| WDS: | I5AB | WDS ID/Discoverer |
| P: | 253.310 | Orbital period (years) |
| a: | 2.17 | Semi-major axis (arcseconds) |
| i: | 93.4 | Inclination (degrees) |
| Ω: | 91.3 | Longitude of ascending node (degrees) |
| T: | 2034.620 | Epoch of periastron passage (year) |
| e: | 0.276 | Eccentricity |
| ω: | 342.2 | Longitude of periastron (degrees) |
| Start-Year: | 1898.345 | Year |
| End-Year: | 2151.655 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for I5AB |
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| Position: | 063800.39-613200.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 06380-6132 | WDS designation |
| Discoverer Code: | I5AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 48189 | HD catalog number |
| Hipparcos number: | 31711 | Hipparcos catalog number |
| V1: | 6.32 | Magnitude of the primary |
| V2: | 8.77 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2024 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Doc2025b | 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 1.244 94.03 -------------------------- 1898.35 2.483 272.95 1899.35 2.502 272.89 1900.35 2.520 272.83 1901.35 2.538 272.77 1902.35 2.555 272.71 1903.35 2.572 272.65 1904.35 2.587 272.59 1905.35 2.602 272.54 1906.35 2.616 272.48 1907.35 2.629 272.42 1908.35 2.641 272.37 1909.35 2.653 272.32 1910.35 2.664 272.26 1911.35 2.674 272.21 1912.35 2.683 272.15 1913.35 2.692 272.10 1914.35 2.700 272.05 1915.35 2.707 272.00 1916.35 2.713 271.95 1917.35 2.718 271.89 1918.35 2.722 271.84 1919.35 2.726 271.79 1920.35 2.729 271.74 1921.35 2.731 271.69 1922.35 2.732 271.64 1923.35 2.733 271.59 1924.35 2.732 271.54 1925.35 2.731 271.48 1926.35 2.729 271.43 1927.35 2.726 271.38 1928.35 2.722 271.33 1929.35 2.717 271.28 1930.35 2.712 271.23 1931.35 2.705 271.17 1932.35 2.698 271.12 1933.35 2.690 271.07 1934.35 2.681 271.02 1935.35 2.671 270.96 1936.35 2.661 270.91 1937.35 2.649 270.86 1938.35 2.637 270.80 1939.35 2.624 270.75 1940.35 2.609 270.69 1941.35 2.594 270.63 1942.35 2.578 270.58 1943.35 2.562 270.52 1944.35 2.544 270.46 1945.35 2.525 270.40 1946.35 2.506 270.34 1947.35 2.486 270.28 1948.35 2.464 270.22 1949.35 2.442 270.15 1950.35 2.419 270.09 1951.35 2.395 270.02 1952.35 2.371 269.96 1953.35 2.345 269.89 1954.35 2.318 269.82 1955.35 2.291 269.75 1956.35 2.262 269.67 1957.35 2.233 269.60 1958.35 2.203 269.52 1959.35 2.172 269.44 1960.35 2.140 269.36 1961.35 2.107 269.27 1962.35 2.073 269.19 1963.35 2.038 269.10 1964.35 2.003 269.00 1965.35 1.966 268.91 1966.35 1.929 268.80 1967.35 1.891 268.70 1968.35 1.852 268.59 1969.35 1.812 268.48 1970.35 1.771 268.36 1971.35 1.729 268.23 1972.35 1.687 268.10 1973.35 1.643 267.97 1974.35 1.599 267.82 1975.35 1.554 267.67 1976.35 1.508 267.50 1977.35 1.462 267.33 1978.35 1.414 267.15 1979.35 1.366 266.95 1980.35 1.317 266.74 1981.35 1.267 266.51 1982.35 1.216 266.26 1983.35 1.165 265.99 1984.35 1.113 265.70 1985.35 1.060 265.37 1986.35 1.007 265.02 1987.35 0.953 264.62 1988.35 0.899 264.17 1989.35 0.844 263.67 1990.35 0.788 263.10 1991.35 0.732 262.44 1992.35 0.675 261.66 1993.35 0.618 260.75 1994.35 0.561 259.65 1995.35 0.504 258.30 1996.35 0.446 256.61 1997.35 0.389 254.41 1998.35 0.332 251.45 