| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:55:44 |
| WDS: | COU1569 | WDS ID/Discoverer |
| P: | 117.000 | Orbital period (years) |
| a: | 0.237 | Semi-major axis (arcseconds) |
| i: | 69.3 | Inclination (degrees) |
| Ω: | 60.7 | Longitude of ascending node (degrees) |
| T: | 1997.780 | Epoch of periastron passage (year) |
| e: | 0.494 | Eccentricity |
| ω: | 140.1 | Longitude of periastron (degrees) |
| Start-Year: | 1967.0 | Year |
| End-Year: | 2083.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 100552.72+341204.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 10059+3412 | WDS designation |
| Discoverer Code: | COU1569 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 87473 | HD catalog number |
| Hipparcos number: | 49461 | Hipparcos catalog number |
| V1: | 8.8 | Magnitude of the primary |
| V2: | 8.8 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2004 | Date of last observation |
| Orbit grade: | 5 | 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 0.102 347.2 ------------------------- 1967.0 0.294 59.9 1968.0 0.290 60.5 1969.0 0.285 61.1 1970.0 0.280 61.8 1971.0 0.274 62.5 1972.0 0.268 63.2 1973.0 0.262 64.0 1974.0 0.255 64.8 1975.0 0.247 65.6 1976.0 0.239 66.5 1977.0 0.231 67.5 1978.0 0.221 68.5 1979.0 0.212 69.7 1980.0 0.201 70.9 1981.0 0.190 72.3 1982.0 0.179 73.8 1983.0 0.167 75.6 1984.0 0.154 77.7 1985.0 0.141 80.1 1986.0 0.127 83.1 1987.0 0.113 86.8 1988.0 0.098 91.6 1989.0 0.084 98.1 1990.0 0.070 107.1 1991.0 0.058 120.1 1992.0 0.050 138.5 1993.0 0.048 161.1 1994.0 0.052 182.7 1995.0 0.062 199.3 1996.0 0.074 210.9 1997.0 0.086 219.2 1998.0 0.098 225.5 1999.0 0.109 230.4 2000.0 0.118 234.5 2001.0 0.126 238.1 2002.0 0.131 241.3 2003.0 0.134 244.3 2004.0 0.136 247.2 2005.0 0.136 250.1 2006.0 0.135 253.0 2007.0 0.133 255.9 2008.0 0.130 259.0 2009.0 0.126 262.2 2010.0 0.122 265.7 2011.0 0.118 269.3 2012.0 0.114 273.3 2013.0 0.109 277.6 2014.0 0.105 282.2 2015.0 0.101 287.3 2016.0 0.097 292.7 2017.0 0.095 298.5 2018.0 0.092 304.5 2019.0 0.091 310.9 2020.0 0.091 317.3 2021.0 0.091 323.8 2022.0 0.093 330.1 2023.0 0.095 336.1 2024.0 0.098 341.9 2025.0 0.102 347.2 2026.0 0.106 352.1 2027.0 0.111 356.6 2028.0 0.117 0.7 2029.0 0.123 4.4 2030.0 0.129 7.8 2031.0 0.135 10.8 2032.0 0.142 13.6 2033.0 0.148 16.2 2034.0 0.155 18.5 2035.0 0.162 20.6 2036.0 0.168 22.6 2037.0 0.175 24.4 2038.0 0.182 26.0 2039.0 0.188 27.6 2040.0 0.195 29.0 2041.0 0.201 30.4 2042.0 0.208 31.6 2043.0 0.214 32.8 2044.0 0.220 34.0 2045.0 0.226 35.0 2046.0 0.232 36.0 2047.0 0.238 37.0 2048.0 0.244 37.9 2049.0 0.249 38.8 2050.0 0.254 39.6 2051.0 0.259 40.4 2052.0 0.264 41.2 2053.0 0.269 42.0 2054.0 0.274 42.7 2055.0 0.278 43.4 2056.0 0.282 44.0 2057.0 0.286 44.7 2058.0 0.290 45.3 2059.0 0.293 46.0 2060.0 0.297 46.6 2061.0 0.300 47.2 2062.0 0.303 47.8 2063.0 0.305 48.3 2064.0 0.307 48.9 2065.0 0.310 49.5 2066.0 0.311 50.0 2067.0 0.313 50.6 2068.0 0.314 51.1 2069.0 0.315 51.6 2070.0 0.316 52.2 2071.0 0.317 52.7 2072.0 0.317 53.2 2073.0 0.317 53.8 2074.0 0.317 54.3 2075.0 0.316 54.8 2076.0 0.315 55.4 2077.0 0.313 55.9 2078.0 0.312 56.4 2079.0 0.310 57.0 2080.0 0.307 57.5 2081.0 0.305 58.1 2082.0 0.302 58.7