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Contents

   



(Top)
 


1 Earth impact possibility  





2 Rotation  





3 See also  





4 References  





5 External links  














2010 JL88






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From Wikipedia, the free encyclopedia
 


2010 JL88
Orbit of 2010 JL88
Discovery[1][2][3]
Discovery siteSiding Spring Survey
(unaccredited)
Discovery date15 May 2010
Designations

MPC designation

2010 JL88

Minor planet category

Apollo · NEO[4]
Orbital characteristics[4]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter7
Aphelion2.1391 AU
Perihelion0.70654 AU

Semi-major axis

1.4228 AU
Eccentricity0.50343

Orbital period (sidereal)

1.70 yr (619.91 d)

Mean anomaly

89.113°

Mean motion

0° 34m 50.628s /day
Inclination0.092387°

Longitude of ascending node

269.02°

Argument of perihelion

51.167°
Earth MOID0.000956 AU
Physical characteristics
Dimensions18.5±7.5 m[5]

Synodic rotation period

24.5 s (0.0068295 h)[4]

Geometric albedo

0.1[6]
Temperature186–323 K[7]

Absolute magnitude (H)

26.8[4]

2010 JL88 is an unnumbered asteroid, classified as a near-Earth object of the Apollo group, approximately 19 meters in diameter.[2] It was first observed by the Siding Spring Survey, Australia, on 15 May 2010. It is known to be the fastest rotator with an unambiguous period solution, having an exceptionally rapid rotation period of less than 25 seconds.[4][8]

On May 17, 2010, it passed 0.00257 AU (384,000 km) from Earth.[4] It is on the lower of the Sentry Risk Table.[1]

Earth impact possibility

[edit]

2010 JL88 has an Earth minimum orbit intersection distance of 0.45 Lunar Distances[9] However, it only has a 1 in 1,449,000 (0.000069%) chance of impacting into Earth sometime after 2049.[1] Even if it did impact, 2010 JL88 is so small that it would simply disintegrate in a manner similar to the Chelyabinsk meteor.[10]

Rotation

[edit]

The asteroid was found to have a rapid rotation by the Magdalena Ridge Observatory's 2.4-meter telescope. It rotates at an extremely rapid rate of 24.5 seconds. 2010 JL88 is the second fastest natural rotating object discovered in the Solar System,[8] after 2014 RC, which has a period of 16 seconds but still an uncertain period solution.

See also

[edit]

References

[edit]
  1. ^ a b c "2010 JL88 Impact Risk". Jet Propulsion Laboratory. National Aeronautics and Space Administration. 8 August 2013. Archived from the original on 28 May 2010. Retrieved 31 March 2016.
  • ^ a b "2010 JL88". Minor Planet Center. Retrieved 20 September 2016.
  • ^ "The Tracking News". hohmanntransfer.com. 18 May 2010. Retrieved 3 December 2013.
  • ^ a b c d e f "JPL Small-Body Database Browser: 2010 JL88" (2010-05-17 last obs.). Jet Propulsion Laboratory. Retrieved 20 September 2016.
  • ^ Blobrana (17 May 2010). "Asteroid 2010 JL88". Retrieved 3 December 2013.
  • ^ "Conversion of Absolute Magnitude to Diameter for Minor Planets". Sephen F. Austin State University. Dan Burton. Archived from the original on 10 December 2008. Retrieved 26 November 2013.
  • ^ "HEC: Exoplanets Calculator". Planetary Habitability Laboratory. University of Puerto Rico at Arecibo. Archived from the original on 24 August 2017. Retrieved 10 December 2014.
  • ^ a b Ryan, Eileen V.; Ryan, W. H. (October 2010). "Rotation Rates of Very Small Near-Earth Asteroids". American Astronomical Society. 42: 1086. Bibcode:2010DPS....42.6003R. Retrieved 20 September 2016.
  • ^ "Comets and Asteroids: (2010 JL88)". Find the Data. 11 November 2013. Retrieved 8 December 2013.
  • ^ Hamilton, Douglas. "Solar System Collisions". Astronomy Workshop. Retrieved 8 December 2013.[permanent dead link]
  • [edit]
    Retrieved from "https://en.wikipedia.org/w/index.php?title=2010_JL88&oldid=1195683724"

    Categories: 
    Apollo asteroids
    Discoveries by SSS
    Minor planet object articles (unnumbered)
    Fast rotating minor planets
    Earth-crossing asteroids
    Near-Earth objects in 2010
    Astronomical objects discovered in 2010
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    This page was last edited on 14 January 2024, at 21:43 (UTC).

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