Puerto Lápice eucrite fall: Strewn field, physical description, probable fireball trajectory, and orbit.

Details Puerto Lápice eucrite fall: Strewn field, physical description, probable fireball trajectory, and orbit. Puerto Lápice eucrite fall: Strewn field, physical description, probable fireball trajectory, and orbit.

Mar 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009m%26ps...44..175t&link_type=abstract

Meteoritics & Planetary Science, vol. 44, Issue 2, p.175-186

Astronomy and Astrophysics

Astronomy

2

Meteoroids, Fireball(S), Porosity, Eucrite Meteorite(S)

Scientific paper

The fall of the Puerto Lápice eucrite occurred on May 10, 2007, at 17 h 57 m 30 ± 30 s UTC. Its daylight fireball was witnessed by hundreds of people from Spain, and produced a meteorite fall associated with a large strewn field of fragments. There were no direct pictures of the fireball, but several pictures of the fireball’s train were taken from different locations in Spain. Additional theodolite calibrations of visual records were made in order to find the most probable fireball trajectory based on the available data. The shape of the meteorite strewn field was considered as well. Although the orbit of the Puerto Lápice meteoroid could not be computed due to the absence of velocity data, we assumed a likely range of geocentric velocities and computed a range of possible orbits. All solutions show that the body was in an Apollo-type orbit, with low inclination and perihelion distance just below 1 astronomical unit (AU). This is the first case that an orbit can be discussed for an HED meteorite fall.

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