| WDS: | A2338 | WDS ID/Discoverer |
| P: | 180.000 | Orbital period (years) |
| a: | 0.308 | Semi-major axis (arcseconds) |
| i: | 38.3 | Inclination (degrees) |
| Ω: | 157.3 | Longitude of ascending node (degrees) |
| T: | 2005.980 | Epoch of periastron passage (year) |
| e: | 0.736 | Eccentricity |
| ω: | 119.3 | Longitude of periastron (degrees) |
| Start-Year: | 1935.0 | Year |
| End-Year: | 2115.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A2338 |
||
| Position: | 025111.57+014049.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02512+0141 | WDS designation |
| Discoverer Code: | A2338 | Discover designation and components |
| ADS number: | 2177 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 13302 | Hipparcos catalog number |
| V1: | 9.9 | Magnitude of the primary |
| V2: | 10.6 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Doc2016a | 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 0.226 44.38 -------------------------- 1935.00 0.452 112.20 1936.00 0.451 112.69 1937.00 0.451 113.19 1938.00 0.450 113.69 1939.00 0.449 114.19 1940.00 0.448 114.69 1941.00 0.447 115.19 1942.00 0.446 115.70 1943.00 0.444 116.21 1944.00 0.443 116.72 1945.00 0.442 117.23 1946.00 0.440 117.75 1947.00 0.438 118.28 1948.00 0.437 118.80 1949.00 0.435 119.33 1950.00 0.433 119.87 1951.00 0.431 120.41 1952.00 0.429 120.96 1953.00 0.426 121.51 1954.00 0.424 122.06 1955.00 0.422 122.63 1956.00 0.419 123.20 1957.00 0.416 123.78 1958.00 0.414 124.36 1959.00 0.411 124.96 1960.00 0.408 125.56 1961.00 0.404 126.17 1962.00 0.401 126.79 1963.00 0.398 127.42 1964.00 0.394 128.06 1965.00 0.391 128.72 1966.00 0.387 129.39 1967.00 0.383 130.07 1968.00 0.379 130.76 1969.00 0.374 131.47 1970.00 0.370 132.20 1971.00 0.365 132.95 1972.00 0.361 133.71 1973.00 0.356 134.50 1974.00 0.351 135.30 1975.00 0.345 136.14 1976.00 0.340 137.00 1977.00 0.334 137.88 1978.00 0.328 138.80 1979.00 0.322 139.75 1980.00 0.316 140.74 1981.00 0.309 141.77 1982.00 0.303 142.85 1983.00 0.296 143.97 1984.00 0.288 145.16 1985.00 0.281 146.40 1986.00 0.273 147.72 1987.00 0.265 149.11 1988.00 0.256 150.60 1989.00 0.247 152.19 1990.00 0.238 153.90 1991.00 0.228 155.76 1992.00 0.218 157.78 1993.00 0.208 160.00 1994.00 0.197 162.47 1995.00 0.185 165.23 1996.00 0.173 168.37 1997.00 0.161 171.99 1998.00 0.147 176.24 1999.00 0.134 181.35 2000.00 0.120 187.64 2001.00 0.106 195.62 2002.00 0.092 206.06 2003.00 0.079 220.01 2004.00 0.070 238.43 2005.00 0.066 260.65 2006.00 0.069 283.30 2007.00 0.076 302.80 2008.00 0.086 318.24 2009.00 0.097 330.36 2010.00 0.107 340.11 2011.00 0.117 348.19 2012.00 0.126 355.05 2013.00 0.134 1.01 2014.00 0.143 6.27 2015.00 0.150 10.96 2016.00 0.158 15.20 2017.00 0.165 19.06 2018.00 0.172 22.59 2019.00 0.179 25.86 2020.00 0.186 28.88 2021.00 0.193 31.69 2022.00 0.199 34.32 2023.00 0.205 36.79 2024.00 0.211 39.11 2025.00 0.217 41.31 2026.00 0.223 43.38 2027.00 0.229 45.35 2028.00 0.235 47.22 2029.00 0.241 49.00 2030.00 0.246 50.70 2031.00 0.252 52.33 2032.00 0.257 53.88 2033.00 0.262 55.38 2034.00 0.268 56.81 2035.00 0.273 58.19 2036.00 0.278 59.53 2037.00 0.283 60.81 2038.00 0.288 62.05 2039.00 0.292 63.25 2040.00 0.297 64.41 2041.00 0.302 65.53 2042.00 0.306 66.62 2043.00 0.311 67.68 2044.00 0.315 68.71 2045.00 0.320 69.71 2046.00 0.324 70.68 2047.00 0.328 71.63 2048.00 0.332 72.55 2049.00 0.336 73.45 2050.00 0.340 74.33 2051.00 0.344 75.19 2052.00 0.348 76.03 2053.00 0.352 76.86 2054.00 0.356 77.66 2055.00 0.359 78.45 2056.00 0.363 79.23 2057.00 0.366 79.98 2058.00 0.370 80.73 2059.00 0.373 81.46 2060.00 0.376 82.18 2061.00 0.380 82.88 2062.00 0.383 83.58 2063.00 0.386 84.26 2064.00 0.389 84.93 2065.00 0.392 85.59 2066.00 0.395 86.25 2067.00 0.397 86.89 2068.00 0.400 87.52 2069.00 0.403 88.15 2070.00 0.406 88.76 2071.00 0.408 89.37 2072.00 0.411 89.97 2073.00 0.413 90.57 2074.00 0.415 91.16 2075.00 0.418 91.74 2076.00 0.420 92.31 2077.00 0.422 92.88 2078.00 0.424 93.45 2079.00 0.426 94.00 2080.00 0.428 94.56 2081.00 0.430 95.10 2082.00 0.432 95.65 2083.00 0.433 96.19 2084.00 0.435 96.72 2085.00 0.437 97.25 2086.00 0.438 97.78 2087.00 0.440 98.30 2088.00 0.441 98.82 2089.00 0.442 99.34 2090.00 0.444 99.85 2091.00 0.445 100.36 2092.00 0.446 100.87 2093.00 0.447 101.37 2094.00 0.448 101.88 2095.00 0.449 102.38 2096.00 0.450 102.88 2097.00 0.451 103.37 2098.00 0.451 103.87 2099.00 0.452 104.36 2100.00 0.453 104.86 2101.00 0.453 105.35 2102.00 0.453 105.84 2103.00 0.454 106.33 2104.00 0.454 106.82 2105.00 0.454 107.31 2106.00 0.454 107.79 2107.00 0.454 108.28 2108.00 0.454 108.77 2109.00 0.454 109.26 2110.00 0.454 109.75 2111.00 0.454 110.24 2112.00 0.454 110.73 2113.00 0.453 111.22 2114.00 0.453 111.71
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 15:05:02 |