| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:57:16 |
| WDS: | HO566 | WDS ID/Discoverer |
| P: | 119.870 | Orbital period (years) |
| a: | 0.376 | Semi-major axis (arcseconds) |
| i: | 105.2 | Inclination (degrees) |
| Ω: | 154.1 | Longitude of ascending node (degrees) |
| T: | 1968.650 | Epoch of periastron passage (year) |
| e: | 0.784 | Eccentricity |
| ω: | 223.7 | Longitude of periastron (degrees) |
| Start-Year: | 1966.0 | Year |
| End-Year: | 2084.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 182333.28-261017.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18236-2610 | WDS designation |
| Discoverer Code: | HO566 | Discover designation and components |
| ADS number: | 11296 | Aitken Double Star catalog |
| HD number: | 168991 | HD catalog number |
| Hipparcos number: | 90128 | Hipparcos catalog number |
| V1: | 7.97 | Magnitude of the primary |
| V2: | 9.55 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2010 | 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 0.514 141.0 ------------------------- 1966.0 0.105 344.1 1967.0 0.099 337.5 1968.0 0.081 329.1 1969.0 0.048 311.7 1970.0 0.025 236.4 1971.0 0.058 182.5 1972.0 0.098 170.4 1973.0 0.135 165.2 1974.0 0.169 162.2 1975.0 0.199 160.2 1976.0 0.226 158.6 1977.0 0.251 157.4 1978.0 0.274 156.4 1979.0 0.295 155.6 1980.0 0.315 154.8 1981.0 0.333 154.2 1982.0 0.349 153.6 1983.0 0.365 153.0 1984.0 0.379 152.5 1985.0 0.393 152.1 1986.0 0.405 151.6 1987.0 0.417 151.2 1988.0 0.428 150.8 1989.0 0.439 150.5 1990.0 0.448 150.1 1991.0 0.457 149.8 1992.0 0.465 149.5 1993.0 0.473 149.1 1994.0 0.480 148.8 1995.0 0.487 148.5 1996.0 0.493 148.3 1997.0 0.499 148.0 1998.0 0.504 147.7 1999.0 0.509 147.4 2000.0 0.513 147.2 2001.0 0.517 146.9 2002.0 0.521 146.7 2003.0 0.524 146.4 2004.0 0.527 146.2 2005.0 0.529 145.9 2006.0 0.531 145.7 2007.0 0.533 145.4 2008.0 0.534 145.2 2009.0 0.536 144.9 2010.0 0.536 144.7 2011.0 0.537 144.4 2012.0 0.537 144.2 2013.0 0.537 144.0 2014.0 0.536 143.7 2015.0 0.536 143.5 2016.0 0.535 143.2 2017.0 0.533 143.0 2018.0 0.532 142.8 2019.0 0.530 142.5 2020.0 0.528 142.3 2021.0 0.526 142.0 2022.0 0.523 141.8 2023.0 0.520 141.5 2024.0 0.517 141.3 2025.0 0.514 141.0 2026.0 0.510 140.7 2027.0 0.506 140.5 2028.0 0.502 140.2 2029.0 0.498 139.9 2030.0 0.494 139.6 2031.0 0.489 139.4 2032.0 0.484 139.1 2033.0 0.479 138.8 2034.0 0.473 138.5 2035.0 0.468 138.1 2036.0 0.462 137.8 2037.0 0.456 137.5 2038.0 0.450 137.2 2039.0 0.443 136.8 2040.0 0.437 136.5 2041.0 0.430 136.1 2042.0 0.423 135.7 2043.0 0.415 135.3 2044.0 0.408 134.9 2045.0 0.400 134.5 2046.0 0.392 134.0 2047.0 0.384 133.6 2048.0 0.376 133.1 2049.0 0.367 132.6 2050.0 0.358 132.1 2051.0 0.350 131.5 2052.0 0.340 130.9 2053.0 0.331 130.3 2054.0 0.322 129.7 2055.0 0.312 129.0 2056.0 0.302 128.3 2057.0 0.292 127.5 2058.0 0.282 126.6 2059.0 0.271 125.7 2060.0 0.261 124.8 2061.0 0.250 123.7 2062.0 0.239 122.5 2063.0 0.228 121.3 2064.0 0.217 119.9 2065.0 0.205 118.3 2066.0 0.194 116.6 2067.0 0.183 114.6 2068.0 0.171 112.4 2069.0 0.160 109.9 2070.0 0.148 107.0 2071.0 0.137 103.6 2072.0 0.126 99.6 2073.0 0.116 94.8 2074.0 0.106 89.2 2075.0 0.097 82.4 2076.0 0.089 74.4 2077.0 0.083 65.1 2078.0 0.080 54.6 2079.0 0.078 43.5 2080.0 0.079 32.3 2081.0 0.083 21.7 2082.0 0.088 12.1 2083.0 0.094 3.7