| WDS: | A1798 | WDS ID/Discoverer |
| P: | 298.000 | Orbital period (years) |
| a: | 0.241 | Semi-major axis (arcseconds) |
| i: | 128.7 | Inclination (degrees) |
| Ω: | 140.2 | Longitude of ascending node (degrees) |
| T: | 2049.910 | Epoch of periastron passage (year) |
| e: | 0.303 | Eccentricity |
| ω: | 220.4 | Longitude of periastron (degrees) |
| Start-Year: | 1876.0 | Year |
| End-Year: | 2174.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A1798 |
||
| Position: | 160755.15+142522.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 16079+1425 | WDS designation |
| Discoverer Code: | A1798 | Discover designation and components |
| ADS number: | 9931 | Aitken Double Star catalog |
| HD number: | 144935 | HD catalog number |
| Hipparcos number: | 79034 | Hipparcos catalog number |
| V1: | 8.88 | Magnitude of the primary |
| V2: | 10.20 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2016 | 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: | Doc2021e | 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 0.182 327.52 -------------------------- 1876.00 0.293 125.13 1877.00 0.293 124.65 1878.00 0.292 124.16 1879.00 0.292 123.67 1880.00 0.291 123.17 1881.00 0.290 122.68 1882.00 0.290 122.18 1883.00 0.289 121.68 1884.00 0.288 121.18 1885.00 0.288 120.68 1886.00 0.287 120.17 1887.00 0.286 119.66 1888.00 0.285 119.15 1889.00 0.284 118.63 1890.00 0.283 118.11 1891.00 0.282 117.59 1892.00 0.281 117.06 1893.00 0.280 116.53 1894.00 0.279 116.00 1895.00 0.278 115.46 1896.00 0.277 114.92 1897.00 0.276 114.37 1898.00 0.275 113.82 1899.00 0.273 113.26 1900.00 0.272 112.70 1901.00 0.271 112.13 1902.00 0.269 111.56 1903.00 0.268 110.98 1904.00 0.267 110.39 1905.00 0.265 109.80 1906.00 0.264 109.21 1907.00 0.263 108.60 1908.00 0.261 107.99 1909.00 0.260 107.38 1910.00 0.258 106.75 1911.00 0.257 106.12 1912.00 0.255 105.48 1913.00 0.253 104.83 1914.00 0.252 104.18 1915.00 0.250 103.52 1916.00 0.249 102.84 1917.00 0.247 102.16 1918.00 0.245 101.47 1919.00 0.244 100.77 1920.00 0.242 100.06 1921.00 0.240 99.34 1922.00 0.239 98.61 1923.00 0.237 97.87 1924.00 0.235 97.12 1925.00 0.233 96.36 1926.00 0.232 95.59 1927.00 0.230 94.80 1928.00 0.228 94.01 1929.00 0.226 93.20 1930.00 0.225 92.37 1931.00 0.223 91.54 1932.00 0.221 90.69 1933.00 0.219 89.83 1934.00 0.218 88.95 1935.00 0.216 88.06 1936.00 0.214 87.15 1937.00 0.212 86.23 1938.00 0.211 85.30 1939.00 0.209 84.35 1940.00 0.207 83.38 1941.00 0.205 82.40 1942.00 0.204 81.40 1943.00 0.202 80.38 1944.00 0.200 79.35 1945.00 0.199 78.30 1946.00 0.197 77.23 1947.00 0.195 76.14 1948.00 0.194 75.04 1949.00 0.192 73.92 1950.00 0.191 72.78 1951.00 0.189 71.62 1952.00 0.188 70.45 1953.00 0.186 69.25 1954.00 0.185 68.04 1955.00 0.184 66.81 1956.00 0.182 65.56 1957.00 0.181 64.29 1958.00 0.180 63.00 1959.00 0.179 61.70 1960.00 0.177 60.38 1961.00 0.176 59.04 1962.00 0.175 57.69 1963.00 0.174 56.32 1964.00 0.173 54.93 1965.00 0.172 53.53 1966.00 0.171 52.11 1967.00 0.171 50.68 1968.00 0.170 49.24 1969.00 0.169 47.78 1970.00 0.168 46.31 1971.00 0.168 44.84 1972.00 0.167 43.35 1973.00 0.167 41.85 1974.00 0.166 40.34 1975.00 0.166 38.83 1976.00 0.166 37.31 1977.00 0.166 35.79 1978.00 0.165 34.26 1979.00 0.165 32.73 1980.00 0.165 31.20 1981.00 0.165 29.67 1982.00 0.165 28.14 1983.00 0.165 26.60 1984.00 0.165 25.08 1985.00 0.166 23.55 1986.00 0.166 22.03 1987.00 0.166 20.52 1988.00 0.167 19.01 1989.00 0.167 17.50 1990.00 0.167 16.01 1991.00 0.168 14.52 1992.00 0.168 13.04 1993.00 0.169 11.57 1994.00 0.170 10.11 1995.00 0.170 8.66 1996.00 0.171 7.23 1997.00 0.171 5.80 1998.00 0.172 4.38 1999.00 0.173 2.97 2000.00 0.173 1.58 2001.00 0.174 0.19 2002.00 0.175 