746 Marlu
Modelled shape of Marlu from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | F. Kaiser |
| Discovery site | Heidelberg Obs. |
| Discovery date | 1 March 1913 |
| Designations | |
| (746) Marlu | |
Named after | Marie-Louise Kaiser (Discoverer's daughter) |
| A913 EJ · 1926 WA 1975 XN · 1913 QY | |
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| Orbital characteristics | |
| Epoch 31 May 2020 (JD 2459000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 104.37 yr (38,122 d) |
| Aphelion | 3.8461 AU |
| Perihelion | 2.3728 AU |
| 3.1094 AU | |
| Eccentricity | 0.2369 |
| 5.48 yr (2,003 d) | |
| 60.352° | |
| 0° 10m 47.28s / day | |
| Inclination | 17.480° |
| 1.9385° | |
| 306.79° | |
| Physical characteristics | |
| Dimensions | 72.0 km × 65.0 km |
| |
| 7.787 h | |
Pole ecliptic latitude |
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746 Marlu (prov. designation: A913 EJ or 1913 QY) is a dark and large background asteroid from the outer regions of the asteroid belt, approximately 72 kilometers (45 miles) in diameter. It was discovered on 1 March 1913, by German astronomer Franz Kaiser at the Heidelberg Observatory in southwest Germany. The primitive P-type asteroid has a rotation period of 7.8 hours. It was named after the discoverer's daughter, Marie-Louise Kaiser.