| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:16:10 |
| WDS: | BU1052 | WDS ID/Discoverer |
| P: | 105.692 | Orbital period (years) |
| a: | 0.421 | Semi-major axis (arcseconds) |
| i: | 111.8 | Inclination (degrees) |
| Ω: | 169.2 | Longitude of ascending node (degrees) |
| T: | 1960.774 | Epoch of periastron passage (year) |
| e: | 0.819 | Eccentricity |
| ω: | 142.6 | Longitude of periastron (degrees) |
| Start-Year: | 1973.0 | Year |
| End-Year: | 2077.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 054140.34-025347.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 05417-0254 | WDS designation |
| Discoverer Code: | BU1052 | Discover designation and components |
| ADS number: | 4279 | Aitken Double Star catalog |
| HD number: | 37904 | HD catalog number |
| Hipparcos number: | 26820 | Hipparcos catalog number |
| V1: | 6.68 | Magnitude of the primary |
| V2: | 8.22 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 3 | 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 0.654 181.6 ------------------------- 1973.0 0.189 220.2 1974.0 0.206 216.9 1975.0 0.223 214.1 1976.0 0.240 211.7 1977.0 0.257 209.6 1978.0 0.273 207.7 1979.0 0.289 206.1 1980.0 0.305 204.7 1981.0 0.320 203.3 1982.0 0.335 202.1 1983.0 0.350 201.0 1984.0 0.364 200.0 1985.0 0.378 199.1 1986.0 0.392 198.2 1987.0 0.405 197.4 1988.0 0.418 196.7 1989.0 0.431 196.0 1990.0 0.443 195.3 1991.0 0.455 194.6 1992.0 0.467 194.0 1993.0 0.478 193.5 1994.0 0.489 192.9 1995.0 0.499 192.4 1996.0 0.509 191.9 1997.0 0.519 191.4 1998.0 0.529 190.9 1999.0 0.538 190.5 2000.0 0.546 190.0 2001.0 0.555 189.6 2002.0 0.563 189.2 2003.0 0.571 188.8 2004.0 0.578 188.4 2005.0 0.585 188.0 2006.0 0.592 187.7 2007.0 0.598 187.3 2008.0 0.605 186.9 2009.0 0.610 186.6 2010.0 0.616 186.2 2011.0 0.621 185.9 2012.0 0.626 185.6 2013.0 0.630 185.3 2014.0 0.634 184.9 2015.0 0.638 184.6 2016.0 0.641 184.3 2017.0 0.644 184.0 2018.0 0.646 183.7 2019.0 0.649 183.4 2020.0 0.650 183.1 2021.0 0.652 182.8 2022.0 0.653 182.5 2023.0 0.654 182.2 2024.0 0.654 181.9 2025.0 0.654 181.6 2026.0 0.654 181.3 2027.0 0.653 181.0 2028.0 0.651 180.7 2029.0 0.650 180.3 2030.0 0.647 180.0 2031.0 0.645 179.7 2032.0 0.642 179.4 2033.0 0.638 179.1 2034.0 0.634 178.8 2035.0 0.630 178.5 2036.0 0.625 178.1 2037.0 0.619 177.8 2038.0 0.613 177.5 2039.0 0.606 177.1 2040.0 0.599 176.8 2041.0 0.591 176.4 2042.0 0.582 176.0 2043.0 0.573 175.6 2044.0 0.563 175.2 2045.0 0.553 174.8 2046.0 0.542 174.4 2047.0 0.529 174.0 2048.0 0.516 173.5 2049.0 0.503 173.0 2050.0 0.488 172.5 2051.0 0.472 171.9 2052.0 0.455 171.3 2053.0 0.437 170.7 2054.0 0.417 170.0 2055.0 0.396 169.2 2056.0 0.374 168.3 2057.0 0.349 167.3 2058.0 0.323 166.2 2059.0 0.294 164.8 2060.0 0.263 163.2 2061.0 0.228 161.0 2062.0 0.190 158.1 2063.0 0.146 153.4 2064.0 0.098 144.6 2065.0 0.048 117.0 2066.0 0.044 26.8 2067.0 0.081 351.8 2068.0 0.094 335.5 2069.0 0.093 320.9 2070.0 0.090 305.6 2071.0 0.089 289.5 2072.0 0.093 273.9 2073.0 0.102 260.2 2074.0 0.113 249.0 2075.0 0.128 240.1 2076.0 0.143 233.0