| WDS: | I1227 | WDS ID/Discoverer |
| P: | 100.880 | Orbital period (years) |
| a: | 0.317 | Semi-major axis (arcseconds) |
| i: | 133.2 | Inclination (degrees) |
| Ω: | 26.2 | Longitude of ascending node (degrees) |
| T: | 1981.740 | Epoch of periastron passage (year) |
| e: | 0.647 | Eccentricity |
| ω: | 90.2 | Longitude of periastron (degrees) |
| Start-Year: | 1974.56 | Year |
| End-Year: | 2075.44 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for I1227 |
||
| Position: | 131323.38-504159.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 13134-5042 | WDS designation |
| Discoverer Code: | I1227 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 114772 | HD catalog number |
| Hipparcos number: | 64515 | Hipparcos catalog number |
| V1: | 6.56 | Magnitude of the primary |
| V2: | 6.78 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2006 | 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: | Zir2013d | 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 0.356 124.25 -------------------------- 1974.56 0.203 31.95 1975.56 0.187 27.03 1976.56 0.170 21.15 1977.56 0.150 13.84 1978.56 0.129 4.21 1979.56 0.107 350.63 1980.56 0.087 330.36 1981.56 0.077 301.64 1982.56 0.082 270.96 1983.56 0.100 247.71 1984.56 0.121 232.17 1985.56 0.143 221.40 1986.56 0.163 213.40 1987.56 0.181 207.08 1988.56 0.197 201.86 1989.56 0.212 197.38 1990.56 0.225 193.45 1991.56 0.236 189.92 1992.56 0.246 186.70 1993.56 0.256 183.74 1994.56 0.264 180.97 1995.56 0.272 178.37 1996.56 0.279 175.90 1997.56 0.286 173.55 1998.56 0.292 171.31 1999.56 0.297 169.15 2000.56 0.302 167.06 2001.56 0.307 165.04 2002.56 0.311 163.08 2003.56 0.315 161.17 2004.56 0.319 159.31 2005.56 0.322 157.49 2006.56 0.325 155.70 2007.56 0.328 153.95 2008.56 0.331 152.23 2009.56 0.334 150.53 2010.56 0.336 148.86 2011.56 0.338 147.21 2012.56 0.340 145.59 2013.56 0.342 143.98 2014.56 0.344 142.39 2015.56 0.345 140.81 2016.56 0.347 139.25 2017.56 0.348 137.70 2018.56 0.350 136.16 2019.56 0.351 134.64 2020.56 0.352 133.12 2021.56 0.353 131.61 2022.56 0.354 130.11 2023.56 0.354 128.62 2024.56 0.355 127.13 2025.56 0.356 125.64 2026.56 0.356 124.16 2027.56 0.356 122.69 2028.56 0.357 121.22 2029.56 0.357 119.75 2030.56 0.357 118.28 2031.56 0.357 116.82 2032.56 0.357 115.35 2033.56 0.357 113.89 2034.56 0.357 112.42 2035.56 0.357 110.95 2036.56 0.357 109.48 2037.56 0.356 108.01 2038.56 0.356 106.54 2039.56 0.355 105.06 2040.56 0.355 103.57 2041.56 0.354 102.08 2042.56 0.353 100.59 2043.56 0.352 99.09 2044.56 0.352 97.57 2045.56 0.350 96.05 2046.56 0.349 94.53 2047.56 0.348 92.99 2048.56 0.347 91.43 2049.56 0.345 89.87 2050.56 0.343 88.29 2051.56 0.341 86.69 2052.56 0.339 85.07 2053.56 0.337 83.44 2054.56 0.335 81.78 2055.56 0.333 80.10 2056.56 0.330 78.40 2057.56 0.327 76.66 2058.56 0.324 74.90 2059.56 0.320 73.09 2060.56 0.317 71.25 2061.56 0.313 69.36 2062.56 0.309 67.42 2063.56 0.304 65.43 2064.56 0.299 63.37 2065.56 0.294 61.24 2066.56 0.288 59.03 2067.56 0.281 56.72 2068.56 0.274 54.29 2069.56 0.267 51.74 2070.56 0.258 49.02 2071.56 0.249 46.12 2072.56 0.239 42.98 2073.56 0.228 39.54 2074.56 0.215 35.72
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 16:53:40 |