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AstDyS ∴ Objects ∴ 1998EM21 ∴ Summary
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(91035) 1998EM21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.66959 1.243e-08 au
e 0.09148 4.844e-08
i 12.711 6.038e-06 deg
Ω 3.061 1.672e-05 deg
ω 150.369 3.262e-05 deg
M 352.053 2.683e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4254 au
Aphelion 2.9138 au
Asc. node-Earth separation 1.87396 au
Desc. node-Earth separation 1.45547 au
Earth MOID 1.44148 au
Orbital period 1593.18 days
Date of orbit computation  apr 23 20:06
Observational summary
Optical observations (Discarded) 1321 (3)
Radar observations (Discarded) 0 (0)
Arc length 9506.7 days
Unobserved 63 days

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Ephemeris at epoch 60449 MJD
Right Ascension 137.946 deg
Declination 21.8576 deg
V Magnitude 20.2 mag
Solar Elongation -75.69 deg
Galactic Latitude 40.13 deg
Rate 0.345 deg/day
Direction 120.541 deg

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