| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:46:14 |
| WDS: | HSL1AA,AC | WDS ID/Discoverer |
| P: | 121.900 | Orbital period (years) |
| a: | 0.57 | Semi-major axis (arcseconds) |
| i: | 97.0 | Inclination (degrees) |
| Ω: | 236.7 | Longitude of ascending node (degrees) |
| T: | 2010.400 | Epoch of periastron passage (year) |
| e: | 0.72 | Eccentricity |
| ω: | 74.0 | Longitude of periastron (degrees) |
| Start-Year: | 1965.0 | Year |
| End-Year: | 2085.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 172442.41+380210.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17247+3802 | WDS designation |
| Discoverer Code: | HSL1AA,AC | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 157948 | HD catalog number |
| Hipparcos number: | 85209 | Hipparcos catalog number |
| V1: | 8.28 | Magnitude of the primary |
| V2: | 10.78 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2014 | 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 0.476 53.3 ------------------------- 1965.0 0.139 1.7 1966.0 0.131 357.3 1967.0 0.124 352.3 1968.0 0.119 346.8 1969.0 0.114 340.8 1970.0 0.111 334.4 1971.0 0.109 327.6 1972.0 0.108 320.7 1973.0 0.109 313.9 1974.0 0.112 307.2 1975.0 0.116 300.9 1976.0 0.121 295.1 1977.0 0.127 289.8 1978.0 0.134 285.0 1979.0 0.141 280.7 1980.0 0.150 276.8 1981.0 0.158 273.4 1982.0 0.167 270.3 1983.0 0.177 267.6 1984.0 0.186 265.1 1985.0 0.196 262.9 1986.0 0.205 260.9 1987.0 0.215 259.0 1988.0 0.224 257.4 1989.0 0.233 255.8 1990.0 0.242 254.4 1991.0 0.251 253.0 1992.0 0.260 251.8 1993.0 0.267 250.6 1994.0 0.275 249.5 1995.0 0.282 248.5 1996.0 0.287 247.5 1997.0 0.293 246.5 1998.0 0.297 245.6 1999.0 0.299 244.7 2000.0 0.300 243.8 2001.0 0.300 242.9 2002.0 0.297 241.9 2003.0 0.291 241.0 2004.0 0.282 240.0 2005.0 0.268 238.9 2006.0 0.248 237.7 2007.0 0.221 236.3 2008.0 0.183 234.3 2009.0 0.134 231.0 2010.0 0.074 222.9 2011.0 0.020 150.6 2012.0 0.072 72.6 2013.0 0.135 64.3 2014.0 0.191 61.2 2015.0 0.239 59.5 2016.0 0.280 58.2 2017.0 0.316 57.3 2018.0 0.347 56.6 2019.0 0.374 56.0 2020.0 0.397 55.4 2021.0 0.417 54.9 2022.0 0.435 54.5 2023.0 0.451 54.1 2024.0 0.464 53.7 2025.0 0.476 53.3 2026.0 0.486 53.0 2027.0 0.495 52.6 2028.0 0.503 52.3 2029.0 0.509 52.0 2030.0 0.515 51.7 2031.0 0.519 51.4 2032.0 0.522 51.1 2033.0 0.525 50.8 2034.0 0.527 50.5 2035.0 0.528 50.2 2036.0 0.528 49.9 2037.0 0.528 49.6 2038.0 0.527 49.3 2039.0 0.526 49.0 2040.0 0.524 48.7 2041.0 0.521 48.4 2042.0 0.518 48.1 2043.0 0.515 47.8 2044.0 0.511 47.5 2045.0 0.506 47.2 2046.0 0.502 46.9 2047.0 0.497 46.6 2048.0 0.491 46.2 2049.0 0.485 45.9 2050.0 0.479 45.5 2051.0 0.473 45.2 2052.0 0.466 44.8 2053.0 0.459 44.4 2054.0 0.452 44.1 2055.0 0.444 43.6 2056.0 0.437 43.2 2057.0 0.429 42.8 2058.0 0.420 42.3 2059.0 0.412 41.9 2060.0 0.403 41.4 2061.0 0.394 40.9 2062.0 0.385 40.3 2063.0 0.376 39.8 2064.0 0.367 39.2 2065.0 0.357 38.6 2066.0 0.348 37.9 2067.0 0.338 37.2 2068.0 0.328 36.5 2069.0 0.318 35.7 2070.0 0.308 34.9 2071.0 0.297 34.0 2072.0 0.287 33.0 2073.0 0.276 32.0 2074.0 0.266 30.9 2075.0 0.256 29.7 2076.0 0.245 28.4 2077.0 0.235 27.0 2078.0 0.224 25.5 2079.0 0.214 23.8 2080.0 0.203 21.9 2081.0 0.193 19.8 2082.0 0.183 17.6 2083.0 0.173 15.0 2084.0 0.164 12.1