| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:32:44 |
| WDS: | HDS272AB | WDS ID/Discoverer |
| P: | 138.540 | Orbital period (years) |
| a: | 0.97 | Semi-major axis (arcseconds) |
| i: | 111.1 | Inclination (degrees) |
| Ω: | 89.6 | Longitude of ascending node (degrees) |
| T: | 2074.750 | Epoch of periastron passage (year) |
| e: | 0.513 | Eccentricity |
| ω: | 274.2 | Longitude of periastron (degrees) |
| Start-Year: | 1956.0 | Year |
| End-Year: | 2094.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 020211.25-240223.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02022-2402 | WDS designation |
| Discoverer Code: | HDS272AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 12515 | HD catalog number |
| Hipparcos number: | 9497 | Hipparcos catalog number |
| V1: | 8.01 | Magnitude of the primary |
| V2: | 11.70 | 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 0.723 308.6 ------------------------- 1956.0 0.807 79.4 1957.0 0.812 78.3 1958.0 0.816 77.2 1959.0 0.818 76.0 1960.0 0.819 74.9 1961.0 0.819 73.8 1962.0 0.817 72.6 1963.0 0.814 71.5 1964.0 0.810 70.4 1965.0 0.805 69.2 1966.0 0.800 68.0 1967.0 0.793 66.8 1968.0 0.786 65.6 1969.0 0.778 64.4 1970.0 0.770 63.1 1971.0 0.761 61.8 1972.0 0.752 60.5 1973.0 0.742 59.2 1974.0 0.732 57.8 1975.0 0.722 56.4 1976.0 0.712 54.9 1977.0 0.701 53.4 1978.0 0.690 51.8 1979.0 0.679 50.2 1980.0 0.668 48.5 1981.0 0.658 46.8 1982.0 0.647 45.0 1983.0 0.636 43.2 1984.0 0.626 41.3 1985.0 0.616 39.3 1986.0 0.606 37.3 1987.0 0.596 35.2 1988.0 0.587 33.1 1989.0 0.579 30.8 1990.0 0.570 28.6 1991.0 0.563 26.2 1992.0 0.556 23.8 1993.0 0.550 21.3 1994.0 0.544 18.8 1995.0 0.539 16.2 1996.0 0.535 13.6 1997.0 0.532 10.9 1998.0 0.529 8.2 1999.0 0.527 5.5 2000.0 0.527 2.8 2001.0 0.527 0.1 2002.0 0.528 357.4 2003.0 0.530 354.7 2004.0 0.532 352.0 2005.0 0.536 349.3 2006.0 0.540 346.7 2007.0 0.545 344.2 2008.0 0.551 341.6 2009.0 0.558 339.2 2010.0 0.565 336.8 2011.0 0.573 334.4 2012.0 0.581 332.2 2013.0 0.590 330.0 2014.0 0.600 327.8 2015.0 0.610 325.8 2016.0 0.620 323.8 2017.0 0.631 321.8 2018.0 0.642 320.0 2019.0 0.653 318.2 2020.0 0.664 316.4 2021.0 0.676 314.7 2022.0 0.687 313.1 2023.0 0.699 311.5 2024.0 0.711 310.0 2025.0 0.723 308.6 2026.0 0.734 307.1 2027.0 0.746 305.8 2028.0 0.757 304.4 2029.0 0.769 303.1 2030.0 0.780 301.9 2031.0 0.791 300.6 2032.0 0.801 299.4 2033.0 0.811 298.3 2034.0 0.821 297.1 2035.0 0.831 296.0 2036.0 0.840 295.0 2037.0 0.848 293.9 2038.0 0.856 292.9 2039.0 0.863 291.8 2040.0 0.870 290.8 2041.0 0.876 289.8 2042.0 0.881 288.9 2043.0 0.885 287.9 2044.0 0.889 286.9 2045.0 0.891 286.0 2046.0 0.893 285.0 2047.0 0.894 284.1 2048.0 0.893 283.1 2049.0 0.891 282.2 2050.0 0.888 281.2 2051.0 0.883 280.3 2052.0 0.877 279.3 2053.0 0.869 278.3 2054.0 0.860 277.3 2055.0 0.849 276.3 2056.0 0.835 275.2 2057.0 0.820 274.1 2058.0 0.802 272.9 2059.0 0.782 271.7 2060.0 0.759 270.5 2061.0 0.733 269.1 2062.0 0.704 267.6 2063.0 0.672 266.0 2064.0 0.636 264.3 2065.0 0.597 262.3 2066.0 0.555 260.0 2067.0 0.508 257.3 2068.0 0.458 254.1 2069.0 0.405 250.0 2070.0 0.350 244.7 2071.0 0.294 237.3 2072.0 0.240 226.6 2073.0 0.196 210.4 2074.0 0.172 187.5 2075.0 0.177 161.9 2076.0 0.210 141.2 2077.0 0.258 127.2 2078.0 0.312 117.8 2079.0 0.368 111.3 2080.0 0.422 106.4 2081.0 0.472 102.6 2082.0 0.519 99.5 2083.0 0.562 96.9 2084.0 0.601 94.7 2085.0 0.635 92.7 2086.0 0.666 90.9 2087.0 0.694 89.3 2088.0 0.718 87.8 2089.0 0.738 86.4 2090.0 0.756 85.0 2091.0 0.772 83.7 2092.0 0.784 82.5 2093.0 0.795 81.3