-16	-3.90998084E-15	1.98814912E-11	2.52132050E-08	-2.52149763E-08	9.15798555E-13
-4.49369094E-14	-5.61223113E-14	-2.00412662E-11	-2.52149763E-08	2.53525530E-08	-1.14623141E-10
6.40737395E-15	4.35819474E-14	2.03047639E-13	9.15798555E-13	-1.14623141E-10	1.07284939E-10