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Discovery
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| Discovered by | Johann Palisa |
| Discovery date | April 3, 1888 |
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Designations
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| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 512.612 Gm (3.427 AU) |
| Perihelion | 397.694 Gm (2.658 AU) |
| Semi-major axis | 455.153 Gm (3.043 AU) |
| Eccentricity | 0.126 |
| Orbital period | 1938.375 d (5.31 a) |
| Average orbital speed | 17.08 km/s |
| Mean anomaly | 344.327° |
| Inclination | 3.681° |
| Longitude of ascending node | 92.906° |
| Argument of perihelion | 120.37° |
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Physical characteristics
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| Dimensions | 27.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | 17.915 hours |
| Albedo | 0.228 ±0.047 |
| Temperature | unknown |
| Spectral type | L |
| Absolute magnitude (H) | 10.08 |
274 Philagoria is a typical Main belt asteroid.
It was discovered by Johann Palisa on April 3, 1888 in Vienna.
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