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AstDyS ∴ Objects ∴ Helwerthia ∴ Summary
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(801) Helwerthia  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.60495 8.258e-09 au
e 0.077786 3.904e-08
i 14.128 4.755e-06 deg
Ω 185.973 1.392e-05 deg
ω 334.889 2.746e-05 deg
M 235.439 2.358e-05 deg

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Other useful info
Absolute Magnitude (H)    11.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4023 au
Aphelion 2.8076 au
Asc. node-Earth separation 1.41934 au
Desc. node-Earth separation 1.78357 au
Earth MOID 1.41278 au
Orbital period 1535.67 days
Date of orbit computation  Oct 8 21:12
Observational summary
Optical observations (Discarded) 2139 (21)
Radar observations (Discarded) 0 (0)
Arc length 37802.7 days
Unobserved 27 days

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Ephemeris at epoch 58407 MJD
Right Ascension 35.5231 deg
Declination 4.41549 deg
V Magnitude 15.41 mag
Solar Elongation 164.62 deg
Galactic Latitude -51.6 deg
Rate 0.245 deg/day
Direction -130.413 deg

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