| WDS: | COU247 | WDS ID/Discoverer |
| P: | 159.510 | Orbital period (years) |
| a: | 0.543 | Semi-major axis (arcseconds) |
| i: | 137.0 | Inclination (degrees) |
| Ω: | 21.1 | Longitude of ascending node (degrees) |
| T: | 2005.800 | Epoch of periastron passage (year) |
| e: | 0.309 | Eccentricity |
| ω: | 103.4 | Longitude of periastron (degrees) |
| Start-Year: | 1945.245 | Year |
| End-Year: | 2104.755 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for COU247 |
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| Position: | 000928.15+190656.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00095+1907 | WDS designation |
| Discoverer Code: | COU247 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 489 | HD catalog number |
| Hipparcos number: | 768 | Hipparcos catalog number |
| V1: | 8.29 | Magnitude of the primary |
| V2: | 9.98 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2010 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Doc2012i | 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 0.465 198.88 -------------------------- 1945.24 0.576 64.10 1946.24 0.578 62.71 1947.24 0.580 61.33 1948.24 0.581 59.96 1949.24 0.583 58.59 1950.24 0.584 57.23 1951.24 0.585 55.87 1952.24 0.586 54.53 1953.24 0.587 53.18 1954.24 0.587 51.84 1955.24 0.588 50.50 1956.24 0.588 49.16 1957.24 0.588 47.82 1958.24 0.587 46.48 1959.24 0.587 45.13 1960.24 0.586 43.79 1961.24 0.585 42.44 1962.24 0.583 41.08 1963.24 0.582 39.72 1964.24 0.580 38.35 1965.24 0.577 36.96 1966.24 0.575 35.57 1967.24 0.572 34.16 1968.24 0.568 32.73 1969.24 0.564 31.29 1970.24 0.560 29.83 1971.24 0.556 28.34 1972.24 0.551 26.83 1973.24 0.545 25.28 1974.24 0.539 23.71 1975.24 0.533 22.10 1976.24 0.526 20.45 1977.24 0.519 18.76 1978.24 0.512 17.02 1979.24 0.504 15.22 1980.24 0.495 13.36 1981.24 0.486 11.44 1982.24 0.477 9.44 1983.24 0.467 7.36 1984.24 0.456 5.19 1985.24 0.446 2.91 1986.24 0.435 0.53 1987.24 0.423 358.01 1988.24 0.412 355.36 1989.24 0.400 352.55 1990.24 0.388 349.56 1991.24 0.376 346.38 1992.24 0.364 342.99 1993.24 0.352 339.37 1994.24 0.340 335.50 1995.24 0.329 331.35 1996.24 0.318 326.92 1997.24 0.308 322.19 1998.24 0.299 317.16 1999.24 0.291 311.84 2000.24 0.285 306.26 2001.24 0.280 300.46 2002.24 0.277 294.50 2003.24 0.276 288.43 2004.24 0.276 282.36 2005.24 0.279 276.34 2006.24 0.283 270.46 2007.24 0.288 264.78 2008.24 0.295 259.34 2009.24 0.303 254.17 2010.24 0.312 249.28 2011.24 0.322 244.69 2012.24 0.333 240.37 2013.24 0.343 236.31 2014.24 0.354 232.50 2015.24 0.365 228.92 2016.24 0.376 225.55 2017.24 0.386 222.36 2018.24 0.397 219.34 2019.24 0.407 216.47 2020.24 0.416 213.73 2021.24 0.425 211.12 2022.24 0.434 208.61 2023.24 0.442 206.20 2024.24 0.450 203.87 2025.24 0.457 201.61 2026.24 0.463 199.43 2027.24 0.470 197.30 2028.24 0.475 195.22 2029.24 0.480 193.20 2030.24 0.485 191.21 2031.24 0.489 189.26 2032.24 0.493 187.34 2033.24 0.496 185.45 2034.24 0.500 183.58 2035.24 0.502 181.74 2036.24 0.505 179.91 2037.24 0.507 178.10 2038.24 0.508 176.30 2039.24 0.510 174.52 2040.24 0.511 172.74 2041.24 0.512 170.97 2042.24 0.512 169.20 2043.24 0.513 167.44 2044.24 0.513 165.69 2045.24 0.513 163.93 2046.24 0.514 162.17 2047.24 0.513 160.42 2048.24 0.513 158.66 2049.24 0.513 156.90 2050.24 0.513 155.14 2051.24 0.512 153.38 2052.24 0.512 151.61 2053.24 0.511 149.85 2054.24 0.511 148.07 2055.24 0.510 146.30 2056.24 0.510 144.52 2057.24 0.509 142.73 2058.24 0.509 140.95 2059.24 0.508 139.16 2060.24 0.508 137.36 2061.24 0.508 135.57 2062.24 0.508 133.78 2063.24 0.507 131.98 2064.24 0.507 130.18 2065.24 0.507 128.38 2066.24 0.508 126.59 2067.24 0.508 124.79 2068.24 0.508 123.00 2069.24 0.509 121.21 2070.24 0.509 119.42 2071.24 0.510 117.64 2072.24 0.511 115.86 2073.24 0.512 114.09 2074.24 0.513 112.33 2075.24 0.514 110.57 2076.24 0.515 108.82 2077.24 0.517 107.09 2078.24 0.518 105.36 2079.24 0.520 103.64 2080.24 0.521 101.93 2081.24 0.523 100.23 2082.24 0.525 98.55 2083.24 0.527 96.87 2084.24 0.529 95.21 2085.24 0.531 93.57 2086.24 0.533 91.93 2087.24 0.536 90.31 2088.24 0.538 88.70 2089.24 0.540 87.11 2090.24 0.543 85.53 2091.24 0.545 83.97 2092.24 0.548 82.42 2093.24 0.550 80.88 2094.24 0.552 79.36 2095.24 0.555 77.85 2096.24 0.557 76.35 2097.24 0.560 74.87 2098.24 0.562 73.40 2099.24 0.564 71.94 2100.24 0.567 70.49 2101.24 0.569 69.05 2102.24 0.571 67.63 2103.24 0.573 66.22 2104.24 0.575 64.81
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 14:35:53 |