AstDyS-2

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AstDyS ∴ Objects ∴ 1997WS21 ∴ Summary
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(10901) 1997WS21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.21929 5.654e-09 au
e 0.120393 3.561e-08
i 2.881 3.273e-06 deg
Ω 167.249 6.567e-05 deg
ω 248.138 6.706e-05 deg
M 2.846 1.243e-05 deg

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Other useful info
Absolute Magnitude (H)    15.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9521 au
Aphelion 2.4865 au
Asc. node-Earth separation 1.29738 au
Desc. node-Earth separation 1.08682 au
Earth MOID 0.96594 au
Orbital period 1207.59 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 1946 (7)
Radar observations (Discarded) 0 (0)
Arc length 12129.1 days
Unobserved 138 days

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Ephemeris at epoch 60426 MJD
Right Ascension 56.0568 deg
Declination 17.776 deg
V Magnitude 19.9 mag
Solar Elongation -22.02 deg
Galactic Latitude -28.59 deg
Rate 0.573 deg/day
Direction 77.079 deg

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