1490 Limpopo
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Light-curve-based 3D-model of 1490 Limpopo
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| Discovery [1] | |
|---|---|
| Discovered by | C. Jackson |
| Discovery site | Johannesburg Obs. |
| Discovery date | 14 June 1936 |
| Designations | |
| MPC designation | 1490 Limpopo |
|
Named after
|
Limpopo River[2] |
| 1936 LB · 1931 BL 1937 WJ · 1937 YK 1947 ND · 1965 OD |
|
| main-belt · (inner) [3] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 84.57 yr (30,889 days) |
| Aphelion | 2.7176 AU |
| Perihelion | 1.9869 AU |
| 2.3522 AU | |
| Eccentricity | 0.1553 |
| 3.61 yr (1,318 days) | |
| 259.88° | |
| Inclination | 10.019° |
| 254.28° | |
| 90.900° | |
| Physical characteristics | |
| Dimensions | 18.58 km[4] 20.21±0.36 km[5] 16.358±0.045 km[6] 19.35±0.27 km[7] 18.55 km (derived)[3] |
| 6.647 h[8] 6.426±0.003 h[9] 6.15±0.1 h[10] |
|
| 0.0811[4] 0.069±0.003[5] 0.1048±0.0332[6] 0.068±0.011[7] 0.0742 (derived)[3] |
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| SMASS = Xc X [3] |
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| 12.1 | |
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1490 Limpopo, provisional designation 1936 LB, is an asteroid from the inner regions of the asteroid belt, about 19 kilometers in diameter. It was discovered by English-born South Africa astronomer Cyril Jackson at Union Observatory, Johannesburg, on 14 June 1936.[11]
The X-type asteroid orbits the Sun at a distance of 2.0–2.7 AU once every 3.61 years (1,318 days). Its orbit shows an eccentricity of 0.16 and is tilted by 10 degrees to the plane of the ecliptic. It has a rotation period of 6.2 to 6.6 hours.[8][9][10] According to the surveys carried out by IRAS, Akari, WISE and NEOWISE, it has an albedo of 0.07–0.10.[4][5][6][7]
The minor planet was named after the Limpopo River, which rises in central southern Africa, and flows through Botswana, Mozambique, South Africa and Zimbabwe into the Indian Ocean.[2]
References
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<references />, or <references group="..." />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
- 1490 Limpopo at the JPL Small-Body Database
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