NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2015HW9 ∴ Orbital info ∴ Epoch 57133 MJD

2015HW9 ▹

ORBITAL INFORMATION

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(ASCII data file 2015HW9.eq0)

Keplerian elements
(Epoch 57133.4 MJD)
	Value	1-σ variation	Units
a	1.43865	0.004351	au
e	0.251033	0.001688
i	25.8	0.1162	deg
Ω	34.866	0.0009515	deg
ω	115.95	0.193	deg
M	37.801	0.2745	deg

Other useful info
Absolute Magnitude (H)	23.6	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0775	au
Aphelion distance	1.7998	au
Asc. node-Earth separation	0.51928	au
Desc. node-Earth separation	0.20857	au
Earth MOID	0.1898	au
Orbital period	630.276	days
Date of orbit computation	feb 26 11:08

Covariance matrix
1.89270877E-05	7.34276723E-06	5.05687252E-04	-4.13634524E-06	8.39016971E-04	-1.19427193E-03
7.34276723E-06	2.84943022E-06	1.96150418E-04	-1.60415526E-06	3.25317065E-04	-4.63254510E-04
5.05687252E-04	1.96150418E-04	1.35121798E-02	-1.10541882E-04	2.24232248E-02	-3.19103801E-02
-4.13634524E-06	-1.60415526E-06	-1.10541882E-04	9.05299500E-07	-1.83479005E-04	2.61038327E-04
8.39016971E-04	3.25317065E-04	2.24232248E-02	-1.83479005E-04	3.72335001E-02	-5.29553773E-02
-1.19427193E-03	-4.63254510E-04	-3.19103801E-02	2.61038327E-04	-5.29553773E-02	7.53621453E-02

Correlation matrix
1.00000000	0.99985921	0.99994796	-0.99926055	0.99945194	-0.99996477
0.99985921	1.00000000	0.99964896	-0.99878324	0.99875945	-0.99968694
0.99994796	0.99964896	1.00000000	-0.99946596	0.99969710	-0.99998306
-0.99926055	-0.99878324	-0.99946596	1.00000000	-0.99936309	0.99938197
0.99945194	0.99875945	0.99969710	-0.99936309	1.00000000	-0.99969267
-0.99996477	-0.99968694	-0.99998306	0.99938197	-0.99969267	1.00000000