NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1997WT22 ∴ Summary
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(136839) 1997WT22  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 1.48567 5.475e-09 au
e 0.306 9.485e-08
i 8.16 8.844e-06 deg
Ω 71.965 4.442e-05 deg
ω 74.747 5.37e-05 deg
M 169.67 3.576e-05 deg

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Other useful info
Absolute Magnitude (H)    18.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.0311 au
Aphelion 1.9403 au
Asc. node-Earth separation 0.2613 au
Desc. node-Earth separation 0.45043 au
Earth MOID 0.13046 au
Orbital period 661.429 days
Date of orbit computation   Nov 18 11:24
Observational summary
Optical observations (Discarded) 258 (6)
Radar observations (Discarded) 0 (0)
Arc length 9908 days
Unobserved 457 days

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Ephemeris at epoch 57873 MJD
Right Ascension 4.43974 deg
Declination -4.58491 deg
V Magnitude 23.21 mag
Solar Elongation 37.77 deg
Galactic Latitude -66.07 deg
Rate 0.53 deg/day
Direction 67.958 deg

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