P/2006 T1 (Levy)

P/2006 T1 (Levy)
P/2006 T1 (Levy)
Discovery
Discovered by: David H. Levy
Discovery date: 2006-Oct-02[1]
Orbital characteristics A
Epoch: 2006-Oct-18[1]
(JD 2454026.5)
Aphelion distance: 5.04 AU (Q)
Perihelion distance: 0.989 AU (q)
Semi-major axis: 3.01 AU (a)
Eccentricity: 0.672
Orbital period: 5.24 yr
Inclination: 18.3°
Last perihelion: 2006-Oct-07[1]
Next perihelion: 2012-Jan-11[2]

P/2006 T1 (Levy) is a periodic comet with an orbital period of 5.24 years.[1] It last came to perihelion (closest approach to the Sun) on 7 October 2006.[1] During the 2006 passage the comet only achieved an apparent magnitude of ~9.5.[3] Levy (PK06T010) was believed to have been recovered on 03 June 2011 at magnitude 19.8,[4] but other observatories have been unable to confirm a recovery. It was most likely a false positive because of large residuals. It has not been observed since 01 December 2006, and only has a confirmed observation arc of 60 days.[1] As of October 2011, comet Levy still has not been recovered.[5]

The next perihelion passage is calculated to be on 11 January 2012 at a distance of 1.007 AU from the Sun.[2] This comet will pass the Earth on 2012-Jan-20 at between 0.15 to 0.20 AU (with 0.18 AU being the nominal solution).[6] (A recovery image of the comet will allow a notable reduction in the error bars and the cone of uncertainty.) During the 2012 passage the comet was expected to reach an apparent magnitude of 7,[7] and should have an elongation of 90°.[7]

References

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