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AstDyS ∴ Objects ∴ 1981EJ42 ∴ Summary
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(52257) 1981EJ42  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.17259 3.994e-08 au
e 0.115776 9.507e-08
i 11.328 1.072e-05 deg
Ω 183.952 3.104e-05 deg
ω 348.82 4.359e-05 deg
M 248.089 3.476e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8053 au
Aphelion 3.5399 au
Asc. node-Earth separation 1.81192 au
Desc. node-Earth separation 2.52873 au
Earth MOID 1.80947 au
Orbital period 2064.05 days
Date of orbit computation  Oct 31 05:29
Observational summary
Optical observations (Discarded) 366 (6)
Radar observations (Discarded) 0 (0)
Arc length 13764.1 days
Unobserved 184 days

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Ephemeris at epoch 58596 MJD
Right Ascension 69.7348 deg
Declination 13.0656 deg
V Magnitude 20.93 mag
Solar Elongation -38.62 deg
Galactic Latitude -21.76 deg
Rate 0.336 deg/day
Direction 79.451 deg

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