| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:14:15 |
| WDS: | DA1BC | WDS ID/Discoverer |
| P: | 236.520 | Orbital period (years) |
| a: | 0.448 | Semi-major axis (arcseconds) |
| i: | 68.6 | Inclination (degrees) |
| Ω: | 180.3 | Longitude of ascending node (degrees) |
| T: | 1998.220 | Epoch of periastron passage (year) |
| e: | 0.875 | Eccentricity |
| ω: | 237.0 | Longitude of periastron (degrees) |
| Start-Year: | 1907.0 | Year |
| End-Year: | 2143.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 203111.94+111533.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20312+1116 | WDS designation |
| Discoverer Code: | DA1BC | Discover designation and components |
| ADS number: | 13946 | Aitken Double Star catalog |
| HD number: | 195482 | HD catalog number |
| Hipparcos number: | 101233 | Hipparcos catalog number |
| V1: | 7.9 | Magnitude of the primary |
| V2: | 8.0 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2006 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.407 191.5 ------------------------- 1907.0 0.455 215.7 1908.0 0.451 215.9 1909.0 0.448 216.2 1910.0 0.445 216.5 1911.0 0.441 216.8 1912.0 0.438 217.0 1913.0 0.434 217.3 1914.0 0.431 217.6 1915.0 0.427 217.9 1916.0 0.424 218.2 1917.0 0.420 218.5 1918.0 0.416 218.8 1919.0 0.413 219.1 1920.0 0.409 219.4 1921.0 0.405 219.8 1922.0 0.401 220.1 1923.0 0.397 220.4 1924.0 0.394 220.8 1925.0 0.390 221.1 1926.0 0.386 221.5 1927.0 0.381 221.9 1928.0 0.377 222.2 1929.0 0.373 222.6 1930.0 0.369 223.0 1931.0 0.365 223.4 1932.0 0.361 223.8 1933.0 0.356 224.2 1934.0 0.352 224.7 1935.0 0.347 225.1 1936.0 0.343 225.6 1937.0 0.339 226.0 1938.0 0.334 226.5 1939.0 0.330 227.0 1940.0 0.325 227.5 1941.0 0.320 228.0 1942.0 0.316 228.6 1943.0 0.311 229.1 1944.0 0.306 229.7 1945.0 0.302 230.3 1946.0 0.297 230.9 1947.0 0.292 231.5 1948.0 0.287 232.1 1949.0 0.282 232.8 1950.0 0.277 233.5 1951.0 0.272 234.2 1952.0 0.267 234.9 1953.0 0.262 235.7 1954.0 0.257 236.5 1955.0 0.252 237.3 1956.0 0.247 238.2 1957.0 0.242 239.1 1958.0 0.237 240.0 1959.0 0.232 241.0 1960.0 0.227 242.0 1961.0 0.222 243.1 1962.0 0.217 244.2 1963.0 0.211 245.4 1964.0 0.206 246.7 1965.0 0.201 248.0 1966.0 0.196 249.3 1967.0 0.191 250.8 1968.0 0.186 252.3 1969.0 0.181 253.9 1970.0 0.176 255.6 1971.0 0.171 257.4 1972.0 0.166 259.3 1973.0 0.161 261.3 1974.0 0.157 263.4 1975.0 0.152 265.7 1976.0 0.148 268.1 1977.0 0.143 270.6 1978.0 0.139 273.3 1979.0 0.135 276.2 1980.0 0.131 279.2 1981.0 0.128 282.5 1982.0 0.124 285.8 1983.0 0.121 289.4 1984.0 0.118 293.2 1985.0 0.116 297.1 1986.0 0.113 301.2 1987.0 0.111 305.5 1988.0 0.109 310.0 1989.0 0.108 314.5 1990.0 0.106 319.3 1991.0 0.104 324.1 1992.0 0.103 329.2 1993.0 0.100 334.4 1994.0 0.097 340.0 1995.0 0.091 346.0 1996.0 0.083 353.1 1997.0 