| WDS: | J838 | WDS ID/Discoverer |
| P: | 239.840 | Orbital period (years) |
| a: | 7.451 | Semi-major axis (arcseconds) |
| i: | 77.6 | Inclination (degrees) |
| Ω: | 103.0 | Longitude of ascending node (degrees) |
| T: | 1967.510 | Epoch of periastron passage (year) |
| e: | 0.784 | Eccentricity |
| ω: | 258.1 | Longitude of periastron (degrees) |
| Start-Year: | 1905.08 | Year |
| End-Year: | 2144.92 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for J838 |
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| Position: | 202100.67+102821.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20210+1028 | WDS designation |
| Discoverer Code: | J838 | Discover designation and components |
| ADS number: | 13734 | Aitken Double Star catalog |
| HD number: | 357347 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 12.5 | Magnitude of the primary |
| V2: | 12.6 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1995 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Ole2002b | 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 6.112 121.74 -------------------------- 1905.08 2.732 222.95 1906.08 2.751 224.43 1907.08 2.772 225.89 1908.08 2.793 227.32 1909.08 2.816 228.73 1910.08 2.840 230.12 1911.08 2.865 231.49 1912.08 2.891 232.83 1913.08 2.918 234.15 1914.08 2.945 235.44 1915.08 2.973 236.71 1916.08 3.002 237.95 1917.08 3.031 239.17 1918.08 3.061 240.37 1919.08 3.091 241.54 1920.08 3.122 242.69 1921.08 3.153 243.82 1922.08 3.184 244.93 1923.08 3.215 246.02 1924.08 3.246 247.08 1925.08 3.277 248.12 1926.08 3.308 249.15 1927.08 3.339 250.16 1928.08 3.369 251.14 1929.08 3.399 252.11 1930.08 3.428 253.07 1931.08 3.457 254.00 1932.08 3.485 254.93 1933.08 3.512 255.83 1934.08 3.538 256.73 1935.08 3.563 257.61 1936.08 3.586 258.48 1937.08 3.609 259.34 1938.08 3.629 260.18 1939.08 3.648 261.02 1940.08 3.665 261.85 1941.08 3.679 262.68 1942.08 3.691 263.50 1943.08 3.701 264.31 1944.08 3.707 265.12 1945.08 3.710 265.93 1946.08 3.709 266.73 1947.08 3.704 267.54 1948.08 3.695 268.35 1949.08 3.680 269.17 1950.08 3.660 269.99 1951.08 3.633 270.83 1952.08 3.599 271.68 1953.08 3.557 272.55 1954.08 3.505 273.44 1955.08 3.442 274.36 1956.08 3.366 275.31 1957.08 3.276 276.32 1958.08 3.169 277.39 1959.08 3.041 278.54 1960.08 2.889 279.80 1961.08 2.707 281.22 1962.08 2.490 282.86 1963.08 2.229 284.86 1964.08 1.916 287.45 1965.08 1.544 291.19 1966.08 1.113 297.61 1967.08 0.652 312.92 1968.08 0.349 10.29 1969.08 0.638 69.83 1970.08 1.106 85.65 1971.08 1.560 92.06 1972.08 1.975 95.65 1973.08 2.348 98.04 1974.08 2.683 99.80 1975.08 2.984 101.18 1976.08 3.255 102.32 1977.08 3.501 103.30 1978.08 3.724 104.15 1979.08 3.928 104.91 1980.08 4.114 105.59 1981.08 4.286 106.22 1982.08 4.444 106.81 1983.08 4.589 107.35 1984.08 4.724 107.86 1985.08 4.848 108.35 1986.08 4.964 108.81 1987.08 5.071 109.25 1988.08 5.170 109.67 1989.08 5.262 110.08 1990.08 5.348 110.48 1991.08 5.428 110.86 1992.08 5.502 111.23 1993.08 5.571 111.59 1994.08 5.634 111.95 1995.08 5.694 112.29 1996.08 5.748 112.63 1997.08 5.799 112.97 1998.08 5.846 113.29 1999.08 5.889 113.62 2000.08 