(323137) 2003 BM80

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(323137) 2003 BM80
282P/2003 BM80
Mean diameter
9.4 km (est. at 0.07)[4]
13.63[1]

(323137) 2003 BM80,

main-belt comet from the outer regions of the asteroid belt, approximately 9.4 kilometers (5.8 miles) in diameter. It was discovered on 31 January 2003 by astronomers of the LONEOS program conducted at Anderson Mesa Station near Flagstaff, Arizona, in the United States.[2]

Orbit and classification

2003 BM80 is a

semi-major axis of 4.25 AU). Its orbit has an eccentricity of 0.19 and an inclination of 6° with respect to the ecliptic.[1]

The body's observation arc begins with its first precovery observation by the NEAT program in December 2001, more than a year before its official discovery observation at Anderson Mesa.[2]

In 2022 a team from Northern Arizona University determined that 2003 BM80 is a Quasi-Hilda Object with a sustained activity outburst, lasting over 15 months. Their dynamical simulations showed that this object has undergone at least five close encounters with Jupiter and one with Saturn over the last 180 years. It was likely a Centaur or Jupiter family comet 250 years ago. In the future, this object will have about 15 strong interactions with Jupiter, and 380 years in the future, it might become again a Jupiter family comet. But it could also become a main-belt asteroid.[5]

Numbering and naming

This

numbered by the Minor Planet Center on 6 April 2012.[6] As of 2021, it has not been named.[2]

Physical characteristics

Based on a generic magnitude-to-diameter conversion, 2003 BM80 measures approximately 4.4 kilometers in diameter using an

albedo 0.07, typical for rather dark cometary-like bodies.[4]

As of 2021[update], no rotational

rotation period, shape and spin axis remain unknown.[1]

References

  1. ^ a b c d e f g "JPL Small-Body Database Browser: (323137) 2003 BM80" (2021-06-27 last obs.). Jet Propulsion Laboratory. Retrieved 19 October 2021.
  2. ^ a b c d "(323137) 2003 BM80". Minor Planet Center. Retrieved 19 October 2021.
  3. ^ a b Jonathan Shanklin. "(323137) = 2003 BM80 = 2003 FV112". University of Cambridge – Institute of Astronomy. Retrieved 19 October 2021.
  4. ^ a b "Asteroid Size Estimator". CNEOS NASA/JPL. Retrieved 19 October 2021.
  5. arXiv:2208.08592 [astro-ph.EP
    ].
  6. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 25 February 2018.

External links

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