| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:17:30 |
| WDS: | A1801 | WDS ID/Discoverer |
| P: | 229.000 | Orbital period (years) |
| a: | 0.435 | Semi-major axis (arcseconds) |
| i: | 94.1 | Inclination (degrees) |
| Ω: | 195.9 | Longitude of ascending node (degrees) |
| T: | 2020.000 | Epoch of periastron passage (year) |
| e: | 0.132 | Eccentricity |
| ω: | 151.4 | Longitude of periastron (degrees) |
| Start-Year: | 1911.0 | Year |
| End-Year: | 2139.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 000957.47+083437.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00100+0835 | WDS designation |
| Discoverer Code: | A1801 | Discover designation and components |
| ADS number: | 120 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 807 | Hipparcos catalog number |
| V1: | 9.5 | Magnitude of the primary |
| V2: | 9.5 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2021 | 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 0.359 17.3 ------------------------- 1911.0 0.457 197.5 1912.0 0.460 197.4 1913.0 0.464 197.3 1914.0 0.467 197.3 1915.0 0.470 197.2 1916.0 0.472 197.1 1917.0 0.475 197.0 1918.0 0.477 196.9 1919.0 0.479 196.8 1920.0 0.480 196.7 1921.0 0.482 196.6 1922.0 0.483 196.5 1923.0 0.484 196.4 1924.0 0.484 196.3 1925.0 0.484 196.2 1926.0 0.485 196.1 1927.0 0.484 196.1 1928.0 0.484 196.0 1929.0 0.483 195.9 1930.0 0.482 195.8 1931.0 0.481 195.7 1932.0 0.480 195.6 1933.0 0.478 195.5 1934.0 0.476 195.4 1935.0 0.473 195.3 1936.0 0.471 195.2 1937.0 0.468 195.1 1938.0 0.465 195.0 1939.0 0.462 194.9 1940.0 0.458 194.8 1941.0 0.454 194.7 1942.0 0.450 194.6 1943.0 0.445 194.5 1944.0 0.441 194.4 1945.0 0.436 194.3 1946.0 0.431 194.2 1947.0 0.425 194.1 1948.0 0.419 194.0 1949.0 0.413 193.8 1950.0 0.407 193.7 1951.0 0.401 193.6 1952.0 0.394 193.5 1953.0 0.387 193.3 1954.0 0.380 193.2 1955.0 0.372 193.0 1956.0 0.364 192.9 1957.0 0.356 192.7 1958.0 0.348 192.5 1959.0 0.340 192.4 1960.0 0.331 192.2 1961.0 0.322 192.0 1962.0 0.313 191.8 1963.0 0.303 191.5 1964.0 0.294 191.3 1965.0 0.284 191.1 1966.0 0.274 190.8 1967.0 0.264 190.5 1968.0 0.253 190.2 1969.0 0.243 189.8 1970.0 0.232 189.5 1971.0 0.221 189.0 1972.0 0.210 188.6 1973.0 0.199 188.1 1974.0 0.188 187.5 1975.0 0.176 186.9 1976.0 0.165 186.2 1977.0 0.153 185.3 1978.0 0.141 184.3 1979.0 0.129 183.2 1980.0 0.117 181.8 1981.0 0.105 180.1 1982.0 0.093 177.9 1983.0 0.082 175.2 1984.0 0.070 171.5 1985.0 0.059 166.3 1986.0 0.048 158.8 1987.0 0.038 147.3 1988.0 0.031 129.6 1989.0 0.029 105.6 1990.0 0.031 81.6 1991.0 0.038 63.8 1992.0 0.048 52.2 1993.0 0.058 44.7 1994.0 0.070 39.5 1995.0 0.081 35.8 1996.0 