AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1998HQ142 ∴ Orbital info ∴ Epoch epochXXX

(91130) 1998HQ142 ▹

ORBITAL INFORMATION

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(ASCII data file 91130.eq0)

Keplerian elements at epoch
57647.0 MJD
	Value	1-σ variation	Units
a	2.70589	1.285e-08	au
e	0.055218	4.719e-08
i	6.916	4.089e-06	deg
Ω	127.125	3.808e-05	deg
ω	221.131	5.367e-05	deg
M	272.581	3.835e-05	deg

Other useful info
Absolute Magnitude (H)	14.9	mag
Slope parameter (G)	0.15	mag
Perihelion	2.5565	au
Aphelion	2.8553	au
Asc. node-Earth separation	1.83152	au
Desc. node-Earth separation	1.57499	au
Earth MOID	1.55237	au
Orbital period	1625.78	days
Date of orbit computation	apr 23 20:06

Correlation matrix
1.00000000	0.10075457	0.00213843	0.00049502	-0.06844891	0.08738056
0.10075457	1.00000000	-0.00278038	0.00102936	0.13003525	-0.22104247
0.00213843	-0.00278038	1.00000000	0.19603643	-0.14520242	0.01113316
0.00049502	0.00102936	0.19603643	1.00000000	-0.70984055	0.00772687
-0.06844891	0.13003525	-0.14520242	-0.70984055	1.00000000	-0.70696095
0.08738056	-0.22104247	0.01113316	0.00772687	-0.70696095	1.00000000

Covariance matrix
1.65026888E-16	6.10764030E-17	1.12334080E-16	2.42144048E-16	-4.71969115E-14	4.30470663E-14
6.10764030E-17	2.22670485E-15	-5.36507113E-16	1.84957736E-15	3.29353365E-13	-3.99998574E-13
1.12334080E-16	-5.36507113E-16	1.67216472E-11	3.05245861E-11	-3.18700721E-11	1.74586027E-12
2.42144048E-16	1.84957736E-15	3.05245861E-11	1.44992968E-09	-1.45078798E-09	1.12830965E-11
-4.71969115E-14	3.29353365E-13	-3.18700721E-11	-1.45078798E-09	2.88097400E-09	-1.45517919E-09
4.30470663E-14	-3.99998574E-13	1.74586027E-12	1.12830965E-11	-1.45517919E-09	1.47062777E-09