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What is the path of the defined CEO?
The CEO moves 66 mas in ICRS right ascension over the next 100 years; its ICRS coordinates at J2100 are RA = 00h 00m 00s.0046, Dec = -00° 33' 25".073 (See the Table).
Table: How far apart the CEO and the equinox are over two centuries (RA in h, min, s; Dec in °, ', ")
| Celestial Ephemeris Origin | True equinox of date | |||
| Year | RA (ICRS) | Dec (ICRS) | RA (ICRS) | Dec (ICRS) |
| 1900.0 1910.0 1920.0 1930.0 1940.0 1950.0 1960.0 1970.0 1980.0 1990.0 2000.0 2010.0 2020.0 2030.0 2040.0 2050.0 2060.0 2070.0 2080.0 2090.0 2100.0 | 0 00 00.0047 0 00 00.0032 0 00 00.0024 0 00 00.0014 0 00 00.0010 0 00 00.0004 0 00 00.0002 0 00 00.0001 0 00 00.0001 0 00 00.0001 0 00 00.0001 0 00 00.0002 0 00 00.0002 0 00 00.0001 0 00 00.0004 0 00 00.0003 0 00 00.0010 0 00 00.0014 0 00 00.0023 0 00 00.0033 0 00 00.0046 | + 0 33 17.516 + 0 30 09.988 + 0 26 37.886 + 0 23 27.188 + 0 19 59.335 + 0 16 43.606 + 0 13 21.534 + 0 09 59.567 + 0 06 43.932 + 0 03 15.743 + 0 00 05.558 - 0 03 26.947 - 0 06 34.227 - 0 10 08.129 - 0 13 15.423 - 0 16 47.925 - 0 19 57.777 - 0 23 26.414 - 0 26 41.163 - 0 30 03.861 - 0 33 25.073 | 0 05 06.3320 0 04 37.5683 0 04 05.0713 0 03 35.8032 0 03 03.9627 0 02 33.9177 0 02 02.9559 0 01 31.9579 0 01 01.9676 0 00 30.0215 0 00 00.8512 0 00 31.7558 0 01 00.4900 0 01 33.3202 0 02 02.0570 0 02 34.6922 0 03 03.8137 0 03 35.8834 0 04 05.7455 0 04 36.9319 0 05 07.7813 | + 0 33 17.566 + 0 30 09.920 + 0 26 37.996 + 0 23 27.086 + 0 19 59.453 + 0 16 43.513 + 0 13 21.622 + 0 09 59.511 + 0 06 43.971 + 0 03 15.729 + 0 00 05.558 - 0 03 26.941 - 0 06 34.234 - 0 10 08.138 - 0 13 15.402 - 0 16 47.985 - 0 19 57.698 - 0 23 26.547 - 0 26 41.016 - 0 30 04.060 - 0 33 24.882 |