| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:17:09 |
| WDS: | I1494AB | WDS ID/Discoverer |
| P: | 277.660 | Orbital period (years) |
| a: | 0.511 | Semi-major axis (arcseconds) |
| i: | 104.6 | Inclination (degrees) |
| Ω: | 88.8 | Longitude of ascending node (degrees) |
| T: | 2026.030 | Epoch of periastron passage (year) |
| e: | 0.292 | Eccentricity |
| ω: | 217.9 | Longitude of periastron (degrees) |
| Start-Year: | 1887.0 | Year |
| End-Year: | 2163.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 055047.60-394501.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 05508-3945 | WDS designation |
| Discoverer Code: | I1494AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.03 | Magnitude of the primary |
| V2: | 9.09 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2010 | Date of last observation |
| Orbit grade: | 4 | 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 0.300 258.7 ------------------------- 1887.0 0.532 77.8 1888.0 0.527 77.5 1889.0 0.522 77.2 1890.0 0.517 76.9 1891.0 0.512 76.6 1892.0 0.506 76.2 1893.0 0.501 75.9 1894.0 0.496 75.6 1895.0 0.490 75.3 1896.0 0.484 74.9 1897.0 0.478 74.6 1898.0 0.472 74.2 1899.0 0.466 73.8 1900.0 0.460 73.4 1901.0 0.454 73.1 1902.0 0.448 72.7 1903.0 0.442 72.2 1904.0 0.435 71.8 1905.0 0.429 71.4 1906.0 0.422 70.9 1907.0 0.415 70.5 1908.0 0.409 70.0 1909.0 0.402 69.5 1910.0 0.395 69.0 1911.0 0.388 68.4 1912.0 0.381 67.9 1913.0 0.374 67.3 1914.0 0.367 66.7 1915.0 0.359 66.1 1916.0 0.352 65.5 1917.0 0.345 64.8 1918.0 0.338 64.1 1919.0 0.330 63.3 1920.0 0.323 62.6 1921.0 0.315 61.8 1922.0 0.308 60.9 1923.0 0.301 60.1 1924.0 0.293 59.1 1925.0 0.286 58.2 1926.0 0.278 57.1 1927.0 0.271 56.0 1928.0 0.263 54.9 1929.0 0.256 53.7 1930.0 0.249 52.4 1931.0 0.241 51.1 1932.0 0.234 49.6 1933.0 0.227 48.1 1934.0 0.220 46.4 1935.0 0.213 44.7 1936.0 0.207 42.8 1937.0 0.200 40.9 1938.0 0.194 38.8 1939.0 0.187 36.5 1940.0 0.182 34.1 1941.0 0.176 31.6 1942.0 0.171 28.8 1943.0 0.166 25.9 1944.0 0.161 22.9 1945.0 0.157 19.7 1946.0 0.153 16.3 1947.0 0.150 12.7 1948.0 0.148 9.0 1949.0 0.146 5.2 1950.0 0.144 1.4 1951.0 0.143 357.4 1952.0 0.143 353.4 1953.0 0.144 349.5 1954.0 0.145 345.5 1955.0 0.147 341.7 1956.0 0.149 337.9 1957.0 0.152 334.3 1958.0 0.155 330.8 1959.0 0.159 327.5 1960.0 0.163 324.4 1961.0 0.168 321.4 1962.0 0.173 318.6 1963.0 0.178 315.9 1964.0 0.184 313.4 1965.0 0.190 311.1 1966.0 0.196 308.9 1967.0 0.202 306.9 1968.0 0.209 304.9 1969.0 0.215 303.1 1970.0 0.222 301.4 1971.0 0.228 299.8 1972.0 0.235 298.3 1973.0 0.242 296.8 1974.0 0.249 295.5 1975.0 0.256 294.2 1976.0 0.262 293.0 1977.0 0.269 291.8 1978.0 0.276 290.7 1979.0 0.282 289.7 1980.0 0.289 288.7 1981.0 0.295 287.7 1982.0 0.301 286.8 1983.0 0.308 285.9 1984.0 0.314 285.1 1985.0 0.320 284.2 1986.0 0.325 283.5 1987.0 0.331 282.7 1988.0 0.336 282.0 1989.0 0.341 281.3 1990.0 0.346 280.6 1991.0 0.351 279.9 1992.0 0.355 279.2 1993.0 0.359 278.6 1994.0 0.363 278.0 1995.0 0.367 277.4 1996.0 0.370 276.8 1997.0 0.373 276.2 1998.0 0.376 275.6 1999.0 