NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2001HW15 ∴ Orbital info ∴ Epoch 56783 MJD
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(516398) 2001HW15  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 516398.eq0)
Keplerian elements
(Epoch 56783.5 MJD)
Value 1-σ variation Units
a 1.5254 4.407e-09 au
e 0.252919 8.765e-08
i 18.987 1.436e-05 deg
Ω 56.53 1.209e-05 deg
ω 194.808 2.52e-05 deg
M 309.663 2.288e-05 deg
Other useful info
Absolute Magnitude (H)    20.2 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1396 au
Aphelion distance 1.9112 au
Asc. node-Earth separation 0.90129 au
Desc. node-Earth separation 0.13601 au
Earth MOID 0.13384 au
Orbital period 688.132 days
Date of orbit computation   Jul 29 14:05

Covariance matrix
1.94253023E-179.74957344E-17-9.74594594E-152.30943796E-156.73659379E-14-8.52685860E-14
9.74957344E-177.68299492E-15-3.68889048E-13-8.92915562E-14-5.63477078E-133.15418677E-13
-9.74594594E-15-3.68889048E-132.06328416E-10-7.99661287E-118.39006548E-111.19386905E-11
2.30943796E-15-8.92915562E-14-7.99661287E-111.46127812E-10-1.06642365E-10-2.69377872E-11
6.73659379E-14-5.63477078E-138.39006548E-11-1.06642365E-106.35280276E-10-4.92876783E-10
-8.52685860E-143.15418677E-131.19386905E-11-2.69377872E-11-4.92876783E-105.23271038E-10

Correlation matrix
1.000000000.25236926-0.153943230.043346690.60642037-0.84574963
0.252369261.00000000-0.29298877-0.08427110-0.255051740.15731089
-0.15394323-0.292988771.00000000-0.460532310.231741140.03633405
0.04334669-0.08427110-0.460532311.00000000-0.35001015-0.09741641
0.60642037-0.255051740.23174114-0.350010151.00000000-0.85485474
-0.845749630.157310890.03633405-0.09741641-0.854854741.00000000