358.82 2003.00 0.176 357.46 2004.00 0.176 356.11 2005.00 0.177 354.77 2006.00 0.178 353.43 2007.00 0.178 352.11 2008.00 0.179 350.80 2009.00 0.180 349.50 2010.00 0.180 348.21 2011.00 0.181 346.92 2012.00 0.181 345.65 2013.00 0.182 344.37 2014.00 0.182 343.11 2015.00 0.182 341.85 2016.00 0.183 340.60 2017.00 0.183 339.35 2018.00 0.183 338.10 2019.00 0.183 336.86 2020.00 0.184 335.62 2021.00 0.184 334.38 2022.00 0.183 333.14 2023.00 0.183 331.89 2024.00 0.183 330.65 2025.00 0.183 329.40 2026.00 0.182 328.15 2027.00 0.182 326.89 2028.00 0.181 325.62 2029.00 0.181 324.34 2030.00 0.180 323.06 2031.00 0.179 321.76 2032.00 0.178 320.45 2033.00 0.177 319.12 2034.00 0.176 317.78 2035.00 0.174 316.41 2036.00 0.173 315.03 2037.00 0.172 313.62 2038.00 0.170 312.19 2039.00 0.168 310.73 2040.00 0.167 309.24 2041.00 0.165 307.71 2042.00 0.163 306.15 2043.00 0.161 304.56 2044.00 0.159 302.92 2045.00 0.156 301.23 2046.00 0.154 299.50 2047.00 0.152 297.71 2048.00 0.149 295.87 2049.00 0.147 293.97 2050.00 0.145 292.00 2051.00 0.142 289.97 2052.00 0.140 287.87 2053.00 0.137 285.69 2054.00 0.135 283.44 2055.00 0.133 281.11 2056.00 0.130 278.69 2057.00 0.128 276.19 2058.00 0.126 273.60 2059.00 0.124 270.92 2060.00 0.122 268.16 2061.00 0.120 265.31 2062.00 0.119 262.39 2063.00 0.117 259.38 2064.00 0.116 256.31 2065.00 0.115 253.18 2066.00 0.114 250.00 2067.00 0.114 246.78 2068.00 0.113 243.53 2069.00 0.113 240.27 2070.00 0.113 237.00 2071.00 0.114 233.76 2072.00 0.114 230.54 2073.00 0.115 227.36 2074.00 0.116 224.24 2075.00 0.118 221.18 2076.00 0.119 218.19 2077.00 0.121 215.29 2078.00 0.123 212.47 2079.00 0.125 209.74 2080.00 0.127 207.11 2081.00 0.130 204.57 2082.00 0.132 202.13 2083.00 0.135 199.79 2084.00 0.138 197.53 2085.00 0.141 195.37 2086.00 0.143 193.30 2087.00 0.147 191.31 2088.00 0.150 189.40 2089.00 0.153 187.57 2090.00 0.156 185.82 2091.00 0.159 184.13 2092.00 0.162 182.52 2093.00 0.166 180.97 2094.00 0.169 179.47 2095.00 0.172 178.04 2096.00 0.176 176.66 2097.00 0.179 175.33 2098.00 0.182 174.05 2099.00 0.185 172.81 2100.00 0.189 171.61 2101.00 0.192 170.46 2102.00 0.195 169.34 2103.00 0.198 168.26 2104.00 0.201 167.22 2105.00 0.205 166.20 2106.00 0.208 165.22 2107.00 0.211 164.26 2108.00 0.214 163.33 2109.00 0.216 162.43 2110.00 0.219 161.55 2111.00 0.222 160.69 2112.00 0.225 159.85 2113.00 0.228 159.04 2114.00 0.230 158.24 2115.00 0.233 157.46 2116.00 0.236 156.70 2117.00 0.238 155.95 2118.00 0.241 155.22 2119.00 0.243 154.51 2120.00 0.245 153.81 2121.00 0.248 153.12 2122.00 0.250 152.45 2123.00 0.252 151.78 2124.00 0.254 151.13 2125.00 0.256 150.49 2126.00 0.258 149.86 2127.00 0.260 149.24 2128.00 0.262 148.63 2129.00 0.264 148.02 2130.00 0.266 147.43 2131.00 0.268 146.84 2132.00 0.269 146.26 2133.00 0.271 145.69 2134.00 0.273 145.12 2135.00 0.274 144.56 2136.00 0.276 144.01 2137.00 0.277 143.46 2138.00 0.278 142.92 2139.00 0.280 142.38 2140.00 0.281 141.85 2141.00 0.282 141.32 2142.00 0.283 140.80 2143.00 0.284 140.28 2144.00 0.285 139.77 2145.00 0.286 139.26 2146.00 0.287 138.75 2147.00 0.288 138.24 2148.00 0.289 137.74 2149.00 0.290 137.24 2150.00 0.290 136.74 2151.00 0.291 136.25 2152.00 0.292 135.76 2153.00 0.292 135.27 2154.00 0.293 134.78 2155.00 0.293 134.29 2156.00 0.294 133.81 2157.00 0.294 133.32 2158.00 0.294 132.84 2159.00 0.295 132.36 2160.00 0.295 131.88 2161.00 0.295 131.39 2162.00 0.295 130.91 2163.00 0.295 130.43 2164.00 0.295 129.96 2165.00 0.295 129.48 2166.00 0.295 129.00 2167.00 0.295 128.52 2168.00 0.295 128.03 2169.00 0.295 127.55 2170.00 0.294 127.07 2171.00 0.294 126.59 2172.00 0.294 126.11 2173.00 0.293 125.62
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:23:15 |