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AstDyS ∴ Objects ∴ 1999RJ221 ∴ Summary
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(42911) 1999RJ221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.18275 5.486e-09 au
e 0.143804 3.801e-08
i 4.786 3.944e-06 deg
Ω 103.832 4.892e-05 deg
ω 176.387 5.114e-05 deg
M 281.247 1.563e-05 deg

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Other useful info
Absolute Magnitude (H)    15.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8689 au
Aphelion 2.4966 au
Asc. node-Earth separation 1.51317 au
Desc. node-Earth separation 0.85266 au
Earth MOID 0.85222 au
Orbital period 1177.89 days
Date of orbit computation  feb 22 01:59
Observational summary
Optical observations (Discarded) 1531 (9)
Radar observations (Discarded) 0 (0)
Arc length 11582.3 days
Unobserved 85 days

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Ephemeris at epoch 60416 MJD
Right Ascension 180.067 deg
Declination 9.16378 deg
V Magnitude 18.31 mag
Solar Elongation -149.16 deg
Galactic Latitude 68.35 deg
Rate 0.19 deg/day
Direction -75.473 deg

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