| R1 | R2 | R1/R2 | Comment |
Sun-Mercury | 0.01 | 0.0193 | 0.5181 | Mercury can accept satellites with low probability |
Sun-Venus | 5.9862 × 10−3 | 0.01045 | 0.5728 | Venus can accept satellites with low probability |
Sun-Earth | 4.26 × 10−3 | 7.434 × 10−3 | 0.57 | Earth has a satellite |
Sun-Mars | 3.4566 × 10−3 | 6.025 × 10−3 | 0.5737 | Mars has two satellites |
Sun-Jupiter | 1.345 × 10−3 | 2.297 × 10−3 | 0.5855 | Much higher probability of satellites It has 67 natural satellites |
Earth-Moon | 0.0283 | 0.04936 | 0.5733 | Moon cannot accept a sub-satellite |
Mars-Phobos | 0.66 | 1.16 | 0.5689 | Phobos cannot accept sub-satellite |
Mars-Deimos | 0.2735 | 0.477815 | 0.5723 | Deimos cannot accept a sub-satellite |