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Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009HB21 ∴ Orbital info ∴ Epoch 60400 MJD
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2009HB21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2009HB21.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.73658 0.01667 au
e 0.421142 0.00528
i 39.711 0.1964 deg
Ω 206.773 0.0175 deg
ω 317.394 0.28 deg
M 207.71 34.88 deg
Other useful info
Absolute Magnitude (H)    22.9 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0052 au
Aphelion distance 2.4679 au
Asc. node-Earth separation 0.08679 au
Desc. node-Earth separation 1.07525 au
Earth MOID 0.08247 au
Orbital period 835.875 days
Date of orbit computation   feb 26 10:36

Covariance matrix
2.77846144E-048.80067755E-053.27359450E-03-2.91721274E-044.66619889E-03-5.81385145E-01
8.80067755E-052.78759492E-051.03690580E-03-9.24006815E-051.47795876E-03-1.84151660E-01
3.27359450E-031.03690580E-033.85701765E-02-3.43701783E-035.49748873E-02-6.84990256E+00
-2.91721274E-04-9.24006815E-05-3.43701783E-033.06298913E-04-4.89958053E-036.10418561E-01
4.66619889E-031.47795876E-035.49748873E-02-4.89958053E-037.83809739E-02-9.76389289E+00
-5.81385145E-01-1.84151660E-01-6.84990256E+006.10418561E-01-9.76389289E+001.21653186E+03

Correlation matrix
1.000000000.999997910.99999282-0.999984310.99989807-1.00000000
0.999997911.000000000.99999692-0.999971480.99986682-0.99999784
0.999992820.999996921.00000000-0.999961420.99984622-0.99999272
-0.99998431-0.99997148-0.999961421.00000000-0.999955900.99998448
0.999898070.999866820.99984622-0.999955901.00000000-0.99989854
-1.00000000-0.99999784-0.999992720.99998448-0.999898541.00000000