| 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: | 1970.5 | Year |
| End-Year: | 2079.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for HU912 |
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| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Hei1996c | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.340 153.34 -------------------------- 1970.50 0.255 239.40 1971.50 0.251 241.71 1972.50 0.248 244.08 1973.50 0.244 246.52 1974.50 0.240 249.04 1975.50 0.235 251.67 1976.50 0.229 254.41 1977.50 0.223 257.29 1978.50 0.216 260.35 1979.50 0.208 263.62 1980.50 0.199 267.17 1981.50 0.189 271.09 1982.50 0.176 275.53 1983.50 0.162 280.70 1984.50 0.144 287.00 1985.50 0.124 295.19 1986.50 0.102 306.80 1987.50 0.079 325.17 1988.50 0.064 355.30 1989.50 0.067 31.99 1990.50 0.085 58.56 1991.50 0.110 74.33 1992.50 0.134 84.32 1993.50 0.157 91.32 1994.50 0.177 96.63 1995.50 0.195 100.91 1996.50 0.211 104.50 1997.50 0.225 107.61 1998.50 0.238 110.36 1999.50 0.249 112.85 2000.50 0.260 115.13 2001.50 0.269 117.24 2002.50 0.277 119.22 2003.50 0.285 121.09 2004.50 0.291 122.87 2005.50 0.298 124.57 2006.50 0.303 126.21 2007.50 0.308 127.79 2008.50 0.313 129.32 2009.50 0.317 130.81 2010.50 0.320 132.27 2011.50 0.323 133.69 2012.50 0.326 135.09 2013.50 0.329 136.46 2014.50 0.331 137.82 2015.50 0.333 139.16 2016.50 0.335 140.48 2017.50 0.336 141.80 2018.50 0.337 143.10 2019.50 0.338 144.39 2020.50 0.339 145.68 2021.50 0.340 146.96 2022.50 0.340 148.24 2023.50 0.340 149.52 2024.50 0.340 150.79 2025.50 0.340 152.07 2026.50 0.340 153.34 2027.50 0.340 154.62 2028.50 0.339 155.90 2029.50 0.339 157.19 2030.50 0.338 158.48 2031.50 0.337 159.77 2032.50 0.336 161.08 2033.50 0.335 162.39 2034.50 0.334 163.70 2035.50 0.333 165.03 2036.50 0.332 166.36 2037.50 0.331 167.71 2038.50 0.329 169.06 2039.50 0.328 170.43 2040.50 0.327 171.80 2041.50 0.325 173.19 2042.50 0.324 174.60 2043.50 0.322 176.01 2044.50 0.321 177.44 2045.50 0.319 178.88 2046.50 0.317 180.34 2047.50 0.316 181.81 2048.50 0.314 183.30 2049.50 0.313 184.80 2050.50 0.311 186.32 2051.50 0.309 187.85 2052.50 0.308 189.41 2053.50 0.306 190.98 2054.50 0.304 192.56 2055.50 0.302 194.17 2056.50 0.301 195.79 2057.50 0.299 197.43 2058.50 0.297 199.09 2059.50 0.296 200.77 2060.50 0.294 202.47 2061.50 0.292 204.19 2062.50 0.290 205.93 2063.50 0.289 207.69 2064.50 0.287 209.47 2065.50 0.285 211.27 2066.50 0.283 213.10 2067.50 0.282 214.94 2068.50 0.280 216.82 2069.50 0.278 218.71 2070.50 0.276 220.64 2071.50 0.274 222.59 2072.50 0.272 224.56 2073.50 0.270 226.57 2074.50 0.268 228.61 2075.50 0.265 230.69 2076.50 0.263 232.80 2077.50 0.260 234.96 2078.50 0.258 237.15
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:20:10 |