| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:56:44 |
| WDS: | COU1702 | WDS ID/Discoverer |
| P: | 101.900 | Orbital period (years) |
| a: | 0.197 | Semi-major axis (arcseconds) |
| i: | 60.0 | Inclination (degrees) |
| Ω: | 100.0 | Longitude of ascending node (degrees) |
| T: | 1967.400 | Epoch of periastron passage (year) |
| e: | 0.55 | Eccentricity |
| ω: | 93.3 | Longitude of periastron (degrees) |
| Start-Year: | 1975.0 | Year |
| End-Year: | 2075.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 040959.09+423505.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04100+4235 | WDS designation |
| Discoverer Code: | COU1702 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 26139 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 8.9 | Magnitude of the primary |
| V2: | 8.9 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.160 32.2 ------------------------- 1975.0 0.129 278.5 1976.0 0.137 281.7 1977.0 0.144 284.6 1978.0 0.150 287.2 1979.0 0.155 289.7 1980.0 0.159 292.0 1981.0 0.162 294.3 1982.0 0.165 296.4 1983.0 0.167 298.5 1984.0 0.169 300.5 1985.0 0.170 302.5 1986.0 0.171 304.5 1987.0 0.171 306.4 1988.0 0.172 308.4 1989.0 0.171 310.3 1990.0 0.171 312.3 1991.0 0.171 314.2 1992.0 0.170 316.2 1993.0 0.169 318.2 1994.0 0.169 320.2 1995.0 0.168 322.2 1996.0 0.167 324.3 1997.0 0.165 326.4 1998.0 0.164 328.5 1999.0 0.163 330.6 2000.0 0.162 332.8 2001.0 0.161 335.0 2002.0 0.160 337.2 2003.0 0.159 339.4 2004.0 0.158 341.7 2005.0 0.157 344.1 2006.0 0.156 346.4 2007.0 0.155 348.8 2008.0 0.154 351.2 2009.0 0.154 353.6 2010.0 0.153 356.0 2011.0 0.153 358.5 2012.0 0.152 0.9 2013.0 0.152 3.4 2014.0 0.152 5.9 2015.0 0.152 8.4 2016.0 0.152 10.8 2017.0 0.153 13.3 2018.0 0.153 15.7 2019.0 0.154 18.2 2020.0 0.155 20.6 2021.0 0.155 23.0 2022.0 0.156 25.3 2023.0 0.157 27.6 2024.0 0.158 29.9 2025.0 0.160 32.2 2026.0 0.161 34.4 2027.0 0.162 36.6 2028.0 0.164 38.8 2029.0 0.165 40.9 2030.0 0.166 43.0 2031.0 0.168 45.0 2032.0 0.170 47.1 2033.0 0.171 49.0 2034.0 0.173 51.0 2035.0 0.174 52.9 2036.0 0.175 54.7 2037.0 0.177 56.6 2038.0 0.178 58.4 2039.0 0.179 60.2 2040.0 0.181 62.0 2041.0 0.182 63.7 2042.0 0.183 65.4 2043.0 0.183 67.2 2044.0 0.184 68.9 2045.0 0.184 70.5 2046.0 0.184 72.2 2047.0 0.184 73.9 2048.0 0.184 75.6 2049.0 0.183 77.3 2050.0 0.182 79.0 2051.0 0.181 80.7 2052.0 0.179 82.5 2053.0 0.177 84.3 2054.0 0.174 86.2 2055.0 0.171 88.1 2056.0 0.167 90.1 2057.0 0.162 92.2 2058.0 0.157 94.5 2059.0 0.150 96.9 2060.0 0.143 99.6 2061.0 0.135 102.5 2062.0 0.125 105.9 2063.0 0.114 109.9 2064.0 0.102 114.8 2065.0 0.089 121.0 2066.0 0.075 129.6 2067.0 0.061 142.1 2068.0 0.050 161.1 2069.0 0.044 187.9 2070.0 0.048 215.6 2071.0 0.059 236.2 2072.0 0.072 249.8 2073.0 0.086 259.0 2074.0 0.099 265.8