Template:行星判别式
| 天体 | 相对地球 质量（ME） |
清空轨道 的能力Λ* |
清空轨道 的程度µ** |
|---|---|---|---|
| 水星 | 0.055 | 1.95 × 103 | 9.1 × 104 |
| 金星 | 0.815 | 1.66 × 105 | 1.35 × 106 |
| 地球 | 1 | 1.53 × 105 | 1.7 × 106 |
| 火星 | 0.107 | 9.42 × 102 | 1.8 × 105 |
| 谷神星 | 0.000 15 | 8.32 × 10−4 | 0.33 |
| 木星 | 317.7 | 1.30 × 109 | 6.25 × 105 |
| 土星 | 95.2 | 4.68 × 107 | 1.9 × 105 |
| 天王星 | 14.5 | 3.85 × 105 | 2.9 × 104 |
| 海王星 | 17.1 | 2.73 × 105 | 2.4 × 104 |
| 冥王星 | 0.002 2 | 2.95 × 10−3 | 0.077 |
| 妊神星 | 0.000 67 | 2.68 × 10–4 | 0.02 |
| 鸟神星 | 0.000 67 | 2.22 × 10–4 | 0.02[2] |
| 阋神星 | 0.002 8 | 2.13 × 10−3 | 0.10 |
| 賽德娜 | 0.000 22 | 3.64 × 10−7 | <0.07[3] |
| *Λ = k M2 a−3/2正比于质量2、反比于轨道周期。Λ > 1为行星[4] **µ = M/m为与轨道区域其它天体总质量之比。µ > 100为行星 | |||
- ^ Soter, Steven. What Is a Planet?. The Astronomical Journal. 2006-01, 132 (6). Bibcode:2006AJ....132.2513S. ISSN 0004-6256. arXiv:astro-ph/0608359
. doi:10.1086/508861 （英语）.
- ^ Iorio, Lorenzo. Dynamical determination of the mass of the Kuiper Belt from motions of the inner planets of the Solar system: Dynamical determination of Kuiper Belt mass. Monthly Notices of the Royal Astronomical Society. 2007-02-05, 375 (4). Bibcode:2007MNRAS.tmp...24I. doi:10.1111/j.1365-2966.2006.11384.x （英语）.
- ^ Calculated using the estimate of a minimum of 15 Sedna mass objects in the region. Estimate found in Schwamb, Megan E.; Brown, Michael E.; Rabinowitz, David L.（2009）. "A Search for Distant Solar System Bodies in the Region of Sedna". The Astrophysical Journal Letters 694 (1): L45–L48.
- ^ Stern, S. Alan; Levison, Harold F. Regarding the criteria for planethood and proposed planetary classification schemes. Highlights of Astronomy. 2002-01-01, 12. Bibcode:2002HiA....12..205S.
