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AstDyS ∴ Objects ∴ 1987RA1 ∴ Summary
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(5428) 1987RA1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.90163 1.225e-08 au
e 0.040056 3.046e-08
i 0.937 3.017e-06 deg
Ω 269.14 0.0003199 deg
ω 17.369 0.0003283 deg
M 188.396 7.545e-05 deg

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Other useful info
Absolute Magnitude (H)    12.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7854 au
Aphelion 3.0179 au
Asc. node-Earth separation 1.7739 au
Desc. node-Earth separation 2.02926 au
Earth MOID 1.76879 au
Orbital period 1805.35 days
Date of orbit computation  feb 22 01:51
Observational summary
Optical observations (Discarded) 3106 (7)
Radar observations (Discarded) 0 (0)
Arc length 25242 days
Unobserved 77 days

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Ephemeris at epoch 60419 MJD
Right Ascension 100.281 deg
Declination 22.6783 deg
V Magnitude 18.69 mag
Solar Elongation -70.38 deg
Galactic Latitude 7.98 deg
Rate 0.263 deg/day
Direction 94.24 deg

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