| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:55:52 |
| WDS: | HDS1457AB | WDS ID/Discoverer |
| P: | 203.000 | Orbital period (years) |
| a: | 0.684 | Semi-major axis (arcseconds) |
| i: | 126.2 | Inclination (degrees) |
| Ω: | 109.1 | Longitude of ascending node (degrees) |
| T: | 1989.200 | Epoch of periastron passage (year) |
| e: | 0.649 | Eccentricity |
| ω: | 298.9 | Longitude of periastron (degrees) |
| Start-Year: | 1924.0 | Year |
| End-Year: | 2126.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 100640.82+175342.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 10067+1754 | WDS designation |
| Discoverer Code: | HDS1457AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 87646 | HD catalog number |
| Hipparcos number: | 49522 | Hipparcos catalog number |
| V1: | 8.29 | Magnitude of the primary |
| V2: | 10.95 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 5 | 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 0.472 41.0 ------------------------- 1924.0 0.861 317.0 1925.0 0.861 316.5 1926.0 0.859 316.0 1927.0 0.858 315.5 1928.0 0.856 315.0 1929.0 0.855 314.5 1930.0 0.853 314.0 1931.0 0.851 313.4 1932.0 0.848 312.9 1933.0 0.846 312.4 1934.0 0.843 311.9 1935.0 0.840 311.4 1936.0 0.837 310.8 1937.0 0.833 310.3 1938.0 0.830 309.8 1939.0 0.826 309.2 1940.0 0.821 308.7 1941.0 0.817 308.1 1942.0 0.812 307.5 1943.0 0.807 307.0 1944.0 0.802 306.4 1945.0 0.796 305.8 1946.0 0.790 305.2 1947.0 0.784 304.6 1948.0 0.777 304.0 1949.0 0.770 303.4 1950.0 0.763 302.8 1951.0 0.755 302.1 1952.0 0.747 301.4 1953.0 0.739 300.8 1954.0 0.730 300.1 1955.0 0.721 299.4 1956.0 0.711 298.6 1957.0 0.701 297.9 1958.0 0.691 297.1 1959.0 0.680 296.3 1960.0 0.668 295.5 1961.0 0.656 294.7 1962.0 0.644 293.8 1963.0 0.630 292.9 1964.0 0.617 291.9 1965.0 0.602 290.9 1966.0 0.587 289.8 1967.0 0.572 288.7 1968.0 0.555 287.6 1969.0 0.538 286.3 1970.0 0.520 285.0 1971.0 0.501 283.6 1972.0 0.482 282.0 1973.0 0.461 280.3 1974.0 0.440 278.5 1975.0 0.418 276.5 1976.0 0.394 274.2 1977.0 0.370 271.7 1978.0 0.345 268.7 1979.0 0.319 265.3 1980.0 0.292 261.3 1981.0 0.265 256.5 1982.0 0.238 250.6 1983.0 0.211 243.1 1984.0 0.187 233.7 1985.0 0.166 221.6 1986.0 0.153 206.8 1987.0 0.148 190.1 1988.0 0.153 173.4 1989.0 0.166 158.7 1990.0 0.186 146.6 1991.0 0.207 136.8 1992.0 0.229 129.0 1993.0 0.251 122.5 1994.0 0.271 117.1 1995.0 0.289 112.3 1996.0 0.305 108.1 1997.0 0.320 104.3 1998.0 0.333 100.8 1999.0 0.344 97.5 2000.0 0.354 94.4 2001.0 0.363 91.5 2002.0 0.371 88.8 2003.0 0.378 86.1 2004.0 0.385 83.6 2005.0 0.391 81.1 2006.0 0.396 78.7 2007.0 0.401 76.3 2008.0 0.406 74.0 2009.0 0.410 71.8 2010.0 0.415 69.6 2011.0 0.419 67.5 2012.0 0.422 65.4 2013.0 0.426 63.3 2014.0 0.430 61.3 2015.0 0.434 59.3 2016.0 0.437 57.3 2017.0 0.441 55.4 2018.0 0.445 53.5 2019.0 0.448 51.6 2020.0 0.452 49.7 2021.0 0.456 47.9 2022.0 0.460 46.2 2023.0 0.464 44.4 2024.0 0.468 42.7 2025.0 0.472 41.0 2026.0 0.476 39.3 2027.0 0.480 37.7 2028.0 0.484 36.1 2029.0 0.489 34.5 2030.0 0.493 33.0 2031.0 0.498 31.5 2032.0 0.502 30.0 2033.0 0.507 28.5 2034.0 0.512 27.1 2035.0 0.517 25.7 2036.0 0.522 24.3 2037.0 0.527 22.9 2038.0 0.532 21.6 2039.0 0.537 20.3 2040.0 0.542 19.0 2041.0 0.547 17.8 2042.0 0.552 16.5 2043.0 0.558 15.3 2044.0 0.563 14.1 2045.0 0.568 13.0 2046.0 0.574 11.8 2047.0 0.579 10.7 2048.0 0.584 9.6 2049.0 0.590 8.5 2050.0 0.595 7.4 2051.0 0.601 6.4 2052.0 0.606 5.4 2053.0 0.612 4.4 2054.0 0.617 3.4 2055.0 0.623 2.4 2056.0 0.628 1.5 2057.0 0.634 0.5 2058.0 0.639 359.6 2059.0 0.645 358.7 2060.0 0.650 357.8 2061.0 0.656 356.9 2062.0 0.661 356.1 2063.0 0.667 355.2 2064.0 0.672 354.4 2065.0 0.678 353.6 2066.0 0.683 352.8 2067.0 0.688 352.0 2068.0 0.693 351.2 2069.0 0.699 350.4 2070.0 0.704 349.7 2071.0 0.709 348.9 2072.0 0.714 348.2 2073.0 0.719 347.5 2074.0 0.724 346.8 2075.0 0.729 346.1 2076.0 0.734 345.4 2077.0 0.739 344.7 2078.0 0.744 344.0 2079.0 0.748 343.3 2080.0 0.753 342.7 2081.0 0.758 342.0 2082.0 0.762 341.4 2083.0 0.767 340.7 2084.0 0.771 340.1 2085.0 0.775 339.5 2086.0 0.779 338.8 2087.0 0.784 338.2 2088.0 0.788 337.6 2089.0 0.792 337.0 2090.0 0.796 336.4 2091.0 0.799 335.9 2092.0 0.803 335.3 2093.0 0.807 334.7 2094.0 0.810 334.1 2095.0 0.814 333.6 2096.0 0.817 333.0 2097.0 0.820 332.5 2098.0 0.824 331.9 2099.0 0.827 331.4 2100.0 0.830 330.8 2101.0 0.832 330.3 2102.0 0.835 329.7 2103.0 0.838 329.2 2104.0 0.840 328.7 2105.0 0.843 328.1 2106.0 0.845 327.6 2107.0 0.847 327.1 2108.0 0.849 326.6 2109.0 0.851 326.1 2110.0 0.853 325.6 2111.0 0.855 325.0 2112.0 0.856 324.5 2113.0 0.858 324.0 2114.0 0.859 323.5 2115.0 0.860 323.0 2116.0 0.861 322.5 2117.0 0.862 322.0 2118.0 0.862 321.5 2119.0 0.863 321.0 2120.0 0.863 320.5 2121.0 0.864 320.0 2122.0 0.864 319.5 2123.0 0.864 319.0 2124.0 0.863 318.5 2125.0 0.863 318.0