NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2017HW4 ∴ Orbital info ∴ Epoch 57637 MJD
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2017HW4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2017HW4.eq0)
Keplerian elements
(Epoch 57637.8 MJD)
Value 1-σ variation Units
a 0.977901 5.79e-08 au
e 0.362375 1.09e-06
i 18.589 4.91e-05 deg
Ω 218.343 1.815e-05 deg
ω 116.756 3.974e-05 deg
M 40.617 5.523e-05 deg
Other useful info
Absolute Magnitude (H)    22.0 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.6235 au
Aphelion distance 1.3323 au
Asc. node-Earth separation 0.00714 au
Desc. node-Earth separation -0.26215 au
Earth MOID 0.00443 au
Orbital period 353.216 days
Date of orbit computation   Jul 29 12:00

Covariance matrix
3.35236391E-15-6.22723111E-148.38347045E-13-4.55396503E-13-2.02952306E-12-2.81916441E-12
-6.22723111E-141.18889522E-12-1.76810330E-119.40173515E-123.82230630E-115.35351513E-11
8.38347045E-13-1.76810330E-112.41041039E-09-7.79249771E-101.50212810E-10-1.17600448E-09
-4.55396503E-139.40173515E-12-7.79249771E-103.29305326E-105.22362066E-114.62386932E-10
-2.02952306E-123.82230630E-111.50212810E-105.22362066E-111.57933149E-091.44620848E-09
-2.81916441E-125.35351513E-11-1.17600448E-094.62386932E-101.44620848E-093.05084547E-09

Correlation matrix
1.00000000-0.986387630.29491901-0.43342578-0.88202677-0.88152518
-0.986387631.00000000-0.330286140.475156690.882098430.88890867
0.29491901-0.330286141.00000000-0.874644980.07698832-0.43366400
-0.433425780.47515669-0.874644981.000000000.072432860.46131340
-0.882026770.882098430.076988320.072432861.000000000.65884636
-0.881525180.88890867-0.433664000.461313400.658846361.00000000