NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2015HW9 ∴ Orbital info ∴ Epoch 60400 MJD
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2015HW9  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2015HW9.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.43865 0.004324 au
e 0.250825 0.001656
i 25.802 0.1164 deg
Ω 34.825 0.001212 deg
ω 116.023 0.1934 deg
M 103.572 8.716 deg
Other useful info
Absolute Magnitude (H)    23.6 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0778 au
Aphelion distance 1.7995 au
Asc. node-Earth separation 0.5221 au
Desc. node-Earth separation 0.20841 au
Earth MOID 0.18977 au
Orbital period 630.276 days
Date of orbit computation   feb 26 11:08

Covariance matrix
1.86998172E-057.15942135E-065.03127845E-04-5.23852375E-068.35869670E-04-3.76915174E-02
7.15942135E-062.74186017E-061.92596757E-04-2.00520010E-063.19841773E-04-1.44305292E-02
5.03127845E-041.92596757E-041.35383106E-02-1.40968953E-042.24961603E-02-1.01411121E+00
-5.23852375E-06-2.00520010E-06-1.40968953E-041.46869700E-06-2.34252050E-041.05588469E-02
8.35869670E-043.19841773E-042.24961603E-02-2.34252050E-043.74037152E-02-1.68480107E+00
-3.76915174E-02-1.44305292E-02-1.01411121E+001.05588469E-02-1.68480107E+007.59713623E+01

Correlation matrix
1.000000000.999854010.99994805-0.999595130.99945332-0.99999996
0.999854011.000000000.99964105-0.999238050.99874625-0.99984954
0.999948050.999641051.00000000-0.999712530.99969792-0.99995024
-0.99959513-0.99923805-0.999712531.00000000-0.999447360.99959813
0.999453320.998746250.99969792-0.999447361.00000000-0.99946203
-0.99999996-0.99984954-0.999950240.99959813-0.999462031.00000000