| WDS: | A426 | WDS ID/Discoverer |
| P: | 183.060 | Orbital period (years) |
| a: | 0.342 | Semi-major axis (arcseconds) |
| i: | 132.1 | Inclination (degrees) |
| Ω: | 95.0 | Longitude of ascending node (degrees) |
| T: | 1890.210 | Epoch of periastron passage (year) |
| e: | 0.33 | Eccentricity |
| ω: | 300.6 | Longitude of periastron (degrees) |
| Start-Year: | 1933.47 | Year |
| End-Year: | 2116.53 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A426 |
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| Position: | 235607.61+252026.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 23561+2520 | WDS designation |
| Discoverer Code: | A426 | Discover designation and components |
| ADS number: | 17105 | Aitken Double Star catalog |
| HD number: | 224217 | HD catalog number |
| Hipparcos number: | 118005 | Hipparcos catalog number |
| V1: | 9.26 | Magnitude of the primary |
| V2: | 9.92 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1999 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Hrt2001b | 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 0.379 279.27 -------------------------- 1933.47 0.278 43.29 1934.47 0.278 41.40 1935.47 0.277 39.51 1936.47 0.277 37.61 1937.47 0.277 35.71 1938.47 0.276 33.81 1939.47 0.276 31.90 1940.47 0.276 29.99 1941.47 0.276 28.08 1942.47 0.276 26.18 1943.47 0.277 24.27 1944.47 0.277 22.37 1945.47 0.277 20.48 1946.47 0.278 18.59 1947.47 0.279 16.71 1948.47 0.279 14.84 1949.47 0.280 12.98 1950.47 0.281 11.14 1951.47 0.282 9.30 1952.47 0.284 7.48 1953.47 0.285 5.68 1954.47 0.286 3.90 1955.47 0.288 2.13 1956.47 0.289 0.38 1957.47 0.291 358.65 1958.47 0.293 356.94 1959.47 0.295 355.26 1960.47 0.297 353.59 1961.47 0.299 351.95 1962.47 0.301 350.33 1963.47 0.303 348.74 1964.47 0.305 347.17 1965.47 0.308 345.62 1966.47 0.310 344.09 1967.47 0.313 342.59 1968.47 0.315 341.11 1969.47 0.318 339.66 1970.47 0.320 338.23 1971.47 0.323 336.82 1972.47 0.325 335.43 1973.47 0.328 334.07 1974.47 0.331 332.73 1975.47 0.333 331.41 1976.47 0.336 330.11 1977.47 0.339 328.83 1978.47 0.341 327.57 1979.47 0.344 326.33 1980.47 0.347 325.11 1981.47 0.349 323.91 1982.47 0.352 322.72 1983.47 0.354 321.55 1984.47 0.357 320.40 1985.47 0.360 319.27 1986.47 0.362 318.15 1987.47 0.364 317.05 1988.47 0.367 315.96 1989.47 0.369 314.88 1990.47 0.371 313.82 1991.47 0.374 312.77 1992.47 0.376 311.74 1993.47 0.378 310.71 1994.47 0.380 309.69 1995.47 0.382 308.69 1996.47 0.383 307.70 1997.47 0.385 306.71 1998.47 0.387 305.73 1999.47 0.388 304.76 2000.47 0.390 303.80 2001.47 0.391 302.85 2002.47 0.392 301.90 2003.47 0.393 300.95 2004.47 0.394 300.02 2005.47 0.395 299.08 2006.47 0.396 298.15 2007.47 0.397 297.23 2008.47 0.397 296.30 2009.47 0.397 295.38 2010.47 0.398 294.46 2011.47 0.398 293.54 2012.47 0.398 292.62 2013.47 0.397 291.70 2014.47 0.397 290.78 2015.47 0.397 289.85 2016.47 0.396 288.92 2017.47 0.395 287.99 2018.47 0.394 287.06 2019.47 0.393 286.12 2020.47 0.391 285.17 2021.47 0.390 284.22 2022.47 0.388 283.25 2023.47 0.386 282.28 2024.47 0.384 281.30 2025.47 0.382 280.31 2026.47 0.379 279.30 2027.47 0.376 278.28 2028.47 0.373 277.24 2029.47 0.370 276.19 2030.47 0.367 275.11 2031.47 0.363 274.02 2032.47 0.359 272.90 2033.47 0.355 271.76 2034.47 0.351 270.60 2035.47 0.346 269.40 2036.47 0.342 268.17 2037.47 0.337 266.90 2038.47 0.331 265.60 2039.47 0.326 264.25 2040.47 0.320 262.85 2041.47 0.314 261.41 2042.47 0.308 259.90 2043.47 0.302 258.34 2044.47 0.295 256.71 2045.47 0.289 255.00 2046.47 0.282 253.21 2047.47 0.274 251.32 2048.47 0.267 249.34 2049.47 0.260 247.24 2050.47 0.252 245.01 2051.47 0.244 242.65 2052.47 0.237 240.13 2053.47 0.229 237.45 2054.47 0.221 234.57 2055.47 0.214 231.49 2056.47 0.206 228.18 2057.47 0.199 224.62 2058.47 0.192 220.80 2059.47 0.185 216.70 2060.47 0.179 212.31 2061.47 0.174 207.63 2062.47 0.169 202.65 2063.47 0.165 197.41 2064.47 0.162 191.93 2065.47 0.159 186.28 2066.47 0.158 180.51 2067.47 0.158 174.69 2068.47 0.159 168.91 2069.47 0.161 163.24 2070.47 0.164 157.74 2071.47 0.168 152.45 2072.47 0.172 147.42 2073.47 0.177 142.65 2074.47 0.183 138.16 2075.47 0.189 133.94 2076.47 0.195 129.98 2077.47 0.201 126.26 2078.47 0.207 122.76 2079.47 0.213 119.47 2080.47 0.219 116.36 2081.47 0.225 113.42 2082.47 0.231 110.62 2083.47 0.236 107.96 2084.47 0.242 105.41 2085.47 0.246 102.96 2086.47 0.251 100.61 2087.47 0.255 98.34 2088.47 0.259 96.13 2089.47 0.263 93.99 2090.47 0.266 91.91 2091.47 0.269 89.87 2092.47 0.271 87.87 2093.47 0.274 85.91 2094.47 0.276 83.98 2095.47 0.277 82.07 2096.47 0.279 80.19 2097.47 0.280 78.33 2098.47 0.281 76.48 2099.47 0.282 74.64 2100.47 0.282 72.81 2101.47 0.283 70.98 2102.47 0.283 69.17 2103.47 0.283 67.35 2104.47 0.283 65.53 2105.47 0.283 63.72 2106.47 0.283 61.90 2107.47 0.282 60.07 2108.47 0.282 58.25 2109.47 0.282 56.41 2110.47 0.281 54.58 2111.47 0.281 52.73 2112.47 0.280 50.88 2113.47 0.280 49.02 2114.47 0.279 47.15 2115.47 0.279 45.28 2116.47 0.278 43.40
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:55:40 |