2021_LL37

<span class="nowrap">2021 LL<sub>37</sub></span>

2021 LL37

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2021 LL37 is a large trans-Neptunian object in the scattered disc, around 600 kilometres (370 miles) in diameter. It was discovered on 12 June 2021, by American astronomers Scott Sheppard and Chad Trujillo using Cerro Tololo Inter-American Observatory's Dark Energy Camera in Chile, and announced on 31 May 2022.[1] It was 73.9 astronomical units from the Sun when it was discovered, making it one of the most distant known Solar System objects from the Sun as of May 2022.[1][6] It has been identified in precovery images from as far back as 28 April 2014.[4]

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References

  1. [1]
    "MPEC 2022-K173 : 2021 LL37". Minor Planet Electronic Circular. Minor Planet Center. 31 May 2022. Retrieved 31 May 2022.
  2. [2]
    "JPL Small-Body Database Browser: (2021 LL37)" (2022-04-08 last obs.). Jet Propulsion Laboratory. Retrieved 31 May 2022.
  3. [3]
    "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. International Astronomical Union. Retrieved 31 May 2022.
  4. [4]
    "2021 LL37". Minor Planet Center. International Astronomical Union. Retrieved 31 May 2022.
  5. [5]
    "Asteroid Size Estimator". Center for Near Earth Object Studies. Jet Propulsion Laboratory. Retrieved 31 May 2022.
  6. [6]
    "JPL Horizons On-Line Ephemeris for 2021 LL37". JPL Horizons On-Line Ephemeris System. Jet Propulsion Laboratory. Retrieved 31 May 2022. Ephemeris Type: VECTORS, Target Body: Asteroid (2021 LL37), Coordinate Origin: Sun (body center) [500@10], Time Span: Start=2021-06-12, Table Settings: quantities code=2p


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