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21501 Acevedo
Main-belt asteroid
Main-belt asteroid
| Field | Value |
|---|---|
| minorplanet | yes |
| name | 21501 Acevedo |
| background | #D6D6D6 |
| discovery_ref | |
| discovered | 23 May 1998 |
| discoverer | LONEOS |
| discovery_site | Anderson Mesa Stn. |
| mpc_name | (21501) Acevedo |
| alt_names | |
| named_after | Tony Acevedo |
| (Arecibo staff member) | |
| mp_category | main-beltFlora |
| orbit_ref | |
| epoch | 4 September 2017 (JD 2458000.5) |
| uncertainty | 0 |
| observation_arc | 37.68 yr (13,762 days) |
| aphelion | 2.4807 AU |
| perihelion | 2.1490 AU |
| semimajor | 2.3149 AU |
| eccentricity | 0.0716 |
| period | 3.52 yr (1,286 days) |
| mean_anomaly | 283.45° |
| mean_motion | / day |
| inclination | 5.5859° |
| asc_node | 261.50° |
| arg_peri | 219.13° |
| dimensions | 2.41 km (calculated) |
| rotation | h |
| albedo | 0.24 (assumed) |
| spectral_type | S |
| abs_magnitude | (R)14.915.25 |
(Arecibo staff member)
21501 Acevedo (provisional designation ****) is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 2.4 kilometers in diameter.
The asteroid was discovered on 23 May 1998, by the LONEOS team at Anderson Mesa Station in Arizona, United States. It was named for Tony Acevedo, staff member at the Arecibo Observatory in Puerto Rico.
Orbit and classification
Acevedo is a member of the Flora family, one of the largest families of stony asteroids. It orbits the Sun in the inner main-belt at a distance of 2.1–2.5 AU once every 3 years and 6 months (1,286 days). Its orbit has an eccentricity of 0.07 and an inclination of 6° with respect to the ecliptic.
The body's observation arc begins almost 20 years prior to its official discovery observation, with a precovery taken at Palomar Observatory in November 1978.
Physical characteristics
Acevedo has been characterized as a common S-type asteroid by Pan-STARRS photometric survey.
Lightcurve
In August 2013, a fragmentary rotational lightcurve of Acevedo was obtained from photometric observations by astronomers at the Palomar Transient Factory in California. Lightcurve analysis gave a provisional rotation period of hours with a brightness amplitude of 0.10 magnitude ().
Diameter and albedo estimate
The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24 – which derives from 8 Flora, the largest member and namesake of this orbital family – and calculates a diameter of 2.4 kilometers with an absolute magnitude of 15.25.
Naming
This minor planet was named in honour of Tony Acevedo (born 1950), staff member at the Arecibo Observatory in Puerto Rico, working as multimedia graphic designer and media officer. The approved naming citation was published by the Minor Planet Center on 18 July 2008 (M.P.C. 63393).
References
This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.
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