| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:54:24 |
| WDS: | RST959AA,AB | WDS ID/Discoverer |
| P: | 94.700 | Orbital period (years) |
| a: | 0.348 | Semi-major axis (arcseconds) |
| i: | 20.0 | Inclination (degrees) |
| Ω: | 232.3 | Longitude of ascending node (degrees) |
| T: | 2046.380 | Epoch of periastron passage (year) |
| e: | 0.234 | Eccentricity |
| ω: | 0.0 | Longitude of periastron (degrees) |
| Start-Year: | 1978.0 | Year |
| End-Year: | 2072.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 180530.73-631139.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18055-6312 | WDS designation |
| Discoverer Code: | RST959AA,AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 164444 | HD catalog number |
| Hipparcos number: | 88607 | Hipparcos catalog number |
| V1: | 8.30 | Magnitude of the primary |
| V2: | 9.08 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2020 | 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 0.335 123.2 ------------------------- 1978.0 0.364 358.4 1979.0 0.369 1.5 1980.0 0.375 4.6 1981.0 0.380 7.5 1982.0 0.385 10.4 1983.0 0.390 13.2 1984.0 0.394 16.0 1985.0 0.399 18.6 1986.0 0.403 21.3 1987.0 0.406 23.8 1988.0 0.410 26.3 1989.0 0.413 28.8 1990.0 0.416 31.3 1991.0 0.419 33.7 1992.0 0.421 36.1 1993.0 0.424 38.4 1994.0 0.425 40.8 1995.0 0.427 43.1 1996.0 0.428 45.4 1997.0 0.429 47.7 1998.0 0.429 50.0 1999.0 0.429 52.2 2000.0 0.429 54.5 2001.0 0.429 56.8 2002.0 0.428 59.1 2003.0 0.427 61.4 2004.0 0.425 63.7 2005.0 0.424 66.0 2006.0 0.422 68.4 2007.0 0.419 70.8 2008.0 0.417 73.2 2009.0 0.414 75.6 2010.0 0.410 78.1 2011.0 0.407 80.6 2012.0 0.403 83.2 2013.0 0.399 85.8 2014.0 0.394 88.5 2015.0 0.390 91.2 2016.0 0.385 94.0 2017.0 0.380 96.9 2018.0 0.375 99.8 2019.0 0.370 102.9 2020.0 0.364 106.0 2021.0 0.358 109.2 2022.0 0.353 112.6 2023.0 0.347 116.0 2024.0 0.341 119.5 2025.0 0.335 123.2 2026.0 0.330 127.0 2027.0 0.324 131.0 2028.0 0.318 135.1 2029.0 0.313 139.3 2030.0 0.308 143.7 2031.0 0.302 148.2 2032.0 0.298 152.8 2033.0 0.293 157.7 2034.0 0.289 162.6 2035.0 0.285 167.7 2036.0 0.282 173.0 2037.0 0.279 178.3 2038.0 0.276 183.8 2039.0 0.274 189.4 2040.0 0.272 195.0 2041.0 0.270 200.7 2042.0 0.269 206.5 2043.0 0.268 212.4 2044.0 0.267 218.2 2045.0 0.267 224.1 2046.0 0.267 230.1 2047.0 0.267 236.0 2048.0 0.267 241.9 2049.0 0.267 247.8 2050.0 0.268 253.6 2051.0 0.269 259.5 2052.0 0.271 265.2 2053.0 0.272 271.0 2054.0 0.274 276.6 2055.0 0.277 282.1 2056.0 0.279 287.6 2057.0 0.283 292.9 2058.0 0.286 298.1 2059.0 0.290 303.2 2060.0 0.294 308.1 2061.0 0.299 312.9 2062.0 0.304 317.5 2063.0 0.309 322.0 2064.0 0.314 326.3 2065.0 0.320 330.5 2066.0 0.325 334.6 2067.0 0.331 338.5 2068.0 0.337 342.3 2069.0 0.343 345.9 2070.0 0.348 349.4 2071.0 0.354 352.9