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Galileo image of a region in the south hemisphere of Callisto. | |
| Feature type | Impact crater |
|---|---|
| Coordinates | 38°36′S 82°42′W / 38.60°S 82.70°W[1] |
| Diameter | 93.50 km |
| Eponym | Alternative name for Odin |
Jalkr is a bright crater on Jupiter's moon Callisto measuring 74 km across (in the lower part of the image). This an example of a central dome impact crater.[2] A smaller degraded crater in the upper part of the image is called Audr.