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(28137) Helenyao  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.3921 7.476e-09 au
e 0.076976 3.095e-08
i 7.286 4.302e-06 deg
Ω 8.724 2.398e-05 deg
ω 228.469 3.802e-05 deg
M 100.045 3.064e-05 deg

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Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.208 au
Aphelion 2.5762 au
Asc. node-Earth separation 1.50549 au
Desc. node-Earth separation 1.26403 au
Earth MOID 1.20475 au
Orbital period 1351.35 days
Date of orbit computation  feb 22 01:56
Observational summary
Optical observations (Discarded) 1992 (9)
Radar observations (Discarded) 0 (0)
Arc length 11152.3 days
Unobserved 235 days

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Ephemeris at epoch 60398 MJD
Right Ascension 353.531 deg
Declination -5.07211 deg
V Magnitude 19.93 mag
Solar Elongation 16.53 deg
Galactic Latitude -61.26 deg
Rate 0.463 deg/day
Direction 64.32 deg

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