| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:12:45 |
| WDS: | A725 | WDS ID/Discoverer |
| P: | 166.850 | Orbital period (years) |
| a: | 0.715 | Semi-major axis (arcseconds) |
| i: | 65.7 | Inclination (degrees) |
| Ω: | 226.4 | Longitude of ascending node (degrees) |
| T: | 1959.850 | Epoch of periastron passage (year) |
| e: | 0.494 | Eccentricity |
| ω: | 341.4 | Longitude of periastron (degrees) |
| Start-Year: | 1942.0 | Year |
| End-Year: | 2108.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 202057.88+443629.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20210+4437 | WDS designation |
| Discoverer Code: | A725 | Discover designation and components |
| ADS number: | 13744 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 100341 | Hipparcos catalog number |
| V1: | 9.46 | Magnitude of the primary |
| V2: | 10.23 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2006 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.884 30.7 ------------------------- 1942.0 0.303 91.1 1943.0 0.278 95.8 1944.0 0.256 101.3 1945.0 0.235 107.9 1946.0 0.217 115.6 1947.0 0.203 124.6 1948.0 0.193 134.8 1949.0 0.189 145.6 1950.0 0.191 156.6 1951.0 0.199 167.0 1952.0 0.211 176.5 1953.0 0.227 184.8 1954.0 0.245 191.9 1955.0 0.264 198.0 1956.0 0.283 203.3 1957.0 0.302 207.9 1958.0 0.320 211.9 1959.0 0.335 215.6 1960.0 0.348 219.0 1961.0 0.358 222.2 1962.0 0.366 225.2 1963.0 0.371 228.1 1964.0 0.372 230.9 1965.0 0.372 233.8 1966.0 0.368 236.7 1967.0 0.363 239.6 1968.0 0.356 242.7 1969.0 0.347 245.9 1970.0 0.338 249.2 1971.0 0.327 252.8 1972.0 0.316 256.6 1973.0 0.305 260.7 1974.0 0.295 265.1 1975.0 0.285 269.8 1976.0 0.276 274.8 1977.0 0.268 280.2 1978.0 0.262 285.8 1979.0 0.258 291.6 1980.0 0.256 297.6 1981.0 0.256 303.6 1982.0 0.258 309.6 1983.0 0.263 315.4 1984.0 0.270 321.0 1985.0 0.278 326.3 1986.0 0.288 331.2 1987.0 0.300 335.7 1988.0 0.313 339.9 1989.0 0.327 343.8 1990.0 0.342 347.3 1991.0 0.358 350.5 1992.0 0.375 353.5 1993.0 0.391 356.2 1994.0 0.409 358.6 1995.0 0.426 0.9 1996.0 0.444 3.0 1997.0 0.461 4.9 1998.0 0.479 6.7 1999.0 0.497 8.3 2000.0 0.515 9.9 2001.0 0.532 11.3 2002.0 0.550 12.7 2003.0 0.567 13.9 2004.0 0.585 15.1 2005.0 0.602 16.3 2006.0 0.618 17.3 2007.0 0.635 18.3 2008.0 0.651 19.3 2009.0 0.667 20.2 2010.0 0.683 21.0 2011.0 0.699 21.9 2012.0 0.714 22.7 2013.0 0.729 23.4 2014.0 0.744 24.2 2015.0 0.758 24.9 2016.0 0.772 25.5 2017.0 0.786 26.2 2018.0 0.799 26.8 2019.0 0.812 27.4 2020.0 0.825 28.0 2021.0 0.838 28.6 2022.0 0.850 29.1 2023.0 0.861 29.7 2024.0 0.873 30.2 2025.0 0.884 30.7 2026.0 0.895 31.2 2027.0 0.905 31.7 2028.0 0.915 32.2 2029.0 0.925 32.6 2030.0 0.934 33.1 2031.0 0.943 33.5 2032.0 0.951 34.0 2033.0 0.960 34.4 2034.0 0.967 34.8 2035.0 0.975 35.3 2036.0 0.982 35.7 2037.0 0.989 36.1 2038.0 0.995 36.5 2039.0 1.001 36.9 2040.0 1.007 37.3 2041.0 1.012 37.6 2042.0 1.017 38.0 2043.0 1.021 38.4 2044.0 1.025 38.8 2045.0 1.029 39.2 2046.0 1.032 39.5 2047.0 1.035 39.9 2048.0 1.037 40.3 2049.0 1.039 40.6 2050.0 1.041 41.0 2051.0 1.042 41.4 2052.0 1.043 41.7 2053.0 1.043 42.1 2054.0 1.043 42.5 2055.0 1.043 42.8 2056.0 1.042 43.2 2057.0 1.041 43.5 2058.0 1.039 43.9 2059.0 1.037 44.3 2060.0 1.034 44.6 2061.0 1.031 45.0 2062.0 1.028 45.4 2063.0 1.024 45.8 2064.0 1.020 46.1 2065.0 1.015 46.5 2066.0 1.010 46.9 2067.0 1.004 47.3 2068.0 0.998 47.7 2069.0 0.991 48.1 2070.0 0.984 48.5 2071.0 0.976 48.9 2072.0 0.968 49.3 2073.0 0.960 49.7 2074.0 0.951 50.2 2075.0 0.941 50.6 2076.0 0.931 51.1 2077.0 0.920 51.5 2078.0 0.909 52.0 2079.0 0.897 52.5 2080.0 0.885 53.0 2081.0 0.873 53.5 2082.0 0.859 54.0 2083.0 0.846 54.6 2084.0 0.831 55.1 2085.0 0.816 55.7 2086.0 0.801 56.3 2087.0 0.785 56.9 2088.0 0.768 57.6 2089.0 0.751 58.3 2090.0 0.733 59.0 2091.0 0.715 59.7 2092.0 0.696 60.5 2093.0 0.677 61.4 2094.0 0.657 62.3 2095.0 0.636 63.2 2096.0 0.615 64.2 2097.0 0.593 65.3 2098.0 0.570 66.5 2099.0 0.547 67.7 2100.0 0.524 69.1 2101.0 0.500 70.6 2102.0 0.476 72.3 2103.0 0.451 74.1 2104.0 0.426 76.2 2105.0 0.400 78.5 2106.0 0.375 81.1 2107.0 0.349 84.1