| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:01:45 |
| WDS: | COU1422BA,BB | WDS ID/Discoverer |
| P: | 173.000 | Orbital period (years) |
| a: | 0.56 | Semi-major axis (arcseconds) |
| i: | 39.5 | Inclination (degrees) |
| Ω: | 74.0 | Longitude of ascending node (degrees) |
| T: | 1958.000 | Epoch of periastron passage (year) |
| e: | 0.35 | Eccentricity |
| ω: | 180.0 | Longitude of periastron (degrees) |
| Start-Year: | 1939.0 | Year |
| End-Year: | 2111.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 110148.52+364114.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11017+3641 | WDS designation |
| Discoverer Code: | COU1422BA,BB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 11.2 | Magnitude of the primary |
| V2: | 11.5 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | 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 0.709 57.2 ------------------------- 1939.0 0.356 183.0 1940.0 0.353 186.7 1941.0 0.351 190.5 1942.0 0.350 194.3 1943.0 0.349 198.2 1944.0 0.349 202.1 1945.0 0.349 206.0 1946.0 0.350 209.8 1947.0 0.351 213.7 1948.0 0.352 217.5 1949.0 0.354 221.3 1950.0 0.355 225.0 1951.0 0.357 228.7 1952.0 0.359 232.4 1953.0 0.360 236.1 1954.0 0.361 239.7 1955.0 0.363 243.3 1956.0 0.363 246.9 1957.0 0.364 250.4 1958.0 0.364 254.0 1959.0 0.364 257.6 1960.0 0.363 261.1 1961.0 0.363 264.7 1962.0 0.361 268.3 1963.0 0.360 271.9 1964.0 0.359 275.6 1965.0 0.357 279.3 1966.0 0.355 283.0 1967.0 0.354 286.7 1968.0 0.352 290.5 1969.0 0.351 294.3 1970.0 0.350 298.2 1971.0 0.349 302.0 1972.0 0.349 305.9 1973.0 0.349 309.8 1974.0 0.350 313.7 1975.0 0.351 317.5 1976.0 0.353 321.3 1977.0 0.356 325.0 1978.0 0.359 328.7 1979.0 0.362 332.4 1980.0 0.367 335.9 1981.0 0.372 339.4 1982.0 0.377 342.8 1983.0 0.383 346.0 1984.0 0.389 349.2 1985.0 0.396 352.2 1986.0 0.403 355.2 1987.0 0.411 358.0 1988.0 0.419 0.8 1989.0 0.427 3.4 1990.0 0.436 6.0 1991.0 0.444 8.4 1992.0 0.453 10.7 1993.0 0.462 13.0 1994.0 0.471 15.2 1995.0 0.480 17.2 1996.0 0.490 19.2 1997.0 0.499 21.2 1998.0 0.508 23.0 1999.0 0.517 24.8 2000.0 0.527 26.6 2001.0 0.536 28.2 2002.0 0.545 29.8 2003.0 0.554 31.4 2004.0 0.563 32.9 2005.0 0.571 34.4 2006.0 0.580 35.8 2007.0 0.588 37.2 2008.0 0.597 38.5 2009.0 0.605 39.8 2010.0 0.613 41.1 2011.0 0.621 42.4 2012.0 0.628 43.6 2013.0 0.636 44.7 2014.0 0.643 45.9 2015.0 0.650 47.0 2016.0 0.657 48.1 2017.0 0.664 49.2 2018.0 0.670 50.3 2019.0 0.676 51.3 2020.0 0.682 52.3 2021.0 0.688 53.3 2022.0 0.694 54.3 2023.0 0.699 55.3 2024.0 0.704 56.3 2025.0 0.709 57.2 2026.0 0.714 58.1 2027.0 0.718 59.1 2028.0 0.722 60.0 2029.0 0.726 60.9 2030.0 0.730 61.7 2031.0 0.733 62.6 2032.0 0.737 63.5 2033.0 0.740 64.4 2034.0 0.742 65.2 2035.0 0.745 66.1 2036.0 0.747 66.9 2037.0 0.749 67.8 2038.0 0.751 68.6 2039.0 0.752 69.4 2040.0 0.753 70.3 2041.0 0.754 71.1 2042.0 0.755 71.9 2043.0 0.756 72.8 2044.0 0.756 73.6 2045.0 0.756 74.4 2046.0 0.756 75.2 2047.0 0.755 76.1 2048.0 0.754 76.9 2049.0 0.753 77.7 2050.0 0.752 78.6 2051.0 0.751 79.4 2052.0 0.749 80.2 2053.0 0.747 81.1 2054.0 0.745 81.9 2055.0 0.742 82.8 2056.0 0.740 83.6 2057.0 0.737 84.5 2058.0 0.733 85.4 2059.0 0.730 86.3 2060.0 0.726 87.1 2061.0 0.722 88.0 2062.0 0.718 88.9 2063.0 0.714 89.9 2064.0 0.709 90.8 2065.0 0.704 91.7 2066.0 0.699 92.7 2067.0 0.694 93.7 2068.0 0.688 94.7 2069.0 0.682 95.7 2070.0 0.676 96.7 2071.0 0.670 97.7 2072.0 0.664 98.8 2073.0 0.657 99.9 2074.0 0.650 101.0 2075.0 0.643 102.1 2076.0 0.636 103.3 2077.0 0.628 104.4 2078.0 0.621 105.6 2079.0 0.613 106.9 2080.0 0.605 108.2 2081.0 0.597 109.5 2082.0 0.588 110.8 2083.0 0.580 112.2 2084.0 0.571 113.6 2085.0 0.563 115.1 2086.0 0.554 116.6 2087.0 0.545 118.2 2088.0 0.536 119.8 2089.0 0.527 121.4 2090.0 0.517 123.2 2091.0 0.508 125.0 2092.0 0.499 126.8 2093.0 0.490 128.8 2094.0 0.480 130.8 2095.0 0.471 132.8 2096.0 0.462 135.0 2097.0 0.453 137.3 2098.0 0.444 139.6 2099.0 0.436 142.0 2100.0 0.427 144.6 2101.0 0.419 147.2 2102.0 0.411 150.0 2103.0 0.403 152.8 2104.0 0.396 155.8 2105.0 0.389 158.8 2106.0 0.383 162.0 2107.0 0.377 165.2 2108.0 0.372 168.6 2109.0 0.367 172.1 2110.0 0.362 175.6