NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 1998HM1 ∴ Orbital info ∴ Epoch 60400 MJD

1998HM1 ▹

ORBITAL INFORMATION

◲

(ASCII data file 1998HM1.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	1.41182	0.0001386	au
e	0.361175	0.0007957
i	3.217	0.005377	deg
Ω	201.725	0.5195	deg
ω	70.039	0.6559	deg
M	142.474	10.06	deg

Other useful info
Absolute Magnitude (H)	24.3	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.9019	au
Aphelion distance	1.9217	au
Asc. node-Earth separation	0.09041	au
Desc. node-Earth separation	0.40416	au
Earth MOID	0.01645	au
Orbital period	612.73	days
Date of orbit computation	feb 26 10:23

Covariance matrix
1.92116084E-08	1.10284419E-07	-7.43577805E-07	7.19992913E-05	-9.09079305E-05	-1.39458833E-03
1.10284419E-07	6.33093018E-07	-4.26783075E-06	4.13312984E-04	-5.21856004E-04	-8.00564320E-03
-7.43577805E-07	-4.26783075E-06	2.89074747E-05	-2.78660737E-03	3.51882083E-03	5.39774004E-02
7.19992913E-05	4.13312984E-04	-2.78660737E-03	2.69831659E-01	-3.40695304E-01	-5.22649496E+00
-9.09079305E-05	-5.21856004E-04	3.51882083E-03	-3.40695304E-01	4.30170540E-01	6.59909249E+00
-1.39458833E-03	-8.00564320E-03	5.39774004E-02	-5.22649496E+00	6.59909249E+00	1.01234458E+02

Correlation matrix
1.00000000	0.99999662	-0.99779076	0.99999979	-0.99999902	-0.99999996
0.99999662	1.00000000	-0.99762736	0.99999732	-0.99999215	-0.99999606
-0.99779076	-0.99762736	1.00000000	-0.99775578	0.99786490	0.99779818
0.99999979	0.99999732	-0.99775578	1.00000000	-0.99999854	-0.99999978
-0.99999902	-0.99999215	0.99786490	-0.99999854	1.00000000	0.99999932
-0.99999996	-0.99999606	0.99779818	-0.99999978	0.99999932	1.00000000