0.378 275.0 2000.0 0.381 274.5 2001.0 0.382 273.9 2002.0 0.384 273.3 2003.0 0.385 272.8 2004.0 0.385 272.2 2005.0 0.385 271.7 2006.0 0.385 271.1 2007.0 0.385 270.6 2008.0 0.384 270.0 2009.0 0.382 269.5 2010.0 0.380 268.9 2011.0 0.378 268.3 2012.0 0.375 267.8 2013.0 0.372 267.2 2014.0 0.368 266.6 2015.0 0.364 266.0 2016.0 0.360 265.4 2017.0 0.355 264.7 2018.0 0.349 264.1 2019.0 0.344 263.4 2020.0 0.337 262.7 2021.0 0.331 261.9 2022.0 0.324 261.2 2023.0 0.316 260.4 2024.0 0.308 259.5 2025.0 0.300 258.7 2026.0 0.291 257.7 2027.0 0.282 256.7 2028.0 0.273 255.7 2029.0 0.263 254.5 2030.0 0.253 253.3 2031.0 0.243 252.0 2032.0 0.233 250.6 2033.0 0.223 249.0 2034.0 0.212 247.3 2035.0 0.201 245.3 2036.0 0.191 243.2 2037.0 0.180 240.8 2038.0 0.169 238.2 2039.0 0.159 235.1 2040.0 0.149 231.7 2041.0 0.139 227.8 2042.0 0.130 223.3 2043.0 0.122 218.1 2044.0 0.115 212.3 2045.0 0.109 205.7 2046.0 0.104 198.5 2047.0 0.101 190.7 2048.0 0.100 182.6 2049.0 0.101 174.4 2050.0 0.103 166.5 2051.0 0.108 159.1 2052.0 0.114 152.4 2053.0 0.121 146.5 2054.0 0.129 141.2 2055.0 0.138 136.6 2056.0 0.148 132.6 2057.0 0.158 129.1 2058.0 0.168 126.0 2059.0 0.179 123.3 2060.0 0.190 120.9 2061.0 0.201 118.8 2062.0 0.213 116.9 2063.0 0.224 115.2 2064.0 0.235 113.6 2065.0 0.246 112.2 2066.0 0.258 110.9 2067.0 0.269 109.8 2068.0 0.280 108.7 2069.0 0.291 107.7 2070.0 0.302 106.7 2071.0 0.312 105.9 2072.0 0.323 105.1 2073.0 0.333 104.3 2074.0 0.344 103.6 2075.0 0.354 102.9 2076.0 0.364 102.3 2077.0 0.374 101.7 2078.0 0.383 101.1 2079.0 0.393 100.6 2080.0 0.402 100.1 2081.0 0.411 99.6 2082.0 0.420 99.1 2083.0 0.428 98.6 2084.0 0.437 98.2 2085.0 0.445 97.8 2086.0 0.453 97.4 2087.0 0.461 97.0 2088.0 0.469 96.6 2089.0 0.476 96.3 2090.0 0.484 95.9 2091.0 0.491 95.6 2092.0 0.498 95.2 2093.0 0.505 94.9 2094.0 0.511 94.6 2095.0 0.517 94.3 2096.0 0.524 94.0 2097.0 0.529 93.7 2098.0 0.535 93.4 2099.0 0.541 93.1 2100.0 0.546 92.8 2101.0 0.551 92.6 2102.0 0.556 92.3 2103.0 0.561 92.0 2104.0 0.566 91.8 2105.0 0.570 91.5 2106.0 0.574 91.3 2107.0 0.578 91.0 2108.0 0.582 90.8 2109.0 0.586 90.5 2110.0 0.589 90.3 2111.0 0.592 90.1 2112.0 0.595 89.8 2113.0 0.598 89.6 2114.0 0.601 89.4 2115.0 0.604 89.2 2116.0 0.606 88.9 2117.0 0.608 88.7 2118.0 0.610 88.5 2119.0 0.612 88.3 2120.0 0.614 88.1 2121.0 0.615 87.8 2122.0 0.617 87.6 2123.0 0.618 87.4 2124.0 0.619 87.2 2125.0 0.619 87.0 2126.0 0.620 86.8 2127.0 0.621 86.6 2128.0 0.621 86.4 2129.0 0.621 86.1 2130.0 0.621 85.9 2131.0 0.621 85.7 2132.0 0.621 85.5 2133.0 0.620 85.3 2134.0 0.620 85.1 2135.0 0.619 84.9 2136.0 0.618 84.7 2137.0 0.617 84.4 2138.0 0.616 84.2 2139.0 0.614 84.0 2140.0 0.613 83.8 2141.0 0.611 83.6 2142.0 0.609 83.4 2143.0 0.607 83.1 2144.0 0.605 82.9 2145.0 0.603 82.7 2146.0 0.600 82.5 2147.0 0.598 82.2 2148.0 0.595 82.0 2149.0 0.592 81.8 2150.0 0.589 81.5 2151.0 0.586 81.3 2152.0 0.583 81.1 2153.0 0.580 80.8 2154.0 0.576 80.6 2155.0 0.573 80.3 2156.0 0.569 80.1 2157.0 0.565 79.8 2158.0 0.561 79.6 2159.0 0.557 79.3 2160.0 0.553 79.0 2161.0 0.549 78.8 2162.0 0.544 78.5