| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:58:11 |
| WDS: | STT217 | WDS ID/Discoverer |
| P: | 139.789 | Orbital period (years) |
| a: | 0.47 | Semi-major axis (arcseconds) |
| i: | 47.3 | Inclination (degrees) |
| Ω: | 121.2 | Longitude of ascending node (degrees) |
| T: | 1966.983 | Epoch of periastron passage (year) |
| e: | 0.984 | Eccentricity |
| ω: | 219.9 | Longitude of periastron (degrees) |
| Start-Year: | 1956.0 | Year |
| End-Year: | 2094.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 102653.01+171309.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 10269+1713 | WDS designation |
| Discoverer Code: | STT217 | Discover designation and components |
| ADS number: | 7775 | Aitken Double Star catalog |
| HD number: | 90444 | HD catalog number |
| Hipparcos number: | 51145 | Hipparcos catalog number |
| V1: | 7.85 | Magnitude of the primary |
| V2: | 8.58 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2012 | 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 0.814 149.5 ------------------------- 1956.0 0.348 161.4 1957.0 0.328 162.0 1958.0 0.306 162.6 1959.0 0.283 163.4 1960.0 0.259 164.4 1961.0 0.234 165.5 1962.0 0.206 166.9 1963.0 0.176 168.8 1964.0 0.144 171.5 1965.0 0.107 176.0 1966.0 0.063 186.0 1967.0 0.006 1.8 1968.0 0.090 126.6 1969.0 0.141 131.9 1970.0 0.183 134.5 1971.0 0.219 136.2 1972.0 0.251 137.5 1973.0 0.280 138.5 1974.0 0.307 139.3 1975.0 0.332 139.9 1976.0 0.355 140.5 1977.0 0.377 141.0 1978.0 0.398 141.5 1979.0 0.418 141.9 1980.0 0.437 142.3 1981.0 0.455 142.6 1982.0 0.472 142.9 1983.0 0.489 143.2 1984.0 0.505 143.5 1985.0 0.520 143.8 1986.0 0.535 144.0 1987.0 0.549 144.3 1988.0 0.562 144.5 1989.0 0.575 144.7 1990.0 0.587 144.9 1991.0 0.599 145.1 1992.0 0.611 145.3 1993.0 0.622 145.5 1994.0 0.633 145.6 1995.0 0.643 145.8 1996.0 0.653 146.0 1997.0 0.663 146.1 1998.0 0.672 146.3 1999.0 0.681 146.4 2000.0 0.690 146.6 2001.0 0.698 146.7 2002.0 0.706 146.9 2003.0 0.713 147.0 2004.0 0.721 147.1 2005.0 0.728 147.3 2006.0 0.735 147.4 2007.0 0.741 147.5 2008.0 0.747 147.7 2009.0 0.753 147.8 2010.0 0.759 147.9 2011.0 0.764 148.0 2012.0 0.769 148.1 2013.0 0.774 148.2 2014.0 0.779 148.4 2015.0 0.783 148.5 2016.0 0.787 148.6 2017.0 0.791 148.7 2018.0 0.795 148.8 2019.0 0.798 148.9 2020.0 0.802 149.0 2021.0 0.805 149.1 2022.0 0.807 149.2 2023.0 0.810 149.3 2024.0 0.812 149.4 2025.0 0.814 149.5 2026.0 0.816 149.6 2027.0 0.818 149.7 2028.0 0.819 149.9 2029.0 0.820 150.0 2030.0 0.821 150.1 2031.0 0.822 150.2 2032.0 0.823 150.3 2033.0 0.823 150.4 2034.0 0.823 150.5 2035.0 0.823 150.6 2036.0 0.823 150.7 2037.0 0.822 150.8 2038.0 0.822 150.9 2039.0 0.821 151.0 2040.0 0.820 151.1 2041.0 0.818 151.2 2042.0 0.817 151.3 2043.0 0.815 151.4 2044.0 0.813 151.5 2045.0 0.811 151.6 2046.0 0.808 151.7 2047.0 0.806 151.8 2048.0 0.803 151.9 2049.0 0.800 152.0 2050.0 0.797 152.1 2051.0 0.793 152.2 2052.0 0.790 152.3 2053.0 0.786 152.5 2054.0 0.782 152.6 2055.0 0.777 152.7 2056.0 0.773 152.8 2057.0 0.768 152.9 2058.0 0.763 153.0 2059.0 0.757 153.1 2060.0 0.752 153.3 2061.0 0.746 153.4 2062.0 0.740 153.5 2063.0 0.734 153.6 2064.0 0.728 153.8 2065.0 0.721 153.9 2066.0 0.714 154.0 2067.0 0.707 154.2 2068.0 0.699 154.3 2069.0 0.691 154.4 2070.0 0.683 154.6 2071.0 0.675 154.7 2072.0 0.666 154.9 2073.0 0.657 155.1 2074.0 0.648 155.2 2075.0 0.639 155.4 2076.0 0.629 155.5 2077.0 0.619 155.7 2078.0 0.608 155.9 2079.0 0.597 156.1 2080.0 0.586 156.3 2081.0 0.575 156.5 2082.0 0.563 156.7 2083.0 0.550 156.9 2084.0 0.538 157.2 2085.0 0.524 157.4 2086.0 0.511 157.7 2087.0 0.497 157.9 2088.0 0.482 158.2 2089.0 0.467 158.5 2090.0 0.452 158.9 2091.0 0.435 159.2 2092.0 0.418 159.6 2093.0 0.401 160.0