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AstDyS ∴ Objects ∴ 1997XN9 ∴ Summary
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(136842) 1997XN9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.65218 1.209e-08 au
e 0.050332 4.443e-08
i 22.85 4.582e-06 deg
Ω 80.349 9.821e-06 deg
ω 22.336 4.928e-05 deg
M 4.517 4.654e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5187 au
Aphelion 2.7857 au
Asc. node-Earth separation 1.54399 au
Desc. node-Earth separation 1.75918 au
Earth MOID 1.54158 au
Orbital period 1577.62 days
Date of orbit computation  apr 23 20:17
Observational summary
Optical observations (Discarded) 1253 (101)
Radar observations (Discarded) 0 (0)
Arc length 11473.7 days
Unobserved 80 days

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Ephemeris at epoch 60425 MJD
Right Ascension 92.1993 deg
Declination 34.1532 deg
V Magnitude 20.52 mag
Solar Elongation -57.55 deg
Galactic Latitude 6.88 deg
Rate 0.369 deg/day
Direction 85.878 deg

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