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AstDyS ∴ Objects ∴ 2011HN21 ∴ Summary
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(389606) 2011HN21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.40547 1.089e-08 au
e 0.144665 6.189e-08
i 4.028 4.945e-06 deg
Ω 116.714 9.881e-05 deg
ω 107.42 0.0001016 deg
M 171.215 2.198e-05 deg

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Other useful info
Absolute Magnitude (H)    17.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0575 au
Aphelion 2.7535 au
Asc. node-Earth separation 1.47887 au
Desc. node-Earth separation 1.24101 au
Earth MOID 1.05274 au
Orbital period 1362.7 days
Date of orbit computation  feb 22 03:12
Observational summary
Optical observations (Discarded) 248 (0)
Radar observations (Discarded) 0 (0)
Arc length 10022.2 days
Unobserved 160 days

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Ephemeris at epoch 60397 MJD
Right Ascension 28.1961 deg
Declination 8.38848 deg
V Magnitude 23.4 mag
Solar Elongation -21.91 deg
Galactic Latitude -51.5 deg
Rate 0.399 deg/day
Direction 68.563 deg

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