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AstDyS ∴ Objects ∴ 1998JL1 ∴ Summary
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(21491) 1998JL1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.38225 7.312e-09 au
e 0.131324 4.085e-08
i 2.632 4.552e-06 deg
Ω 14.077 6.626e-05 deg
ω 185.008 6.743e-05 deg
M 34.12 1.208e-05 deg

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Other useful info
Absolute Magnitude (H)    15.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0694 au
Aphelion 2.6951 au
Asc. node-Earth separation 1.69481 au
Desc. node-Earth separation 1.07031 au
Earth MOID 1.06728 au
Orbital period 1343.01 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 1351 (7)
Radar observations (Discarded) 0 (0)
Arc length 10684.9 days
Unobserved 341 days

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Ephemeris at epoch 60419 MJD
Right Ascension 274.495 deg
Declination -26.416 deg
V Magnitude 19.43 mag
Solar Elongation 115.03 deg
Galactic Latitude -4.99 deg
Rate 0.137 deg/day
Direction 101.85 deg

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