| WDS: | COU311 | WDS ID/Discoverer |
| P: | 157.890 | Orbital period (years) |
| a: | 0.263 | Semi-major axis (arcseconds) |
| i: | 44.0 | Inclination (degrees) |
| Ω: | 95.1 | Longitude of ascending node (degrees) |
| T: | 1950.240 | Epoch of periastron passage (year) |
| e: | 0.55 | Eccentricity |
| ω: | 217.2 | Longitude of periastron (degrees) |
| Start-Year: | 1946.055 | Year |
| End-Year: | 2103.945 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for COU311 |
||
| Position: | 163705.87+173154.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 16371+1732 | WDS designation |
| Discoverer Code: | COU311 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 10.3 | Magnitude of the primary |
| V2: | 10.3 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 5 | 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 0.373 121.89 -------------------------- 1946.06 0.128 274.97 1947.06 0.123 280.99 1948.06 0.118 287.47 1949.06 0.113 294.52 1950.06 0.108 302.23 1951.06 0.104 310.68 1952.06 0.099 319.91 1953.06 0.096 329.83 1954.06 0.095 340.22 1955.06 0.095 350.74 1956.06 0.098 0.97 1957.06 0.102 10.56 1958.06 0.107 19.28 1959.06 0.114 27.04 1960.06 0.122 33.86 1961.06 0.130 39.82 1962.06 0.139 45.04 1963.06 0.148 49.63 1964.06 0.158 53.68 1965.06 0.167 57.29 1966.06 0.176 60.51 1967.06 0.185 63.42 1968.06 0.194 66.06 1969.06 0.203 68.47 1970.06 0.211 70.68 1971.06 0.219 72.73 1972.06 0.227 74.63 1973.06 0.235 76.40 1974.06 0.243 78.06 1975.06 0.250 79.62 1976.06 0.257 81.10 1977.06 0.264 82.49 1978.06 0.270 83.82 1979.06 0.277 85.09 1980.06 0.283 86.30 1981.06 0.289 87.46 1982.06 0.294 88.57 1983.06 0.300 89.65 1984.06 0.305 90.68 1985.06 0.310 91.69 1986.06 0.315 92.66 1987.06 0.319 93.60 1988.06 0.324 94.52 1989.06 0.328 95.41 1990.06 0.332 96.28 1991.06 0.336 97.13 1992.06 0.339 97.96 1993.06 0.343 98.78 1994.06 0.346 99.57 1995.06 0.349 100.36 1996.06 0.352 101.13 1997.06 0.355 101.89 1998.06 0.358 102.63 1999.06 0.360 103.37 2000.06 0.362 104.09 2001.06 0.364 104.81 2002.06 0.366 105.52 2003.06 0.368 106.22 2004.06 0.370 106.92 2005.06 0.371 107.61 2006.06 0.373 108.29 2007.06 0.374 108.97 2008.06 0.375 109.65 2009.06 0.376 110.32 2010.06 0.377 110.99 2011.06 0.378 111.65 2012.06 0.378 112.31 2013.06 0.379 112.97 2014.06 0.379 113.63 2015.06 0.379 114.29 2016.06 0.380 114.95 2017.06 0.379 115.61 2018.06 0.379 116.27 2019.06 0.379 116.92 2020.06 0.379 117.58 2021.06 0.378 118.25 2022.06 0.378 118.91 2023.06 0.377 119.58 2024.06 0.376 120.24 2025.06 0.375 120.92 2026.06 0.374 121.59 2027.06 0.373 122.27 2028.06 0.372 122.96 2029.06 0.370 123.64 2030.06 0.369 124.34 2031.06 0.367 125.04 2032.06 0.365 125.75 2033.06 0.364 126.46 2034.06 0.362 127.18 2035.06 0.360 127.91 2036.06 0.358 128.64 2037.06 0.355 129.39 2038.06 0.353 130.14 2039.06 0.351 130.91 2040.06 0.348 131.68 2041.06 0.346 132.47 2042.06 0.343 133.27 2043.06 0.341 134.08 2044.06 0.338 134.90 2045.06 0.335 135.74 2046.06 0.332 136.59 2047.06 0.329 137.46 2048.06 0.326 138.34 2049.06 0.322 139.25 2050.06 0.319 140.17 2051.06 0.316 141.11 2052.06 0.312 142.07 2053.06 0.309 143.05 2054.06 0.305 144.05 2055.06 0.302 145.08 2056.06 0.298 146.13 2057.06 0.294 147.22 2058.06 0.290 148.32 2059.06 0.287 149.46 2060.06 0.283 150.63 2061.06 0.279 151.84 2062.06 0.275 153.08 2063.06 0.270 154.35 2064.06 0.266 155.67 2065.06 0.262 157.02 2066.06 0.258 158.42 2067.06 0.254 159.87 2068.06 0.249 161.37 2069.06 0.245 162.92 2070.06 0.241 164.52 2071.06 0.237 166.18 2072.06 0.232 167.91 2073.06 0.228 169.69 2074.06 0.224 171.55 2075.06 0.220 173.48 2076.06 0.215 175.48 2077.06 0.211 177.56 2078.06 0.207 179.73 2079.06 0.203 181.98 2080.06 0.199 184.33 2081.06 0.195 186.77 2082.06 0.191 189.31 2083.06 0.187 191.96 2084.06 0.184 194.71 2085.06 0.180 197.57 2086.06 0.177 200.54 2087.06 0.174 203.63 2088.06 0.170 206.83 2089.06 0.167 210.15 2090.06 0.165 213.59 2091.06 0.162 217.14 2092.06 0.159 220.81 2093.06 0.157 224.60 2094.06 0.155 228.51 2095.06 0.152 232.54 2096.06 0.150 236.68 2097.06 0.148 240.95 2098.06 0.146 245.35 2099.06 0.143 249.89 2100.06 0.141 254.59 2101.06 0.138 259.48 2102.06 0.135 264.58 2103.06 0.131 269.94
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 17:29:30 |