AstDyS-2

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AstDyS ∴ Objects ∴ 1998WS21 ∴ Summary
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(49370) 1998WS21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.60241 8.18e-09 au
e 0.131465 3.387e-08
i 1.941 3.455e-06 deg
Ω 276.618 0.0001206 deg
ω 162.835 0.0001217 deg
M 358.35 1.53e-05 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2603 au
Aphelion 2.9445 au
Asc. node-Earth separation 1.90793 au
Desc. node-Earth separation 1.28949 au
Earth MOID 1.27639 au
Orbital period 1533.42 days
Date of orbit computation  feb 22 02:00
Observational summary
Optical observations (Discarded) 1597 (8)
Radar observations (Discarded) 0 (0)
Arc length 12046.8 days
Unobserved 97 days

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Ephemeris at epoch 60419 MJD
Right Ascension 65.3531 deg
Declination 21.8563 deg
V Magnitude 20 mag
Solar Elongation -38.13 deg
Galactic Latitude -19.46 deg
Rate 0.484 deg/day
Direction 81.474 deg

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