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AstDyS ∴ Objects ∴ 1999PR1 ∴ Summary
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(42837) 1999PR1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.438 6.755e-09 au
e 0.07483 2.958e-08
i 2.168 3.2e-06 deg
Ω 10.843 8.524e-05 deg
ω 352.594 8.804e-05 deg
M 143.516 2.298e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2556 au
Aphelion 2.6204 au
Asc. node-Earth separation 1.25718 au
Desc. node-Earth separation 1.61962 au
Earth MOID 1.25279 au
Orbital period 1390.43 days
Date of orbit computation  apr 23 19:55
Observational summary
Optical observations (Discarded) 2555 (6)
Radar observations (Discarded) 0 (0)
Arc length 9463.15 days
Unobserved 37 days

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Ephemeris at epoch 60426 MJD
Right Ascension 138.053 deg
Declination 17.6036 deg
V Magnitude 19.67 mag
Solar Elongation -99.24 deg
Galactic Latitude 38.82 deg
Rate 0.171 deg/day
Direction 112.691 deg

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