0.093 33.0 1997.0 0.105 30.8 1998.0 0.117 29.1 1999.0 0.129 27.7 2000.0 0.141 26.5 2001.0 0.152 25.6 2002.0 0.164 24.7 2003.0 0.175 24.0 2004.0 0.186 23.3 2005.0 0.197 22.8 2006.0 0.208 22.2 2007.0 0.219 21.8 2008.0 0.229 21.4 2009.0 0.240 21.0 2010.0 0.250 20.6 2011.0 0.259 20.3 2012.0 0.269 20.0 2013.0 0.278 19.7 2014.0 0.286 19.5 2015.0 0.295 19.2 2016.0 0.303 19.0 2017.0 0.311 18.7 2018.0 0.318 18.5 2019.0 0.325 18.3 2020.0 0.332 18.1 2021.0 0.338 17.9 2022.0 0.344 17.8 2023.0 0.349 17.6 2024.0 0.355 17.4 2025.0 0.359 17.3 2026.0 0.364 17.1 2027.0 0.368 16.9 2028.0 0.371 16.8 2029.0 0.374 16.6 2030.0 0.377 16.5 2031.0 0.379 16.3 2032.0 0.381 16.2 2033.0 0.382 16.0 2034.0 0.383 15.9 2035.0 0.384 15.8 2036.0 0.384 15.6 2037.0 0.383 15.5 2038.0 0.383 15.3 2039.0 0.382 15.2 2040.0 0.380 15.0 2041.0 0.378 14.9 2042.0 0.376 14.7 2043.0 0.373 14.6 2044.0 0.370 14.4 2045.0 0.367 14.3 2046.0 0.363 14.1 2047.0 0.359 14.0 2048.0 0.354 13.8 2049.0 0.349 13.6 2050.0 0.344 13.4 2051.0 0.338 13.3 2052.0 0.332 13.1 2053.0 0.326 12.9 2054.0 0.320 12.7 2055.0 0.313 12.5 2056.0 0.306 12.2 2057.0 0.299 12.0 2058.0 0.291 11.8 2059.0 0.283 11.5 2060.0 0.275 11.3 2061.0 0.267 11.0 2062.0 0.258 10.7 2063.0 0.250 10.3 2064.0 0.241 10.0 2065.0 0.231 9.6 2066.0 0.222 9.2 2067.0 0.213 8.7 2068.0 0.203 8.3 2069.0 0.193 7.7 2070.0 0.183 7.1 2071.0 0.173 6.5 2072.0 0.163 5.7 2073.0 0.153 4.9 2074.0 0.143 3.9 2075.0 0.132 2.8 2076.0 0.122 1.5 2077.0 0.111 359.9 2078.0 0.101 358.1 2079.0 0.091 355.7 2080.0 0.080 352.9 2081.0 0.070 349.1 2082.0 0.061 344.2 2083.0 0.052 337.5 2084.0 0.044 328.1 2085.0 0.037 314.9 2086.0 0.033 297.6 2087.0 0.033 278.0 2088.0 0.036 260.1 2089.0 0.043 246.3 2090.0 0.050 236.5 2091.0 0.059 229.4 2092.0 0.069 224.3 2093.0 0.079 220.4 2094.0 0.089 217.4 2095.0 0.100 215.1 2096.0 0.110 213.2 2097.0 0.121 211.6 2098.0 0.131 210.2 2099.0 0.141 209.1 2100.0 0.152 208.1 2101.0 0.162 207.3 2102.0 0.173 206.5 2103.0 0.183 205.8 2104.0 0.193 205.2 2105.0 0.203 204.7 2106.0 0.213 204.2 2107.0 0.223 203.8 2108.0 0.233 203.4 2109.0 0.242 203.0 2110.0 0.252 202.6 2111.0 0.261 202.3 2112.0 0.270 202.0 2113.0 0.279 201.7 2114.0 0.288 201.5 2115.0 0.297 201.2 2116.0 0.306 201.0 2117.0 0.314 200.8 2118.0 0.322 200.6 2119.0 0.331 200.4 2120.0 0.339 200.2 2121.0 0.346 200.0 2122.0 0.354 199.8 2123.0 0.361 199.7 2124.0 0.369 199.5 2125.0 0.376 199.4 2126.0 0.383 199.2 2127.0 0.389 199.1 2128.0 0.396 198.9 2129.0 0.402 198.8 2130.0 0.408 198.7 2131.0 0.414 198.5 2132.0 0.420 198.4 2133.0 0.425 198.3 2134.0 0.430 198.2 2135.0 0.435 198.1 2136.0 0.440 198.0 2137.0 0.444 197.9 2138.0 0.449 197.8