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AstDyS ∴ Objects ∴ 1981ER16 ∴ Summary
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(73659) 1981ER16  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.51307 1.063e-08 au
e 0.097515 7.775e-08
i 11.786 7.259e-06 deg
Ω 341.167 2.045e-05 deg
ω 235.469 4.23e-05 deg
M 256.126 3.367e-05 deg

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Other useful info
Absolute Magnitude (H)    15.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.268 au
Aphelion 2.7581 au
Asc. node-Earth separation 1.62671 au
Desc. node-Earth separation 1.368 au
Earth MOID 1.28602 au
Orbital period 1455.15 days
Date of orbit computation  feb 22 02:05
Observational summary
Optical observations (Discarded) 794 (3)
Radar observations (Discarded) 0 (0)
Arc length 15661.7 days
Unobserved 87 days

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Ephemeris at epoch 60397 MJD
Right Ascension 78.5169 deg
Declination 32.7791 deg
V Magnitude 20.99 mag
Solar Elongation -73.01 deg
Galactic Latitude -3.53 deg
Rate 0.308 deg/day
Direction 98.308 deg

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