| Feature type | Planitia |
|---|---|
| Coordinates | 42°42′N340°42′E / 42.7°N 340.7°E /42.7; 340.7 |
| Diameter | 3,570 km |
| Eponym | Sedna |
Sedna Planitia is a large lowland area ofVenus, south ofIshtar Terra.[1][2][3] It is thought to be lava-covered and similar to alunar mare. Its name is derived from theInuit sea goddess.