21501 Acevedo
| Discovery [1] | |
|---|---|
| Discovered by | LONEOS |
| Discovery site | Anderson Mesa Station |
| Discovery date | 23 May 1998 |
| Designations | |
| MPC designation | 21501 Acevedo |
Named after |
Tony Acevedo (Arecibo staff member)[2] |
|
1998 KC8 · 1978 WY19 1998 HV149 | |
| main-belt · Flora [3] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 36.40 yr (13,295 days) |
| Aphelion | 2.4813 AU |
| Perihelion | 2.1478 AU |
| 2.3146 AU | |
| Eccentricity | 0.0720 |
| 3.52 yr (1,286 days) | |
| 59.377° | |
| Inclination | 5.5860° |
| 261.52° | |
| 219.27° | |
| Physical characteristics | |
| Dimensions | 2.41 km (calculated)[3] |
| 6.5689±0.0050 h[4] | |
| 0.24 (assumed)[3] | |
| S [3] | |
| 14.9[1] | |
|
| |
21501 Acevedo, provisional designation 1998 KC8, is a stony asteroid from the inner regions of the asteroid belt, about 2.4 kilometers in diameter. It was discovered by the U.S. Lowell Observatory Near-Earth Object Search (LONEOS) at Anderson Mesa Station, near Flagstaff, Arizona, on 23 May 1998.[2]
The S-type asteroid is a member of the Flora family, one of the largest groups of stony asteroids in the main-belt. It orbits the Sun at a distance of 2.1–2.5 AU once every 3 years and 6 months (1,286 days). Its orbit shows an eccentricity of 0.07 and is tilted by 6 degrees to the plane of the ecliptic.[1] In 2010, a photometric light-curve analysis at the Palomar Transient Factory gave a rotation period of 6.5689±0.0050 hours with a brightness amplitude of 0.10 in magnitude,[4] while the Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24, a typical value for asteroids with a stony surface composition, and identical to the albedo of the Flora family's namesake, 8 Flora.[3]
The minor planet was named in honour of Tony Acevedo (b. 1950), a multimedia graphic designer and media officer at the Arecibo Observatory.[2]
References
- 1 2 3 4 "JPL Small-Body Database Browser: 21501 Acevedo (1998 KC8)" (2015-04-23 last obs.). Jet Propulsion Laboratory. Retrieved January 2016.
- 1 2 3 "21501 Acevedo (1998 KC8)". Minor Planet Center. Retrieved January 2016.
- 1 2 3 4 5 "LCDB Data for (21501) Acevedo". Asteroid Lightcurve Database (LCDB). Retrieved January 2016.
- 1 2 Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; Levitan, David; et al. (September 2015). "Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry". The Astronomical Journal 150 (3): 35. Bibcode:2015AJ....150...75W. doi:10.1088/0004-6256/150/3/75. Retrieved January 2016.
External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (20001)-(25000) – Minor Planet Center
- 21501 Acevedo at the JPL Small-Body Database
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