NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2001HW15 ∴ Summary
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(516398) 2001HW15  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 1.52534 5.952e-09 au
e 0.252961 1.066e-07
i 18.989 2.044e-05 deg
Ω 56.51 1.661e-05 deg
ω 194.796 3.401e-05 deg
M 75.36 3.258e-05 deg

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Other useful info
Absolute Magnitude (H)    20.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1395 au
Aphelion 1.9112 au
Asc. node-Earth separation 0.90133 au
Desc. node-Earth separation 0.13421 au
Earth MOID 0.13207 au
Orbital period 688.094 days
Date of orbit computation   Oct 1 22:22
Observational summary
Optical observations (Discarded) 176 (4)
Radar observations (Discarded) 0 (0)
Arc length 6195 days
Unobserved 200 days

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Ephemeris at epoch 58412 MJD
Right Ascension 344.34 deg
Declination -39.3118 deg
V Magnitude 22.15 mag
Solar Elongation -117.3 deg
Galactic Latitude -63.37 deg
Rate 0.539 deg/day
Direction 4.306 deg

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