1754 Cunningham
| Discovery [1] | |
|---|---|
| Discovered by | E. Delporte |
| Discovery site | Uccle – Belgium |
| Discovery date | 29 March 1935 |
| Designations | |
| MPC designation | 1754 Cunningham |
|
Named after
|
Leland Cunningham (astronomer)[2] |
| 1935 FE · 1938 RE 1943 GH · 1951 FB 1952 HO1 · 1952 KB1 1954 UD1 · 1962 TG 1967 EE · 1968 KR 1969 PJ · A904 JB |
|
| main-belt (outer) · Hilda [3][4] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 111.40 yr (40,689 days) |
| Aphelion | 4.6039 AU |
| Perihelion | 3.2734 AU |
| 3.9386 AU | |
| Eccentricity | 0.1689 |
| 7.82 yr (2,855 days) | |
| 341.07° | |
| Inclination | 12.153° |
| 162.90° | |
| 109.51° | |
| Physical characteristics | |
| Dimensions | 79.52 km[5] 83.55±1.66 km[6] |
| 4.285 h[7] 7.7398±0.0003 h[8] 5.16±0.01 h[lower-alpha 1] 7.7416±0.0005 h[9] |
|
| 0.0345[5] 0.031±0.001[6] |
|
| B–V = 0.674 U–B = 0.256 Tholen = P P [3] |
|
| 9.77 | |
1754 Cunningham, provisional designation 1935 FE, is a dark, reddish Hildian asteroid from the outermost region of the asteroid belt, about 80 kilometers in diameter. It was discovered by Belgian astronomer Eugène Delporte at the Royal Observatory of Belgium in Uccle, on 29 March 1935.[10]
The asteroid is a member of the Hilda family, a large group that orbits in resonance with the gas giant Jupiter and are thought to originate from the Kuiper belt. As of 2015, it belongs to a small group of 33 known asteroids with a spectral P-type in the Tholen classification scheme.[11] It orbits the Sun at a distance of 3.3–4.6 AU once every 7 years and 10 months (2,855 days). Its orbit shows an eccentricity of 0.17 and is tilted by 12 degrees to the plane of the ecliptic. It has a rotation period of 7.4 hours[8][9] and a very low albedo of 0.03, according to surveys carried out by the Infrared Astronomical Satellite, IRAS, and the Japanese Akari space mission.[5][6]
The minor planet was named in honor of American astronomer Leland Cunningham (1904–1989), who began his career as an assistant to astronomer Fred Whipple (also see 1940 Whipple) at Harvard University in the 1930s and worked at the Leuschner Observatory of University of California during the 1940s and 1950s. Cunningham discovered four minor planets himself and was a prolific computer of cometary orbits and observer of faint comets, including comet Gale, a lost comet he recovered in 1938.[2]
References
- ↑ Slyusarev (2012) web: rotation period 5.16±0.01 hours with a brightness amplitude of 0.08 mag. Summary figures at Collaborative Asteroid Lightcurve Link (CALL) for (1754) Cunningham
- ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 5.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 6.0 6.1 6.2 Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ 8.0 8.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 9.0 9.1 Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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
- 1754 Cunningham at the JPL Small-Body Database
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