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(1872) Helenos  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 5.32245 7.017e-08 au
e 0.049418 4.296e-08
i 14.644 4.396e-06 deg
Ω 188.769 1.621e-05 deg
ω 116.245 4.928e-05 deg
M 44.016 4.535e-05 deg

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Other useful info
Absolute Magnitude (H)    10.9 mag
Slope parameter (G)    0.15 mag
Perihelion 5.0594 au
Aphelion 5.5855 au
Asc. node-Earth separation 4.42959 au
Desc. node-Earth separation 4.19563 au
Earth MOID 4.07556 au
Orbital period 4485.03 days
Date of orbit computation  apr 23 19:46
Observational summary
Optical observations (Discarded) 2849 (9)
Radar observations (Discarded) 0 (0)
Arc length 25216.1 days
Unobserved 111 days

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Ephemeris at epoch 60427 MJD
Right Ascension 0.92947 deg
Declination 3.55238 deg
V Magnitude 18.77 mag
Solar Elongation 34.73 deg
Galactic Latitude -57.23 deg
Rate 0.209 deg/day
Direction 70.402 deg

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