| WDS: | HU380BC | WDS ID/Discoverer |
| P: | 116.610 | Orbital period (years) |
| a: | 0.315 | Semi-major axis (arcseconds) |
| i: | 128.0 | Inclination (degrees) |
| Ω: | 76.1 | Longitude of ascending node (degrees) |
| T: | 1949.620 | Epoch of periastron passage (year) |
| e: | 0.279 | Eccentricity |
| ω: | 14.8 | Longitude of periastron (degrees) |
| Start-Year: | 1966.695 | Year |
| End-Year: | 2083.305 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for HU380BC |
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| Position: | 215346.85-200023.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21538-2000 | WDS designation |
| Discoverer Code: | HU380BC | Discover designation and components |
| ADS number: | 15419 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 108072 | Hipparcos catalog number |
| V1: | 10.34 | Magnitude of the primary |
| V2: | 10.56 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2007 | 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: | Hrt2014b | 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 0.300 219.78 -------------------------- 1966.69 0.176 333.06 1967.69 0.182 327.41 1968.69 0.189 322.15 1969.69 0.197 317.29 1970.69 0.206 312.82 1971.69 0.214 308.71 1972.69 0.224 304.93 1973.69 0.233 301.46 1974.69 0.243 298.26 1975.69 0.252 295.31 1976.69 0.262 292.57 1977.69 0.272 290.03 1978.69 0.281 287.65 1979.69 0.290 285.43 1980.69 0.299 283.34 1981.69 0.307 281.37 1982.69 0.316 279.50 1983.69 0.324 277.73 1984.69 0.331 276.04 1985.69 0.338 274.42 1986.69 0.345 272.88 1987.69 0.352 271.38 1988.69 0.358 269.95 1989.69 0.364 268.55 1990.69 0.369 267.20 1991.69 0.374 265.89 1992.69 0.378 264.61 1993.69 0.382 263.36 1994.69 0.386 262.13 1995.69 0.389 260.92 1996.69 0.392 259.73 1997.69 0.394 258.56 1998.69 0.396 257.40 1999.69 0.398 256.25 2000.69 0.399 255.11 2001.69 0.399 253.97 2002.69 0.400 252.84 2003.69 0.400 251.70 2004.69 0.399 250.57 2005.69 0.398 249.43 2006.69 0.397 248.28 2007.69 0.395 247.13 2008.69 0.393 245.96 2009.69 0.391 244.78 2010.69 0.388 243.59 2011.69 0.384 242.37 2012.69 0.381 241.13 2013.69 0.377 239.87 2014.69 0.373 238.58 2015.69 0.368 237.26 2016.69 0.363 235.91 2017.69 0.358 234.51 2018.69 0.352 233.08 2019.69 0.346 231.59 2020.69 0.340 230.05 2021.69 0.334 228.46 2022.69 0.327 226.80 2023.69 0.320 225.07 2024.69 0.313 223.26 2025.69 0.306 221.37 2026.69 0.298 219.39 2027.69 0.291 217.30 2028.69 0.283 215.10 2029.69 0.275 212.77 2030.69 0.267 210.32 2031.69 0.260 207.71 2032.69 0.252 204.94 2033.69 0.244 202.00 2034.69 0.237 198.87 2035.69 0.230 195.55 2036.69 0.223 192.01 2037.69 0.216 188.26 2038.69 0.210 184.28 2039.69 0.205 180.08 2040.69 0.200 175.66 2041.69 0.196 171.04 2042.69 0.193 166.24 2043.69 0.190 161.30 2044.69 0.188 156.24 2045.69 0.188 151.11 2046.69 0.188 145.96 2047.69 0.189 140.84 2048.69 0.190 135.80 2049.69 0.193 130.85 2050.69 0.196 126.04 2051.69 0.199 121.39 2052.69 0.203 116.91 2053.69 0.207 112.59 2054.69 0.211 108.43 2055.69 0.215 104.43 2056.69 0.218 100.57 2057.69 0.222 96.84 2058.69 0.225 93.21 2059.69 0.227 89.66 2060.69 0.229 86.18 2061.69 0.230 82.73 2062.69 0.230 79.30 2063.69 0.229 75.85 2064.69 0.227 72.36 2065.69 0.224 68.80 2066.69 0.221 65.15 2067.69 0.216 61.36 2068.69 0.211 57.40 2069.69 0.206 53.25 2070.69 0.200 48.85 2071.69 0.194 44.19 2072.69 0.188 39.22 2073.69 0.182 33.92 2074.69 0.177 28.28 2075.69 0.172 22.30 2076.69 0.168 16.03 2077.69 0.165 9.51 2078.69 0.164 2.82 2079.69 0.164 356.09 2080.69 0.166 349.42 2081.69 0.169 342.92 2082.69 0.173 336.70
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:34:00 |