| Discovery[1] | |
|---|---|
| Discovered by | L. Boyer |
| Discovery site | Algiers Obs. |
| Discovery date | 22 March 1949 |
| Designations | |
| (1574) Meyer | |
Named after | Georges Meyer (astronomer, director)[2] |
| 1949 FD · 1930 KE 1935 CW | |
| main-belt · (outer)[1] | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 87.03 yr (31,786 days) |
| Aphelion | 3.6602AU |
| Perihelion | 3.4133 AU |
| 3.5368 AU | |
| Eccentricity | 0.0349 |
| 6.65yr (2,429 days) | |
| 137.01° | |
| 0° 8m 53.52s / day | |
| Inclination | 14.479° |
| 245.64° | |
| 262.24° | |
| Physical characteristics | |
| Dimensions | 57.785±0.435 km[3] 58.88 km(derived)[4] 60.82±1.30 km[5] 69.966±3.256 km[6] |
| 12.64±0.05h[7] | |
| 0.0274±0.0105[6] 0.036±0.002[5] 0.042±0.011[3] 0.0559(derived)[4] | |
| C[4] | |
| 9.87±0.16[8] · 9.9[1][4] · 10.3[5][6] | |
1574 Meyer, provisional designation1949 FD, is a carbonaceousasteroid from the outer region of theasteroid belt, approximately 59 kilometers in diameter. It was discovered on 22 March 1949, by French astronomerLouis Boyer atAlgiers Observatory in Algeria, northern Africa.[9] It was named after French astronomerM. Georges Meyer.[2]
TheC-type asteroid orbits the Sun in theouter main-belt at a distance of 3.4–3.7 AU once every 6 years and 8 months (2,429 days). It is a member of theCybele group,[10] with anorbital eccentricity of 0.04 and aninclination of 14° with respect to theecliptic.[1] First identified as1930 KE atJohannesburg Observatory,Meyer'sobservation arc was extended by 19 years prior to its official discovery observation at Algiers.[9] On 10 September 1998,Meyerocculted PPM 172432.[11]
In March 2009, a rotationallightcurve ofMeyer was obtained from photometric observations by Landry Carbo at the Oakley Southern Sky Observatory in Australia. The lightcurve analysis gave arotation period of 12.64 hours with a brightness variation of 0.12magnitude (U=2).[7]
According to the space-based surveys carried out by the JapaneseAkari satellite and NASA'sWide-field Infrared Survey Explorer with its subsequentNEOWISE mission,Meyer measures between 57.78 and 69.97 kilometers in diameter, and its surface has analbedo between 0.027 and 0.042.[3][5][6] TheCollaborative Asteroid Lightcurve Link derives an albedo of 0.0559 and calculates a diameter of 58.88 kilometers with anabsolute magnitude of 9.9.[4]
Thisminor planet was named for French astronomer M. Georges Meyer (born 1894), director of the discovering Algiers Observatory.[2] The officialnaming citation was published by theMinor Planet Center in November 1952 (M.P.C. 837).[12]
