AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1990QR1 ∴ Orbital info ∴ Epoch epochXXX

(11879) 1990QR1 ▹

ORBITAL INFORMATION

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(ASCII data file 11879.eq0)

Keplerian elements at epoch
57088.6 MJD
	Value	1-σ variation	Units
a	2.78312	1.173e-08	au
e	0.066991	3.742e-08
i	1.135	3.804e-06	deg
Ω	129.413	0.0002089	deg
ω	192.704	0.0002113	deg
M	120.077	3.192e-05	deg

Other useful info
Absolute Magnitude (H)	14.3	mag
Slope parameter (G)	0.15	mag
Perihelion	2.5967	au
Aphelion	2.9696	au
Asc. node-Earth separation	1.97963	au
Desc. node-Earth separation	1.58712	au
Earth MOID	1.58489	au
Orbital period	1695.89	days
Date of orbit computation	apr 23 19:48

Correlation matrix
1.00000000	0.01822342	-0.00154111	0.00300250	-0.00523488	0.01477341
0.01822342	1.00000000	-0.00014760	0.00111457	0.04208299	-0.28903025
-0.00154111	-0.00014760	1.00000000	0.25557555	-0.25269436	0.00175385
0.00300250	0.00111457	0.25557555	1.00000000	-0.98895270	0.00327362
-0.00523488	0.04208299	-0.25269436	-0.98895270	1.00000000	-0.15085859
0.01477341	-0.28903025	0.00175385	0.00327362	-0.15085859	1.00000000

Covariance matrix
1.37631503E-16	7.99941865E-18	-6.87732015E-17	7.35879798E-15	-1.29783490E-14	5.53256028E-15
7.99941865E-18	1.40003554E-15	-2.10081012E-17	8.71248894E-15	3.32759046E-13	-3.45222775E-13
-6.87732015E-17	-2.10081012E-17	1.44694179E-11	2.03100218E-10	-2.03130342E-10	2.12963531E-13
7.35879798E-15	8.71248894E-15	2.03100218E-10	4.36446581E-08	-4.36611126E-08	2.18313643E-11
-1.29783490E-14	3.32759046E-13	-2.03130342E-10	-4.36611126E-08	4.46588419E-08	-1.01767803E-09
5.53256028E-15	-3.45222775E-13	2.12963531E-13	2.18313643E-11	-1.01767803E-09	1.01899778E-09