| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:00:35 |
| WDS: | I413 | WDS ID/Discoverer |
| P: | 142.400 | Orbital period (years) |
| a: | 0.484 | Semi-major axis (arcseconds) |
| i: | 31.7 | Inclination (degrees) |
| Ω: | 95.9 | Longitude of ascending node (degrees) |
| T: | 1968.600 | Epoch of periastron passage (year) |
| e: | 0.75 | Eccentricity |
| ω: | 69.7 | Longitude of periastron (degrees) |
| Start-Year: | 1954.0 | Year |
| End-Year: | 2096.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 042731.65-242726.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04275-2427 | WDS designation |
| Discoverer Code: | I413 | Discover designation and components |
| ADS number: | 3241 | Aitken Double Star catalog |
| HD number: | 28368 | HD catalog number |
| Hipparcos number: | 20807 | Hipparcos catalog number |
| V1: | 8.51 | Magnitude of the primary |
| V2: | 9.48 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | Date of last observation |
| Orbit grade: | 4 | 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 0.729 333.3 ------------------------- 1954.0 0.369 38.9 1955.0 0.354 41.4 1956.0 0.340 44.2 1957.0 0.324 47.2 1958.0 0.308 50.5 1959.0 0.292 54.2 1960.0 0.275 58.4 1961.0 0.256 63.1 1962.0 0.238 68.6 1963.0 0.218 75.0 1964.0 0.197 82.8 1965.0 0.175 92.5 1966.0 0.152 105.0 1967.0 0.130 121.9 1968.0 0.111 145.2 1969.0 0.104 174.6 1970.0 0.113 203.5 1971.0 0.134 225.7 1972.0 0.161 241.1 1973.0 0.188 252.2 1974.0 0.215 260.4 1975.0 0.241 266.8 1976.0 0.266 272.0 1977.0 0.289 276.4 1978.0 0.311 280.1 1979.0 0.332 283.3 1980.0 0.351 286.2 1981.0 0.370 288.7 1982.0 0.388 291.0 1983.0 0.405 293.2 1984.0 0.421 295.1 1985.0 0.437 296.9 1986.0 0.452 298.6 1987.0 0.466 300.2 1988.0 0.480 301.7 1989.0 0.493 303.1 1990.0 0.505 304.4 1991.0 0.517 305.7 1992.0 0.529 306.9 1993.0 0.540 308.1 1994.0 0.551 309.2 1995.0 0.561 310.3 1996.0 0.571 311.3 1997.0 0.581 312.3 1998.0 0.590 313.3 1999.0 0.598 314.3 2000.0 0.607 315.2 2001.0 0.615 316.1 2002.0 0.623 316.9 2003.0 0.630 317.8 2004.0 0.637 318.6 2005.0 0.644 319.4 2006.0 0.651 320.2 2007.0 0.657 321.0 2008.0 0.663 321.8 2009.0 0.669 322.5 2010.0 0.674 323.3 2011.0 0.680 324.0 2012.0 0.685 324.7 2013.0 0.689 325.4 2014.0 0.694 326.1 2015.0 0.698 326.8 2016.0 0.702 327.5 2017.0 0.706 328.1 2018.0 0.710 328.8 2019.0 0.713 329.5 2020.0 0.716 330.1 2021.0 0.719 330.8 2022.0 0.722 331.4 2023.0 0.724 332.0 2024.0 0.727 332.7 2025.0 0.729 333.3 2026.0 0.731 333.9 2027.0 0.732 334.6 2028.0 0.734 335.2 2029.0 0.735 335.8 2030.0 0.736 336.4 2031.0 0.737 337.0 2032.0 0.738 337.6 2033.0 0.738 338.2 2034.0 0.739 338.9 2035.0 0.739 339.5 2036.0 0.739 340.1 2037.0 0.739 340.7 2038.0 0.738 341.3 2039.0 0.738 341.9 2040.0 0.737 342.5 2041.0 0.736 343.1 2042.0 0.735 343.8 2043.0 0.733 344.4 2044.0 0.732 345.0 2045.0 0.730 345.6 2046.0 0.728 346.2 2047.0 0.726 346.9 2048.0 0.724 347.5 2049.0 0.722 348.1 2050.0 0.719 348.8 2051.0 0.716 349.4 2052.0 0.713 350.1 2053.0 0.710 350.7 2054.0 0.707 351.4 2055.0 0.703 352.1 2056.0 0.700 352.8 2057.0 0.696 353.4 2058.0 0.692 354.1 2059.0 0.687 354.8 2060.0 0.683 355.5 2061.0 0.678 356.3 2062.0 0.674 357.0 2063.0 0.669 357.7 2064.0 0.663 358.5 2065.0 0.658 359.2 2066.0 0.652 0.0 2067.0 0.647 0.8 2068.0 0.641 1.6 2069.0 0.634 2.4 2070.0 0.628 3.3 2071.0 0.621 4.1 2072.0 0.615 5.0 2073.0 0.607 5.9 2074.0 0.600 6.8 2075.0 0.593 7.7 2076.0 0.585 8.7 2077.0 0.577 9.7 2078.0 0.569 10.7 2079.0 0.561 11.8 2080.0 0.552 12.8 2081.0 0.543 13.9 2082.0 0.534 15.1 2083.0 0.524 16.3 2084.0 0.515 17.5 2085.0 0.505 18.8 2086.0 0.495 20.1 2087.0 0.484 21.5 2088.0 0.473 23.0 2089.0 0.462 24.5 2090.0 0.451 26.1 2091.0 0.439 27.8 2092.0 0.427 29.6 2093.0 0.414 31.5 2094.0 0.401 33.5 2095.0 0.388 35.6