| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:34:24 |
| WDS: | HU912 | WDS ID/Discoverer |
| P: | 109.000 | Orbital period (years) |
| a: | 0.32 | Semi-major axis (arcseconds) |
| i: | 54.0 | Inclination (degrees) |
| Ω: | 102.0 | Longitude of ascending node (degrees) |
| T: | 1988.500 | Epoch of periastron passage (year) |
| e: | 0.67 | Eccentricity |
| ω: | 260.0 | Longitude of periastron (degrees) |
| Start-Year: | 1971.0 | Year |
| End-Year: | 2079.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 154915.70+603138.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 15493+6032 | WDS designation |
| Discoverer Code: | HU912 | Discover designation and components |
| ADS number: | 9806 | Aitken Double Star catalog |
| HD number: | 142089 | HD catalog number |
| Hipparcos number: | 77482 | Hipparcos catalog number |
| V1: | 8.60 | Magnitude of the primary |
| V2: | 9.01 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 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 0.340 151.4 ------------------------- 1971.0 0.253 240.5 1972.0 0.250 242.9 1973.0 0.246 245.3 1974.0 0.242 247.8 1975.0 0.237 250.3 1976.0 0.232 253.0 1977.0 0.226 255.8 1978.0 0.220 258.8 1979.0 0.212 262.0 1980.0 0.204 265.4 1981.0 0.194 269.1 1982.0 0.183 273.2 1983.0 0.169 278.0 1984.0 0.153 283.7 1985.0 0.135 290.8 1986.0 0.113 300.4 1987.0 0.090 314.8 1988.0 0.070 338.6 1989.0 0.063 14.0 1990.0 0.075 47.0 1991.0 0.097 67.4 1992.0 0.122 79.8 1993.0 0.146 88.1 1994.0 0.167 94.1 1995.0 0.186 98.9 1996.0 0.203 102.8 1997.0 0.218 106.1 1998.0 0.232 109.0 1999.0 0.244 111.6 2000.0 0.255 114.0 2001.0 0.264 116.2 2002.0 0.273 118.2 2003.0 0.281 120.2 2004.0 0.288 122.0 2005.0 0.295 123.7 2006.0 0.300 125.4 2007.0 0.306 127.0 2008.0 0.310 128.6 2009.0 0.315 130.1 2010.0 0.318 131.5 2011.0 0.322 133.0 2012.0 0.325 134.4 2013.0 0.328 135.8 2014.0 0.330 137.1 2015.0 0.332 138.5 2016.0 0.334 139.8 2017.0 0.335 141.1 2018.0 0.337 142.4 2019.0 0.338 143.7 2020.0 0.339 145.0 2021.0 0.339 146.3 2022.0 0.340 147.6 2023.0 0.340 148.9 2024.0 0.340 150.2 2025.0 0.340 151.4 2026.0 0.340 152.7 2027.0 0.340 154.0 2028.0 0.339 155.3 2029.0 0.339 156.5 2030.0 0.338 157.8 2031.0 0.337 159.1 2032.0 0.337 160.4 2033.0 0.336 161.7 2034.0 0.335 163.0 2035.0 0.334 164.4 2036.0 0.333 165.7 2037.0 0.331 167.0 2038.0 0.330 168.4 2039.0 0.329 169.7 2040.0 0.327 171.1 2041.0 0.326 172.5 2042.0 0.324 173.9 2043.0 0.323 175.3 2044.0 0.321 176.7 2045.0 0.320 178.2 2046.0 0.318 179.6 2047.0 0.317 181.1 2048.0 0.315 182.6 2049.0 0.313 184.0 2050.0 0.312 185.6 2051.0 0.310 187.1 2052.0 0.308 188.6 2053.0 0.307 190.2 2054.0 0.305 191.8 2055.0 0.303 193.4 2056.0 0.302 195.0 2057.0 0.300 196.6 2058.0 0.298 198.3 2059.0 0.296 199.9 2060.0 0.295 201.6 2061.0 0.293 203.3 2062.0 0.291 205.1 2063.0 0.290 206.8 2064.0 0.288 208.6 2065.0 0.286 210.4 2066.0 0.284 212.2 2067.0 0.283 214.0 2068.0 0.281 215.9 2069.0 0.279 217.8 2070.0 0.277 219.7 2071.0 0.275 221.6 2072.0 0.273 223.6 2073.0 0.271 225.6 2074.0 0.269 227.6 2075.0 0.267 229.6 2076.0 0.264 231.7 2077.0 0.262 233.9 2078.0 0.259 236.0