| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:55:05 |
| WDS: | COU812 | WDS ID/Discoverer |
| P: | 173.330 | Orbital period (years) |
| a: | 0.57 | Semi-major axis (arcseconds) |
| i: | 40.0 | Inclination (degrees) |
| Ω: | 53.0 | Longitude of ascending node (degrees) |
| T: | 1950.720 | Epoch of periastron passage (year) |
| e: | 0.5 | Eccentricity |
| ω: | 77.8 | Longitude of periastron (degrees) |
| Start-Year: | 1939.0 | Year |
| End-Year: | 2111.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 180909.93+312910.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18092+3129 | WDS designation |
| Discoverer Code: | COU812 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 10.77 | Magnitude of the primary |
| V2: | 10.85 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 5 | 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 0.677 295.0 ------------------------- 1939.0 0.365 58.6 1940.0 0.352 62.1 1941.0 0.339 65.9 1942.0 0.325 69.9 1943.0 0.311 74.4 1944.0 0.296 79.2 1945.0 0.282 84.6 1946.0 0.268 90.5 1947.0 0.255 97.1 1948.0 0.243 104.3 1949.0 0.233 112.2 1950.0 0.225 120.8 1951.0 0.221 129.8 1952.0 0.219 139.1 1953.0 0.222 148.3 1954.0 0.227 157.2 1955.0 0.236 165.6 1956.0 0.247 173.3 1957.0 0.260 180.3 1958.0 0.274 186.6 1959.0 0.289 192.2 1960.0 0.305 197.3 1961.0 0.321 201.8 1962.0 0.338 206.0 1963.0 0.354 209.7 1964.0 0.369 213.1 1965.0 0.385 216.3 1966.0 0.400 219.2 1967.0 0.414 221.9 1968.0 0.428 224.4 1969.0 0.442 226.8 1970.0 0.455 229.0 1971.0 0.467 231.1 1972.0 0.479 233.1 1973.0 0.490 235.0 1974.0 0.501 236.9 1975.0 0.511 238.6 1976.0 0.521 240.3 1977.0 0.531 241.9 1978.0 0.540 243.5 1979.0 0.549 245.0 1980.0 0.557 246.4 1981.0 0.565 247.9 1982.0 0.572 249.3 1983.0 0.579 250.6 1984.0 0.586 251.9 1985.0 0.592 253.2 1986.0 0.599 254.5 1987.0 0.604 255.7 1988.0 0.610 256.9 1989.0 0.615 258.1 1990.0 0.620 259.3 1991.0 0.625 260.5 1992.0 0.629 261.6 1993.0 0.633 262.7 1994.0 0.637 263.8 1995.0 0.641 264.9 1996.0 0.644 266.0 1997.0 0.648 267.1 1998.0 0.651 268.1 1999.0 0.654 269.2 2000.0 0.656 270.2 2001.0 0.659 271.3 2002.0 0.661 272.3 2003.0 0.663 273.3 2004.0 0.665 274.3 2005.0 0.667 275.3 2006.0 0.669 276.3 2007.0 0.670 277.3 2008.0 0.672 278.3 2009.0 0.673 279.3 2010.0 0.674 280.3 2011.0 0.675 281.3 2012.0 0.676 282.3 2013.0 0.676 283.3 2014.0 0.677 284.2 2015.0 0.678 285.2 2016.0 0.678 286.2 2017.0 0.678 287.2 2018.0 0.678 288.1 2019.0 0.678 289.1 2020.0 0.678 290.1 2021.0 0.678 291.1 2022.0 0.678 292.0 2023.0 0.678 293.0 2024.0 0.677 294.0 2025.0 0.677 295.0 2026.0 0.676 295.9 2027.0 0.676 296.9 2028.0 0.675 297.9 2029.0 0.674 298.9 2030.0 0.673 299.9 2031.0 0.672 300.9 2032.0 0.671 301.8 2033.0 0.670 302.8 2034.0 0.669 303.8 2035.0 0.668 304.8 2036.0 0.667 305.8 2037.0 0.666 306.8 2038.0 0.664 307.9 2039.0 0.663 308.9 2040.0 0.662 309.9 2041.0 0.660 310.9 2042.0 0.659 312.0 2043.0 0.657 313.0 2044.0 0.655 314.0 2045.0 0.654 315.1 2046.0 0.652 316.1 2047.0 0.650 317.2 2048.0 0.649 318.2 2049.0 0.647 319.3 2050.0 0.645 320.4 2051.0 0.643 321.5 2052.0 0.641 322.5 2053.0 0.639 323.6 2054.0 0.637 324.7 2055.0 0.635 325.8 2056.0 0.633 326.9 2057.0 0.631 328.1 2058.0 0.629 329.2 2059.0 0.627 330.3 2060.0 0.625 331.5 2061.0 0.623 332.6 2062.0 0.620 333.8 2063.0 0.618 334.9 2064.0 0.616 336.1 2065.0 0.614 337.3 2066.0 0.611 338.5 2067.0 0.609 339.7 2068.0 0.606 340.9 2069.0 0.604 342.1 2070.0 0.601 343.4 2071.0 0.599 344.6 2072.0 0.596 345.9 2073.0 0.593 347.1 2074.0 0.591 348.4 2075.0 0.588 349.7 2076.0 0.585 351.0 2077.0 0.582 352.3 2078.0 0.579 353.7 2079.0 0.576 355.0 2080.0 0.573 356.4 2081.0 0.570 357.7 2082.0 0.566 359.1 2083.0 0.563 0.5 2084.0 0.559 1.9 2085.0 0.556 3.4 2086.0 0.552 4.8 2087.0 0.548 6.3 2088.0 0.544 7.8 2089.0 0.540 9.3 2090.0 0.536 10.9 2091.0 0.531 12.5 2092.0 0.527 14.1 2093.0 0.522 15.7 2094.0 0.517 17.4 2095.0 0.512 19.0 2096.0 0.506 20.8 2097.0 0.500 22.5 2098.0 0.494 24.4 2099.0 0.488 26.2 2100.0 0.481 28.1 2101.0 0.475 30.1 2102.0 0.467 32.1 2103.0 0.460 34.2 2104.0 0.452 36.3 2105.0 0.443 38.6 2106.0 0.434 40.9 2107.0 0.425 43.3 2108.0 0.415 45.9 2109.0 0.404 48.5 2110.0 0.393 51.4