AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999LZ21 ∴ Orbital info ∴ Epoch epochXXX

(20458) 1999LZ21 ▹

ORBITAL INFORMATION

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(ASCII data file 20458.eq0)

Keplerian elements at epoch
57508.5 MJD
	Value	1-σ variation	Units
a	2.34367	5.006e-09	au
e	0.222913	3.867e-08
i	5.853	4.393e-06	deg
Ω	212.689	2.983e-05	deg
ω	126.11	3.116e-05	deg
M	198.521	8.105e-06	deg

Other useful info
Absolute Magnitude (H)	15.5	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8212	au
Aphelion	2.8661	au
Asc. node-Earth separation	1.5586	au
Desc. node-Earth separation	0.97429	au
Earth MOID	0.81917	au
Orbital period	1310.52	days
Date of orbit computation	apr 23 19:50

Correlation matrix
1.00000000	0.30984475	-0.01219686	-0.00293570	0.02940834	-0.13217575
0.30984475	1.00000000	-0.01346301	-0.00963593	0.10656112	-0.44580844
-0.01219686	-0.01346301	1.00000000	-0.24450380	0.22859254	0.01327240
-0.00293570	-0.00963593	-0.24450380	1.00000000	-0.95459824	0.00820966
0.02940834	0.10656112	0.22859254	-0.95459824	1.00000000	-0.29241238
-0.13217575	-0.44580844	0.01327240	0.00820966	-0.29241238	1.00000000

Covariance matrix
2.50631123E-17	5.99884755E-17	-2.68257104E-16	-4.38444238E-16	4.58795020E-15	-5.36327552E-15
5.99884755E-17	1.49558938E-15	-2.28735684E-15	-1.11169417E-14	1.28420873E-13	-1.39738253E-13
-2.68257104E-16	-2.28735684E-15	1.93006269E-11	-3.20447403E-11	3.12952498E-11	4.72602652E-13
-4.38444238E-16	-1.11169417E-14	-3.20447403E-11	8.89960770E-10	-8.87435364E-10	1.98504916E-12
4.58795020E-15	1.28420873E-13	3.12952498E-11	-8.87435364E-10	9.71094148E-10	-7.38562520E-11
-5.36327552E-15	-1.39738253E-13	4.72602652E-13	1.98504916E-12	-7.38562520E-11	6.56933900E-11