Open Access
Table 1
Physical values for Uranus and Neptune.
| Uranus | Neptune | |||
|---|---|---|---|---|
| Mass | 8.68099 · 1025 kg | Jacobson & Park (2025) | 1.02409 · 1026 kg | Jacobson (2009) |
| Equatorial radius | 25559 km | Lindal et al. (1987) | 24766 km | Lindal (1992) |
| Reference radius | 25559 km | French et al. (2024) | 25225 km | Wang et al. (2023) |
| J2 | (3509.291 ± 0.412) 10−6 | French et al. (2024) | (3401.655 ± 3.994) 10−6 | Wang et al. (2023) |
| J4 | (−35.522 ± 0.466) 10−6 | French et al. (2024) | (−33.294 ± 10) 10−6 | Wang et al. (2023) |
| cov(J2, J4) | 0.9861 σJ2 σJ4 | French et al. (2024) | – | – |
| Rotational period | 62064 s | Desch et al. (1986) | 57479 s | Karkoschka (2011) |
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