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AstDyS ∴ Objects ∴ Ptolemaeus ∴ Summary
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(4001) Ptolemaeus  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.28689 5.107e-09 au
e 0.172378 3.259e-08
i 5.457 2.872e-06 deg
Ω 130.643 3.738e-05 deg
ω 204.061 3.907e-05 deg
M 201.496 1.303e-05 deg

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Other useful info
Absolute Magnitude (H)    13.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8927 au
Aphelion 2.6811 au
Asc. node-Earth separation 1.64863 au
Desc. node-Earth separation 0.90273 au
Earth MOID 0.88376 au
Orbital period 1263.18 days
Date of orbit computation  apr 23 19:46
Observational summary
Optical observations (Discarded) 3676 (17)
Radar observations (Discarded) 0 (0)
Arc length 27258.4 days
Unobserved 36 days

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Ephemeris at epoch 60426 MJD
Right Ascension 159.972 deg
Declination 13.9656 deg
V Magnitude 18.33 mag
Solar Elongation -120.21 deg
Galactic Latitude 56.65 deg
Rate 0.01 deg/day
Direction -160.894 deg

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