AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2001AL21 ∴ Orbital info ∴ Epoch epochXXX

(72240) 2001AL21 ▹

ORBITAL INFORMATION

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(ASCII data file 72240.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.41262	9.574e-09	au
e	0.067778	3.917e-08
i	3.741	4.898e-06	deg
Ω	339.596	5.796e-05	deg
ω	67.645	7.215e-05	deg
M	124.77	4.022e-05	deg

Other useful info
Absolute Magnitude (H)	15.9	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2491	au
Aphelion	2.5761	au
Asc. node-Earth separation	1.33261	au
Desc. node-Earth separation	1.47475	au
Earth MOID	1.2616	au
Orbital period	1368.77	days
Date of orbit computation	apr 23 20:01

Correlation matrix
1.00000000	0.14855639	0.00943497	-0.00919942	-0.10209467	0.07684204
0.14855639	1.00000000	-0.00045250	0.00173099	-0.22876039	0.35782019
0.00943497	-0.00045250	1.00000000	0.03481119	-0.02676242	-0.00326662
-0.00919942	0.00173099	0.03481119	1.00000000	-0.80361555	0.00600340
-0.10209467	-0.22876039	-0.02676242	-0.80361555	1.00000000	-0.59479320
0.07684204	0.35782019	-0.00326662	0.00600340	-0.59479320	1.00000000

Covariance matrix
9.16681601E-17	5.57110317E-17	4.42443573E-16	-5.10477013E-15	-7.05284558E-14	2.95911680E-14
5.57110317E-17	1.53419732E-15	-8.68097601E-17	3.92955009E-15	-6.46507391E-13	5.63714788E-13
4.42443573E-16	-8.68097601E-17	2.39892434E-11	9.88175005E-12	-9.45770522E-12	-6.43518658E-13
-5.10477013E-15	3.92955009E-15	9.88175005E-12	3.35902656E-09	-3.36052474E-09	1.39945137E-11
-7.05284558E-14	-6.46507391E-13	-9.45770522E-12	-3.36052474E-09	5.20599919E-09	-1.72612411E-09
2.95911680E-14	5.63714788E-13	-6.43518658E-13	1.39945137E-11	-1.72612411E-09	1.61773716E-09