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Revision as of 23:39, 27 December 2024 editKyloRen2017 (talk | contribs)Extended confirmed users4,992 editsmNo edit summary← Previous edit Revision as of 02:43, 28 December 2024 edit undoKyloRen2017 (talk | contribs)Extended confirmed users4,992 edits Alternate designation (PK20S060)Tags: Mobile edit Mobile web editNext edit →
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{{Infobox comet {{Infobox comet
| name = 449P/Leonard | name = 449P/Leonard
| discovery_ref = {{r|MPEC_2020-U151}}
| discoverer = ] | discoverer = ]
| discovery_site = ] | discovery_site = ]
⚫ | mpc_name = X/1987 A2<br>P/2013 Y3<br>P/2020 S6
| discovery_date = 29 September 2020 | discovery_date = 29 September 2020
⚫ | mpc_name = X/1987 A2<br>P/2013 Y3<br>P/2020 S6
| designations = PK20S060{{r|MPEC_2020-U151}}
| orbit_ref = {{r|jpl}} | orbit_ref = {{r|jpl}}
| epoch = 20 October 2020 (] 2459142.5) | epoch = 20 October 2020 (] 2459142.5)
Line 51: Line 53:
| website= ssd.jpl.nasa.gov | website= ssd.jpl.nasa.gov
| publisher= ] | publisher= ]
| access-date= 28 December 2024 }}
</ref>

<ref name="MPEC_2020-U151">{{cite web
| title= MPEC 2020-U151: Comet P/2020 S6 (Leonard)
| url= https://www.minorplanetcenter.net/mpec/K20/K20UF1.html
| website= www.minorplanetcenter.net
| publisher= ]
| date= 21 October 2020
| access-date= 28 December 2024 }} | access-date= 28 December 2024 }}
</ref> </ref>

Revision as of 02:43, 28 December 2024

Periodic comet
449P/Leonard
Discovery
Discovered byGregory J. Leonard
Discovery siteMount Lemmon Obs
Discovery date29 September 2020
Designations
MPC designationX/1987 A2
P/2013 Y3
P/2020 S6
Alternative designationsPK20S060
Orbital characteristics
Epoch20 October 2020 (JD 2459142.5)
Observation arc12,458 days (34.11 years)
Earliest precovery date5 January 1987
Number of
observations		294
Aphelion5.322 AU
Perihelion1.875 AU
Semi-major axis3.598 AU
Eccentricity0.47899
Orbital period6.82 years
Inclination15.459°
Longitude of
ascending node		242.571°
Argument of
periapsis		176.652°
Last perihelion23 November 2020
TJupiter2.853
Earth MOID0.8872 AU
Jupiter MOID0.0613 AU
Comet total
magnitude (M1)		8.6
Comet nuclear
magnitude (M2)		17.7

449P/Leonard is a periodic comet that orbits the Sun once every 6.83 years.

Discovery and observations

References

  1. ^ "MPEC 2020-U151: Comet P/2020 S6 (Leonard)". www.minorplanetcenter.net. Minor Planet Center. 21 October 2020. Retrieved 28 December 2024.
  2. "440P/Leonard – JPL Small-Body Database Lookup". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Retrieved 28 December 2024.
  3. J. Shanklin. "BAA Comet Section: Periodic Comets 400–499". University of Cambridge. Archived from the original on 13 July 2024. Retrieved 28 December 2024.

External links

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