| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:32:11 |
| WDS: | A2407 | WDS ID/Discoverer |
| P: | 184.400 | Orbital period (years) |
| a: | 0.757 | Semi-major axis (arcseconds) |
| i: | 48.0 | Inclination (degrees) |
| Ω: | 181.2 | Longitude of ascending node (degrees) |
| T: | 1976.000 | Epoch of periastron passage (year) |
| e: | 0.113 | Eccentricity |
| ω: | 49.3 | Longitude of periastron (degrees) |
| Start-Year: | 1933.0 | Year |
| End-Year: | 2117.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 015522.03+025724.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01554+0257 | WDS designation |
| Discoverer Code: | A2407 | Discover designation and components |
| ADS number: | 1530 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 8958 | Hipparcos catalog number |
| V1: | 10.05 | Magnitude of the primary |
| V2: | 10.50 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2015 | 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 0.743 345.8 ------------------------- 1933.0 0.633 145.0 1934.0 0.639 146.8 1935.0 0.645 148.6 1936.0 0.651 150.4 1937.0 0.656 152.1 1938.0 0.662 153.8 1939.0 0.667 155.5 1940.0 0.672 157.2 1941.0 0.676 158.8 1942.0 0.680 160.4 1943.0 0.684 162.0 1944.0 0.688 163.6 1945.0 0.691 165.2 1946.0 0.694 166.7 1947.0 0.696 168.3 1948.0 0.698 169.8 1949.0 0.699 171.3 1950.0 0.700 172.8 1951.0 0.701 174.3 1952.0 0.701 175.9 1953.0 0.700 177.4 1954.0 0.699 178.9 1955.0 0.697 180.4 1956.0 0.695 182.0 1957.0 0.692 183.5 1958.0 0.689 185.1 1959.0 0.685 186.6 1960.0 0.681 188.2 1961.0 0.676 189.9 1962.0 0.670 191.5 1963.0 0.664 193.2 1964.0 0.658 194.9 1965.0 0.651 196.6 1966.0 0.644 198.4 1967.0 0.636 200.2 1968.0 0.628 202.1 1969.0 0.620 204.0 1970.0 0.611 205.9 1971.0 0.602 208.0 1972.0 0.593 210.0 1973.0 0.583 212.2 1974.0 0.574 214.4 1975.0 0.564 216.7 1976.0 0.555 219.1 1977.0 0.545 221.5 1978.0 0.536 224.1 1979.0 0.527 226.7 1980.0 0.518 229.4 1981.0 0.509 232.3 1982.0 0.501 235.2 1983.0 0.494 238.2 1984.0 0.487 241.3 1985.0 0.480 244.5 1986.0 0.475 247.7 1987.0 0.470 251.1 1988.0 0.466 254.5 1989.0 0.463 257.9 1990.0 0.461 261.4 1991.0 0.460 264.9 1992.0 0.460 268.4 1993.0 0.461 271.9 1994.0 0.463 275.4 1995.0 0.466 278.9 1996.0 0.470 282.3 1997.0 0.475 285.6 1998.0 0.480 288.9 1999.0 0.487 292.1 2000.0 0.494 295.1 2001.0 0.502 298.1 2002.0 0.511 301.0 2003.0 0.520 303.8 2004.0 0.530 306.5 2005.0 0.540 309.1 2006.0 0.550 311.7 2007.0 0.561 314.1 2008.0 0.571 316.4 2009.0 0.582 318.6 2010.0 0.593 320.8 2011.0 0.605 322.8 2012.0 0.616 324.8 2013.0 0.627 326.8 2014.0 0.638 328.6 2015.0 0.649 330.4 2016.0 0.659 332.2 2017.0 0.670 333.9 2018.0 0.680 335.5 2019.0 0.690 337.1 2020.0 0.700 338.6 2021.0 0.709 340.1 2022.0 0.718 341.6 2023.0 0.727 343.0 2024.0 0.735 344.4 2025.0 0.743 345.8 2026.0 0.751 347.1 2027.0 0.758 348.4 2028.0 0.764 349.7 2029.0 0.771 350.9 2030.0 0.777 352.2 2031.0 0.782 353.4 2032.0 0.787 354.6 2033.0 0.792 355.8 2034.0 0.796 357.0 2035.0 0.799 358.2 2036.0 0.803 359.3 2037.0 0.805 0.5 2038.0 0.808 1.6 2039.0 0.809 2.8 2040.0 0.811 3.9 2041.0 0.812 5.0 2042.0 0.812 6.1 2043.0 0.812 7.3 2044.0 0.812 8.4 2045.0 0.811 9.5 2046.0 0.810 10.7 2047.0 0.808 11.8 2048.0 0.806 12.9 2049.0 0.804 14.1 2050.0 0.801 15.2 2051.0 0.798 16.4 2052.0 0.794 17.6 2053.0 0.790 18.8 2054.0 0.786 20.0 2055.0 0.781 21.2 2056.0 0.776 22.4 2057.0 0.771 23.6 2058.0 0.766 24.9 2059.0 0.760 26.2 2060.0 0.754 27.5 2061.0 0.747 28.8 2062.0 0.741 30.1 2063.0 0.734 31.5 2064.0 0.727 32.9 2065.0 0.720 34.3 2066.0 0.713 35.8 2067.0 0.705 37.3 2068.0 0.698 38.8 2069.0 0.690 40.3 2070.0 0.682 41.9 2071.0 0.675 43.5 2072.0 0.667 45.2 2073.0 0.659 46.9 2074.0 0.651 48.6 2075.0 0.644 50.4 2076.0 0.636 52.2 2077.0 0.629 54.0 2078.0 0.621 56.0 2079.0 0.614 57.9 2080.0 0.607 59.9 2081.0 0.600 61.9 2082.0 0.594 64.0 2083.0 0.588 66.2 2084.0 0.582 68.3 2085.0 0.576 70.5 2086.0 0.571 72.8 2087.0 0.567 75.1 2088.0 0.562 77.4 2089.0 0.558 79.8 2090.0 0.555 82.2 2091.0 0.552 84.6 2092.0 0.550 87.1 2093.0 0.548 89.6 2094.0 0.547 92.0 2095.0 0.546 94.5 2096.0 0.545 97.0 2097.0 0.546 99.5 2098.0 0.546 102.0 2099.0 0.548 104.5 2100.0 0.549 107.0 2101.0 0.552 109.4 2102.0 0.554 111.9 2103.0 0.557 114.3 2104.0 0.561 116.7 2105.0 0.565 119.0 2106.0 0.569 121.3 2107.0 0.574 123.6 2108.0 0.579 125.8 2109.0 0.584 128.0 2110.0 0.589 130.2 2111.0 0.595 132.3 2112.0 0.601 134.4 2113.0 0.607 136.4 2114.0 0.613 138.4 2115.0 0.619 140.4 2116.0 0.625 142.3