AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2001HL18 ∴ Orbital info ∴ Epoch epochXXX

(275742) 2001HL18 ▹

ORBITAL INFORMATION

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(ASCII data file 275742.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.36287	9.113e-09	au
e	0.31205	3.231e-08
i	22.141	7.986e-06	deg
Ω	53.429	1.261e-05	deg
ω	71.595	1.948e-05	deg
M	172.778	1.301e-05	deg

Other useful info
Absolute Magnitude (H)	16.3	mag
Slope parameter (G)	0.15	mag
Perihelion	1.6255	au
Aphelion	3.1002	au
Asc. node-Earth separation	0.95337	au
Desc. node-Earth separation	1.35496	au
Earth MOID	0.76628	au
Orbital period	1326.66	days
Date of orbit computation	apr 23 20:48

Correlation matrix
1.00000000	0.17299873	0.03438993	-0.03305755	0.02658709	-0.37455780
0.17299873	1.00000000	-0.01066538	0.00378425	0.18128125	-0.25519206
0.03438993	-0.01066538	1.00000000	-0.49596254	0.27162876	0.03975563
-0.03305755	0.00378425	-0.49596254	1.00000000	-0.60140241	0.00964877
0.02658709	0.18128125	0.27162876	-0.60140241	1.00000000	-0.72938478
-0.37455780	-0.25519206	0.03975563	0.00964877	-0.72938478	1.00000000

Covariance matrix
8.30535323E-17	5.09455278E-17	2.50272326E-15	-3.79913151E-15	4.72017380E-15	-4.44026246E-14
5.09455278E-17	1.04416276E-15	-2.75209131E-15	1.54205035E-15	1.14115640E-13	-1.07265979E-13
2.50272326E-15	-2.75209131E-15	6.37683075E-11	-4.99442954E-11	4.22558060E-11	4.12963667E-12
-3.79913151E-15	1.54205035E-15	-4.99442954E-11	1.59026369E-10	-1.47743345E-10	1.58276789E-12
4.72017380E-15	1.14115640E-13	4.22558060E-11	-1.47743345E-10	3.79504017E-10	-1.84831348E-10
-4.44026246E-14	-1.07265979E-13	4.12963667E-12	1.58276789E-12	-1.84831348E-10	1.69208231E-10