| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:21:35 |
| WDS: | A2288 | WDS ID/Discoverer |
| P: | 122.720 | Orbital period (years) |
| a: | 0.3 | Semi-major axis (arcseconds) |
| i: | 139.4 | Inclination (degrees) |
| Ω: | 135.4 | Longitude of ascending node (degrees) |
| T: | 1950.410 | Epoch of periastron passage (year) |
| e: | 0.659 | Eccentricity |
| ω: | 86.1 | Longitude of periastron (degrees) |
| Start-Year: | 1964.0 | Year |
| End-Year: | 2086.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 212419.75+034300.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21243+0343 | WDS designation |
| Discoverer Code: | A2288 | Discover designation and components |
| ADS number: | 14942 | Aitken Double Star catalog |
| HD number: | 203789 | HD catalog number |
| Hipparcos number: | 105682 | Hipparcos catalog number |
| V1: | 9.97 | Magnitude of the primary |
| V2: | 10.27 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2014 | 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 0.367 216.3 ------------------------- 1964.0 0.243 294.8 1965.0 0.252 292.3 1966.0 0.260 290.0 1967.0 0.267 287.8 1968.0 0.274 285.8 1969.0 0.281 283.8 1970.0 0.287 281.9 1971.0 0.293 280.1 1972.0 0.299 278.4 1973.0 0.304 276.8 1974.0 0.309 275.2 1975.0 0.314 273.6 1976.0 0.318 272.1 1977.0 0.322 270.6 1978.0 0.326 269.2 1979.0 0.330 267.8 1980.0 0.334 266.4 1981.0 0.337 265.1 1982.0 0.341 263.8 1983.0 0.344 262.5 1984.0 0.347 261.2 1985.0 0.350 260.0 1986.0 0.352 258.8 1987.0 0.355 257.5 1988.0 0.357 256.4 1989.0 0.359 255.2 1990.0 0.361 254.0 1991.0 0.363 252.9 1992.0 0.365 251.7 1993.0 0.367 250.6 1994.0 0.368 249.5 1995.0 0.370 248.4 1996.0 0.371 247.3 1997.0 0.372 246.2 1998.0 0.373 245.1 1999.0 0.374 244.0 2000.0 0.375 243.0 2001.0 0.376 241.9 2002.0 0.377 240.8 2003.0 0.377 239.8 2004.0 0.378 238.7 2005.0 0.378 237.6 2006.0 0.379 236.6 2007.0 0.379 235.5 2008.0 0.379 234.5 2009.0 0.379 233.4 2010.0 0.379 232.4 2011.0 0.379 231.3 2012.0 0.378 230.3 2013.0 0.378 229.2 2014.0 0.378 228.2 2015.0 0.377 227.1 2016.0 0.377 226.1 2017.0 0.376 225.0 2018.0 0.375 223.9 2019.0 0.374 222.9 2020.0 0.373 221.8 2021.0 0.372 220.7 2022.0 0.371 219.6 2023.0 0.370 218.5 2024.0 0.369 217.4 2025.0 0.367 216.3 2026.0 0.366 215.2 2027.0 0.364 214.0 2028.0 0.362 212.9 2029.0 0.361 211.7 2030.0 0.359 210.6 2031.0 0.357 209.4 2032.0 0.355 208.2 2033.0 0.352 207.0 2034.0 0.350 205.8 2035.0 0.348 204.5 2036.0 0.345 203.3 2037.0 0.343 202.0 2038.0 0.340 200.7 2039.0 0.337 199.4 2040.0 0.334 198.0 2041.0 0.331 196.7 2042.0 0.327 195.3 2043.0 0.324 193.9 2044.0 0.320 192.4 2045.0 0.317 190.9 2046.0 0.313 189.4 2047.0 0.309 187.8 2048.0 0.304 186.2 2049.0 0.300 184.6 2050.0 0.295 182.9 2051.0 0.290 181.1 2052.0 0.285 179.3 2053.0 0.280 177.4 2054.0 0.274 175.5 2055.0 0.268 173.4 2056.0 0.262 171.3 2057.0 0.255 169.0 2058.0 0.248 166.6 2059.0 0.241 164.1 2060.0 0.233 161.4 2061.0 0.224 158.5 2062.0 0.215 155.4 2063.0 0.206 152.0 2064.0 0.195 148.3 2065.0 0.184 144.1 2066.0 0.172 139.3 2067.0 0.159 133.8 2068.0 0.144 127.2 2069.0 0.129 119.2 2070.0 0.113 108.9 2071.0 0.098 95.2 2072.0 0.085 76.9 2073.0 0.078 53.8 2074.0 0.080 29.2 2075.0 0.091 8.2 2076.0 0.105 352.3 2077.0 0.122 340.6 2078.0 0.138 331.7 2079.0 0.154 324.6 2080.0 0.168 318.8 2081.0 0.182 313.9 2082.0 0.195 309.6 2083.0 0.206 305.9 2084.0 0.217 302.5 2085.0 0.227 299.4