| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:19:51 |
| WDS: | COU401 | WDS ID/Discoverer |
| P: | 98.700 | Orbital period (years) |
| a: | 0.401 | Semi-major axis (arcseconds) |
| i: | 76.8 | Inclination (degrees) |
| Ω: | 165.4 | Longitude of ascending node (degrees) |
| T: | 2007.420 | Epoch of periastron passage (year) |
| e: | 0.7 | Eccentricity |
| ω: | 70.9 | Longitude of periastron (degrees) |
| Start-Year: | 1976.0 | Year |
| End-Year: | 2074.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 134809.21+224806.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 13482+2248 | WDS designation |
| Discoverer Code: | COU401 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 120280 | HD catalog number |
| Hipparcos number: | 67342 | Hipparcos catalog number |
| V1: | 9.5 | Magnitude of the primary |
| V2: | 10.6 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2007 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.390 354.2 ------------------------- 1976.0 0.142 67.4 1977.0 0.139 72.3 1978.0 0.137 77.3 1979.0 0.136 82.4 1980.0 0.136 87.6 1981.0 0.137 92.7 1982.0 0.139 97.8 1983.0 0.141 102.6 1984.0 0.144 107.3 1985.0 0.148 111.8 1986.0 0.153 116.0 1987.0 0.158 120.0 1988.0 0.163 123.7 1989.0 0.169 127.2 1990.0 0.175 130.4 1991.0 0.181 133.4 1992.0 0.187 136.2 1993.0 0.193 138.9 1994.0 0.198 141.4 1995.0 0.203 143.8 1996.0 0.207 146.1 1997.0 0.211 148.2 1998.0 0.213 150.4 1999.0 0.214 152.5 2000.0 0.213 154.6 2001.0 0.209 156.7 2002.0 0.202 159.0 2003.0 0.191 161.5 2004.0 0.174 164.3 2005.0 0.148 168.0 2006.0 0.113 173.6 2007.0 0.067 186.1 2008.0 0.028 244.5 2009.0 0.060 317.4 2010.0 0.109 331.8 2011.0 0.154 337.5 2012.0 0.192 340.7 2013.0 0.224 342.9 2014.0 0.252 344.6 2015.0 0.276 346.0 2016.0 0.296 347.2 2017.0 0.314 348.2 2018.0 0.329 349.1 2019.0 0.342 350.0 2020.0 0.354 350.8 2021.0 0.364 351.5 2022.0 0.372 352.2 2023.0 0.379 352.9 2024.0 0.385 353.5 2025.0 0.390 354.2 2026.0 0.394 354.8 2027.0 0.397 355.4 2028.0 0.399 356.0 2029.0 0.400 356.6 2030.0 0.401 357.2 2031.0 0.401 357.8 2032.0 0.400 358.4 2033.0 0.399 359.0 2034.0 0.398 359.6 2035.0 0.395 0.2 2036.0 0.393 0.8 2037.0 0.390 1.4 2038.0 0.386 2.1 2039.0 0.382 2.7 2040.0 0.378 3.4 2041.0 0.373 4.1 2042.0 0.368 4.8 2043.0 0.363 5.5 2044.0 0.358 6.2 2045.0 0.352 7.0 2046.0 0.346 7.8 2047.0 0.339 8.6 2048.0 0.333 9.4 2049.0 0.326 10.3 2050.0 0.319 11.2 2051.0 0.312 12.2 2052.0 0.304 13.2 2053.0 0.297 14.3 2054.0 0.289 15.4 2055.0 0.281 16.6 2056.0 0.273 17.8 2057.0 0.265 19.1 2058.0 0.257 20.5 2059.0 0.249 22.0 2060.0 0.241 23.6 2061.0 0.233 25.3 2062.0 0.225 27.1 2063.0 0.217 29.1 2064.0 0.209 31.2 2065.0 0.201 33.5 2066.0 0.193 36.0 2067.0 0.186 38.6 2068.0 0.179 41.5 2069.0 0.172 44.6 2070.0 0.165 48.0 2071.0 0.159 51.6 2072.0 0.154 55.5 2073.0 0.149 59.7