2006_JY26

<span class="nowrap">2006 JY<sub>26</sub></span>

2006 JY26

Small risk–listed near-Earth asteroid

2006 JY26 is a near-Earth object that is also horseshoe companion to the Earth like 3753 Cruithne.[5]

Quick Facts Discovery, Discovered by ...

Discovery, orbit and physical properties

2006 JY26 was discovered by E. J. Christensen on 6 May 2006, observing for the Catalina Sky Survey.[6][7] Its orbit is characterized by low eccentricity (0.083), low inclination (1.44º) and a semi-major axis of 1.01 AU.[7] Upon discovery, it was classified as an Apollo asteroid but also an Earth crosser by the Minor Planet Center. The orbit is based on 76 observations spanning a data-arc of 4 days.[8] 2006 JY26 has an absolute magnitude (H) of 28.4 which gives a characteristic diameter of about 9 meters.[8]

Impact risk

More information Date, Impactprobability (1 in) ...

It is listed on the Sentry Risk Table with a 1 in 210 chance of impacting Earth on 3 May 2074.[9][11] The nominal best-fit orbit shows that 2006 JY26 will be 0.0099 AU (1,480,000 km; 920,000 mi) from Earth on 3 May 2074.[8] An impact from this object would be less severe than the Chelyabinsk meteor.

Horseshoe companion to the Earth and orbital evolution

Recent calculations indicate that it follows a horseshoe orbit with respect to the Earth.[5] It had a close encounter with the Earth on 10 May 2006, at 0.0029 AU (430,000 km; 270,000 mi).[8] Its orbital evolution is very chaotic and its orbit is difficult to predict beyond a few hundred years.[5] Its orbit matches the expected properties of that of an object in the Arjuna-class.

Origin

It may have been originated within the Venus–Earth–Mars region or in the main asteroid belt like other near-Earth objects, then transition to Amor-class asteroid before entering Earth's co-orbital region.[5]

See also

Notes

  • ^ This is assuming an albedo of 0.20–0.04.

References

  1. [1]
    "2006 JY26". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3332535. Retrieved 30 March 2016.
  2. [2]
    AstDys-2 on 2006 JY26 Retrieved 2013-05-11
  3. [3]
    NEODyS-2 on 2006 JY26 Retrieved 2013-05-11
  4. [4]
    Absolute-magnitude conversion table (H)
  5. [5]
    de la Fuente Marcos, C.; de la Fuente Marcos, R. (July 2013). "A resonant family of dynamically cold small bodies in the near-Earth asteroid belt". Monthly Notices of the Royal Astronomical Society: Letters. 434 (1): L1–L5. arXiv:1305.2825. Bibcode:2013MNRAS.434L...1D. doi:10.1093/mnrasl/slt062.
  6. [6]
    Discovery MPEC
  7. [7]
    MPC data on 2006 JY26
  8. [8]
    JPL's Solar System Dynamics data on 2006 JY26
  9. [9]
    "Earth Impact Risk Summary: 2006 JY26". NASA/JPL Near-Earth Object Program Office. Retrieved 22 January 2018.
  10. [10]
    "Horizons Batch for 2074-May-03 Virtual Impactor". JPL Horizons. Archived from the original on 5 July 2022. Retrieved 5 July 2022. RNG_3sigma = uncertainty range in km. (JPL#10/Soln.date: 2021-Apr-14 generates RNG_3sigma = 2825568 km for 2074-May-03.)
  11. [11]
    "Impactor Table: 2006JY26". NEODyS-2. Retrieved 16 April 2014. (1 in 741)
Further reading
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