AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2012HQ18 ∴ Orbital info ∴ Epoch epochXXX

(466141) 2012HQ18 ▹

ORBITAL INFORMATION

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(ASCII data file 466141.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.69815	3.31e-08	au
e	0.065206	6.154e-08
i	12.308	5.672e-06	deg
Ω	125.309	3.586e-05	deg
ω	166.244	7.786e-05	deg
M	188.025	6.625e-05	deg

Other useful info
Absolute Magnitude (H)	17.1	mag
Slope parameter (G)	0.15	mag
Perihelion	2.5222	au
Aphelion	2.8741	au
Asc. node-Earth separation	1.88435	au
Desc. node-Earth separation	1.51142	au
Earth MOID	1.50753	au
Orbital period	1618.82	days
Date of orbit computation	apr 23 21:29

Correlation matrix
1.00000000	0.51442830	-0.00203899	-0.01352414	-0.42865067	0.39566500
0.51442830	1.00000000	-0.02662417	-0.01727910	-0.34475690	0.36493951
-0.00203899	-0.02662417	1.00000000	-0.03445995	0.03497948	-0.02101978
-0.01352414	-0.01727910	-0.03445995	1.00000000	-0.42318599	-0.02956374
-0.42865067	-0.34475690	0.03497948	-0.42318599	1.00000000	-0.88700354
0.39566500	0.36493951	-0.02101978	-0.02956374	-0.88700354	1.00000000

Covariance matrix
1.09585898E-15	1.04791150E-15	-3.82818650E-16	-1.60541078E-14	-1.10484497E-12	8.67762574E-13
1.04791150E-15	3.78655996E-15	-9.29176976E-15	-3.81279052E-14	-1.65179400E-12	1.48778183E-12
-3.82818650E-16	-9.29176976E-15	3.21662113E-11	-7.00831978E-12	1.54466314E-11	-7.89812485E-12
-1.60541078E-14	-3.81279052E-14	-7.00831978E-12	1.28587467E-09	-1.18154729E-09	-7.02351769E-11
-1.10484497E-12	-1.65179400E-12	1.54466314E-11	-1.18154729E-09	6.06235003E-09	-4.57553412E-09
8.67762574E-13	1.48778183E-12	-7.89812485E-12	-7.02351769E-11	-4.57553412E-09	4.38926581E-09