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AstDyS ∴ Objects ∴ 1997UK21 ∴ Summary
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(27981) 1997UK21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.58923 6.628e-09 au
e 0.163856 2.857e-08
i 4.059 3.631e-06 deg
Ω 23.282 4.361e-05 deg
ω 73.092 4.503e-05 deg
M 89.697 1.092e-05 deg

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Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.165 au
Aphelion 3.0135 au
Asc. node-Earth separation 1.40925 au
Desc. node-Earth separation 1.64285 au
Earth MOID 1.18634 au
Orbital period 1521.79 days
Date of orbit computation  feb 22 01:56
Observational summary
Optical observations (Discarded) 2441 (8)
Radar observations (Discarded) 0 (0)
Arc length 17255.2 days
Unobserved 91 days

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Ephemeris at epoch 60420 MJD
Right Ascension 205.976 deg
Declination -11.4345 deg
V Magnitude 17.69 mag
Solar Elongation -178.03 deg
Galactic Latitude 49.39 deg
Rate 0.238 deg/day
Direction -74.85 deg

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