| 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: | 1966.5 | Year |
| End-Year: | 2083.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for COU1569 |
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| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Doc2006i | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.109 354.42 -------------------------- 1966.50 0.296 59.58 1967.50 0.292 60.19 1968.50 0.288 60.82 1969.50 0.283 61.47 1970.50 0.277 62.15 1971.50 0.271 62.86 1972.50 0.265 63.60 1973.50 0.258 64.37 1974.50 0.251 65.19 1975.50 0.243 66.06 1976.50 0.235 66.99 1977.50 0.226 67.99 1978.50 0.217 69.07 1979.50 0.207 70.26 1980.50 0.196 71.57 1981.50 0.185 73.04 1982.50 0.173 74.70 1983.50 0.160 76.62 1984.50 0.147 78.86 1985.50 0.134 81.55 1986.50 0.120 84.86 1987.50 0.105 89.06 1988.50 0.091 94.60 1989.50 0.077 102.19 1990.50 0.064 113.02 1991.50 0.054 128.64 1992.50 0.048 149.58 1993.50 0.049 172.43 1994.50 0.057 191.69 1995.50 0.068 205.62 1996.50 0.080 215.41 1997.50 0.093 222.56 1998.50 0.104 228.06 1999.50 0.114 232.52 2000.50 0.122 236.33 2001.50 0.128 239.70 2002.50 0.133 242.82 2003.50 0.135 245.77 2004.50 0.136 248.65 2005.50 0.136 251.52 2006.50 0.134 254.44 2007.50 0.132 257.45 2008.50 0.128 260.59 2009.50 0.124 263.92 2010.50 0.120 267.47 2011.50 0.116 271.29 2012.50 0.111 275.41 2013.50 0.107 279.87 2014.50 0.103 284.71 2015.50 0.099 289.93 2016.50 0.096 295.52 2017.50 0.093 301.47 2018.50 0.092 307.69 2019.50 0.091 314.09 2020.50 0.091 320.56 2021.50 0.092 326.95 2022.50 0.094 333.16 2023.50 0.096 339.06 2024.50 0.100 344.59 2025.50 0.104 349.72 2026.50 0.109 354.42 2027.50 0.114 358.71 2028.50 0.120 2.61 2029.50 0.126 6.15 2030.50 0.132 9.36 2031.50 0.138 12.27 2032.50 0.145 14.92 2033.50 0.151 17.35 2034.50 0.158 19.56 2035.50 0.165 21.60 2036.50 0.172 23.47 2037.50 0.178 25.21 2038.50 0.185 26.82 2039.50 0.192 28.31 2040.50 0.198 29.71 2041.50 0.205 31.02 2042.50 0.211 32.25 2043.50 0.217 33.41 2044.50 0.223 34.50 2045.50 0.229 35.54 2046.50 0.235 36.52 2047.50 0.241 37.46 2048.50 0.246 38.36 2049.50 0.252 39.21 2050.50 0.257 40.03 2051.50 0.262 40.82 2052.50 0.267 41.58 2053.50 0.271 42.32 2054.50 0.276 43.03 2055.50 0.280 43.71 2056.50 0.284 44.38 2057.50 0.288 45.03 2058.50 0.292 45.66 2059.50 0.295 46.28 2060.50 0.298 46.88 2061.50 0.301 47.47 2062.50 0.304 48.05 2063.50 0.306 48.63 2064.50 0.309 49.19 2065.50 0.311 49.74 2066.50 0.312 50.29 2067.50 0.314 50.83 2068.50 0.315 51.37 2069.50 0.316 51.90 2070.50 0.317 52.43 2071.50 0.317 52.96 2072.50 0.317 53.49 2073.50 0.317 54.02 2074.50 0.316 54.55 2075.50 0.315 55.08 2076.50 0.314 55.62 2077.50 0.313 56.16 2078.50 0.311 56.71 2079.50 0.309 57.26 2080.50 0.306 57.82 2081.50 0.303 58.39 2082.50 0.300 58.98
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:24:04 |