| WDS: | JSP31 | WDS ID/Discoverer |
| P: | 250.000 | Orbital period (years) |
| a: | 0.43 | Semi-major axis (arcseconds) |
| i: | 112.1 | Inclination (degrees) |
| Ω: | 25.5 | Longitude of ascending node (degrees) |
| T: | 1968.230 | Epoch of periastron passage (year) |
| e: | 0.5 | Eccentricity |
| ω: | 180.1 | Longitude of periastron (degrees) |
| Start-Year: | 1900.0 | Year |
| End-Year: | 2150.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for JSP31 |
||
| Position: | 015406.06-772928.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01541-7729 | WDS designation |
| Discoverer Code: | JSP31 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 12121 | HD catalog number |
| Hipparcos number: | 8866 | Hipparcos catalog number |
| V1: | 7.55 | Magnitude of the primary |
| V2: | 8.25 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2016 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Tok2017c | 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 0.390 45.09 -------------------------- 1900.00 0.461 10.59 1901.00 0.454 10.17 1902.00 0.447 9.74 1903.00 0.440 9.30 1904.00 0.433 8.85 1905.00 0.426 8.38 1906.00 0.419 7.89 1907.00 0.412 7.39 1908.00 0.404 6.87 1909.00 0.397 6.33 1910.00 0.389 5.76 1911.00 0.381 5.18 1912.00 0.373 4.57 1913.00 0.365 3.93 1914.00 0.357 3.27 1915.00 0.349 2.57 1916.00 0.341 1.84 1917.00 0.332 1.07 1918.00 0.324 0.27 1919.00 0.315 359.42 1920.00 0.306 358.52 1921.00 0.298 357.56 1922.00 0.289 356.55 1923.00 0.280 355.48 1924.00 0.271 354.34 1925.00 0.262 353.11 1926.00 0.253 351.80 1927.00 0.244 350.39 1928.00 0.235 348.88 1929.00 0.226 347.24 1930.00 0.217 345.46 1931.00 0.208 343.53 1932.00 0.199 341.43 1933.00 0.190 339.13 1934.00 0.181 336.61 1935.00 0.173 333.85 1936.00 0.165 330.82 1937.00 0.157 327.47 1938.00 0.150 323.80 1939.00 0.143 319.76 1940.00 0.137 315.35 1941.00 0.132 310.54 1942.00 0.127 305.36 1943.00 0.123 299.83 1944.00 0.121 294.01 1945.00 0.119 287.98 1946.00 0.119 281.87 1947.00 0.120 275.78 1948.00 0.122 269.82 1949.00 0.125 264.10 1950.00 0.129 258.68 1951.00 0.133 253.61 1952.00 0.139 248.91 1953.00 0.144 244.57 1954.00 0.151 240.58 1955.00 0.157 236.92 1956.00 0.164 233.54 1957.00 0.170 230.43 1958.00 0.177 227.55 1959.00 0.183 224.87 1960.00 0.189 222.36 1961.00 0.194 220.00 1962.00 0.199 217.77 1963.00 0.204 215.64 1964.00 0.208 213.59 1965.00 0.211 211.61 1966.00 0.213 209.67 1967.00 0.214 207.78 1968.00 0.215 205.89 1969.00 0.215 204.02 1970.00 0.214 202.13 1971.00 0.212 200.21 1972.00 0.209 198.25 1973.00 0.205 196.23 1974.00 0.201 194.13 1975.00 0.196 191.94 1976.00 0.191 189.63 1977.00 0.185 187.18 1978.00 0.179 184.57 1979.00 0.173 181.77 1980.00 0.166 178.75 1981.00 0.160 175.48 1982.00 0.153 171.93 1983.00 0.147 168.06 1984.00 0.141 163.85 1985.00 0.135 159.28 1986.00 0.130 154.34 1987.00 0.126 149.04 1988.00 0.123 143.41 1989.00 0.120 137.52 1990.00 0.119 131.45 1991.00 0.119 125.31 1992.00 0.120 119.22 1993.00 0.122 113.29 1994.00 0.125 107.62 1995.00 0.130 102.29 1996.00 0.135 97.33 1997.00 0.141 92.75 1998.00 0.147 88.57 1999.00 0.154 