274 Philagoria
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| Discovery A | |
|---|---|
| Discoverer | Johann Palisa |
| Discovery date | April 3, 1888 |
| Alternate designations B |
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| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.126 |
| Semi-major axis (a) | 455.153 Gm (3.043 AU) |
| Perihelion (q) | 397.694 Gm (2.658 AU) |
| Aphelion (Q) | 512.612 Gm (3.427 AU) |
| Orbital period (P) | 1938.375 d (5.31 a) |
| Mean orbital speed | 17.08 km/s |
| Inclination (i) | 3.681° |
| Longitude of the ascending node (Ω) |
92.906° |
| Argument of perihelion (ω) |
120.37° |
| Mean anomaly (M) | 344.327° |
| Physical characteristics D | |
| Dimensions | 27.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | 17.915 hours |
| Spectral class | L |
| Absolute magnitude | 10.08 |
| Albedo (geometric) | 0.228 ±0.047 |
| Mean surface temperature |
unknown |
274 Philagoria is a typical Main belt asteroid.
It was discovered by Johann Palisa on April 3, 1888 in Vienna.
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