| Minorplanet: | yes |
| 296 Phaëtusa | |
| Background: |
|
| Discovered: | 19 August 1890 |
| Mpc Name: | (296) Phaëtusa |
| Pronounced: | [1] |
| Alt Names: | A890 QB, 1917 XB 1930 YH |
| Epoch: | 31 July 2016 (JD 2457600.5) |
| Semimajor: | 2.22847AU |
| Perihelion: | 1.87025AU |
| Aphelion: | 2.58669abbr=onNaNabbr=on |
| Eccentricity: | 0.16075 |
| Period: | 3.33 yr (1215.1 d) |
| Inclination: | 1.74738° |
| Asc Node: | 121.585° |
| Arg Peri: | 252.628° |
| Avg Speed: | 19.95 km/s |
| Dimensions: | 7 - 15 km |
| Rotation: | 4.5385abbr=onNaNabbr=on |
| Abs Magnitude: | 12.62 |
| Mean Motion: | / day |
| Observation Arc: | 85.28 yr (31149 d) |
| Uncertainty: | 0 |
296 Phaëtusa is a small Main belt asteroid.[2] It was discovered by Auguste Charlois on 19 August 1890 in Nice.