AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1990QS4 ∴ Orbital info ∴ Epoch epochXXX

(16475) 1990QS4 ▹

ORBITAL INFORMATION

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(ASCII data file 16475.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.21774	5.106e-09	au
e	0.116992	2.23e-08
i	5.522	1.69e-06	deg
Ω	107.63	3.078e-05	deg
ω	212.21	3.406e-05	deg
M	77.917	1.495e-05	deg

Other useful info
Absolute Magnitude (H)	14.7	mag
Slope parameter (G)	0.15	mag
Perihelion	1.9583	au
Aphelion	2.4772	au
Asc. node-Earth separation	1.44484	au
Desc. node-Earth separation	0.97386	au
Earth MOID	0.94721	au
Orbital period	1206.32	days
Date of orbit computation	apr 23 19:49

Correlation matrix
1.00000000	0.37640750	-0.00251377	-0.00305382	0.05581300	-0.27291901
0.37640750	1.00000000	-0.02565249	-0.01740285	0.21436215	-0.58168177
-0.00251377	-0.02565249	1.00000000	-0.34634696	0.29409816	0.04198532
-0.00305382	-0.01740285	-0.34634696	1.00000000	-0.90945230	0.02427510
0.05581300	0.21436215	0.29409816	-0.90945230	1.00000000	-0.42998291
-0.27291901	-0.58168177	0.04198532	0.02427510	-0.42998291	1.00000000

Covariance matrix
2.60671429E-17	4.28499499E-17	-2.16942151E-17	-4.79878499E-16	9.70543734E-15	-2.08264293E-14
4.28499499E-17	4.97153693E-16	-9.66823743E-16	-1.19428313E-14	1.62789522E-13	-1.93849686E-13
-2.16942151E-17	-9.66823743E-16	2.85722773E-12	-1.80187818E-11	1.69315895E-11	1.06072838E-12
-4.79878499E-16	-1.19428313E-14	-1.80187818E-11	9.47290621E-10	-9.53354764E-10	1.11670134E-11
9.70543734E-15	1.62789522E-13	1.69315895E-11	-9.53354764E-10	1.16002139E-09	-2.18886266E-10
-2.08264293E-14	-1.93849686E-13	1.06072838E-12	1.11670134E-11	-2.18886266E-10	2.23392523E-10