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Discovery
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| Discovered by | Yrjö Väisälä |
| Discovery site | Turku |
| Discovery date | September 21, 1938 |
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Designations
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| MPC designation | 1495 |
| Named after | Helsinki |
| Alternate name(s) | 1938 SW |
| Epoch May 14, 2008 | |
| Ap | 3.0429587 |
| Peri | 2.2368053 |
| Eccentricity | 0.1526874 |
| Orbital period | 1566.6615808 |
| Mean anomaly | 154.40030 |
| Inclination | 12.75134 |
| Longitude of ascending node | 13.29940 |
| Argument of peri | 267.89215 |
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Physical characteristics
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| Albedo | 0.1200 |
| Absolute magnitude (H) | 11.60 |
1495 Helsinki (1938 SW) is a main-belt asteroid discovered on September 21, 1938 by Yrjö Väisälä at Turku.
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