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AstDyS ∴ Objects ∴ 1999NB21 ∴ Summary
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(134519) 1999NB21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.28495 7.421e-09 au
e 0.182233 3.528e-08
i 6.501 3.446e-06 deg
Ω 89.484 3.995e-05 deg
ω 216.109 4.164e-05 deg
M 47.459 1.263e-05 deg

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Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8686 au
Aphelion 2.7013 au
Asc. node-Earth separation 1.6072 au
Desc. node-Earth separation 0.90943 au
Earth MOID 0.85761 au
Orbital period 1261.57 days
Date of orbit computation  apr 23 20:16
Observational summary
Optical observations (Discarded) 903 (5)
Radar observations (Discarded) 0 (0)
Arc length 8798.77 days
Unobserved 284 days

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Ephemeris at epoch 60425 MJD
Right Ascension 24.2414 deg
Declination 5.62072 deg
V Magnitude 20.86 mag
Solar Elongation 11.22 deg
Galactic Latitude -55.45 deg
Rate 0.536 deg/day
Direction 68.133 deg

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