| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:59:06 |
| WDS: | HO87AB | WDS ID/Discoverer |
| P: | 119.390 | Orbital period (years) |
| a: | 0.299 | Semi-major axis (arcseconds) |
| i: | 19.6 | Inclination (degrees) |
| Ω: | 210.5 | Longitude of ascending node (degrees) |
| T: | 1972.370 | Epoch of periastron passage (year) |
| e: | 0.599 | Eccentricity |
| ω: | 78.8 | Longitude of periastron (degrees) |
| Start-Year: | 1966.0 | Year |
| End-Year: | 2084.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 183836.74+163227.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18386+1632 | WDS designation |
| Discoverer Code: | HO87AB | Discover designation and components |
| ADS number: | 11530 | Aitken Double Star catalog |
| HD number: | 172246 | HD catalog number |
| Hipparcos number: | 91413 | Hipparcos catalog number |
| V1: | 8.34 | Magnitude of the primary |
| V2: | 8.98 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2019 | 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 0.448 101.6 ------------------------- 1966.0 0.167 213.7 1967.0 0.155 221.6 1968.0 0.144 230.7 1969.0 0.134 241.3 1970.0 0.124 253.6 1971.0 0.118 267.5 1972.0 0.114 282.8 1973.0 0.114 298.6 1974.0 0.117 314.0 1975.0 0.124 328.1 1976.0 0.133 340.4 1977.0 0.144 351.1 1978.0 0.156 0.1 1979.0 0.168 7.9 1980.0 0.180 14.6 1981.0 0.193 20.5 1982.0 0.205 25.7 1983.0 0.216 30.2 1984.0 0.228 34.4 1985.0 0.239 38.1 1986.0 0.249 41.5 1987.0 0.260 44.7 1988.0 0.270 47.6 1989.0 0.279 50.3 1990.0 0.288 52.8 1991.0 0.297 55.2 1992.0 0.306 57.4 1993.0 0.314 59.5 1994.0 0.322 61.5 1995.0 0.330 63.5 1996.0 0.337 65.3 1997.0 0.344 67.0 1998.0 0.351 68.7 1999.0 0.357 70.3 2000.0 0.363 71.9 2001.0 0.369 73.4 2002.0 0.375 74.9 2003.0 0.381 76.3 2004.0 0.386 77.7 2005.0 0.391 79.1 2006.0 0.396 80.4 2007.0 0.400 81.6 2008.0 0.405 82.9 2009.0 0.409 84.1 2010.0 0.413 85.3 2011.0 0.416 86.5 2012.0 0.420 87.7 2013.0 0.423 88.8 2014.0 0.426 90.0 2015.0 0.429 91.1 2016.0 0.432 92.2 2017.0 0.435 93.2 2018.0 0.437 94.3 2019.0 0.439 95.4 2020.0 0.441 96.4 2021.0 0.443 97.5 2022.0 0.445 98.5 2023.0 0.446 99.5 2024.0 0.447 100.5 2025.0 0.448 101.6 2026.0 0.449 102.6 2027.0 0.450 103.6 2028.0 0.451 104.6 2029.0 0.451 105.6 2030.0 0.451 106.6 2031.0 0.452 107.6 2032.0 0.451 108.6 2033.0 0.451 109.6 2034.0 0.451 110.6 2035.0 0.450 111.6 2036.0 0.449 112.6 2037.0 0.449 113.6 2038.0 0.447 114.6 2039.0 0.446 115.6 2040.0 0.445 116.6 2041.0 0.443 117.7 2042.0 0.441 118.7 2043.0 0.439 119.8 2044.0 0.437 120.8 2045.0 0.435 121.9 2046.0 0.433 123.0 2047.0 0.430 124.1 2048.0 0.427 125.2 2049.0 0.424 126.3 2050.0 0.421 127.4 2051.0 0.418 128.6 2052.0 0.414 129.8 2053.0 0.410 131.0 2054.0 0.406 132.2 2055.0 0.402 133.4 2056.0 0.398 134.7 2057.0 0.393 136.0 2058.0 0.389 137.3 2059.0 0.384 138.7 2060.0 0.379 140.1 2061.0 0.374 141.5 2062.0 0.368 143.0 2063.0 0.362 144.5 2064.0 0.356 146.1 2065.0 0.350 147.7 2066.0 0.344 149.4 2067.0 0.337 151.2 2068.0 0.330 153.0 2069.0 0.323 154.9 2070.0 0.316 156.9 2071.0 0.308 159.0 2072.0 0.300 161.2 2073.0 0.292 163.5 2074.0 0.284 166.0 2075.0 0.275 168.6 2076.0 0.266 171.3 2077.0 0.256 174.3 2078.0 0.247 177.5 2079.0 0.237 181.0 2080.0 0.227 184.8 2081.0 0.216 189.0 2082.0 0.205 193.6 2083.0 0.194 198.7