| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:40:08 |
| WDS: | RST3320 | WDS ID/Discoverer |
| P: | 108.400 | Orbital period (years) |
| a: | 0.282 | Semi-major axis (arcseconds) |
| i: | 162.4 | Inclination (degrees) |
| Ω: | 156.0 | Longitude of ascending node (degrees) |
| T: | 2001.940 | Epoch of periastron passage (year) |
| e: | 0.463 | Eccentricity |
| ω: | 314.0 | Longitude of periastron (degrees) |
| Start-Year: | 1971.0 | Year |
| End-Year: | 2079.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 230954.88-222727.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 23099-2227 | WDS designation |
| Discoverer Code: | RST3320 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 218640 | HD catalog number |
| Hipparcos number: | 114375 | Hipparcos catalog number |
| V1: | 5.27 | Magnitude of the primary |
| V2: | 6.04 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | Date of last observation |
| Orbit grade: | 3 | 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 0.296 74.3 ------------------------- 1971.0 0.356 346.2 1972.0 0.351 344.4 1973.0 0.346 342.6 1974.0 0.340 340.7 1975.0 0.335 338.7 1976.0 0.329 336.7 1977.0 0.322 334.6 1978.0 0.316 332.4 1979.0 0.309 330.1 1980.0 0.302 327.7 1981.0 0.295 325.2 1982.0 0.287 322.6 1983.0 0.280 319.8 1984.0 0.272 316.9 1985.0 0.263 313.8 1986.0 0.255 310.4 1987.0 0.246 306.9 1988.0 0.237 303.0 1989.0 0.228 298.9 1990.0 0.219 294.4 1991.0 0.209 289.6 1992.0 0.200 284.2 1993.0 0.191 278.4 1994.0 0.183 272.0 1995.0 0.175 265.0 1996.0 0.167 257.4 1997.0 0.160 249.0 1998.0 0.155 240.1 1999.0 0.151 230.5 2000.0 0.148 220.5 2001.0 0.147 210.3 2002.0 0.148 200.0 2003.0 0.150 189.9 2004.0 0.153 180.2 2005.0 0.158 171.0 2006.0 0.163 162.3 2007.0 0.169 154.2 2008.0 0.176 146.7 2009.0 0.182 139.7 2010.0 0.190 133.3 2011.0 0.197 127.3 2012.0 0.204 121.7 2013.0 0.212 116.6 2014.0 0.219 111.7 2015.0 0.227 107.3 2016.0 0.234 103.1 2017.0 0.241 99.1 2018.0 0.249 95.4 2019.0 0.256 91.9 2020.0 0.263 88.6 2021.0 0.270 85.4 2022.0 0.277 82.4 2023.0 0.283 79.6 2024.0 0.290 76.9 2025.0 0.296 74.3 2026.0 0.302 71.8 2027.0 0.308 69.4 2028.0 0.314 67.1 2029.0 0.320 64.8 2030.0 0.325 62.7 2031.0 0.330 60.6 2032.0 0.335 58.6 2033.0 0.340 56.6 2034.0 0.345 54.7 2035.0 0.350 52.9 2036.0 0.354 51.1 2037.0 0.358 49.3 2038.0 0.362 47.6 2039.0 0.366 45.9 2040.0 0.370 44.3 2041.0 0.373 42.7 2042.0 0.377 41.1 2043.0 0.380 39.5 2044.0 0.383 38.0 2045.0 0.385 36.5 2046.0 0.388 35.0 2047.0 0.390 33.5 2048.0 0.392 32.1 2049.0 0.394 30.6 2050.0 0.396 29.2 2051.0 0.398 27.8 2052.0 0.399 26.4 2053.0 0.400 25.0 2054.0 0.401 23.6 2055.0 0.402 22.2 2056.0 0.403 20.8 2057.0 0.403 19.4 2058.0 0.403 18.1 2059.0 0.403 16.7 2060.0 0.403 15.3 2061.0 0.403 14.0 2062.0 0.402 12.6 2063.0 0.401 11.2 2064.0 0.400 9.8 2065.0 0.399 8.4 2066.0 0.397 7.0 2067.0 0.396 5.6 2068.0 0.394 4.1 2069.0 0.392 2.7 2070.0 0.389 1.2 2071.0 0.387 359.7 2072.0 0.384 358.2 2073.0 0.381 356.7 2074.0 0.377 355.2 2075.0 0.374 353.6 2076.0 0.370 352.0 2077.0 0.366 350.3 2078.0 0.362 348.6