| Similarity | Rank | |
|---|---|---|
| orbits | 0.915 | 29511 |
| orbiting | 0.911 | 32947 |
| spacecraft | 0.866 | 16461 |
| orbital | 0.864 | 25633 |
| orbiter | 0.858 | 76092 |
| lander | 0.805 | 64228 |
| ecliptic | 0.804 | 82774 |
| planets | 0.803 | 9219 |
| flyby | 0.796 | 80846 |
| asteroid | 0.796 | 23057 |
| interplanetary | 0.786 | 60971 |
| asteroids | 0.783 | 33535 |
| moon's | 0.777 | 59912 |
| comet | 0.766 | 23908 |
| galactic | 0.763 | 32353 |
| gravitational | 0.762 | 22967 |
| Phobos | 0.761 | 91146 |
| satellites | 0.760 | 15579 |
| Pluto | 0.755 | 20936 |
| Jupiter's | 0.754 | 61517 |
| spaceship | 0.753 | 31046 |
| lunar | 0.750 | 16529 |
| wormhole | 0.747 | 56776 |
| interstellar | 0.747 | 31391 |
| planetary | 0.747 | 15837 |