| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:06:28 |
| WDS: | I254 | WDS ID/Discoverer |
| P: | 152.300 | Orbital period (years) |
| a: | 0.519 | Semi-major axis (arcseconds) |
| i: | 80.2 | Inclination (degrees) |
| Ω: | 34.4 | Longitude of ascending node (degrees) |
| T: | 1980.000 | Epoch of periastron passage (year) |
| e: | 0.879 | Eccentricity |
| ω: | 167.2 | Longitude of periastron (degrees) |
| Start-Year: | 1949.0 | Year |
| End-Year: | 2101.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 193031.57-482609.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19305-4826 | WDS designation |
| Discoverer Code: | I254 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 183180 | HD catalog number |
| Hipparcos number: | 95925 | Hipparcos catalog number |
| V1: | 8.69 | Magnitude of the primary |
| V2: | 8.81 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2017 | Date of last observation |
| Orbit grade: | 3 | 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 0.795 30.2 ------------------------- 1949.0 0.730 35.2 1950.0 0.717 35.3 1951.0 0.704 35.4 1952.0 0.691 35.5 1953.0 0.677 35.6 1954.0 0.662 35.7 1955.0 0.647 35.8 1956.0 0.632 36.0 1957.0 0.615 36.1 1958.0 0.599 36.2 1959.0 0.581 36.4 1960.0 0.563 36.5 1961.0 0.545 36.7 1962.0 0.525 36.9 1963.0 0.505 37.1 1964.0 0.484 37.3 1965.0 0.462 37.5 1966.0 0.439 37.8 1967.0 0.415 38.1 1968.0 0.390 38.4 1969.0 0.364 38.8 1970.0 0.336 39.2 1971.0 0.307 39.7 1972.0 0.276 40.3 1973.0 0.243 41.0 1974.0 0.208 42.1 1975.0 0.170 43.5 1976.0 0.130 45.9 1977.0 0.085 50.5 1978.0 0.038 66.6 1979.0 0.025 181.2 1980.0 0.061 212.2 1981.0 0.055 225.8 1982.0 0.030 257.1 1983.0 0.031 331.2 1984.0 0.059 0.9 1985.0 0.091 10.6 1986.0 0.122 15.2 1987.0 0.153 18.0 1988.0 0.182 19.8 1989.0 0.210 21.2 1990.0 0.236 22.2 1991.0 0.262 23.1 1992.0 0.287 23.7 1993.0 0.311 24.3 1994.0 0.334 24.8 1995.0 0.357 25.3 1996.0 0.378 25.6 1997.0 0.399 26.0 1998.0 0.419 26.3 1999.0 0.439 26.6 2000.0 0.458 26.8 2001.0 0.477 27.1 2002.0 0.495 27.3 2003.0 0.512 27.5 2004.0 0.529 27.7 2005.0 0.546 27.9 2006.0 0.562 28.0 2007.0 0.577 28.2 2008.0 0.593 28.3 2009.0 0.607 28.5 2010.0 0.622 28.6 2011.0 0.636 28.7 2012.0 0.649 28.9 2013.0 0.662 29.0 2014.0 0.675 29.1 2015.0 0.688 29.2 2016.0 0.700 29.3 2017.0 0.712 29.4 2018.0 0.723 29.5 2019.0 0.734 29.6 2020.0 0.745 29.7 2021.0 0.756 29.8 2022.0 0.766 29.9 2023.0 0.776 30.0 2024.0 0.785 30.1 2025.0 0.795 30.2 2026.0 0.804 30.2 2027.0 0.812 30.3 2028.0 0.821 30.4 2029.0 0.829 30.5 2030.0 0.837 30.5 2031.0 0.844 30.6 2032.0 0.852 30.7 2033.0 0.859 30.8 2034.0 0.866 30.8 2035.0 0.872 30.9 2036.0 0.878 31.0 2037.0 0.884 31.0 2038.0 0.890 31.1 2039.0 0.896 31.2 2040.0 0.901 31.2 2041.0 0.906 31.3 2042.0 0.911 31.3 2043.0 0.915 31.4 2044.0 0.920 31.5 2045.0 0.924 31.5 2046.0 0.927 31.6 2047.0 0.931 31.7 2048.0 0.934 31.7 2049.0 0.937 31.8 2050.0 0.940 31.8 2051.0 0.942 31.9 2052.0 0.945 31.9 2053.0 0.947 32.0 2054.0 0.949 32.1 2055.0 0.950 32.1 2056.0 0.951 32.2 2057.0 0.953 32.2 2058.0 0.953 32.3 2059.0 0.954 32.3 2060.0 0.954 32.4 2061.0 0.954 32.5 2062.0 0.954 32.5 2063.0 0.954 32.6 2064.0 0.953 32.6 2065.0 0.952 32.7 2066.0 0.951 32.7 2067.0 0.950 32.8 2068.0 0.948 32.9 2069.0 0.946 32.9 2070.0 0.944 33.0 2071.0 0.942 33.0 2072.0 0.939 33.1 2073.0 0.936 33.2 2074.0 0.933 33.2 2075.0 0.930 33.3 2076.0 0.926 33.3 2077.0 0.922 33.4 2078.0 0.918 33.5 2079.0 0.913 33.5 2080.0 0.908 33.6 2081.0 0.903 33.6 2082.0 0.898 33.7 2083.0 0.892 33.8 2084.0 0.886 33.8 2085.0 0.880 33.9 2086.0 0.873 34.0 2087.0 0.866 34.0 2088.0 0.859 34.1 2089.0 0.851 34.2 2090.0 0.844 34.2 2091.0 0.835 34.3 2092.0 0.827 34.4 2093.0 0.818 34.5 2094.0 0.809 34.5 2095.0 0.799 34.6 2096.0 0.789 34.7 2097.0 0.779 34.8 2098.0 0.768 34.9 2099.0 0.757 35.0 2100.0 0.745 35.1