1788 Kiess
| Discovery | |
|---|---|
| Discovered by |
Indiana University (Indiana Asteroid Program) |
| Discovery site | Goethe Link Obs. |
| Discovery date | 25 July 1952 |
| Designations | |
| MPC designation | (1788) Kiess |
|
Named after
|
Carl C. Kiess (astronomer) |
| 1952 OZ · 1935 NE 1964 WP |
|
| main-belt · Themis | |
| Orbital characteristics | |
| Epoch 16 February 2017 (JD 2457800.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 63.87 yr (23,329 days) |
| Aphelion | 3.5996 AU |
| Perihelion | 2.6390 AU |
| 3.1193 AU | |
| Eccentricity | 0.1540 |
| 5.51 yr (2,012 days) | |
| 287.78° | |
| 0° 10m 44.04s / day | |
| Inclination | 0.6814° |
| 161.87° | |
| 143.43° | |
| Physical characteristics | |
| Dimensions | 19.59 km (calculated) 20.993±0.271 km |
|
11.0335±0.0071 h 12±2 h |
|
|
0.070±0.014 0.08 (assumed) |
|
| C | |
| 11.801±0.002 (R) · 11.9 · 11.93±0.26 | |
1788 Kiess, provisional designation 1952 OZ, is a carbonaceous Themistian asteroid from the outer region of the asteroid belt, approximately 20 kilometers in diameter. It was discovered on 25 July 1952, by the Indiana Asteroid Program at the U.S. Goethe Link Observatory near Brooklyn, Indiana, United States.
The C-type asteroid is a member of the Themis family, a dynamical family of outer-belt asteroids with nearly coplanar ecliptical orbits. The asteroid orbits the Sun at a distance of 2.6–3.6 AU once every 5 years and 6 months (2,012 days). Its orbit has an eccentricity of 0.15 and an inclination of 1° with respect to the ecliptic.of 2.6–3.6 AU once every 5 years and 6 months (2,012 days). Its orbit has an eccentricity of 0.15 and an inclination of 1° with respect to the ecliptic.Kiess was first identified as 1935 NE at Algiers Observatory in 1935. Its observation arc begins with its official discovery observation.
In 2010, two rotational light-curves were obtained from photometric observations at the Palomar Transient Factory in California. They gave a rotation period of 12 and 11.0335 hours with a brightness variation of 0.25 and 0.30 magnitude, respectively (U=2-/2).
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