| Name | Long Now Orrery |
| Address | San Francisco, California |
| Date | 0000-00-00 |
| Time | 00:00:00 |
| Category | unknown |
| Description | A modern mechanical planetary system, part of a 10,000 year clock.... |
| Coordinates | 37.80660, -122.43220 |
| Web address | /places/long-now-orrery |