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AstDyS ∴ Objects ∴ Schwassmannia ∴ Summary
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(989) Schwassmannia  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.65932 8.271e-09 au
e 0.251029 3.891e-08
i 14.7 3.997e-06 deg
Ω 243.398 1.983e-05 deg
ω 165.764 2.179e-05 deg
M 38.34 9.752e-06 deg

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Other useful info
Absolute Magnitude (H)    11.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9918 au
Aphelion 3.3269 au
Asc. node-Earth separation 2.27864 au
Desc. node-Earth separation 1.01677 au
Earth MOID 1.00517 au
Orbital period 1584 days
Date of orbit computation  Oct 31 04:55
Observational summary
Optical observations (Discarded) 1821 (13)
Radar observations (Discarded) 0 (0)
Arc length 35038.6 days
Unobserved 93 days

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Ephemeris at epoch 58503 MJD
Right Ascension 145.694 deg
Declination -9.54433 deg
V Magnitude 15.74 mag
Solar Elongation 141.85 deg
Galactic Latitude 31.41 deg
Rate 0.193 deg/day
Direction -101.395 deg

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