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AstDyS ∴ Objects ∴ 1998EJ21 ∴ Summary
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(20253) 1998EJ21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.27593 6.234e-09 au
e 0.050956 3.612e-08
i 5.407 3.789e-06 deg
Ω 174.259 3.274e-05 deg
ω 30.441 4.533e-05 deg
M 173.092 3.159e-05 deg

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Other useful info
Absolute Magnitude (H)    15.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.16 au
Aphelion 2.3919 au
Asc. node-Earth separation 1.18023 au
Desc. node-Earth separation 1.36979 au
Earth MOID 1.1585 au
Orbital period 1254.11 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 1957 (19)
Radar observations (Discarded) 0 (0)
Arc length 9879.87 days
Unobserved 170 days

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Ephemeris at epoch 60426 MJD
Right Ascension 26.9904 deg
Declination 9.03275 deg
V Magnitude 20.24 mag
Solar Elongation 7.88 deg
Galactic Latitude -51.33 deg
Rate 0.47 deg/day
Direction 71.137 deg

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