NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2018HD ∴ Orbital info ∴ Epoch 58226 MJD

2018HD ▹

ORBITAL INFORMATION

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(ASCII data file 2018HD.eq0)

Keplerian elements
(Epoch 58226.3 MJD)
	Value	1-σ variation	Units
a	1.94158	0.007279	au
e	0.47791	0.001929
i	4.631	0.01394	deg
Ω	206.005	0.0008976	deg
ω	341.264	0.00326	deg
M	6.678	0.0418	deg

Other useful info
Absolute Magnitude (H)	27.3	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0137	au
Aphelion distance	2.8695	au
Asc. node-Earth separation	0.02785	au
Desc. node-Earth separation	1.73894	au
Earth MOID	0.02143	au
Orbital period	988.17	days
Date of orbit computation	feb 26 11:43

Covariance matrix
5.29907707E-05	1.40392184E-05	1.01486960E-04	6.53272835E-06	2.35255912E-05	-3.04296236E-04
1.40392184E-05	3.71950942E-06	2.68876494E-05	1.73076401E-06	6.23255349E-06	-8.06192750E-05
1.01486960E-04	2.68876494E-05	1.94367356E-04	1.25118052E-05	4.50591646E-05	-5.82783704E-04
6.53272835E-06	1.73076401E-06	1.25118052E-05	8.05724938E-07	2.89827024E-06	-3.75133194E-05
2.35255912E-05	6.23255349E-06	4.50591646E-05	2.89827024E-06	1.06255915E-05	-1.35146719E-04
-3.04296236E-04	-8.06192750E-05	-5.82783704E-04	-3.75133194E-05	-1.35146719E-04	1.74741760E-03

Correlation matrix
1.00000000	0.99999995	0.99999645	0.99977225	0.99143414	-0.99999565
0.99999995	1.00000000	0.99999618	0.99977350	0.99139477	-0.99999471
0.99999645	0.99999618	1.00000000	0.99980409	0.99150501	-0.99999397
0.99977225	0.99977350	0.99980409	1.00000000	0.99053293	-0.99975535
0.99143414	0.99139477	0.99150501	0.99053293	1.00000000	-0.99181483
-0.99999565	-0.99999471	-0.99999397	-0.99975535	-0.99181483	1.00000000