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AstDyS ∴ Objects ∴ 2001HJ39 ∴ Summary
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(77499) 2001HJ39  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.89331 1.402e-08 au
e 0.060066 3.957e-08
i 1.625 4.462e-06 deg
Ω 183.447 0.0001332 deg
ω 124.62 0.0001376 deg
M 149.654 3.405e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7195 au
Aphelion 3.0671 au
Asc. node-Earth separation 1.98778 au
Desc. node-Earth separation 1.78592 au
Earth MOID 1.70492 au
Orbital period 1797.59 days
Date of orbit computation  apr 23 20:02
Observational summary
Optical observations (Discarded) 1214 (6)
Radar observations (Discarded) 0 (0)
Arc length 8769.77 days
Unobserved 104 days

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Ephemeris at epoch 60425 MJD
Right Ascension 89.8256 deg
Declination 22.0597 deg
V Magnitude 21.19 mag
Solar Elongation -54.9 deg
Galactic Latitude -0.85 deg
Rate 0.308 deg/day
Direction 88.922 deg

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