| WDS: | A78 | WDS ID/Discoverer |
| P: | 111.930 | Orbital period (years) |
| a: | 0.263 | Semi-major axis (arcseconds) |
| i: | 49.3 | Inclination (degrees) |
| Ω: | 249.9 | Longitude of ascending node (degrees) |
| T: | 1997.500 | Epoch of periastron passage (year) |
| e: | 0.798 | Eccentricity |
| ω: | 42.1 | Longitude of periastron (degrees) |
| Start-Year: | 1969.035 | Year |
| End-Year: | 2080.965 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A78 |
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| Position: | 122647.72-053531.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 12268-0536 | WDS designation |
| Discoverer Code: | A78 | Discover designation and components |
| ADS number: | 8551 | Aitken Double Star catalog |
| HD number: | 108320 | HD catalog number |
| Hipparcos number: | 60727 | Hipparcos catalog number |
| V1: | 8.11 | Magnitude of the primary |
| V2: | 8.79 | Magnitude of the secondary |
| Equinox: | 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: | Hrt2009 | 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 0.376 86.00 -------------------------- 1969.04 0.293 119.28 1970.04 0.287 120.32 1971.04 0.280 121.41 1972.04 0.273 122.56 1973.04 0.265 123.76 1974.04 0.258 125.04 1975.04 0.250 126.40 1976.04 0.242 127.84 1977.04 0.234 129.38 1978.04 0.226 131.03 1979.04 0.218 132.81 1980.04 0.209 134.73 1981.04 0.200 136.83 1982.04 0.191 139.11 1983.04 0.182 141.63 1984.04 0.173 144.41 1985.04 0.163 147.50 1986.04 0.154 150.98 1987.04 0.144 154.91 1988.04 0.135 159.40 1989.04 0.126 164.56 1990.04 0.116 170.55 1991.04 0.107 177.57 1992.04 0.099 185.83 1993.04 0.091 195.62 1994.04 0.083 207.28 1995.04 0.075 221.31 1996.04 0.066 238.85 1997.04 0.053 263.59 1998.04 0.040 306.60 1999.04 0.046 359.25 2000.04 0.069 27.30 2001.04 0.093 40.97 2002.04 0.116 49.02 2003.04 0.138 54.47 2004.04 0.157 58.51 2005.04 0.175 61.68 2006.04 0.192 64.27 2007.04 0.207 66.47 2008.04 0.222 68.37 2009.04 0.235 70.04 2010.04 0.248 71.54 2011.04 0.260 72.89 2012.04 0.271 74.14 2013.04 0.281 75.28 2014.04 0.291 76.35 2015.04 0.301 77.35 2016.04 0.309 78.29 2017.04 0.318 79.18 2018.04 0.325 80.02 2019.04 0.333 80.83 2020.04 0.340 81.60 2021.04 0.346 82.35 2022.04 0.352 83.06 2023.04 0.358 83.76 2024.04 0.364 84.43 2025.04 0.369 85.08 2026.04 0.374 85.71 2027.04 0.378 86.33 2028.04 0.382 86.94 2029.04 0.386 87.53 2030.04 0.390 88.11 2031.04 0.393 88.68 2032.04 0.396 89.24 2033.04 0.399 89.80 2034.04 0.401 90.34 2035.04 0.404 90.88 2036.04 0.406 91.42 2037.04 0.408 91.95 2038.04 0.409 92.47 2039.04 0.411 92.99 2040.04 0.412 93.51 2041.04 0.413 94.02 2042.04 0.413 94.53 2043.04 0.414 95.04 2044.04 0.414 95.55 2045.04 0.414 96.06 2046.04 0.414 96.57 2047.04 0.414 97.08 2048.03 0.413 97.59 2049.03 0.413 98.11 2050.03 0.412 98.62 2051.03 0.411 99.14 2052.03 0.409 99.66 2053.03 0.408 100.18 2054.03 0.406 100.71 2055.03 0.404 101.24 2056.03 0.402 101.78 2057.03 0.400 102.32 2058.03 0.398 102.87 2059.03 0.395 103.43 2060.03 0.392 103.99 2061.03 0.390 104.56 2062.03 0.386 105.14 2063.03 0.383 105.73 2064.03 0.380 106.33 2065.03 0.376 106.95 2066.03 0.372 107.57 2067.03 0.368 108.21 2068.03 0.364 108.86 2069.03 0.360 109.53 2070.03 0.355 110.21 2071.03 0.350 110.92 2072.03 0.345 111.64 2073.03 0.340 112.38 2074.03 0.335 113.15 2075.03 0.330 113.94 2076.03 0.324 114.76 2077.03 0.318 115.61 2078.03 0.312 116.49 2079.03 0.306 117.40 2080.03 0.300 118.36
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:46:15 |