1728 Goethe Link
| Discovery | |
|---|---|
| Discovered by |
Indiana University (Indiana Asteroid Program) |
| Discovery site | Goethe Link Obs. |
| Discovery date | 12 October 1964 |
| Designations | |
| MPC designation | (1728) Goethe Link |
|
Named after
|
Dr Goethe Link (observatory's founder) |
| 1964 TO · 1943 OA 1952 WH · 1955 KE 1956 VD · 1964 UB 1967 JD |
|
| main-belt · (middle) | |
| Orbital characteristics | |
| Epoch 16 February 2017 (JD 2457800.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 72.90 yr (26,625 days) |
| Aphelion | 2.7916 AU |
| Perihelion | 2.3346 AU |
| 2.5631 AU | |
| Eccentricity | 0.0891 |
| 4.10 yr (1,499 days) | |
| 334.34° | |
| 0° 14m 24.72s / day | |
| Inclination | 7.1867° |
| 240.52° | |
| 66.704° | |
| Physical characteristics | |
| Dimensions |
14.58±0.33 km 15.60 km (calculated) 18.18±1.09 km |
| 81±2 h | |
|
0.194±0.025 0.20 (assumed) 0.251±0.032 |
|
| S | |
| 11.10 · 11.19±0.27 · 11.30 · 11.4 | |
1728 Goethe Link, provisional designation 1964 TO, is a stony asteroid and relatively slow rotator from the middle region of the asteroid belt, approximately 16 kilometers in diameter. It was discovered on 12 October 1964, by Indiana University during its Indiana Asteroid Program at Goethe Link Observatory in Brooklyn, Indiana, United States.
The S-type asteroid orbits the Sun at a distance of 2.3–2.8 AU once every 4 years and 1 month (1,499 days). Its orbit has an eccentricity of 0.09 and an inclination of 7° with respect to the ecliptic.Goethe Link was first identified as 1943 OA at Heidelberg Observatory in 1943, extending the body's observation arc by 21 years prior to its official discovery observation.
In October 2005, a rotational light-curve of Goethe Link was obtained by French amateur astronomer Laurent Bernasconi. It gave a long rotation period of 81 hours with a brightness variation of 0.39 magnitude (U=2).
According to the surveys carried out the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Goethe Link measures 14.58 and 18.18 kilometers in diameter, and its surface has an albedo of 0.194 and 0.251, respectively. The Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 15.60 kilometers based on an absolute magnitude of 11.4.
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