1732 Heike
| Discovery [1] | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 9 March 1943 |
| Designations | |
| MPC designation | 1732 Heike |
|
Named after
|
Heike Neckel granddaughter of Alfred Bohrmann [2] |
| 1943 EY · 1934 LC 1935 TD · 1938 FC 1938 GB · 1950 NR1 1951 WW · 1960 ME 1961 TU1 · 1966 QJ 1971 QY1 · A906 FA A924 PB |
|
| main-belt · Eos [3][4] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 109.59 yr (40,027 days) |
| Aphelion | 3.3462 AU |
| Perihelion | 2.6819 AU |
| 3.0141 AU | |
| Eccentricity | 0.1101 |
| 5.23 yr (1,911 days) | |
| 100.92° | |
| Inclination | 10.790° |
| 155.71° | |
| 209.30° | |
| Physical characteristics | |
| Dimensions | 24.06 km[5] 24.31±1.45 km[6] 23.485±0.161 km[7] 20.50±0.79 km[8] 24.17 km (derived)[3] |
| 4.742 h[9] 4.74±0.01 h[10] 3.90 h[4] |
|
| 0.1108[5] 0.114±0.015[6] 0.1169±0.0116[7] 0.201±0.040[8] 0.1320 (derived)[3] |
|
| S [3] | |
| 10.9 | |
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1732 Heike, provisional designation 1943 EY, is a stony asteroid from the asteroid belt, about 24 kilometers in diameter. It was discovered by German astronomer Karl Reinmuth at Heidelberg Observatory on 9 March 1943.[11]
The S-type asteroid is a member of the Eos family. It orbits the Sun at a distance of 2.7–3.3 AU once every 5 years and 3 months (1,911 days). Its orbit shows an eccentricity of 0.11 and is tilted by 11 degrees to the plane of the ecliptic. It has an albedo of about 0.12, based on observations carried out by IRAS, Akari, WISE and NEOWISE.[5][6][7][8]
Photometric observations of this asteroid collected during 2008 show a rotation period of 4.74±0.01 hours with a brightness variation of 0.32±0.04 in magnitude.[10]
It was named after Heike Neckel, granddaughter of German astronomer Alfred Bohrmann (1904–2000), who was a colleague of the discoverer at Heidelberg. The asteroid 1635 Bohrmann bears his name.[2]
References
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<references />, or <references group="..." />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 (1)-(5000) – Minor Planet Center
- 1732 Heike at the JPL Small-Body Database
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