| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:32:22 |
| WDS: | A819AB | WDS ID/Discoverer |
| P: | 138.600 | Orbital period (years) |
| a: | 0.421 | Semi-major axis (arcseconds) |
| i: | 48.8 | Inclination (degrees) |
| Ω: | 154.1 | Longitude of ascending node (degrees) |
| T: | 2010.800 | Epoch of periastron passage (year) |
| e: | 0.546 | Eccentricity |
| ω: | 186.8 | Longitude of periastron (degrees) |
| Start-Year: | 1956.0 | Year |
| End-Year: | 2094.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 015701.33+310122.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01570+3101 | WDS designation |
| Discoverer Code: | A819AB | Discover designation and components |
| ADS number: | 1548 | Aitken Double Star catalog |
| HD number: | 11849 | HD catalog number |
| Hipparcos number: | 9087 | Hipparcos catalog number |
| V1: | 8.16 | Magnitude of the primary |
| V2: | 9.30 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2020 | 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 0.225 88.1 ------------------------- 1956.0 0.608 167.8 1957.0 0.603 168.5 1958.0 0.598 169.2 1959.0 0.592 169.9 1960.0 0.586 170.6 1961.0 0.580 171.4 1962.0 0.574 172.1 1963.0 0.567 172.9 1964.0 0.560 173.7 1965.0 0.553 174.5 1966.0 0.545 175.4 1967.0 0.538 176.3 1968.0 0.529 177.1 1969.0 0.521 178.1 1970.0 0.512 179.0 1971.0 0.503 180.0 1972.0 0.494 181.0 1973.0 0.485 182.1 1974.0 0.475 183.2 1975.0 0.465 184.3 1976.0 0.454 185.5 1977.0 0.444 186.8 1978.0 0.433 188.1 1979.0 0.422 189.5 1980.0 0.411 191.0 1981.0 0.399 192.5 1982.0 0.387 194.2 1983.0 0.375 195.9 1984.0 0.363 197.8 1985.0 0.351 199.8 1986.0 0.338 201.9 1987.0 0.326 204.2 1988.0 0.313 206.7 1989.0 0.301 209.4 1990.0 0.288 212.3 1991.0 0.276 215.5 1992.0 0.264 219.0 1993.0 0.252 222.9 1994.0 0.241 227.1 1995.0 0.230 231.6 1996.0 0.220 236.7 1997.0 0.211 242.2 1998.0 0.203 248.1 1999.0 0.196 254.5 2000.0 0.191 261.3 2001.0 0.187 268.4 2002.0 0.185 275.7 2003.0 0.184 283.2 2004.0 0.185 290.6 2005.0 0.186 298.0 2006.0 0.188 305.2 2007.0 0.190 312.3 2008.0 0.192 319.3 2009.0 0.192 326.2 2010.0 0.192 333.0 2011.0 0.190 340.0 2012.0 0.187 347.2 2013.0 0.182 354.6 2014.0 0.178 2.4 2015.0 0.173 10.7 2016.0 0.170 19.3 2017.0 0.168 28.2 2018.0 0.168 37.3 2019.0 0.170 46.2 2020.0 0.175 54.7 2021.0 0.181 62.8 2022.0 0.190 70.2 2023.0 0.201 76.8 2024.0 0.212 82.8 2025.0 0.225 88.1 2026.0 0.238 92.9 2027.0 0.252 97.1 2028.0 0.266 100.9 2029.0 0.281 104.3 2030.0 0.295 107.3 2031.0 0.310 110.1 2032.0 0.324 112.7 2033.0 0.338 115.0 2034.0 0.352 117.1 2035.0 0.366 119.1 2036.0 0.379 120.9 2037.0 0.392 122.6 2038.0 0.405 124.2 2039.0 0.418 125.7 2040.0 0.430 127.1 2041.0 0.442 128.5 2042.0 0.453 129.7 2043.0 0.464 131.0 2044.0 0.475 132.1 2045.0 0.486 133.2 2046.0 0.496 134.3 2047.0 0.506 135.3 2048.0 0.515 136.2 2049.0 0.524 137.2 2050.0 0.533 138.1 2051.0 0.541 139.0 2052.0 0.550 139.8 2053.0 0.557 140.7 2054.0 0.565 141.5 2055.0 0.572 142.3 2056.0 0.579 143.0 2057.0 0.585 143.8 2058.0 0.591 144.5 2059.0 0.597 145.2 2060.0 0.603 145.9 2061.0 0.608 146.6 2062.0 0.613 147.3 2063.0 0.617 148.0 2064.0 0.621 148.6 2065.0 0.625 149.3 2066.0 0.629 149.9 2067.0 0.632 150.6 2068.0 0.635 151.2 2069.0 0.638 151.8 2070.0 0.640 152.5 2071.0 0.643 153.1 2072.0 0.644 153.7 2073.0 0.646 154.3 2074.0 0.647 154.9 2075.0 0.648 155.5 2076.0 0.649 156.1 2077.0 0.649 156.7 2078.0 0.649 157.3 2079.0 0.649 157.9 2080.0 0.648 158.5 2081.0 0.648 159.1 2082.0 0.646 159.7 2083.0 0.645 160.4 2084.0 0.643 161.0 2085.0 0.641 161.6 2086.0 0.639 162.2 2087.0 0.637 162.8 2088.0 0.634 163.5 2089.0 0.631 164.1 2090.0 0.627 164.7 2091.0 0.624 165.4 2092.0 0.620 166.0 2093.0 0.616 166.7