| WDS: | STF1536AB | WDS ID/Discoverer |
| P: | 189.561 | Orbital period (years) |
| a: | 1.926 | Semi-major axis (arcseconds) |
| i: | 127.249 | Inclination (degrees) |
| Ω: | 56.178 | Longitude of ascending node (degrees) |
| T: | 1948.860 | Epoch of periastron passage (year) |
| e: | 0.55 | Eccentricity |
| ω: | 145.345 | Longitude of periastron (degrees) |
| Start-Year: | 1930.2195 | Year |
| End-Year: | 2119.7805 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF1536AB |
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| Position: | 112355.37+103146.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11239+1032 | WDS designation |
| Discoverer Code: | STF1536AB | Discover designation and components |
| ADS number: | 8148 | Aitken Double Star catalog |
| HD number: | 99028 | HD catalog number |
| Hipparcos number: | 55642 | Hipparcos catalog number |
| V1: | 4.06 | Magnitude of the primary |
| V2: | 6.71 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 2 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | JAA2023 | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 2.386 88.40 -------------------------- 1930.22 1.181 22.93 1931.22 1.119 20.23 1932.22 1.057 17.22 1933.22 0.995 13.84 1934.22 0.934 10.01 1935.22 0.874 5.65 1936.22 0.817 0.66 1937.22 0.763 354.94 1938.22 0.713 348.38 1939.22 0.671 340.93 1940.22 0.637 332.58 1941.22 0.614 323.44 1942.22 0.603 313.78 1943.22 0.604 303.96 1944.22 0.617 294.37 1945.22 0.640 285.34 1946.22 0.672 277.05 1947.22 0.708 269.56 1948.22 0.747 262.83 1949.22 0.787 256.78 1950.22 0.825 251.29 1951.22 0.860 246.28 1952.22 0.891 241.63 1953.22 0.918 237.29 1954.22 0.941 233.17 1955.22 0.960 229.23 1956.22 0.975 225.43 1957.22 0.987 221.73 1958.22 0.995 218.11 1959.22 1.001 214.53 1960.22 1.006 211.00 1961.22 1.009 207.49 1962.22 1.011 204.00 1963.22 1.013 200.52 1964.22 1.014 197.06 1965.22 1.016 193.60 1966.22 1.018 190.16 1967.22 1.021 186.74 1968.22 1.025 183.34 1969.22 1.031 179.96 1970.22 1.037 176.63 1971.22 1.045 173.34 1972.22 1.054 170.11 1973.22 1.064 166.93 1974.22 1.076 163.82 1975.22 1.090 160.79 1976.22 1.105 157.83 1977.22 1.121 154.95 1978.22 1.139 152.16 1979.22 1.158 149.46 1980.22 1.178 146.85 1981.22 1.199 144.32 1982.22 1.221 141.89 1983.22 1.244 139.55 1984.22 1.268 137.29 1985.22 1.293 135.12 1986.22 1.319 133.03 1987.22 1.345 131.02 1988.22 1.372 129.09 1989.22 1.399 127.23 1990.22 1.426 125.45 1991.22 1.454 123.73 1992.22 1.483 122.08 1993.22 1.511 120.49 1994.22 1.540 118.96 1995.22 1.569 117.49 1996.22 1.598 116.07 1997.22 1.627 114.70 1998.22 1.656 113.38 1999.22 1.685 112.10 2000.22 1.714 110.87 2001.22 1.743 109.67 2002.22 1.772 108.52 2003.22 1.801 107.41 2004.22 1.829 106.32 2005.22 1.858 105.28 2006.22 1.886 104.26 2007.22 1.914 103.27 2008.22 1.941 102.31 2009.22 1.969 101.38 2010.22 1.996 100.48 2011.22 2.023 99.59 2012.22 2.049 98.73 2013.22 2.075 97.90 2014.22 2.101 97.08 2015.22 2.127 96.28 2016.22 2.152 95.50 2017.22 2.176 94.74 2018.22 2.201 94.00 2019.22 2.225 93.27 2020.22 2.248 92.56 2021.22 2.271 91.86 2022.22 2.294 91.18 2023.22 2.316 90.51 2024.22 2.338 89.85 2025.22 2.359 89.21 2026.22 2.380 88.57 2027.22 2.400 87.95 2028.22 2.420 87.34 2029.22 2.440 86.73 2030.22 2.459 86.14 2031.22 2.477 85.55 2032.22 2.495 84.98 2033.22 2.512 84.41 2034.22 2.529 83.85 2035.22 2.546 83.30 2036.22 2.562 82.75 2037.22 2.577 82.21 2038.22 2.592 81.68 2039.22 2.606 81.15 2040.22 2.620 80.63 2041.22 2.633 80.11 2042.22 2.645 79.60 2043.22 2.657 79.10 2044.22 2.668 78.59 2045.22 2.679 78.09 2046.22 2.690 77.60 2047.22 2.699 77.11 2048.22 2.708 76.62 2049.22 2.717 76.14 2050.22 2.724 75.66 2051.22 2.732 75.18 2052.22 2.738 74.70 2053.22 2.744 74.23 2054.22 2.749 73.76 2055.22 2.754 73.29 2056.22 2.758 72.82 2057.22 2.761 72.35 2058.22 2.764 71.88 2059.22 2.766 71.42 2060.22 2.767 70.95 2061.22 2.768 70.49 2062.22 2.767 70.02 2063.22 2.767 69.56 2064.22 2.765 69.09 2065.22 2.763 68.63 2066.22 2.760 68.16 2067.22 2.756 67.69 2068.22 2.752 67.22 2069.22 2.746 66.75 2070.22 2.740 66.28 2071.22 2.734 65.80 2072.22 2.726 65.32 2073.22 2.718 64.84 2074.22 2.708 64.36 2075.22 2.698 63.87 2076.22 2.687 63.38 2077.22 2.676 62.88 2078.22 2.663 62.39 2079.22 2.650 61.88 2080.22 2.636 61.37 2081.22 2.620 60.86 2082.22 2.604 60.33 2083.22 2.587 59.80 2084.22 2.569 59.27 2085.22 2.550 58.73 2086.22 2.530 58.17 2087.22 2.509 57.61 2088.22 2.488 57.04 2089.22 2.465 56.46 2090.22 2.441 55.87 2091.22 2.416 55.27 2092.22 2.390 54.65 2093.22 2.363 54.02 2094.22 2.334 53.37 2095.22 2.305 52.71 2096.22 2.275 52.03 2097.22 2.243 51.33 2098.22 2.210 50.62 2099.22 2.176 49.87 2100.22 2.141 49.11 2101.22 2.104 48.32 2102.22 2.066 47.50 2103.22 2.027 46.65 2104.22 1.986 45.77 2105.22 1.945 44.84 2106.22 1.902 43.88 2107.22 1.857 42.87 2108.22 1.811 41.81 2109.22 1.764 40.70 2110.22 1.715 39.52 2111.22 1.665 38.27 2112.22 1.613 36.95 2113.22 1.560 35.53 2114.22 1.506 34.02 2115.22 1.450 32.39 2116.22 1.393 30.62 2117.22 1.335 28.71 2118.22 1.275 26.62 2119.22 1.215 24.32
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:38:13 |