| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:29:33 |
| WDS: | STF3091AB | WDS ID/Discoverer |
| P: | 143.220 | Orbital period (years) |
| a: | 0.691 | Semi-major axis (arcseconds) |
| i: | 93.0 | Inclination (degrees) |
| Ω: | 225.2 | Longitude of ascending node (degrees) |
| T: | 2027.990 | Epoch of periastron passage (year) |
| e: | 0.799 | Eccentricity |
| ω: | 104.7 | Longitude of periastron (degrees) |
| Start-Year: | 1954.0 | Year |
| End-Year: | 2096.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 151601.56-045352.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 15160-0454 | WDS designation |
| Discoverer Code: | STF3091AB | Discover designation and components |
| ADS number: | 9557 | Aitken Double Star catalog |
| HD number: | 135578 | HD catalog number |
| Hipparcos number: | 74703 | Hipparcos catalog number |
| V1: | 7.74 | Magnitude of the primary |
| V2: | 8.48 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 2 | 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 0.199 223.8 ------------------------- 1954.0 0.299 237.4 1955.0 0.308 237.0 1956.0 0.318 236.6 1957.0 0.328 236.3 1958.0 0.337 235.9 1959.0 0.346 235.6 1960.0 0.356 235.3 1961.0 0.365 235.0 1962.0 0.374 234.7 1963.0 0.383 234.5 1964.0 0.392 234.2 1965.0 0.400 234.0 1966.0 0.409 233.7 1967.0 0.417 233.5 1968.0 0.426 233.3 1969.0 0.434 233.1 1970.0 0.442 232.9 1971.0 0.450 232.7 1972.0 0.457 232.5 1973.0 0.465 232.3 1974.0 0.472 232.2 1975.0 0.479 232.0 1976.0 0.486 231.8 1977.0 0.493 231.7 1978.0 0.500 231.5 1979.0 0.506 231.4 1980.0 0.513 231.2 1981.0 0.519 231.1 1982.0 0.524 231.0 1983.0 0.530 230.8 1984.0 0.535 230.7 1985.0 0.540 230.6 1986.0 0.545 230.4 1987.0 0.550 230.3 1988.0 0.554 230.2 1989.0 0.558 230.1 1990.0 0.562 229.9 1991.0 0.565 229.8 1992.0 0.568 229.7 1993.0 0.571 229.6 1994.0 0.574 229.5 1995.0 0.576 229.4 1996.0 0.577 229.2 1997.0 0.579 229.1 1998.0 0.579 229.0 1999.0 0.580 228.9 2000.0 0.580 228.8 2001.0 0.579 228.7 2002.0 0.578 228.6 2003.0 0.576 228.5 2004.0 0.574 228.3 2005.0 0.571 228.2 2006.0 0.568 228.1 2007.0 0.563 228.0 2008.0 0.558 227.9 2009.0 0.552 227.7 2010.0 0.545 227.6 2011.0 0.538 227.5 2012.0 0.529 227.4 2013.0 0.518 227.2 2014.0 0.507 227.1 2015.0 0.494 226.9 2016.0 0.479 226.8 2017.0 0.463 226.6 2018.0 0.444 226.4 2019.0 0.422 226.2 2020.0 0.398 226.0 2021.0 0.370 225.7 2022.0 0.337 225.4 2023.0 0.299 225.1 2024.0 0.254 224.6 2025.0 0.199 223.8 2026.0 0.133 222.4 2027.0 0.053 217.1 2028.0 0.037 56.2 2029.0 0.117 47.7 2030.0 0.177 45.9 2031.0 0.219 44.9 2032.0 0.248 44.3 2033.0 0.268 43.7 2034.0 0.281 43.2 2035.0 0.290 42.7 2036.0 0.296 42.3 2037.0 0.298 41.9 2038.0 0.299 41.4 2039.0 0.298 41.0 2040.0 0.295 40.6 2041.0 0.292 40.1 2042.0 0.287 39.7 2043.0 0.281 39.2 2044.0 0.275 38.7 2045.0 0.268 38.2 2046.0 0.261 37.7 2047.0 0.253 37.1 2048.0 0.245 36.5 2049.0 0.236 35.9 2050.0 0.227 35.1 2051.0 0.218 34.4 2052.0 0.209 33.6 2053.0 0.199 32.6 2054.0 0.189 31.6 2055.0 0.180 30.5 2056.0 0.170 29.3 2057.0 0.160 27.9 2058.0 0.150 26.3 2059.0 0.140 24.5 2060.0 0.130 22.4 2061.0 0.120 20.0 2062.0 0.110 17.2 2063.0 0.101 13.8 2064.0 0.092 9.7 2065.0 0.084 4.8 2066.0 0.076 358.9 2067.0 0.069 351.6 2068.0 0.063 342.9 2069.0 0.059 332.9 2070.0 0.058 321.8 2071.0 0.058 310.4 2072.0 0.061 299.6 2073.0 0.065 289.9 2074.0 0.071 281.7 2075.0 0.078 274.9 2076.0 0.086 269.3 2077.0 0.095 264.7 2078.0 0.104 260.9 2079.0 0.114 257.7 2080.0 0.124 255.0 2081.0 0.134 252.7 2082.0 0.144 250.8 2083.0 0.154 249.0 2084.0 0.164 247.6 2085.0 0.174 246.2 2086.0 0.185 245.1 2087.0 0.195 244.0 2088.0 0.205 243.1 2089.0 0.216 242.2 2090.0 0.226 241.4 2091.0 0.236 240.7 2092.0 0.246 240.1 2093.0 0.257 239.5 2094.0 0.267 238.9 2095.0 0.277 238.4