| WDS: | A830 | WDS ID/Discoverer |
| P: | 219.000 | Orbital period (years) |
| a: | 0.325 | Semi-major axis (arcseconds) |
| i: | 125.7 | Inclination (degrees) |
| Ω: | 18.0 | Longitude of ascending node (degrees) |
| T: | 2066.200 | Epoch of periastron passage (year) |
| e: | 0.31 | Eccentricity |
| ω: | 167.1 | Longitude of periastron (degrees) |
| Start-Year: | 1915.5 | Year |
| End-Year: | 2134.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A830 |
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| Position: | 033630.85+101107.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03365+1011 | WDS designation |
| Discoverer Code: | A830 | Discover designation and components |
| ADS number: | 2639 | Aitken Double Star catalog |
| HD number: | 22376 | HD catalog number |
| Hipparcos number: | 16830 | Hipparcos catalog number |
| V1: | 9.94 | Magnitude of the primary |
| V2: | 10.37 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2003 | 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: | Zir2012b | 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 0.210 325.42 -------------------------- 1915.50 0.293 55.80 1916.50 0.297 54.70 1917.50 0.302 53.63 1918.50 0.307 52.59 1919.50 0.311 51.58 1920.50 0.315 50.59 1921.50 0.320 49.64 1922.50 0.324 48.71 1923.50 0.328 47.81 1924.50 0.332 46.92 1925.50 0.337 46.06 1926.50 0.341 45.22 1927.50 0.345 44.40 1928.50 0.348 43.60 1929.50 0.352 42.81 1930.50 0.356 42.05 1931.50 0.360 41.29 1932.50 0.363 40.56 1933.50 0.367 39.83 1934.50 0.370 39.12 1935.50 0.373 38.42 1936.50 0.376 37.74 1937.50 0.379 37.06 1938.50 0.382 36.40 1939.50 0.385 35.75 1940.50 0.388 35.10 1941.50 0.391 34.47 1942.50 0.393 33.84 1943.50 0.396 33.22 1944.50 0.398 32.61 1945.50 0.401 32.01 1946.50 0.403 31.41 1947.50 0.405 30.82 1948.50 0.407 30.24 1949.50 0.409 29.66 1950.50 0.410 29.08 1951.50 0.412 28.51 1952.50 0.414 27.95 1953.50 0.415 27.39 1954.50 0.416 26.83 1955.50 0.417 26.27 1956.50 0.418 25.72 1957.50 0.419 25.17 1958.50 0.420 24.63 1959.50 0.421 24.08 1960.50 0.422 23.54 1961.50 0.422 23.00 1962.50 0.422 22.46 1963.50 0.423 21.92 1964.50 0.423 21.38 1965.50 0.423 20.84 1966.50 0.423 20.30 1967.50 0.423 19.76 1968.50 0.422 19.22 1969.50 0.422 18.68 1970.50 0.421 18.14 1971.50 0.420 17.60 1972.50 0.420 17.05 1973.50 0.419 16.50 1974.50 0.418 15.95 1975.50 0.416 15.40 1976.50 0.415 14.84 1977.50 0.414 14.28 1978.50 0.412 13.71 1979.50 0.410 13.14 1980.50 0.409 12.57 1981.50 0.407 11.99 1982.50 0.405 11.40 1983.50 0.402 10.81 1984.50 0.400 10.21 1985.50 0.398 9.61 1986.50 0.395 9.00 1987.50 0.392 8.37 1988.50 0.390 7.74 1989.50 0.387 7.10 1990.50 0.384 6.46 1991.50 0.380 5.80 1992.50 0.377 5.12 1993.50 0.374 4.44 1994.50 0.370 3.75 1995.50 0.367 3.04 1996.50 0.363 2.31 1997.50 0.359 1.57 1998.50 0.355 0.82 1999.50 0.351 0.04 2000.50 0.347 359.25 