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(101) Helena  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.5826 4.802e-09 au
e 0.140889 2.675e-08
i 10.194 1.636e-06 deg
Ω 343.371 1.967e-05 deg
ω 347.877 2.279e-05 deg
M 181.101 1.271e-05 deg

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Other useful info
Absolute Magnitude (H)    8.6 mag
Slope parameter (G)    0.35 mag
Perihelion 2.2187 au
Aphelion 2.9465 au
Asc. node-Earth separation 1.21733 au
Desc. node-Earth separation 1.94439 au
Earth MOID 1.20945 au
Orbital period 1515.95 days
Date of orbit computation  apr 23 19:45
Observational summary
Optical observations (Discarded) 6954 (110)
Radar observations (Discarded) 0 (0)
Arc length 55879.4 days
Unobserved 37 days

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Ephemeris at epoch 60427 MJD
Right Ascension 140.274 deg
Declination 16.8387 deg
V Magnitude 13.79 mag
Solar Elongation -100.52 deg
Galactic Latitude 40.51 deg
Rate 0.123 deg/day
Direction 128.321 deg

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