0.067 2.7 1998.0 0.042 21.5 1999.0 0.022 94.9 2000.0 0.049 151.3 2001.0 0.081 164.8 2002.0 0.111 170.7 2003.0 0.136 174.3 2004.0 0.159 176.8 2005.0 0.180 178.7 2006.0 0.199 180.2 2007.0 0.216 181.4 2008.0 0.233 182.5 2009.0 0.248 183.4 2010.0 0.262 184.3 2011.0 0.275 185.0 2012.0 0.288 185.7 2013.0 0.300 186.3 2014.0 0.311 186.9 2015.0 0.322 187.4 2016.0 0.332 187.9 2017.0 0.342 188.4 2018.0 0.351 188.9 2019.0 0.360 189.3 2020.0 0.369 189.7 2021.0 0.377 190.1 2022.0 0.385 190.5 2023.0 0.393 190.8 2024.0 0.400 191.2 2025.0 0.407 191.5 2026.0 0.414 191.8 2027.0 0.420 192.1 2028.0 0.426 192.4 2029.0 0.433 192.7 2030.0 0.438 193.0 2031.0 0.444 193.3 2032.0 0.449 193.6 2033.0 0.455 193.8 2034.0 0.460 194.1 2035.0 0.465 194.3 2036.0 0.469 194.6 2037.0 0.474 194.8 2038.0 0.478 195.1 2039.0 0.482 195.3 2040.0 0.486 195.5 2041.0 0.490 195.7 2042.0 0.494 196.0 2043.0 0.498 196.2 2044.0 0.501 196.4 2045.0 0.505 196.6 2046.0 0.508 196.8 2047.0 0.511 197.0 2048.0 0.514 197.2 2049.0 0.517 197.4 2050.0 0.520 197.6 2051.0 0.522 197.8 2052.0 0.525 198.0 2053.0 0.527 198.2 2054.0 0.530 198.4 2055.0 0.532 198.6 2056.0 0.534 198.8 2057.0 0.536 199.0 2058.0 0.538 199.2 2059.0 0.540 199.4 2060.0 0.542 199.6 2061.0 0.543 199.7 2062.0 0.545 199.9 2063.0 0.546 200.1 2064.0 0.548 200.3 2065.0 0.549 200.5 2066.0 0.550 200.6 2067.0 0.552 200.8 2068.0 0.553 201.0 2069.0 0.554 201.2 2070.0 0.555 201.3 2071.0 0.555 201.5 2072.0 0.556 201.7 2073.0 0.557 201.9 2074.0 0.557 202.0 2075.0 0.558 202.2 2076.0 0.558 202.4 2077.0 0.559 202.6 2078.0 0.559 202.7 2079.0 0.559 202.9 2080.0 0.560 203.1 2081.0 0.560 203.3 2082.0 0.560 203.4 2083.0 0.560 203.6 2084.0 0.560 203.8 2085.0 0.559 203.9 2086.0 0.559 204.1 2087.0 0.559 204.3 2088.0 0.559 204.5 2089.0 0.558 204.6 2090.0 0.558 204.8 2091.0 0.557 205.0 2092.0 0.557 205.2 2093.0 0.556 205.3 2094.0 0.555 205.5 2095.0 0.555 205.7 2096.0 0.554 205.9 2097.0 0.553 206.0 2098.0 0.552 206.2 2099.0 0.551 206.4 2100.0 0.550 206.6 2101.0 0.549 206.7 2102.0 0.548 206.9 2103.0 0.546 207.1 2104.0 0.545 207.3 2105.0 0.544 207.5 2106.0 0.542 207.6 2107.0 0.541 207.8 2108.0 0.539 208.0 2109.0 0.538 208.2 2110.0 0.536 208.4 2111.0 0.535 208.6 2112.0 0.533 208.8 2113.0 0.531 209.0 2114.0 0.529 209.1 2115.0 0.528 209.3 2116.0 0.526 209.5 2117.0 0.524 209.7 2118.0 0.522 209.9 2119.0 0.520 210.1 2120.0 0.518 210.3 2121.0 0.515 210.5 2122.0 0.513 210.7 2123.0 0.511 210.9 2124.0 0.509 211.1 2125.0 0.506 211.4 2126.0 0.504 211.6 2127.0 0.502 211.8 2128.0 0.499 212.0 2129.0 0.497 212.2 2130.0 0.494 212.4 2131.0 0.491 212.7 2132.0 0.489 212.9 2133.0 0.486 213.1 2134.0 0.483 213.3 2135.0 0.480 213.6 2136.0 0.478 213.8 2137.0 0.475 214.0 2138.0 0.472 214.3 2139.0 0.469 214.5 2140.0 0.466 214.8 2141.0 0.463 215.0 2142.0 0.459 215.3