| Ephemeris for Penelope | |
| Encyclopedia Mythica Search for Penelope | |
| JPL Small-Body Database Browser (may be naming citation info at bottom) for Penelope | |
| Nasa Orbit Applet for Penelope | |
| Wikipedia Search for Penelope | |
| Google Search for Penelope | |
| Biography Search for Penelope | |
| Merriam Webster Search for Penelope | |