| WDS: | COU1702 | WDS ID/Discoverer |
| P: | 101.900 | Orbital period (years) |
| a: | 0.197 | Semi-major axis (arcseconds) |
| i: | 60.0 | Inclination (degrees) |
| Ω: | 100.0 | Longitude of ascending node (degrees) |
| T: | 1967.400 | Epoch of periastron passage (year) |
| e: | 0.55 | Eccentricity |
| ω: | 93.3 | Longitude of periastron (degrees) |
| Start-Year: | 1974.05 | Year |
| End-Year: | 2075.95 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for COU1702 |
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| Position: | 040959.09+423505.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04100+4235 | WDS designation |
| Discoverer Code: | COU1702 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 26139 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 8.9 | Magnitude of the primary |
| V2: | 8.9 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Cou1999b | 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 0.161 35.54 -------------------------- 1974.05 0.121 275.02 1975.05 0.130 278.67 1976.05 0.138 281.86 1977.05 0.144 284.73 1978.05 0.150 287.37 1979.05 0.155 289.83 1980.05 0.159 292.15 1981.05 0.162 294.37 1982.05 0.165 296.50 1983.05 0.167 298.58 1984.05 0.169 300.61 1985.05 0.170 302.60 1986.05 0.171 304.58 1987.05 0.171 306.53 1988.05 0.172 308.48 1989.05 0.171 310.43 1990.05 0.171 312.38 1991.05 0.171 314.33 1992.05 0.170 316.30 1993.05 0.169 318.29 1994.05 0.168 320.30 1995.05 0.168 322.33 1996.05 0.166 324.38 1997.05 0.165 326.46 1998.05 0.164 328.57 1999.05 0.163 330.70 2000.05 0.162 332.87 2001.05 0.161 335.07 2002.05 0.160 337.30 2003.05 0.159 339.56 2004.05 0.158 341.85 2005.05 0.157 344.17 2006.05 0.156 346.52 2007.05 0.155 348.90 2008.05 0.154 351.29 2009.05 0.154 353.71 2010.05 0.153 356.15 2011.05 0.153 358.60 2012.05 0.152 1.06 2013.05 0.152 3.53 2014.05 0.152 6.01 2015.05 0.152 8.48 2016.05 0.152 10.95 2017.05 0.153 13.40 2018.05 0.153 15.85 2019.05 0.154 18.28 2020.05 0.155 20.68 2021.05 0.155 23.07 2022.05 0.156 25.43 2023.05 0.157 27.76 2024.05 0.158 30.05 2025.05 0.160 32.32 2026.05 0.161 34.55 2027.05 0.162 36.74 2028.05 0.164 38.90 2029.05 0.165 41.02 2030.05 0.167 43.10 2031.05 0.168 45.14 2032.05 0.170 47.15 2033.05 0.171 49.13 2034.05 0.173 51.06 2035.05 0.174 52.97 2036.05 0.176 54.84 2037.05 0.177 56.69 2038.05 0.178 58.50 2039.05 0.179 60.29 2040.05 0.181 62.06 2041.05 0.182 63.80 2042.05 0.183 65.53 2043.05 0.183 67.24 2044.05 0.184 68.94 2045.05 0.184 70.63 2046.05 0.184 72.31 2047.05 0.184 74.00 2048.05 0.184 75.69 2049.05 0.183 77.38 2050.05 0.182 79.10 2051.05 0.181 80.84 2052.05 0.179 82.60 2053.05 0.177 84.41 2054.05 0.174 86.27 2055.05 0.171 88.20 2056.05 0.167 90.21 2057.05 0.162 92.33 2058.05 0.156 94.59 2059.05 0.150 97.03 2060.05 0.143 99.70 2061.05 0.134 102.68 2062.05 0.125 106.09 2063.05 0.114 110.12 2064.05 0.102 115.05 2065.05 0.088 121.41 2066.05 0.074 130.12 2067.05 0.061 142.87 2068.05 0.049 162.31 2069.05 0.044 189.32 2070.05 0.048 216.81 2071.05 0.059 237.03 2072.05 0.073 250.35 2073.05 0.087 259.42 2074.05 0.100 266.04 2075.05 0.111 271.19
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:18:22 |