AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1998HM52 ∴ Orbital info ∴ Epoch epochXXX

(12518) 1998HM52 ▹

ORBITAL INFORMATION

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(ASCII data file 12518.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.27665	5.061e-09	au
e	0.216165	2.812e-08
i	6.122	3.028e-06	deg
Ω	85.305	2.689e-05	deg
ω	236.276	2.757e-05	deg
M	125.773	7.219e-06	deg

Other useful info
Absolute Magnitude (H)	13.8	mag
Slope parameter (G)	0.15	mag
Perihelion	1.7845	au
Aphelion	2.7688	au
Asc. node-Earth separation	1.48257	au
Desc. node-Earth separation	0.92199	au
Earth MOID	0.78018	au
Orbital period	1254.71	days
Date of orbit computation	apr 23 19:48

Correlation matrix
1.00000000	-0.04912982	0.00271103	0.00498350	0.00368119	-0.39772060
-0.04912982	1.00000000	-0.01586068	0.00082118	-0.01701198	0.07031700
0.00271103	-0.01586068	1.00000000	0.12629890	-0.11968840	-0.00796675
0.00498350	0.00082118	0.12629890	1.00000000	-0.96824725	-0.00473343
0.00368119	-0.01701198	-0.11968840	-0.96824725	1.00000000	-0.21621465
-0.39772060	0.07031700	-0.00796675	-0.00473343	-0.21621465	1.00000000

Covariance matrix
2.56127856E-17	-6.99094072E-18	4.15492321E-17	6.78275677E-16	5.13626388E-16	-1.45309952E-14
-6.99094072E-18	7.90540379E-16	-1.35046537E-15	6.20931641E-16	-1.31870416E-14	1.42728673E-14
4.15492321E-17	-1.35046537E-15	9.17063230E-12	1.02859160E-11	-9.99268471E-12	-1.74168556E-13
6.78275677E-16	6.20931641E-16	1.02859160E-11	7.23248535E-10	-7.17894378E-10	-9.18985178E-13
5.13626388E-16	-1.31870416E-14	-9.99268471E-12	-7.17894378E-10	7.60082957E-10	-4.30332822E-11
-1.45309952E-14	1.42728673E-14	-1.74168556E-13	-9.18985178E-13	-4.30332822E-11	5.21167978E-11