| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:30:07 |
| WDS: | A2833 | WDS ID/Discoverer |
| P: | 209.090 | Orbital period (years) |
| a: | 0.429 | Semi-major axis (arcseconds) |
| i: | 43.1 | Inclination (degrees) |
| Ω: | 107.2 | Longitude of ascending node (degrees) |
| T: | 1987.130 | Epoch of periastron passage (year) |
| e: | 0.927 | Eccentricity |
| ω: | 240.7 | Longitude of periastron (degrees) |
| Start-Year: | 1921.0 | Year |
| End-Year: | 2129.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 065456.96+115756.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 06549+1158 | WDS designation |
| Discoverer Code: | A2833 | Discover designation and components |
| ADS number: | 5571 | Aitken Double Star catalog |
| HD number: | 50722 | HD catalog number |
| Hipparcos number: | 33240 | Hipparcos catalog number |
| V1: | 8.29 | Magnitude of the primary |
| V2: | 9.21 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | 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 0.513 144.5 ------------------------- 1921.0 0.583 168.0 1922.0 0.580 168.3 1923.0 0.576 168.5 1924.0 0.572 168.8 1925.0 0.568 169.1 1926.0 0.564 169.3 1927.0 0.560 169.6 1928.0 0.556 169.9 1929.0 0.551 170.2 1930.0 0.547 170.4 1931.0 0.543 170.7 1932.0 0.538 171.0 1933.0 0.533 171.3 1934.0 0.529 171.6 1935.0 0.524 172.0 1936.0 0.519 172.3 1937.0 0.514 172.6 1938.0 0.508 172.9 1939.0 0.503 173.3 1940.0 0.498 173.6 1941.0 0.492 174.0 1942.0 0.487 174.3 1943.0 0.481 174.7 1944.0 0.475 175.1 1945.0 0.469 175.5 1946.0 0.463 175.9 1947.0 0.457 176.3 1948.0 0.451 176.7 1949.0 0.444 177.1 1950.0 0.438 177.6 1951.0 0.431 178.0 1952.0 0.424 178.5 1953.0 0.417 179.0 1954.0 0.410 179.5 1955.0 0.403 180.0 1956.0 0.396 180.6 1957.0 0.388 181.2 1958.0 0.380 181.7 1959.0 0.373 182.4 1960.0 0.365 183.0 1961.0 0.356 183.7 1962.0 0.348 184.4 1963.0 0.340 185.1 1964.0 0.331 185.9 1965.0 0.322 186.7 1966.0 0.313 187.5 1967.0 0.303 188.5 1968.0 0.294 189.4 1969.0 0.284 190.5 1970.0 0.274 191.6 1971.0 0.264 192.8 1972.0 0.253 194.1 1973.0 0.242 195.5 1974.0 0.231 197.1 1975.0 0.219 198.8 1976.0 0.208 200.7 1977.0 0.195 202.8 1978.0 0.183 205.2 1979.0 0.169 208.0 1980.0 0.156 211.3 1981.0 0.141 215.3 1982.0 0.126 220.1 1983.0 0.111 226.3 1984.0 0.094 234.6 1985.0 0.076 246.8 1986.0 0.055 267.5 1987.0 0.028 323.5 1988.0 0.043 72.5 1989.0 0.080 97.2 1990.0 0.110 107.1 1991.0 0.136 112.8 1992.0 0.159 116.8 1993.0 0.180 119.9 1994.0 0.199 122.3 1995.0 0.217 124.3 1996.0 0.234 126.0 1997.0 