PSR B1257+12
PSR B1257+12 is a star 1,957 light years away with 3 known planets. The first was found in 1992 and the latest in 1994.
Open in 3DPlanets
| Planet | Orbital period | Distance from star | Radius (Earths) | Mass (Earths) | Found | Method |
|---|---|---|---|---|---|---|
| PSR B1257+12 b | 25.26 days | 0.19 AU | 0.02 | 1994 | Pulsar Timing | |
| PSR B1257+12 c | 66.54 days | 0.36 AU | 4.3 | 1992 | Pulsar Timing | |
| PSR B1257+12 d | 98.21 days | 0.46 AU | 3.9 | 1992 | Pulsar Timing |
Star
- 1.4 times the mass of the Sun
Data from the NASA Exoplanet Archive, as of October 3, 2026. In the 3D view sizes and distances are compressed and every orbit is drawn in the same plane. Where each planet sits along its orbit is made up.