NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009HC21 ∴ Orbital info ∴ Epoch 55682 MJD
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2009HC21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2009HC21.eq0)
Keplerian elements
(Epoch 55682.0 MJD)
Value 1-σ variation Units
a 1.16825 1.49e-08 au
e 0.157076 2.353e-07
i 19.353 2.086e-05 deg
Ω 213.338 1.491e-05 deg
ω 126.872 5.649e-05 deg
M 102.631 5.411e-05 deg
Other useful info
Absolute Magnitude (H)    22.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9847 au
Aphelion distance 1.3518 au
Asc. node-Earth separation 0.25243 au
Desc. node-Earth separation 0.04576 au
Earth MOID 0.0426 au
Orbital period 461.216 days
Date of orbit computation   Jul 29 11:13

Covariance matrix
2.21964542E-162.88222260E-151.69178598E-132.03570222E-146.34606561E-13-6.18741037E-13
2.88222260E-155.53529522E-143.14661636E-125.14083925E-131.00715571E-11-9.01701956E-12
1.69178598E-133.14661636E-124.35206802E-10-3.27642509E-117.39252728E-10-6.46933942E-10
2.03570222E-145.14083925E-13-3.27642509E-112.22433554E-10-2.09884968E-104.33033370E-11
6.34606561E-131.00715571E-117.39252728E-10-2.09884968E-103.19156163E-09-2.94051819E-09
-6.18741037E-13-9.01701956E-12-6.46933942E-104.33033370E-11-2.94051819E-092.92808379E-09

Correlation matrix
1.000000000.822271660.544321870.091616210.75398228-0.76749467
0.822271661.000000000.641099690.146508720.75774767-0.70827329
0.544321870.641099691.00000000-0.105305790.62725406-0.57308673
0.091616210.14650872-0.105305791.00000000-0.249103350.05365738
0.753982280.757747670.62725406-0.249103351.00000000-0.96190128
-0.76749467-0.70827329-0.573086730.05365738-0.961901281.00000000