| WDS: | A361 | WDS ID/Discoverer |
| P: | 189.800 | Orbital period (years) |
| a: | 0.321 | Semi-major axis (arcseconds) |
| i: | 126.8 | Inclination (degrees) |
| Ω: | 95.5 | Longitude of ascending node (degrees) |
| T: | 1979.800 | Epoch of periastron passage (year) |
| e: | 0.822 | Eccentricity |
| ω: | 254.5 | Longitude of periastron (degrees) |
| Start-Year: | 1930.1 | Year |
| End-Year: | 2119.9 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A361 |
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| Position: | 190725.31+081059.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19074+0811 | WDS designation |
| Discoverer Code: | A361 | Discover designation and components |
| ADS number: | 12054 | Aitken Double Star catalog |
| HD number: | 178216 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 10.0 | Magnitude of the primary |
| V2: | 10.2 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Tok2022g | 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 0.355 53.27 -------------------------- 1930.10 0.294 3.83 1931.10 0.292 3.05 1932.10 0.289 2.26 1933.10 0.287 1.46 1934.10 0.284 0.64 1935.10 0.281 359.81 1936.10 0.279 358.96 1937.10 0.276 358.09 1938.10 0.273 357.20 1939.10 0.270 356.30 1940.10 0.267 355.37 1941.10 0.264 354.43 1942.10 0.261 353.46 1943.10 0.258 352.48 1944.10 0.255 351.46 1945.10 0.252 350.43 1946.10 0.249 349.36 1947.10 0.246 348.27 1948.10 0.242 347.15 1949.10 0.239 346.00 1950.10 0.236 344.82 1951.10 0.232 343.60 1952.10 0.229 342.35 1953.10 0.225 341.05 1954.10 0.222 339.72 1955.10 0.218 338.34 1956.10 0.214 336.91 1957.10 0.210 335.43 1958.10 0.206 333.90 1959.10 0.202 332.30 1960.10 0.198 330.64 1961.10 0.194 328.91 1962.10 0.190 327.10 1963.10 0.185 325.21 1964.10 0.181 323.22 1965.10 0.176 321.12 1966.10 0.171 318.91 1967.10 0.166 316.56 1968.10 0.160 314.05 1969.10 0.155 311.36 1970.10 0.148 308.46 1971.10 0.142 305.29 1972.10 0.135 301.80 1973.10 0.127 297.90 1974.10 0.118 293.44 1975.10 0.108 288.20 1976.10 0.096 281.78 1977.10 0.082 273.35 1978.10 0.065 260.93 1979.10 0.046 238.79 1980.10 0.035 194.34 1981.10 0.044 147.07 1982.10 0.065 123.58 1983.10 0.085 111.53 1984.10 0.104 104.06 1985.10 0.121 98.79 1986.10 0.136 94.76 1987.10 0.150 91.51 1988.10 0.163 88.79 1989.10 0.174 86.44 1990.10 0.185 84.38 1991.10 0.195 82.54 1992.10 0.205 80.87 1993.10 0.213 79.34 1994.10 0.222 77.93 1995.10 0.229 76.62 1996.10 0.237 75.39 1997.10 0.244 74.24 1998.10 0.250 73.15 1999.10 0.257 72.11 2000.10 0.263 71.12 2001.10 0.268 70.18 2002.10 0.274 69.27 2003.10 0.279 68.40 2004.10 0.284 67.56 2005.10 0.289 66.75 2006.10 0.294 65.96 2007.10 0.298 65.20 2008.10 0.302 64.46 2009.10 0.306 63.74 2010.10 0.310 63.04 2011.10 0.314 62.35 2012.10 0.317 61.68 2013.10 0.321 61.03 2014.10 0.324 60.39 2015.10 0.327 59.76 2016.10 0.330 59.14 2017.10 0.333 58.54 2018.10 0.336 57.94 2019.10 0.339 57.36 2020.10 0.341 56.78 2021.10 0.344 56.21 2022.10 0.346 55.65 2023.10 0.348 55.10 2024.10 0.351 54.55 2025.10 0.353 54.01 2026.10 0.355 53.48 2027.10 0.357 52.95 2028.10 0.358 52.43 2029.10 0.360 51.92 2030.10 0.362 51.40 2031.10 0.363 50.90 2032.10 0.365 50.39 2033.10 0.366 49.89 2034.10 0.367 49.40 2035.10 0.369 48.91 2036.10 0.370 48.42 2037.10 0.371 47.93 2038.10 0.372 47.45 2039.10 0.373 46.97 2040.10 0.374 46.49 2041.10 0.375 46.02 2042.10 0.376 45.54 2043.10 0.376 45.07 2044.10 0.377 44.60 2045.10 0.378 44.13 2046.10 0.378 43.66 2047.10 0.379 43.20 2048.10 0.379 42.73 2049.10 0.379 42.27 2050.10 0.380 41.81 2051.10 0.380 41.35 2052.10 0.380 40.88 2053.10 0.380 40.42 2054.10 0.380 39.96 2055.10 0.381 39.50 2056.10 0.381 39.04 2057.10 0.380 38.58 2058.10 0.380 38.12 2059.10 0.380 37.66 2060.10 0.380 37.20 2061.10 0.380 36.74 2062.10 0.380 36.27 2063.10 0.379 35.81 2064.10 0.379 35.35 2065.10 0.378 34.88 2066.10 0.378 34.42 2067.10 0.377 33.95 2068.10 0.377 33.48 2069.10 0.376 33.01 2070.10 0.376 32.54 2071.10 0.375 32.06 2072.10 0.374 31.59 2073.10 0.373 31.11 2074.10 0.373 30.63 2075.10 0.372 30.15 2076.10 0.371 29.67 2077.10 0.370 29.18 2078.10 0.369 28.69 2079.10 0.368 28.20 2080.10 0.367 27.71 2081.10 0.366 27.21 2082.10 0.365 26.71 2083.10 0.363 26.20 2084.10 0.362 25.70 2085.10 0.361 25.19 2086.10 0.360 24.67 2087.10 0.358 24.16 2088.10 0.357 23.64 2089.10 0.356 23.11 2090.10 0.354 22.58 2091.10 0.353 22.05 2092.10 0.351 21.51 2093.10 0.350 20.96 2094.10 0.348 20.42 2095.10 0.346 19.86 2096.10 0.345 19.30 2097.10 0.343 18.74 2098.10 0.341 18.17 2099.10 0.339 17.59 2100.10 0.338 17.01 2101.10 0.336 16.42 2102.10 0.334 15.83 2103.10 0.332 15.23 2104.10 0.330 14.62 2105.10 0.328 14.00 2106.10 0.326 13.38 2107.10 0.324 12.75 2108.10 0.322 12.11 2109.10 0.320 11.46 2110.10 0.318 10.80 2111.10 0.315 10.14 2112.10 0.313 9.46 2113.10 0.311 8.78 2114.10 0.309 8.08 2115.10 0.306 7.38 2116.10 0.304 6.66 2117.10 0.301 5.93 2118.10 0.299 5.19 2119.10 0.296 4.44
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:00:26 |