| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:10:22 |
| WDS: | A606 | WDS ID/Discoverer |
| P: | 220.800 | Orbital period (years) |
| a: | 0.41 | Semi-major axis (arcseconds) |
| i: | 12.5 | Inclination (degrees) |
| Ω: | 107.5 | Longitude of ascending node (degrees) |
| T: | 1924.460 | Epoch of periastron passage (year) |
| e: | 0.379 | Eccentricity |
| ω: | 251.3 | Longitude of periastron (degrees) |
| Start-Year: | 1915.0 | Year |
| End-Year: | 2135.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 195802.80+045608.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19580+0456 | WDS designation |
| Discoverer Code: | A606 | Discover designation and components |
| ADS number: | 13169 | Aitken Double Star catalog |
| HD number: | 189044 | HD catalog number |
| Hipparcos number: | 98272 | Hipparcos catalog number |
| V1: | 9.52 | Magnitude of the primary |
| V2: | 9.33 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | 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 0.552 170.4 ------------------------- 1915.0 0.266 322.4 1916.0 0.263 326.0 1917.0 0.261 329.6 1918.0 0.258 333.3 1919.0 0.256 337.0 1920.0 0.254 340.8 1921.0 0.252 344.7 1922.0 0.251 348.6 1923.0 0.250 352.6 1924.0 0.249 356.5 1925.0 0.249 0.5 1926.0 0.249 4.5 1927.0 0.250 8.5 1928.0 0.251 12.5 1929.0 0.252 16.4 1930.0 0.253 20.3 1931.0 0.255 24.1 1932.0 0.258 27.9 1933.0 0.260 31.6 1934.0 0.263 35.2 1935.0 0.266 38.7 1936.0 0.269 42.2 1937.0 0.273 45.5 1938.0 0.277 48.8 1939.0 0.281 52.0 1940.0 0.285 55.1 1941.0 0.289 58.1 1942.0 0.294 61.0 1943.0 0.298 63.9 1944.0 0.303 66.6 1945.0 0.308 69.3 1946.0 0.312 71.8 1947.0 0.317 74.3 1948.0 0.322 76.8 1949.0 0.327 79.1 1950.0 0.332 81.4 1951.0 0.337 83.6 1952.0 0.342 85.8 1953.0 0.347 87.8 1954.0 0.352 89.9 1955.0 0.357 91.8 1956.0 0.362 93.8 1957.0 0.367 95.6 1958.0 0.371 97.4 1959.0 0.376 99.2 1960.0 0.381 100.9 1961.0 0.386 102.6 1962.0 0.390 104.3 1963.0 0.395 105.9 1964.0 0.400 107.4 1965.0 0.404 109.0 1966.0 0.408 110.5 1967.0 0.413 112.0 1968.0 0.417 113.4 1969.0 0.421 114.8 1970.0 0.426 116.2 1971.0 0.430 117.5 1972.0 0.434 118.9 1973.0 0.438 120.2 1974.0 0.442 121.4 1975.0 0.446 122.7 1976.0 0.449 123.9 1977.0 0.453 125.2 1978.0 0.457 126.4 1979.0 0.460 127.5 1980.0 0.464 128.7 1981.0 0.467 129.8 1982.0 0.471 131.0 1983.0 0.474 132.1 1984.0 0.477 133.2 1985.0 0.480 134.2 1986.0 0.483 135.3 1987.0 0.486 136.4 1988.0 0.489 137.4 1989.0 0.492 138.4 1990.0 0.495 139.4 1991.0 0.498 140.5 1992.0 0.501 141.4 1993.0 0.503 142.4 1994.0 0.506 143.4 1995.0 0.508 144.4 1996.0 0.511 145.3 1997.0 0.513 146.3 1998.0 