0.249 127.5 1998.0 0.264 128.8 1999.0 0.279 130.0 2000.0 0.292 131.0 2001.0 0.305 132.0 2002.0 0.317 132.9 2003.0 0.329 133.7 2004.0 0.341 134.5 2005.0 0.352 135.2 2006.0 0.362 135.9 2007.0 0.373 136.6 2008.0 0.383 137.2 2009.0 0.392 137.8 2010.0 0.401 138.3 2011.0 0.410 138.8 2012.0 0.419 139.3 2013.0 0.428 139.8 2014.0 0.436 140.3 2015.0 0.444 140.7 2016.0 0.452 141.2 2017.0 0.459 141.6 2018.0 0.467 142.0 2019.0 0.474 142.4 2020.0 0.481 142.8 2021.0 0.487 143.1 2022.0 0.494 143.5 2023.0 0.500 143.8 2024.0 0.507 144.2 2025.0 0.513 144.5 2026.0 0.519 144.8 2027.0 0.524 145.2 2028.0 0.530 145.5 2029.0 0.535 145.8 2030.0 0.541 146.1 2031.0 0.546 146.4 2032.0 0.551 146.7 2033.0 0.556 147.0 2034.0 0.560 147.2 2035.0 0.565 147.5 2036.0 0.570 147.8 2037.0 0.574 148.0 2038.0 0.578 148.3 2039.0 0.582 148.6 2040.0 0.586 148.8 2041.0 0.590 149.1 2042.0 0.594 149.3 2043.0 0.598 149.6 2044.0 0.601 149.8 2045.0 0.605 150.0 2046.0 0.608 150.3 2047.0 0.611 150.5 2048.0 0.614 150.7 2049.0 0.617 151.0 2050.0 0.620 151.2 2051.0 0.623 151.4 2052.0 0.626 151.6 2053.0 0.628 151.9 2054.0 0.631 152.1 2055.0 0.633 152.3 2056.0 0.636 152.5 2057.0 0.638 152.7 2058.0 0.640 152.9 2059.0 0.642 153.1 2060.0 0.644 153.4 2061.0 0.646 153.6 2062.0 0.648 153.8 2063.0 0.650 154.0 2064.0 0.651 154.2 2065.0 0.653 154.4 2066.0 0.654 154.6 2067.0 0.656 154.8 2068.0 0.657 155.0 2069.0 0.658 155.2 2070.0 0.659 155.4 2071.0 0.660 155.6 2072.0 0.661 155.8 2073.0 0.662 156.0 2074.0 0.663 156.2 2075.0 0.664 156.4 2076.0 0.664 156.6 2077.0 0.665 156.8 2078.0 0.665 157.0 2079.0 0.666 157.2 2080.0 0.666 157.4 2081.0 0.666 157.6 2082.0 0.666 157.8 2083.0 0.666 158.0 2084.0 0.666 158.2 2085.0 0.666 158.3 2086.0 0.666 158.5 2087.0 0.666 158.7 2088.0 0.666 158.9 2089.0 0.665 159.1 2090.0 0.665 159.3 2091.0 0.664 159.5 2092.0 0.664 159.7 2093.0 0.663 159.9 2094.0 0.662 160.1 2095.0 0.661 160.3 2096.0 0.660 160.5 2097.0 0.660 160.7 2098.0 0.658 160.9 2099.0 0.657 161.1 2100.0 0.656 161.3 2101.0 0.655 161.5 2102.0 0.653 161.7 2103.0 0.652 161.9 2104.0 0.650 162.1 2105.0 0.649 162.3 2106.0 0.647 162.5 2107.0 0.645 162.7 2108.0 0.644 163.0 2109.0 0.642 163.2 2110.0 0.640 163.4 2111.0 0.638 163.6 2112.0 0.636 163.8 2113.0 0.633 164.0 2114.0 0.631 164.2 2115.0 0.629 164.5 2116.0 0.626 164.7 2117.0 0.624 164.9 2118.0 0.621 165.1 2119.0 0.618 165.3 2120.0 0.616 165.6 2121.0 0.613 165.8 2122.0 0.610 166.0 2123.0 0.607 166.3 2124.0 0.604 166.5 2125.0 0.601 166.7 2126.0 0.597 167.0 2127.0 0.594 167.2 2128.0 0.591 167.5