| Discovery[1] | |
|---|---|
| Discovered by | La Plata Obs. |
| Discovery site | La Plata Obs. |
| Discovery date | 21 April 1950 |
| Designations | |
| (4756) Asaramas | |
Named after | Asociación Argentina Amigos de la Astronomía (astronomical association)[2] |
| 1950 HJ · 1976 FD 1983 RH9 | |
| main-belt · Eos[3] | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 66.94 yr (24,449 days) |
| Aphelion | 3.2128AU |
| Perihelion | 2.8233 AU |
| 3.0180 AU | |
| Eccentricity | 0.0645 |
| 5.24yr (1,915 days) | |
| 262.30° | |
| 0° 11m 16.8s / day | |
| Inclination | 9.2037° |
| 239.42° | |
| 2.4305° | |
| Physical characteristics | |
| Dimensions | 10.78 km(calculated)[3] 11.644±0.215 km[4] |
| 16.536±0.0087h[5] | |
| 0.14(assumed)[3] 0.188±0.025[4] | |
| L[6] · S[3] | |
| 11.78±0.06[6] · 12.10[4] · 12.140±0.002(R)[5] · 12.2[1] · 12.59[3] | |
4756 Asaramas, provisional designation1950 HJ, is a stony rare-type Eoanasteroid from the outer region of theasteroid belt, approximately 11 kilometers in diameter. It was discovered on 21 April 1950, by astronomers at theLa Plata Astronomical Observatory in Argentina.[7] It is named for the astronomical societyAsociación Argentina Amigos de la Astronomía.[2]
Asaramas is a member of theEos family (606), the largestasteroid family in theouter main belt consisting of nearly 10,000 asteroids. It orbits the Sun at a distance of 2.8–3.2 AU once every 5 years and 3 months (1,915 days). Its orbit has aneccentricity of 0.06 and aninclination of 9° with respect to theecliptic.[1]
As noprecoveries were taken and no prior identifications were made, the body'sobservation arc begins with its official discovery observation at La Plata.[7]
Asaramas has been characterized as aL-type asteroid byPanSTARRS' photometric survey.[6]
In November 2010, a rotationallightcurve ofAsaramas was obtained from photometric observations in the R-band at thePalomar Transient Factory in California. Lightcurve analysis gave a typicalrotation period of 16.536 hours with a brightness variation of 0.16magnitude (U=2).[5]
According to the survey carried out by NASA'sWide-field Infrared Survey Explorer with its subsequentNEOWISE mission,Asaramas measures 11.64 kilometers in diameter and its surface has analbedo of 0.188,[4] while theCollaborative Asteroid Lightcurve Link assumes a standard albedo for Eoan asteroids of 0.14 and calculates a diameter of 10.78 kilometers, based on anabsolute magnitude of 12.59.[3]
Thisminor planet was named in honor of theAsociación Argentina Amigos de la Astronomía (A.A.A.A or Asaramas), an astronomical society for amateur astronomers in Argentina. Founded on 4 January 1929, the A.A.A.A. was the first contact with astronomy for a large number of professional astronomers at the La Plata Observatory.[2] The official naming citation was published by theMinor Planet Center on 1 September 1993 (M.P.C. 22503).[8]
