| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:02:12 |
| WDS: | A1591 | WDS ID/Discoverer |
| P: | 105.000 | Orbital period (years) |
| a: | 0.205 | Semi-major axis (arcseconds) |
| i: | 143.5 | Inclination (degrees) |
| Ω: | 52.5 | Longitude of ascending node (degrees) |
| T: | 1993.000 | Epoch of periastron passage (year) |
| e: | 0.45 | Eccentricity |
| ω: | 171.0 | Longitude of periastron (degrees) |
| Start-Year: | 1973.0 | Year |
| End-Year: | 2077.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 110534.65+544828.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11056+5448 | WDS designation |
| Discoverer Code: | A1591 | Discover designation and components |
| ADS number: | 8050 | Aitken Double Star catalog |
| HD number: | 96061 | HD catalog number |
| Hipparcos number: | 54216 | Hipparcos catalog number |
| V1: | 8.98 | Magnitude of the primary |
| V2: | 9.52 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1974 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.243 87.8 ------------------------- 1973.0 0.188 8.2 1974.0 0.181 5.2 1975.0 0.174 1.9 1976.0 0.167 358.4 1977.0 0.160 354.5 1978.0 0.154 350.3 1979.0 0.147 345.7 1980.0 0.140 340.7 1981.0 0.134 335.2 1982.0 0.128 329.2 1983.0 0.123 322.6 1984.0 0.118 315.5 1985.0 0.115 307.8 1986.0 0.112 299.7 1987.0 0.110 291.3 1988.0 0.109 282.6 1989.0 0.109 273.9 1990.0 0.109 265.1 1991.0 0.110 256.5 1992.0 0.111 248.0 1993.0 0.112 239.8 1994.0 0.113 231.6 1995.0 0.114 223.6 1996.0 0.115 215.7 1997.0 0.116 208.0 1998.0 0.116 200.3 1999.0 0.117 192.7 2000.0 0.119 185.3 2001.0 0.121 178.1 2002.0 0.123 171.1 2003.0 0.126 164.4 2004.0 0.129 158.1 2005.0 0.133 152.1 2006.0 0.138 146.5 2007.0 0.143 141.2 2008.0 0.148 136.3 2009.0 0.153 131.7 2010.0 0.159 127.5 2011.0 0.165 123.5 2012.0 0.171 119.8 2013.0 0.176 116.4 2014.0 0.182 113.2 2015.0 0.188 110.2 2016.0 0.194 107.3 2017.0 0.200 104.7 2018.0 0.206 102.2 2019.0 0.212 99.8 2020.0 0.217 97.6 2021.0 0.223 95.4 2022.0 0.228 93.4 2023.0 0.233 91.4 2024.0 0.238 89.6 2025.0 0.243 87.8 2026.0 0.247 86.0 2027.0 0.252 84.4 2028.0 0.256 82.8 2029.0 0.260 81.2 2030.0 0.264 79.7 2031.0 0.267 78.2 2032.0 0.271 76.8 2033.0 0.274 75.4 2034.0 0.277 74.0 2035.0 0.280 72.7 2036.0 0.282 71.4 2037.0 0.285 70.1 2038.0 0.287 68.8 2039.0 0.289 67.6 2040.0 0.290 66.4 2041.0 0.292 65.1 2042.0 0.293 63.9 2043.0 0.294 62.7 2044.0 0.295 61.5 2045.0 0.296 60.3 2046.0 0.296 59.2 2047.0 0.296 58.0 2048.0 0.296 56.8 2049.0 0.296 55.6 2050.0 0.296 54.4 2051.0 0.295 53.3 2052.0 0.294 52.1 2053.0 0.293 50.9 2054.0 0.291 49.7 2055.0 0.290 48.4 2056.0 0.288 47.2 2057.0 0.286 45.9 2058.0 0.283 44.7 2059.0 0.281 43.4 2060.0 0.278 42.0 2061.0 0.275 40.7 2062.0 0.272 39.3 2063.0 0.268 37.9 2064.0 0.265 36.4 2065.0 0.261 34.9 2066.0 0.256 33.4 2067.0 0.252 31.8 2068.0 0.247 30.1 2069.0 0.242 28.4 2070.0 0.237 26.6 2071.0 0.232 24.7 2072.0 0.226 22.7 2073.0 0.220 20.7 2074.0 0.214 18.5 2075.0 0.208 16.1 2076.0 0.202 13.7