| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:19:42 |
| WDS: | COU227 | WDS ID/Discoverer |
| P: | 198.660 | Orbital period (years) |
| a: | 0.669 | Semi-major axis (arcseconds) |
| i: | 52.9 | Inclination (degrees) |
| Ω: | 126.3 | Longitude of ascending node (degrees) |
| T: | 2031.700 | Epoch of periastron passage (year) |
| e: | 0.299 | Eccentricity |
| ω: | 44.5 | Longitude of periastron (degrees) |
| Start-Year: | 1926.0 | Year |
| End-Year: | 2124.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 211128.93+214401.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21115+2144 | WDS designation |
| Discoverer Code: | COU227 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 104612 | Hipparcos catalog number |
| V1: | 10.05 | Magnitude of the primary |
| V2: | 11.77 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2010 | 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 0.458 139.5 ------------------------- 1926.0 0.755 331.5 1927.0 0.750 332.3 1928.0 0.745 333.2 1929.0 0.740 334.0 1930.0 0.734 334.9 1931.0 0.729 335.7 1932.0 0.723 336.6 1933.0 0.717 337.5 1934.0 0.711 338.4 1935.0 0.704 339.4 1936.0 0.698 340.3 1937.0 0.691 341.3 1938.0 0.685 342.3 1939.0 0.678 343.3 1940.0 0.671 344.3 1941.0 0.664 345.4 1942.0 0.657 346.4 1943.0 0.650 347.5 1944.0 0.643 348.6 1945.0 0.636 349.8 1946.0 0.629 350.9 1947.0 0.621 352.1 1948.0 0.614 353.4 1949.0 0.607 354.6 1950.0 0.599 355.9 1951.0 0.592 357.2 1952.0 0.585 358.6 1953.0 0.578 359.9 1954.0 0.570 1.4 1955.0 0.563 2.8 1956.0 0.556 4.3 1957.0 0.550 5.8 1958.0 0.543 7.4 1959.0 0.536 9.0 1960.0 0.530 10.6 1961.0 0.523 12.3 1962.0 0.517 14.1 1963.0 0.511 15.8 1964.0 0.505 17.6 1965.0 0.500 19.5 1966.0 0.495 21.4 1967.0 0.490 23.3 1968.0 0.485 25.3 1969.0 0.480 27.3 1970.0 0.476 29.3 1971.0 0.472 31.4 1972.0 0.469 33.5 1973.0 0.466 35.6 1974.0 0.463 37.8 1975.0 0.461 40.0 1976.0 0.459 42.2 1977.0 0.457 44.4 1978.0 0.456 46.7 1979.0 0.455 48.9 1980.0 0.454 51.2 1981.0 0.454 53.5 1982.0 0.454 55.7 1983.0 0.455 58.0 1984.0 0.455 60.2 1985.0 0.457 62.5 1986.0 0.458 64.7 1987.0 0.460 66.9 1988.0 0.462 69.1 1989.0 0.464 71.3 1990.0 0.467 73.5 1991.0 0.470 75.6 1992.0 0.473 77.7 1993.0 0.476 79.8 1994.0 0.479 81.8 1995.0 0.482 83.8 1996.0 0.486 85.8 1997.0 0.489 87.8 1998.0 0.492 89.7 1999.0 0.496 91.6 2000.0 0.499 93.5 2001.0 0.502 95.4 2002.0 0.505 97.2 2003.0 0.508 99.1 2004.0 0.510 100.9 2005.0 0.513 102.6 2006.0 0.515 104.4 2007.0 0.517 106.2 2008.0 0.518 107.9 2009.0 0.519 109.6 2010.0 0.519 111.4 2011.0 0.519 113.1 2012.0 0.519 114.8 2013.0 0.518 116.6 2014.0 0.516 118.3 2015.0 0.514 120.1 2016.0 0.512 121.9 2017.0 0.508 123.6 2018.0 0.504 125.5 2019.0 0.499 127.3 2020.0 0.494 129.2 2021.0 0.488 131.2 2022.0 0.481 133.1 2023.0 0.474 135.2 2024.0 0.466 137.3 2025.0 0.458 139.5 2026.0 0.448 141.8 2027.0 0.439 144.1 2028.0 0.429 146.6 2029.0 0.418 149.2 2030.0 0.408 152.0 2031.0 0.397 154.8 2032.0 0.386 157.9 2033.0 0.375 161.1 2034.0 0.364 164.6 2035.0 0.353 168.2 2036.0 0.343 172.0 2037.0 0.334 176.1 2038.0 0.325 180.4 2039.0 0.318 184.9 2040.0 0.312 189.6 2041.0 0.307 194.5 2042.0 0.303 199.5 2043.0 0.302 204.6 2044.0 0.302 209.8 2045.0 0.303 214.9 2046.0 0.306 219.9 2047.0 0.311 224.8 2048.0 0.317 229.6 2049.0 0.325 234.1 2050.0 0.334 238.4 2051.0 0.344 242.5 2052.0 0.355 246.3 2053.0 0.367 249.9 2054.0 0.380 253.2 2055.0 0.393 256.3 2056.0 0.406 259.3 2057.0 0.420 262.0 2058.0 0.434 264.6 2059.0 0.448 267.0 2060.0 0.462 269.2 2061.0 0.476 271.3 2062.0 0.491 273.3 2063.0 0.505 275.2 2064.0 0.519 277.0 2065.0 0.532 278.7 2066.0 0.546 280.3 2067.0 0.559 281.8 2068.0 0.572 283.3 2069.0 0.585 284.7 2070.0 0.597 286.0 2071.0 0.609 287.3 2072.0 0.621 288.6 2073.0 0.632 289.7 2074.0 0.644 290.9 2075.0 0.654 292.0 2076.0 0.665 293.1 2077.0 0.675 294.1 2078.0 0.684 295.1 2079.0 0.693 296.1 2080.0 0.702 297.1 2081.0 0.711 298.0 2082.0 0.719 298.9 2083.0 0.727 299.8 2084.0 0.734 300.7 2085.0 0.741 301.5 2086.0 0.747 302.4 2087.0 0.754 303.2 2088.0 0.760 304.0 2089.0 0.765 304.8 2090.0 0.770 305.6 2091.0 0.775 306.4 2092.0 0.779 307.2 2093.0 0.783 307.9 2094.0 0.787 308.7 2095.0 0.791 309.5 2096.0 0.794 310.2 2097.0 0.796 310.9 2098.0 0.799 311.7 2099.0 0.801 312.4 2100.0 0.802 313.1 2101.0 0.804 313.9 2102.0 0.805 314.6 2103.0 0.806 315.3 2104.0 0.806 316.0 2105.0 0.806 316.7 2106.0 0.806 317.4 2107.0 0.806 318.2 2108.0 0.805 318.9 2109.0 0.804 319.6 2110.0 0.803 320.3 2111.0 0.801 321.1 2112.0 0.799 321.8 2113.0 0.797 322.5 2114.0 0.795 323.3 2115.0 0.792 324.0 2116.0 0.789 324.7 2117.0 0.786 325.5 2118.0 0.783 326.3 2119.0 0.779 327.0 2120.0 0.776 327.8 2121.0 0.772 328.6 2122.0 0.767 329.4 2123.0 0.763 330.2