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AstDyS ∴ Objects ∴ 1999HA4 ∴ Summary
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(80020) 1999HA4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.9643 1.779e-08 au
e 0.13272 4.473e-08
i 14.333 5.932e-06 deg
Ω 212.76 2.08e-05 deg
ω 39.695 3.088e-05 deg
M 286.798 2.337e-05 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5709 au
Aphelion 3.3577 au
Asc. node-Earth separation 1.63673 au
Desc. node-Earth separation 2.25002 au
Earth MOID 1.57491 au
Orbital period 1864.15 days
Date of orbit computation  apr 23 20:03
Observational summary
Optical observations (Discarded) 592 (30)
Radar observations (Discarded) 0 (0)
Arc length 9100.52 days
Unobserved 39 days

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Ephemeris at epoch 60425 MJD
Right Ascension 149.168 deg
Declination -0.66289 deg
V Magnitude 20.3 mag
Solar Elongation -115.92 deg
Galactic Latitude 39.66 deg
Rate 0.115 deg/day
Direction 37.485 deg

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