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AstDyS ∴ Objects ∴ 1999RQ221 ∴ Summary
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(42912) 1999RQ221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.26994 7.08e-09 au
e 0.134465 3.555e-08
i 7.153 3.911e-06 deg
Ω 292.648 3.781e-05 deg
ω 1.198 4.216e-05 deg
M 129.235 2.176e-05 deg

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Other useful info
Absolute Magnitude (H)    15.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9647 au
Aphelion 2.5752 au
Asc. node-Earth separation 0.9484 au
Desc. node-Earth separation 1.59214 au
Earth MOID 0.94839 au
Orbital period 1249.17 days
Date of orbit computation  apr 23 19:55
Observational summary
Optical observations (Discarded) 1302 (6)
Radar observations (Discarded) 0 (0)
Arc length 10950.7 days
Unobserved 105 days

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Ephemeris at epoch 60426 MJD
Right Ascension 65.5657 deg
Declination 24.5089 deg
V Magnitude 20.99 mag
Solar Elongation -32.06 deg
Galactic Latitude -17.55 deg
Rate 0.426 deg/day
Direction 83.842 deg

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