84.76 2000.00 0.162 81.29 2001.00 0.170 78.14 2002.00 0.178 75.28 2003.00 0.187 72.68 2004.00 0.195 70.30 2005.00 0.204 68.13 2006.00 0.213 66.14 2007.00 0.222 64.31 2008.00 0.231 62.62 2009.00 0.240 61.06 2010.00 0.250 59.61 2011.00 0.259 58.27 2012.00 0.268 57.02 2013.00 0.277 55.84 2014.00 0.286 54.75 2015.00 0.294 53.71 2016.00 0.303 52.74 2017.00 0.312 51.83 2018.00 0.321 50.96 2019.00 0.329 50.14 2020.00 0.338 49.36 2021.00 0.346 48.61 2022.00 0.354 47.91 2023.00 0.362 47.23 2024.00 0.371 46.59 2025.00 0.378 45.97 2026.00 0.386 45.37 2027.00 0.394 44.80 2028.00 0.402 44.26 2029.00 0.409 43.73 2030.00 0.417 43.22 2031.00 0.424 42.73 2032.00 0.431 42.25 2033.00 0.438 41.79 2034.00 0.445 41.35 2035.00 0.452 40.92 2036.00 0.458 40.50 2037.00 0.465 40.09 2038.00 0.471 39.70 2039.00 0.478 39.31 2040.00 0.484 38.94 2041.00 0.490 38.57 2042.00 0.496 38.21 2043.00 0.502 37.86 2044.00 0.508 37.52 2045.00 0.513 37.19 2046.00 0.519 36.86 2047.00 0.524 36.55 2048.00 0.529 36.23 2049.00 0.534 35.93 2050.00 0.539 35.63 2051.00 0.544 35.33 2052.00 0.549 35.04 2053.00 0.554 34.75 2054.00 0.558 34.47 2055.00 0.563 34.20 2056.00 0.567 33.93 2057.00 0.571 33.66 2058.00 0.575 33.39 2059.00 0.579 33.13 2060.00 0.583 32.88 2061.00 0.587 32.62 2062.00 0.590 32.37 2063.00 0.594 32.12 2064.00 0.597 31.88 2065.00 0.600 31.64 2066.00 0.603 31.40 2067.00 0.606 31.16 2068.00 0.609 30.93 2069.00 0.612 30.69 2070.00 0.615 30.46 2071.00 0.617 30.23 2072.00 0.620 30.01 2073.00 0.622 29.78 2074.00 0.624 29.56 2075.00 0.626 29.34 2076.00 0.628 29.12 2077.00 0.630 28.90 2078.00 0.632 28.68 2079.00 0.634 28.46 2080.00 0.635 28.25 2081.00 0.637 28.03 2082.00 0.638 27.82 2083.00 0.639 27.61 2084.00 0.640 27.40 2085.00 0.641 27.19 2086.00 0.642 26.97 2087.00 0.643 26.76 2088.00 0.644 26.55 2089.00 0.644 26.35 2090.00 0.644 26.14 2091.00 0.645 25.93 2092.00 0.645 25.72 2093.00 0.645 25.51 2094.00 0.645 25.30 2095.00 0.645 25.09 2096.00 0.645 24.88 2097.00 0.644 24.68 2098.00 0.644 24.47 2099.00 0.643 24.26 2100.00 0.642 24.05 2101.00 0.642 23.84 2102.00 0.641 23.63 2103.00 0.640 23.41 2104.00 0.638 23.20 2105.00 0.637 22.99 2106.00 0.636 22.77 2107.00 0.634 22.56 2108.00 0.633 22.34 2109.00 0.631 22.12 2110.00 0.629 21.91 2111.00 0.627 21.69 2112.00 0.625 21.46 2113.00 0.623 21.24 2114.00 0.621 21.02 2115.00 0.618 20.79 2116.00 0.616 20.56 2117.00 0.613 20.33 2118.00 0.610 20.10 2119.00 0.607 19.87 2120.00 0.604 19.63 2121.00 0.601 19.39 2122.00 0.598 19.15 2123.00 0.595 18.91 2124.00 0.591 18.66 2125.00 0.588 18.41 2126.00 0.584 18.16 2127.00 0.580 17.90 2128.00 0.576 17.64 2129.00 0.572 17.38 2130.00 0.568 17.11 2131.00 0.564 16.84 2132.00 0.560 16.57 2133.00 0.555 16.29 2134.00 0.550 16.00 2135.00 0.546 15.72 2136.00 0.541 15.42 2137.00 0.536 15.12 2138.00 0.531 14.82 2139.00 0.526 14.51 2140.00 0.520 14.19 2141.00 0.515 13.87 2142.00 0.509 13.54 2143.00 0.504 13.20 2144.00 0.498 12.85 2145.00 0.492 12.50 2146.00 0.486 12.13 2147.00 0.480 11.76 2148.00 0.473 11.38 2149.00 0.467 10.99
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 14:55:04 |