| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:30:30 |
| WDS: | A1226 | WDS ID/Discoverer |
| P: | 124.200 | Orbital period (years) |
| a: | 0.325 | Semi-major axis (arcseconds) |
| i: | 105.6 | Inclination (degrees) |
| Ω: | 116.5 | Longitude of ascending node (degrees) |
| T: | 1963.490 | Epoch of periastron passage (year) |
| e: | 0.871 | Eccentricity |
| ω: | 281.0 | Longitude of periastron (degrees) |
| Start-Year: | 1963.0 | Year |
| End-Year: | 2087.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 215717.70+324032.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21573+3241 | WDS designation |
| Discoverer Code: | A1226 | Discover designation and components |
| ADS number: | 15487 | Aitken Double Star catalog |
| HD number: | 208687 | HD catalog number |
| Hipparcos number: | 108373 | Hipparcos catalog number |
| V1: | 9.29 | Magnitude of the primary |
| V2: | 9.90 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2017 | 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 0.197 351.3 ------------------------- 1963.0 0.025 269.6 1964.0 0.038 128.7 1965.0 0.073 114.8 1966.0 0.092 108.9 1967.0 0.104 104.7 1968.0 0.112 101.3 1969.0 0.118 98.3 1970.0 0.122 95.5 1971.0 0.125 92.8 1972.0 0.127 90.3 1973.0 0.129 87.8 1974.0 0.130 85.4 1975.0 0.131 83.0 1976.0 0.132 80.7 1977.0 0.132 78.3 1978.0 0.132 76.0 1979.0 0.132 73.7 1980.0 0.132 71.4 1981.0 0.133 69.1 1982.0 0.133 66.8 1983.0 0.133 64.5 1984.0 0.133 62.2 1985.0 0.133 59.9 1986.0 0.133 57.6 1987.0 0.133 55.3 1988.0 0.134 53.1 1989.0 0.134 50.8 1990.0 0.135 48.6 1991.0 0.135 46.4 1992.0 0.136 44.2 1993.0 0.137 42.0 1994.0 0.138 39.8 1995.0 0.138 37.7 1996.0 0.140 35.6 1997.0 0.141 33.6 1998.0 0.142 31.5 1999.0 0.143 29.5 2000.0 0.145 27.6 2001.0 0.146 25.7 2002.0 0.148 23.8 2003.0 0.149 22.0 2004.0 0.151 20.2 2005.0 0.153 18.4 2006.0 0.155 16.7 2007.0 0.157 15.0 2008.0 0.159 13.4 2009.0 0.161 11.8 2010.0 0.163 10.3 2011.0 0.165 8.8 2012.0 0.167 7.3 2013.0 0.169 5.9 2014.0 0.171 4.5 2015.0 0.174 3.1 2016.0 0.176 1.8 2017.0 0.178 0.5 2018.0 0.180 359.2 2019.0 0.183 358.0 2020.0 0.185 356.8 2021.0 0.187 355.6 2022.0 0.190 354.5 2023.0 0.192 353.4 2024.0 0.194 352.3 2025.0 0.197 351.3 2026.0 0.199 350.2 2027.0 0.201 349.2 2028.0 0.204 348.2 2029.0 0.206 347.3 2030.0 0.208 346.3 2031.0 0.210 345.4 2032.0 0.212 344.5 2033.0 0.215 343.6 2034.0 0.217 342.7 2035.0 0.219 341.9 2036.0 0.221 341.0 2037.0 0.223 340.2 2038.0 0.225 339.4 2039.0 0.227 338.6 2040.0 0.228 337.8 2041.0 0.230 337.1 2042.0 0.232 336.3 2043.0 0.233 335.5 2044.0 0.235 334.8 2045.0 0.237 334.1 2046.0 0.238 333.4 2047.0 0.239 332.7 2048.0 0.241 332.0 2049.0 0.242 331.3 2050.0 0.243 330.6 2051.0 0.244 329.9 2052.0 0.245 329.2 2053.0 0.245 328.5 2054.0 0.246 327.9 2055.0 0.247 327.2 2056.0 0.247 326.5 2057.0 0.247 325.9 2058.0 0.247 325.2 2059.0 0.247 324.6 2060.0 0.247 323.9 2061.0 0.247 323.2 2062.0 0.246 322.6 2063.0 0.246 321.9 2064.0 0.245 321.2 2065.0 0.244 320.5 2066.0 0.242 319.9 2067.0 0.241 319.2 2068.0 0.239 318.5 2069.0 0.237 317.8 2070.0 0.234 317.0 2071.0 0.231 316.3 2072.0 0.228 315.5 2073.0 0.224 314.7 2074.0 0.220 313.9 2075.0 0.216 313.1 2076.0 0.210 312.2 2077.0 0.205 311.2 2078.0 0.198 310.2 2079.0 0.190 309.1 2080.0 0.181 308.0 2081.0 0.171 306.7 2082.0 0.159 305.2 2083.0 0.145 303.5 2084.0 0.128 301.3 2085.0 0.106 298.3 2086.0 0.077 293.5