28439 Miguelreyes
Discovery [1]
Discovered byLINEAR
Discovery siteLincoln Lab's ETS
Discovery date3 January 2000
Designations
(28439) Miguelreyes
Named after
Miguel Reyes
(2011 ISEF awardee)[2]
2000 AM30 · 1998 UH41
main-belt · (middle)
background
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc20.64 yr (7,537 days)
Aphelion3.0242 AU
Perihelion2.5050 AU
2.7646 AU
Eccentricity0.0939
4.60 yr (1,679 days)
222.06°
0° 12m 51.84s / day
Inclination4.3355°
87.853°
118.95°
Physical characteristics
Mean diameter
3.851±0.145 km[3]
0.249±0.071[3]
14.4[1]

    28439 Miguelreyes, provisional designation 2000 AM30, is a background asteroid from the central region of the asteroid belt, approximately 3.9 kilometers in diameter. The asteroid was discovered on 3 January 2000, by the LINEAR team at Lincoln Lab's ETS in Socorro, New Mexico, United States.[2] It was named for Filipino student Miguel Reyes, a 2011 ISEF awardee.

    Orbit and classification

    Miguelreyes is a non-family from the main belt's background population. It orbits the Sun in the central asteroid belt at a distance of 2.5–3.0 AU once every 4 years and 7 months (1,679 days). Its orbit has an eccentricity of 0.09 and an inclination of 4° with respect to the ecliptic.[1]

    The asteroid's observation arc begins almost 4 years prior to its official discovery observation, with a precovery taken by the Steward Observatory's Spacewatch survey at Kitt Peakt in April 1996.[2]

    Physical characteristics

    According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Miguelreyes measures 3.851 kilometers in diameter and its surface has an albedo of 0.249.[3]

    Lightcurves

    As of 2018, Miguelreyes's spectral type, as well as its rotation period and shape remain unknown.[1][4]

    Naming

    This minor planet was named in honor of Miguel Arnold Silverio Reyes, a Philippine high-school student from Manila, who was awarded second place in the 2011 Intel International Science and Engineering Fair for his materials and bioengineering project entitled "Synthesis and Characterization of Composite Plastics from Thermoplastic Starch and Nano-sized Calcium Phosphate for Film Packaging". His project sought alternatives, such as cornstarch, in making biodegradable plastic for film packaging. He attended the Philippine Science High School in Quezon City, Philippines.[5][6][7]

    References

    1. 1 2 3 4 5 "JPL Small-Body Database Browser: 28439 Miguelreyes (2000 AM30)" (2016-11-30 last obs.). Jet Propulsion Laboratory. Retrieved 27 June 2017.
    2. 1 2 3 "28439 Miguelreyes (2000 AM30)". Minor Planet Center. Retrieved 14 September 2016.
    3. 1 2 3 Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J.; et al. (November 2011). "Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters". The Astrophysical Journal. 741 (2): 20. arXiv:1109.4096. Bibcode:2011ApJ...741...68M. doi:10.1088/0004-637X/741/2/68. Retrieved 14 September 2016.
    4. ↑ "LCDB Data for (28439) Miguelreyes". Asteroid Lightcurve Database (LCDB). Retrieved 27 June 2017.
    5. ↑ Montenegro, Candice (20 May 2011). "Asteroid to be named after Pinoy science HS student". GMA News. Retrieved 27 June 2017.
    6. ↑ "Asteroid named after Pinoy student". ABS-CBN News. 18 May 2011. Retrieved 27 June 2017.
    7. ↑ Villafania, Alexander (18 May 2011). "Filipino student wins in Intel tilt, gets an asteroid as bonus". Yahoo News Philippines. Archived from the original on 30 March 2014.
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