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AstDyS ∴ Objects ∴ 2015RK221 ∴ Summary
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(517855) 2015RK221  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.93517 1.1e-07 au
e 0.02947 5.726e-07
i 2.977 1.008e-05 deg
Ω 102.688 0.00054 deg
ω 228.004 0.001004 deg
M 258.452 0.0008361 deg

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Other useful info
Absolute Magnitude (H)    17.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8487 au
Aphelion 3.0217 au
Asc. node-Earth separation 2.00737 au
Desc. node-Earth separation 1.85831 au
Earth MOID 1.83716 au
Orbital period 1836.75 days
Date of orbit computation  Oct 31 10:08
Observational summary
Optical observations (Discarded) 38 (0)
Radar observations (Discarded) 0 (0)
Arc length 5933.19 days
Unobserved 343 days

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Ephemeris at epoch 58565 MJD
Right Ascension 278.874 deg
Declination -21.9301 deg
V Magnitude 23.01 mag
Solar Elongation 83.58 deg
Galactic Latitude -6.48 deg
Rate 0.238 deg/day
Direction 87.359 deg

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