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ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2014 DECEMBER - 2015 MARCH.

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ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2013 SEPTEMBER-DECEMBER.

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Evaluation of Exon Inclusion Induced by Splice Switching Antisense Oligonucleotides in SMA Patient Fibroblasts
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16525 SHUMARINAIKO: A NEW NYSA BINARY.

Brian D Warner1, Daniel Coley2

  • 1Palmer Divide Observatory, 17995 Bakers Farm Rd., Colorado Springs, CO 80908.

The Minor Planet Bulletin
|May 28, 2020
PubMed
Summary
This summary is machine-generated.

The Nysa group asteroid 16525 Shumarinaiko is a binary system. Analysis reveals a primary rotation period of 2.59 hours and a satellite orbital period of 14.41 hours, suggesting a tidally-locked, elongated satellite.

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Area of Science:

  • Asteroid science
  • Photometry
  • Binary systems

Background:

  • The Nysa group is a family of asteroids known for their diverse characteristics.
  • Understanding asteroid systems aids in comprehending solar system formation and evolution.

Purpose of the Study:

  • To analyze CCD photometric observations of asteroid 16525 Shumarinaiko.
  • To determine if asteroid 16525 Shumarinaiko is a binary system and characterize its components.

Main Methods:

  • CCD photometric observations were conducted in January 2013.
  • Lightcurve analysis was performed to identify rotational and orbital periods.
  • Mutual event depths were used to estimate the satellite-to-primary diameter ratio.

Main Results:

  • Asteroid 16525 Shumarinaiko exhibits a bimodal lightcurve, confirming it as a binary system.
  • The primary component has a rotation period of 2.5932 ± 0.0003 hours.
  • The satellite's orbital period is 14.409 ± 0.005 hours, with a diameter ratio Ds/Dp ≥ 0.16 ± 0.02.
  • Evidence suggests the satellite is elongated and tidally locked.

Conclusions:

  • Asteroid 16525 Shumarinaiko is a binary asteroid system.
  • The satellite's physical characteristics indicate tidal locking and elongation.
  • Further observations can refine the understanding of this asteroid system's dynamics.