| WDS: | A1278 | WDS ID/Discoverer |
| P: | 108.590 | Orbital period (years) |
| a: | 0.234 | Semi-major axis (arcseconds) |
| i: | 104.7 | Inclination (degrees) |
| Ω: | 131.0 | Longitude of ascending node (degrees) |
| T: | 2000.640 | Epoch of periastron passage (year) |
| e: | 0.711 | Eccentricity |
| ω: | 73.5 | Longitude of periastron (degrees) |
| Start-Year: | 1970.705 | Year |
| End-Year: | 2079.295 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A1278 |
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| Position: | 023813.90+460403.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02382+4604 | WDS designation |
| Discoverer Code: | A1278 | Discover designation and components |
| ADS number: | 1992 | Aitken Double Star catalog |
| HD number: | 16283 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 8.9 | Magnitude of the primary |
| V2: | 9.0 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2010 | 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: | Doc2012i | 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 0.225 295.68 -------------------------- 1970.70 0.091 201.80 1971.70 0.092 197.96 1972.70 0.093 194.20 1973.70 0.095 190.53 1974.70 0.096 186.99 1975.70 0.098 183.57 1976.70 0.100 180.28 1977.70 0.103 177.14 1978.70 0.105 174.13 1979.70 0.107 171.26 1980.70 0.110 168.52 1981.70 0.113 165.90 1982.70 0.115 163.40 1983.70 0.118 161.01 1984.70 0.120 158.72 1985.70 0.122 156.50 1986.70 0.124 154.37 1987.70 0.126 152.29 1988.70 0.127 150.27 1989.70 0.128 148.27 1990.70 0.128 146.29 1991.70 0.127 144.31 1992.70 0.126 142.29 1993.70 0.123 140.20 1994.70 0.119 137.98 1995.70 0.112 135.55 1996.70 0.103 132.75 1997.70 0.090 129.26 1998.70 0.072 124.29 1999.70 0.049 115.20 2000.70 0.024 86.92 2001.70 0.023 0.58 2002.70 0.049 331.08 2003.70 0.074 322.15 2004.70 0.096 317.63 2005.70 0.115 314.72 2006.70 0.132 312.60 2007.70 0.146 310.91 2008.70 0.158 309.51 2009.70 0.168 308.29 2010.70 0.177 307.21 2011.70 0.185 306.22 2012.70 0.192 305.32 2013.70 0.198 304.47 2014.70 0.203 303.66 2015.70 0.208 302.90 2016.70 0.212 302.16 2017.70 0.215 301.45 2018.70 0.218 300.76 2019.70 0.220 300.08 2020.70 0.222 299.42 2021.70 0.223 298.76 2022.70 0.224 298.11 2023.70 0.225 297.47 2024.70 0.225 296.83 2025.70 0.225 296.19 2026.70 0.225 295.55 2027.70 0.224 294.91 2028.70 0.223 294.26 2029.70 0.222 293.61 2030.70 0.221 292.95 2031.70 0.220 292.28 2032.70 0.218 291.61 2033.70 0.216 290.92 2034.70 0.214 290.22 2035.70 0.212 289.51 2036.70 0.210 288.78 2037.70 0.207 288.04 2038.70 0.205 287.28 2039.70 0.202 286.49 2040.70 0.199 285.69 2041.70 0.196 284.86 2042.70 0.193 284.00 2043.70 0.190 283.12 2044.70 0.187 282.21 2045.70 0.183 281.26 2046.70 0.180 280.28 2047.70 0.176 279.26 2048.70 0.173 278.20 2049.70 0.169 277.09 2050.70 0.166 275.94 2051.70 0.162 274.73 2052.70 0.158 273.46 2053.70 0.154 272.14 2054.70 0.151 270.74 2055.70 0.147 269.28 2056.70 0.143 267.74 2057.70 0.139 266.11 2058.70 0.135 264.39 2059.70 0.132 262.58 2060.70 0.128 260.66 2061.70 0.125 258.63 2062.70 0.121 256.48 2063.70 0.118 254.20 2064.70 0.114 251.79 2065.70 0.111 249.24 2066.70 0.108 246.54 2067.70 0.105 243.69 2068.70 0.103 240.69 2069.70 0.100 237.53 2070.70 0.098 234.23 2071.70 0.096 230.78 2072.70 0.094 227.20 2073.70 0.093 223.51 2074.70 0.092 219.72 2075.70 0.091 215.85 2076.70 0.091 211.94 2077.70 0.091 208.01 2078.70 0.091 204.10
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:02:10 |