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(2290) Helffrich  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.59258 5.88e-09 au
e 0.232768 2.87e-08
i 11.55 2.584e-06 deg
Ω 155.878 1.649e-05 deg
ω 270.458 1.743e-05 deg
M 96.665 5.226e-06 deg

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Other useful info
Absolute Magnitude (H)    12.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9891 au
Aphelion 3.1961 au
Asc. node-Earth separation 1.45801 au
Desc. node-Earth separation 1.44729 au
Earth MOID 1.04203 au
Orbital period 1524.75 days
Date of orbit computation  apr 23 19:46
Observational summary
Optical observations (Discarded) 4820 (44)
Radar observations (Discarded) 0 (0)
Arc length 33639.4 days
Unobserved 54 days

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Ephemeris at epoch 60446 MJD
Right Ascension 182.993 deg
Declination 9.43633 deg
V Magnitude 17.57 mag
Solar Elongation -123.1 deg
Galactic Latitude 70 deg
Rate 0.017 deg/day
Direction -130.906 deg

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