954 Li
Main-belt asteroid
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954 Li is a main belt asteroid and member of the Themis family.[5] It was discovered by Karl Wilhelm Reinmuth on 4 August 1921 and was named after his wife Lina Alstede Reinmuth, who also had 955 Alstede named after her.[1] Classified as an FCX-type asteroid under the Tholen classification scheme, Li's spectrum may indicate aqueous alteration.[5]: 468 The asteroid is estimated to be around 52 kilometres (32 mi) in size,[3]: 5 and observations of its lightcurve—variations in its observed brightness—indicate that it rotates once every 7.2 hours.[4]: 604
Discoverydate4 August 1921
1905 UN · 1920 GC · 1921 PC · 1943 PE · 1952 BE2[1]
| Discovery[1] | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg |
| Discovery date | 4 August 1921 |
| Designations | |
| 1905 UN · 1920 GC · 1921 PC · 1943 PE · 1952 BE2[1] | |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 109.65 yr (40051 days) |
| Aphelion | 3.6711 AU (549.19 Gm) |
| Perihelion | 2.5915 AU (387.68 Gm) |
| 3.1313 AU (468.44 Gm) | |
| Eccentricity | 0.17239 |
| 5.54 yr (2023.9 d) | |
| 34.454° | |
| 0° 10m 40.332s / day | |
| Inclination | 1.1694° |
| 163.235° | |
| 151.503° | |
| Physical characteristics | |
| 26.03±0.41 km [3]: 5 [a] | |
| 7.207±0.002 h[4]: 604 | |
| 0.06 (geometric)[2] | |
| FCX[5]: 468 | |
| 10.16 (JPL)[2] | |
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