1522 Kokkola
| Discovery [1] | |
|---|---|
| Discovered by | L. Oterma |
| Discovery site | Turku Observatory |
| Discovery date | 18 November 1938 |
| Designations | |
| MPC designation | 1522 Kokkola |
|
Named after
|
Kokkola (Finnish town)[2] |
| 1938 WO · 1949 WB | |
| main-belt · Vestoid [3] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 77.08 yr (28,155 days) |
| Aphelion | 2.5375 AU |
| Perihelion | 2.1979 AU |
| 2.3677 AU | |
| Eccentricity | 0.0717 |
| 3.64 yr (1,331 days) | |
| 339.97° | |
| Inclination | 5.3506° |
| 60.652° | |
| 30.662° | |
| Physical characteristics | |
| Dimensions | 9.781±0.080 km[4] 8.65±0.57 km[5] 9.57 km (derived)[3] |
| 5.83 h[6] | |
| 0.1924±0.0374[4] 0.252±0.025[5] 0.20 (assumed)[3] |
|
| B–V = 0.880 U–B = 0.510 S [3] |
|
| 12.43[1] | |
1522 Kokkola, provisional designation 1938 WO, is a stony asteroid from the inner regions of the asteroid belt, about 9 kilometers in diameter. It was discovered by pioneering Finnish female astronomer Liisi Oterma at the Turku Observatory, Finland, on 18 November 1938.[7]
The S-type asteroid orbits the Sun at a distance of 2.2–2.5 AU once every 3 years and 8 months (1,331 days). Its orbit shows an eccentricity of 0.07 and is tilted by 5 degrees to the plane of the ecliptic. It has a rotation period of 5.83 hours[6] and an albedo between 0.19 and 0.24, based on observations by the Wide-field Infrared Survey Explorer and its subsequent NEOWISE mission.[4][5]
The asteroid was named in honour of the Finnish town and port on the Gulf of Bothnia, Kokkola.[2]
References
- ↑ 1.0 1.1 1.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 3.2 3.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 4.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 5.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 6.0 6.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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
- 1522 Kokkola at the JPL Small-Body Database
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