| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:17:16 |
| WDS: | BU367AB | WDS ID/Discoverer |
| P: | 104.020 | Orbital period (years) |
| a: | 0.41 | Semi-major axis (arcseconds) |
| i: | 68.2 | Inclination (degrees) |
| Ω: | 119.9 | Longitude of ascending node (degrees) |
| T: | 1934.610 | Epoch of periastron passage (year) |
| e: | 0.277 | Eccentricity |
| ω: | 185.8 | Longitude of periastron (degrees) |
| Start-Year: | 1973.0 | Year |
| End-Year: | 2077.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 205502.41+280525.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20550+2805 | WDS designation |
| Discoverer Code: | BU367AB | Discover designation and components |
| ADS number: | 14424 | Aitken Double Star catalog |
| HD number: | 199221 | HD catalog number |
| Hipparcos number: | 103247 | Hipparcos catalog number |
| V1: | 8.31 | Magnitude of the primary |
| V2: | 9.00 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2021 | 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 0.172 253.7 ------------------------- 1973.0 0.467 111.0 1974.0 0.476 111.9 1975.0 0.484 112.8 1976.0 0.492 113.7 1977.0 0.499 114.6 1978.0 0.504 115.4 1979.0 0.510 116.2 1980.0 0.514 117.0 1981.0 0.517 117.8 1982.0 0.520 118.5 1983.0 0.522 119.3 1984.0 0.523 120.1 1985.0 0.523 120.8 1986.0 0.522 121.6 1987.0 0.521 122.4 1988.0 0.518 123.1 1989.0 0.515 123.9 1990.0 0.511 124.7 1991.0 0.506 125.5 1992.0 0.501 126.3 1993.0 0.494 127.1 1994.0 0.487 128.0 1995.0 0.479 128.9 1996.0 0.471 129.8 1997.0 0.461 130.8 1998.0 0.451 131.8 1999.0 0.440 132.8 2000.0 0.429 133.9 2001.0 0.416 135.1 2002.0 0.403 136.3 2003.0 0.390 137.6 2004.0 0.375 139.1 2005.0 0.361 140.6 2006.0 0.345 142.3 2007.0 0.329 144.1 2008.0 0.313 146.1 2009.0 0.297 148.3 2010.0 0.280 150.8 2011.0 0.263 153.7 2012.0 0.246 156.9 2013.0 0.229 160.6 2014.0 0.213 164.8 2015.0 0.197 169.8 2016.0 0.182 175.6 2017.0 0.169 182.3 2018.0 0.158 190.1 2019.0 0.150 198.9 2020.0 0.145 208.4 2021.0 0.144 218.4 2022.0 0.146 228.4 2023.0 0.152 237.7 2024.0 0.161 246.2 2025.0 0.172 253.7 2026.0 0.185 260.3 2027.0 0.199 265.9 2028.0 0.213 270.8 2029.0 0.227 275.1 2030.0 0.241 278.9 2031.0 0.253 282.3 2032.0 0.265 285.4 2033.0 0.275 288.2 2034.0 0.284 290.9 2035.0 0.290 293.4 2036.0 0.295 295.8 2037.0 0.297 298.2 2038.0 0.296 300.6 2039.0 0.294 302.9 2040.0 0.289 305.4 2041.0 0.282 307.9 2042.0 0.273 310.6 2043.0 0.262 313.5 2044.0 0.249 316.7 2045.0 0.235 320.3 2046.0 0.220 324.3 2047.0 0.205 328.9 2048.0 0.189 334.2 2049.0 0.175 340.5 2050.0 0.161 347.9 2051.0 0.150 356.5 2052.0 0.141 6.4 2053.0 0.137 17.2 2054.0 0.136 28.4 2055.0 0.141 39.3 2056.0 0.149 49.2 2057.0 0.160 57.9 2058.0 0.174 65.4 2059.0 0.190 71.6 2060.0 0.207 76.9 2061.0 0.225 81.4 2062.0 0.243 85.2 2063.0 0.261 88.4 2064.0 0.279 91.3 2065.0 0.297 93.8 2066.0 0.315 96.0 2067.0 0.332 98.0 2068.0 0.348 99.8 2069.0 0.364 101.4 2070.0 0.380 102.9 2071.0 0.394 104.3 2072.0 0.408 105.6 2073.0 0.421 106.8 2074.0 0.434 107.9 2075.0 0.445 109.0 2076.0 0.456 110.0