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AstDyS ∴ Objects ∴ 1998YM21 ∴ Summary
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(168446) 1998YM21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.76332 1.86e-08 au
e 0.043568 5.813e-08
i 1.579 5.088e-06 deg
Ω 278.715 0.0002222 deg
ω 58.245 0.0002313 deg
M 315.74 6.592e-05 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6429 au
Aphelion 2.8837 au
Asc. node-Earth separation 1.67935 au
Desc. node-Earth separation 1.8404 au
Earth MOID 1.63321 au
Orbital period 1677.82 days
Date of orbit computation  feb 22 02:26
Observational summary
Optical observations (Discarded) 420 (1)
Radar observations (Discarded) 0 (0)
Arc length 8953.9 days
Unobserved 282 days

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Ephemeris at epoch 60398 MJD
Right Ascension 309.943 deg
Declination -18.1379 deg
V Magnitude 21.79 mag
Solar Elongation 60.86 deg
Galactic Latitude -31.8 deg
Rate 0.357 deg/day
Direction 74.182 deg

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