5.928 113.93 2001.08 5.964 114.25 2002.08 5.997 114.56 2003.08 6.027 114.87 2004.08 6.054 115.17 2005.08 6.079 115.47 2006.08 6.100 115.77 2007.08 6.120 116.07 2008.08 6.137 116.37 2009.08 6.151 116.66 2010.08 6.163 116.95 2011.08 6.174 117.24 2012.08 6.182 117.54 2013.08 6.188 117.83 2014.08 6.192 118.12 2015.08 6.195 118.41 2016.08 6.195 118.69 2017.08 6.194 118.98 2018.08 6.192 119.27 2019.08 6.188 119.56 2020.08 6.182 119.85 2021.08 6.175 120.15 2022.08 6.166 120.44 2023.08 6.156 120.73 2024.08 6.145 121.02 2025.08 6.132 121.32 2026.08 6.118 121.61 2027.08 6.103 121.91 2028.08 6.086 122.21 2029.08 6.069 122.51 2030.08 6.050 122.81 2031.08 6.031 123.12 2032.08 6.010 123.42 2033.08 5.988 123.73 2034.08 5.965 124.04 2035.08 5.942 124.36 2036.08 5.917 124.67 2037.08 5.891 124.99 2038.08 5.865 125.31 2039.08 5.838 125.64 2040.08 5.810 125.97 2041.08 5.781 126.30 2042.08 5.751 126.63 2043.08 5.721 126.97 2044.08 5.689 127.31 2045.08 5.658 127.65 2046.08 5.625 128.00 2047.08 5.592 128.36 2048.08 5.558 128.71 2049.08 5.523 129.08 2050.08 5.488 129.44 2051.08 5.452 129.81 2052.08 5.416 130.19 2053.08 5.379 130.57 2054.08 5.342 130.96 2055.08 5.304 131.35 2056.08 5.266 131.75 2057.08 5.227 132.15 2058.08 5.187 132.56 2059.08 5.148 132.98 2060.08 5.107 133.40 2061.08 5.067 133.83 2062.08 5.026 134.26 2063.08 4.985 134.71 2064.08 4.943 135.16 2065.08 4.901 135.62 2066.08 4.858 136.08 2067.08 4.816 136.56 2068.08 4.773 137.04 2069.08 4.730 137.53 2070.08 4.686 138.04 2071.08 4.642 138.55 2072.08 4.598 139.07 2073.08 4.554 139.60 2074.08 4.510 140.14 2075.08 4.466 140.69 2076.08 4.421 141.25 2077.08 4.377 141.83 2078.08 4.332 142.41 2079.08 4.287 143.01 2080.08 4.242 143.62 2081.08 4.197 144.24 2082.08 4.152 144.88 2083.08 4.108 145.53 2084.08 4.063 146.20 2085.08 4.018 146.88 2086.08 3.973 147.57 2087.08 3.929 148.29 2088.08 3.884 149.01 2089.08 3.840 149.76 2090.08 3.796 150.52 2091.08 3.752 151.30 2092.08 3.709 152.10 2093.08 3.666 152.92 2094.08 3.623 153.75 2095.08 3.580 154.61 2096.08 3.538 155.49 2097.08 3.496 156.38 2098.08 3.455 157.30 2099.08 3.414 158.24 2100.08 3.374 159.21 2101.08 3.334 160.20 2102.08 3.295 161.21 2103.08 3.256 162.24 2104.08 3.219 163.30 2105.08 3.182 164.39 2106.08 3.145 165.50 2107.08 3.110 166.63 2108.08 3.075 167.80 2109.08 3.041 168.98 2110.08 3.008 170.20 2111.08 2.977 171.44 2112.08 2.946 172.70 2113.08 2.916 174.00 2114.08 2.887 175.32 2115.08 2.860 176.66 2116.08 2.834 178.03 2117.08 2.809 179.43 2118.08 2.785 180.85 2119.08 2.763 182.29 2120.08 2.742 183.76 2121.08 2.723 185.25 2122.08 2.705 186.76 2123.08 2.688 188.28 2124.08 2.673 189.83 2125.08 2.660 191.39 2126.08 2.648 192.97 2127.08 2.638 194.56 2128.08 2.629 196.16 2129.08 2.623 197.77 2130.08 2.617 199.39 2131.08 2.614 201.02 2132.08 2.612 202.64 2133.08 2.612 204.27 2134.08 2.614 205.90 2135.08 2.617 207.52 2136.08 2.622 209.14 2137.08 2.628 210.75 2138.08 2.636 212.36 2139.08 2.646 213.95 2140.08 2.657 215.53 2141.08 2.670 217.10 2142.08 2.684 218.65 2143.08 2.700 220.18 2144.08 2.717 221.69
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:14:13 |