1999.35 0.276 247.29 2000.35 0.222 241.06 2001.35 0.172 231.03 2002.35 0.131 213.90 2003.35 0.110 186.52 2004.35 0.120 156.33 2005.35 0.155 135.38 2006.35 0.202 123.13 2007.35 0.255 115.72 2008.35 0.310 110.90 2009.35 0.367 107.55 2010.35 0.424 105.09 2011.35 0.481 103.22 2012.35 0.538 101.75 2013.35 0.594 100.55 2014.35 0.650 99.57 2015.35 0.706 98.73 2016.35 0.760 98.02 2017.35 0.814 97.41 2018.35 0.866 96.87 2019.35 0.918 96.39 2020.35 0.968 95.96 2021.35 1.017 95.57 2022.35 1.064 95.22 2023.35 1.110 94.89 2024.35 1.155 94.60 2025.35 1.197 94.32 2026.35 1.238 94.06 2027.35 1.277 93.82 2028.35 1.314 93.60 2029.35 1.349 93.38 2030.35 1.382 93.18 2031.35 1.412 92.98 2032.35 1.440 92.79 2033.35 1.466 92.61 2034.35 1.490 92.44 2035.35 1.511 92.27 2036.35 1.530 92.10 2037.35 1.546 91.94 2038.35 1.560 91.78 2039.35 1.572 91.63 2040.35 1.580 91.48 2041.35 1.587 91.32 2042.35 1.591 91.17 2043.35 1.592 91.02 2044.35 1.591 90.87 2045.35 1.588 90.72 2046.35 1.582 90.57 2047.35 1.574 90.41 2048.35 1.563 90.26 2049.35 1.550 90.10 2050.35 1.535 89.94 2051.35 1.518 89.78 2052.35 1.499 89.61 2053.35 1.478 89.44 2054.35 1.455 89.26 2055.35 1.430 89.08 2056.35 1.404 88.89 2057.35 1.375 88.69 2058.35 1.345 88.48 2059.35 1.314 88.27 2060.35 1.281 88.04 2061.35 1.246 87.80 2062.35 1.210 87.55 2063.35 1.173 87.28 2064.35 1.135 87.00 2065.35 1.095 86.69 2066.35 1.055 86.36 2067.35 1.013 86.00 2068.35 0.971 85.61 2069.35 0.927 85.19 2070.35 0.883 84.72 2071.35 0.838 84.21 2072.35 0.793 83.64 2073.35 0.747 82.99 2074.35 0.700 82.26 2075.35 0.653 81.43 2076.35 0.606 80.46 2077.35 0.558 79.34 2078.35 0.510 78.00 2079.35 0.462 76.38 2080.35 0.415 74.39 2081.35 0.367 71.89 2082.35 0.321 68.64 2083.35 0.275 64.31 2084.35 0.231 58.30 2085.35 0.191 49.65 2086.35 0.158 36.88 2087.35 0.135 18.69 2088.35 0.130 356.54 2089.35 0.145 335.92 2090.35 0.174 320.57 2091.35 0.211 310.10 2092.35 0.253 302.95 2093.35 0.298 297.88 2094.35 0.344 294.16 2095.35 0.392 291.34 2096.35 0.439 289.12 2097.35 0.488 287.34 2098.35 0.536 285.88 2099.35 0.584 284.66 2100.35 0.632 283.63 2101.35 0.681 282.74 2102.35 0.728 281.97 2103.35 0.776 281.30 2104.35 0.824 280.70 2105.35 0.871 280.17 2106.35 0.918 279.69 2107.35 0.964 279.26 2108.35 1.010 278.87 2109.35 1.056 278.51 2110.35 1.101 278.18 2111.35 1.146 277.88 2112.35 1.191 277.60 2113.35 1.235 277.34 2114.35 1.278 277.10 2115.35 1.321 276.88 2116.35 1.364 276.66 2117.35 1.406 276.46 2118.35 1.448 276.28 2119.35 1.489 276.10 2120.35 1.529 275.93 2121.35 1.569 275.77 2122.35 1.609 275.62 2123.35 1.648 275.48 2124.35 1.686 275.34 2125.35 1.724 275.21 2126.35 1.761 275.08 2127.35 1.797 274.96 2128.35 1.833 274.85 2129.35 1.868 274.74 2130.35 1.903 274.63 2131.35 1.937 274.53 2132.35 1.970 274.43 2133.35 2.003 274.33 2134.35 2.035 274.24 2135.35 2.067 274.15 2136.35 2.097 274.06 2137.35 2.128 273.97 2138.35 2.157 273.89 2139.35 2.186 273.81 2140.35 2.214 273.73 2141.35 2.241 273.65 2142.35 2.268 273.58 2143.35 2.294 273.50 2144.35 2.319 273.43 2145.35 2.344 273.36 2146.35 2.368 273.29 2147.35 2.391 273.23 2148.35 2.413 273.16 2149.35 2.435 273.09 2150.35 2.456 273.03 2151.35 2.476 272.97
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:48:41 |