2001.50 0.342 358.44 2002.50 0.338 357.61 2003.50 0.333 356.75 2004.50 0.329 355.87 2005.50 0.324 354.97 2006.50 0.319 354.03 2007.50 0.314 353.07 2008.50 0.309 352.08 2009.50 0.304 351.06 2010.50 0.299 349.99 2011.50 0.293 348.90 2012.50 0.288 347.76 2013.50 0.283 346.57 2014.50 0.277 345.34 2015.50 0.272 344.06 2016.50 0.266 342.73 2017.50 0.260 341.34 2018.50 0.255 339.88 2019.50 0.249 338.36 2020.50 0.243 336.77 2021.50 0.238 335.10 2022.50 0.232 333.36 2023.50 0.226 331.52 2024.50 0.221 329.59 2025.50 0.215 327.56 2026.50 0.210 325.42 2027.50 0.204 323.17 2028.50 0.199 320.81 2029.50 0.194 318.32 2030.50 0.189 315.70 2031.50 0.185 312.94 2032.50 0.180 310.05 2033.50 0.176 307.02 2034.50 0.173 303.85 2035.50 0.169 300.55 2036.50 0.166 297.12 2037.50 0.163 293.57 2038.50 0.161 289.92 2039.50 0.160 286.17 2040.50 0.158 282.35 2041.50 0.158 278.49 2042.50 0.157 274.60 2043.50 0.157 270.70 2044.50 0.158 266.83 2045.50 0.159 263.00 2046.50 0.161 259.24 2047.50 0.163 255.56 2048.50 0.165 251.97 2049.50 0.168 248.49 2050.50 0.171 245.13 2051.50 0.174 241.88 2052.50 0.177 238.76 2053.50 0.181 235.75 2054.50 0.184 232.86 2055.50 0.188 230.08 2056.50 0.192 227.41 2057.50 0.195 224.83 2058.50 0.199 222.35 2059.50 0.202 219.96 2060.50 0.206 217.65 2061.50 0.209 215.40 2062.50 0.212 213.22 2063.50 0.214 211.10 2064.50 0.217 209.03 2065.50 0.219 207.01 2066.50 0.221 205.02 2067.50 0.223 203.06 2068.50 0.224 201.13 2069.50 0.225 199.22 2070.50 0.226 197.33 2071.50 0.226 195.44 2072.50 0.226 193.56 2073.50 0.226 191.68 2074.50 0.226 189.80 2075.50 0.225 187.90 2076.50 0.224 185.99 2077.50 0.223 184.05 2078.50 0.221 182.10 2079.50 0.219 180.11 2080.50 0.218 178.10 2081.50 0.215 176.04 2082.50 0.213 173.95 2083.50 0.211 171.81 2084.50 0.209 169.62 2085.50 0.206 167.38 2086.50 0.204 165.08 2087.50 0.201 162.73 2088.50 0.199 160.31 2089.50 0.196 157.84 2090.50 0.194 155.30 2091.50 0.191 152.70 2092.50 0.189 150.04 2093.50 0.187 147.33 2094.50 0.185 144.55 2095.50 0.184 141.72 2096.50 0.182 138.85 2097.50 0.181 135.93 2098.50 0.180 132.98 2099.50 0.180 130.00 2100.50 0.179 127.01 2101.50 0.179 124.01 2102.50 0.179 121.01 2103.50 0.180 118.03 2104.50 0.181 115.07 2105.50 0.182 112.14 2106.50 0.183 109.25 2107.50 0.185 106.41 2108.50 0.187 103.64 2109.50 0.190 100.92 2110.50 0.192 98.27 2111.50 0.195 95.70 2112.50 0.198 93.20 2113.50 0.201 90.78 2114.50 0.205 88.44 2115.50 0.208 86.17 2116.50 0.212 83.99 2117.50 0.216 81.88 2118.50 0.220 79.86 2119.50 0.224 77.90 2120.50 0.228 76.02 2121.50 0.233 74.21 2122.50 0.237 72.46 2123.50 0.242 70.78 2124.50 0.246 69.16 2125.50 0.251 67.60 2126.50 0.256 66.10 2127.50 0.260 64.65 2128.50 0.265 63.25 2129.50 0.270 61.90 2130.50 0.274 60.60 2131.50 0.279 59.34 2132.50 0.284 58.12 2133.50 0.288 56.95
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:12:44 |