Tham khảo Chu_kỳ_quay_quanh_trục

  1. ↑ Rotation and pole position for the Sun and planets Rotation period in ngày is 360° divided by the coefficient of d.
  2. ↑ Report of the IAU/IAG Working Group on Cartographic Coordinates and Rotational Elements of the Planets and Satellites: 2000PDF (215KB) pp7–8
  3. 1 2 3 4 5 6 7 8 9 10 11 12 13 Clabon Walter Allen and Arthur N. Cox (2000). Allen's Astrophysical Quantities. Springer. tr. 296. ISBN 0387987460. 
  4. 1 2 3 This rotation is negative because the pole which points north of the ecliptic rotates in the opposite direction to most other planets.
  5. ↑ Reference adds about 1 ms to Earth's stellar day given in mean solar time to account for the length of Earth's mean solar day in excess of 86400 SI seconds.
  6. ↑ Clabon Walter Allen and Arthur N. Cox (2000). Allen's Astrophysical Quantities. Springer. tr. 308. ISBN 0387987460. 
  7. ↑ Chamberlain, Matthew A.; Sykes, Mark V.; Esquerdo, Gilbert A. (2007). “Ceres lightcurve analysis – Period determination”. Icarus 188: 451–456. doi:10.1016/j.icarus.2006.11.025.  Chú thích sử dụng tham số |coauthors= bị phản đối (trợ giúp)
  8. 1 2 3 4 Rotation period of the deep interior is that of the planet's magnetic field.
  9. ↑ Pedro Lacerda, David Jewitt and Nuno Peixinho (ngày 2 tháng 4 năm 2008). “High-Precision Photometry of Extreme KBO 2003 EL61”. The Astronomical Journal 135: 1749–1756. doi:10.1088/0004-6256/135/5/1749. Truy cập ngày 22 tháng 9 năm 2008.