255P/Levy

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255P/Levy
Discovery
Semi-major axis
3.038 AU (a)
Eccentricity0.6682
Orbital period5.30 a
Inclination18.27°
Last perihelion2022-Sep-07[2]
2017-May-03[3][4]
2012-Jan-14[3]
2006-Oct-07[5]
Next perihelion2027-Sep-25[6]
Earth MOID0.025 AU (3,700,000 km)[1]

255P/Levy, formerly P/2006 T1 and P/2011 Y1, is a

perihelion (closest approach to the Sun) on 14 January 2012.[5] During the 2006 passage the comet achieved an apparent magnitude of ~9.5.[7] Levy (PK06T010) was believed to have been recovered on 3 June 2011 at magnitude 19.8,[8] but other observatories were unable to confirm a recovery. It was most likely a false positive because of large residuals. Levy was recovered on 17 December 2011 at magnitude 19.8, and given the second designation 2011 Y1.[9]
It was then numbered.

It came to perihelion on 14 January 2012 at a distance of 1.007 

opposition
in August 2016 it would have been dimmer than magnitude 19.

255P/Levy currently has an Earth-MOID of 0.025 AU (3,700,000 km; 2,300,000 mi).[1]

The comet has been associated with α Cepheids meteor shower, which peaks on 2 January.[13]

References

  1. ^ a b c d e "JPL Small-Body Database Browser: P/2006 T1 (Levy)" (last observation: 2012-01-25; arc: 5.31 years). Jet Propulsion Laboratory. Retrieved 2016-01-10.
  2. ^ "Horizons Batch for 255P/Levy on 2022-Sep-07" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons. Retrieved 2023-04-30. (JPL#40/Soln.date: 2021-Oct-18)
  3. ^ a b c "255P/Levy Orbit". Minor Planet Center. Retrieved 2014-06-20.
  4. ^ Syuichi Nakano (2012-01-02). "P/Levy (2006 T1 = 2011 Y1) (NK 2187)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-18.
  5. ^ a b c "P/2006 T1 (Levy)" (last observation: 2011-12-17). Minor Planet Center. Retrieved 2011-12-18.
  6. ^ "Horizons Batch for 255P/Levy on 2027-Sep-25" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons. Retrieved 2023-04-30. (JPL#40/Soln.date: 2021-Oct-18)
  7. ^ "P/2006 T1 Comet for Windows apmag graph for 2006". aerith.net. Retrieved 2011-04-07.
  8. IAU Minor Planet Center
    . 2011-06-12. Retrieved 2011-06-13.
  9. ^ "MPEC 2011-Y07 : P/2006 T1 = 2011 Y1 (Levy)". IAU Minor Planet Center. 2011-12-18. Retrieved 2011-12-18.
  10. ^ "JPL Close-Approach Data: P/2006 T1 (Levy)" (last observation: 2011-12-30; arc: 5.24 years). Retrieved 2012-01-04.
  11. ^ "Weekly Information about Bright Comets (2011 Dec. 24: North)". aerith.net. 2011-12-27. Retrieved 2012-01-04.
  12. ^ "CCD comet estimates". severastro.narod.ru. 2012-01-01. Archived from the original on 2012-04-22. Retrieved 2012-01-04.
  13. ISSN 1016-3115
    .

External links
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