0.515 147.2 1999.0 0.517 148.1 2000.0 0.519 149.1 2001.0 0.522 150.0 2002.0 0.524 150.9 2003.0 0.525 151.8 2004.0 0.527 152.7 2005.0 0.529 153.6 2006.0 0.531 154.4 2007.0 0.533 155.3 2008.0 0.534 156.2 2009.0 0.536 157.0 2010.0 0.537 157.9 2011.0 0.539 158.8 2012.0 0.540 159.6 2013.0 0.541 160.5 2014.0 0.542 161.3 2015.0 0.544 162.1 2016.0 0.545 163.0 2017.0 0.546 163.8 2018.0 0.547 164.6 2019.0 0.547 165.5 2020.0 0.548 166.3 2021.0 0.549 167.1 2022.0 0.550 167.9 2023.0 0.550 168.8 2024.0 0.551 169.6 2025.0 0.552 170.4 2026.0 0.552 171.2 2027.0 0.552 172.0 2028.0 0.553 172.8 2029.0 0.553 173.6 2030.0 0.553 174.4 2031.0 0.553 175.3 2032.0 0.553 176.1 2033.0 0.553 176.9 2034.0 0.553 177.7 2035.0 0.553 178.5 2036.0 0.553 179.3 2037.0 0.553 180.1 2038.0 0.553 180.9 2039.0 0.552 181.7 2040.0 0.552 182.5 2041.0 0.552 183.4 2042.0 0.551 184.2 2043.0 0.550 185.0 2044.0 0.550 185.8 2045.0 0.549 186.6 2046.0 0.548 187.4 2047.0 0.548 188.3 2048.0 0.547 189.1 2049.0 0.546 189.9 2050.0 0.545 190.8 2051.0 0.544 191.6 2052.0 0.543 192.4 2053.0 0.541 193.3 2054.0 0.540 194.1 2055.0 0.539 195.0 2056.0 0.538 195.8 2057.0 0.536 196.7 2058.0 0.535 197.6 2059.0 0.533 198.4 2060.0 0.532 199.3 2061.0 0.530 200.2 2062.0 0.528 201.1 2063.0 0.526 202.0 2064.0 0.525 202.8 2065.0 0.523 203.8 2066.0 0.521 204.7 2067.0 0.519 205.6 2068.0 0.517 206.5 2069.0 0.515 207.4 2070.0 0.512 208.4 2071.0 0.510 209.3 2072.0 0.508 210.3 2073.0 0.505 211.2 2074.0 0.503 212.2 2075.0 0.501 213.2 2076.0 0.498 214.2 2077.0 0.495 215.2 2078.0 0.493 216.2 2079.0 0.490 217.2 2080.0 0.487 218.3 2081.0 0.484 219.3 2082.0 0.482 220.4 2083.0 0.479 221.5 2084.0 0.476 222.5 2085.0 0.473 223.6 2086.0 0.469 224.8 2087.0 0.466 225.9 2088.0 0.463 227.0 2089.0 0.460 228.2 2090.0 0.456 229.4 2091.0 0.453 230.6 2092.0 0.449 231.8 2093.0 0.446 233.0 2094.0 0.442 234.3 2095.0 0.439 235.6 2096.0 0.435 236.9 2097.0 0.431 238.2 2098.0 0.427 239.5 2099.0 0.423 240.9 2100.0 0.419 242.3 2101.0 0.416 243.7 2102.0 0.411 245.2 2103.0 0.407 246.6 2104.0 0.403 248.1 2105.0 0.399 249.7 2106.0 0.395 251.3 2107.0 0.391 252.9 2108.0 0.386 254.5 2109.0 0.382 256.2 2110.0 0.378 257.9 2111.0 0.373 259.7 2112.0 0.369 261.5 2113.0 0.364 263.3 2114.0 0.360 265.2 2115.0 0.355 267.1 2116.0 0.350 269.1 2117.0 0.346 271.2 2118.0 0.341 273.3 2119.0 0.337 275.4 2120.0 0.332 277.6 2121.0 0.327 279.9 2122.0 0.323 282.3 2123.0 0.318 284.7 2124.0 0.314 287.1 2125.0 0.309 289.7 2126.0 0.305 292.3 2127.0 0.300 295.0 2128.0 0.296 297.8 2129.0 0.292 300.7 2130.0 0.288 303.6 2131.0 0.284 306.7 2132.0 0.280 309.8 2133.0 0.276 313.0 2134.0 0.272 316.3