AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1991PB ∴ Orbital info ∴ Epoch epochXXX

(12721) 1991PB ▹

ORBITAL INFORMATION

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(ASCII data file 12721.eq0)

Keplerian elements at epoch
57761.1 MJD
	Value	1-σ variation	Units
a	2.33929	5.972e-09	au
e	0.246379	2.781e-08
i	2.59	2.986e-06	deg
Ω	150.115	7.062e-05	deg
ω	182.841	7.098e-05	deg
M	26.708	6.912e-06	deg

Other useful info
Absolute Magnitude (H)	13.9	mag
Slope parameter (G)	0.15	mag
Perihelion	1.7629	au
Aphelion	2.9156	au
Asc. node-Earth separation	1.92632	au
Desc. node-Earth separation	0.7528	au
Earth MOID	0.75272	au
Orbital period	1306.85	days
Date of orbit computation	apr 23 19:48

Correlation matrix
1.00000000	0.28738441	-0.00247991	-0.00450315	0.01616331	-0.16746378
0.28738441	1.00000000	-0.00251918	0.00120973	0.01044625	-0.20757072
-0.00247991	-0.00251918	1.00000000	0.10304754	-0.10280050	0.00662859
-0.00450315	0.00120973	0.10304754	1.00000000	-0.99474877	0.00425009
0.01616331	0.01044625	-0.10280050	-0.99474877	1.00000000	-0.10083411
-0.16746378	-0.20757072	0.00662859	0.00425009	-0.10083411	1.00000000

Covariance matrix
3.56645349E-17	4.77358749E-17	-4.42199614E-17	-1.89925645E-15	6.85156611E-15	-6.91304075E-15
4.77358749E-17	7.73618397E-16	-2.09211559E-16	2.37629397E-15	2.06236301E-14	-3.99079526E-14
-4.42199614E-17	-2.09211559E-16	8.91512744E-12	2.17295296E-11	-2.17871379E-11	1.36809044E-13
-1.89925645E-15	2.37629397E-15	2.17295296E-11	4.98767110E-09	-4.98658828E-09	2.07480255E-12
6.85156611E-15	2.06236301E-14	-2.17871379E-11	-4.98658828E-09	5.03828109E-09	-4.94741821E-11
-6.91304075E-15	-3.99079526E-14	1.36809044E-13	2.07480255E-12	-4.94741821E-11	4.77815149E-11