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AstDyS ∴ Objects ∴ 1998WA15 ∴ Summary
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(21599) 1998WA15  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 5.20455 6.271e-08 au
e 0.117333 4.292e-08
i 11.208 4.996e-06 deg
Ω 218.822 2.02e-05 deg
ω 211.554 3.078e-05 deg
M 40.057 2.091e-05 deg

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Other useful info
Absolute Magnitude (H)    11.5 mag
Slope parameter (G)    0.15 mag
Perihelion 4.5939 au
Aphelion 5.8152 au
Asc. node-Earth separation 4.69608 au
Desc. node-Earth separation 3.67455 au
Earth MOID 3.61428 au
Orbital period 4336.84 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2479 (4)
Radar observations (Discarded) 0 (0)
Arc length 12437.2 days
Unobserved 36 days

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Ephemeris at epoch 60427 MJD
Right Ascension 110.806 deg
Declination 11.206 deg
V Magnitude 19.13 mag
Solar Elongation -74.17 deg
Galactic Latitude 12.08 deg
Rate 0.148 deg/day
Direction 86.67 deg

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