| WDS: | I507AB | WDS ID/Discoverer |
| P: | 205.690 | Orbital period (years) |
| a: | 1.052 | Semi-major axis (arcseconds) |
| i: | 87.9 | Inclination (degrees) |
| Ω: | 4.3 | Longitude of ascending node (degrees) |
| T: | 2024.147 | Epoch of periastron passage (year) |
| e: | 0.429 | Eccentricity |
| ω: | 69.6 | Longitude of periastron (degrees) |
| Start-Year: | 1922.155 | Year |
| End-Year: | 2127.845 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for I507AB |
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| Position: | 112205.29-244639.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11221-2447 | WDS designation |
| Discoverer Code: | I507AB | Discover designation and components |
| ADS number: | 8141 | Aitken Double Star catalog |
| HD number: | 98800 | HD catalog number |
| Hipparcos number: | 55505 | Hipparcos catalog number |
| V1: | 9.59 | Magnitude of the primary |
| V2: | 10.06 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Tok2018e | 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 0.097 17.28 -------------------------- 1922.15 0.510 190.13 1923.15 0.491 190.39 1924.15 0.472 190.66 1925.15 0.453 190.96 1926.15 0.433 191.29 1927.15 0.413 191.65 1928.15 0.394 192.04 1929.15 0.374 192.48 1930.15 0.354 192.96 1931.15 0.334 193.51 1932.15 0.313 194.12 1933.15 0.293 194.82 1934.15 0.273 195.62 1935.15 0.253 196.55 1936.15 0.232 197.64 1937.15 0.212 198.94 1938.15 0.192 200.52 1939.15 0.172 202.47 1940.15 0.152 204.92 1941.15 0.132 208.12 1942.15 0.113 212.41 1943.15 0.095 218.39 1944.15 0.078 227.06 1945.15 0.064 239.97 1946.15 0.055 258.56 1947.15 0.053 281.25 1948.15 0.059 302.17 1949.15 0.071 317.50 1950.15 0.087 327.83 1951.15 0.105 334.85 1952.15 0.124 339.80 1953.15 0.143 343.42 1954.15 0.163 346.18 1955.15 0.183 348.33 1956.15 0.203 350.06 1957.15 0.223 351.47 1958.15 0.243 352.65 1959.15 0.264 353.65 1960.15 0.284 354.51 1961.15 0.304 355.25 1962.15 0.324 355.90 1963.15 0.344 356.48 1964.15 0.363 356.99 1965.15 0.383 357.46 1966.15 0.402 357.87 1967.15 0.422 358.25 1968.15 0.441 358.59 1969.15 0.460 358.91 1970.15 0.478 359.20 1971.15 0.496 359.47 1972.15 0.515 359.72 1973.15 0.532 359.96 1974.15 0.550 0.18 1975.15 0.567 0.38 1976.15 0.584 0.58 1977.15 0.600 0.76 1978.15 0.616 0.93 1979.15 0.632 1.10 1980.15 0.647 1.25 1981.15 0.662 1.40 1982.15 0.676 1.55 1983.15 0.689 1.68 1984.15 0.703 1.82 1985.15 0.715 1.94 1986.15 0.727 2.07 1987.15 0.738 2.19 1988.15 0.749 2.30 1989.15 0.758 2.42 1990.15 0.767 2.53 1991.15 0.776 2.63 1992.15 0.783 2.74 1993.15 0.789 2.84 1994.15 0.795 2.95 1995.15 0.799 3.05 1996.15 0.803 3.15 1997.15 0.805 3.25 1998.15 0.806 3.34 1999.15 0.806 3.44 2000.15 0.804 3.54 2001.15 0.801 3.64 2002.15 0.797 3.74 2003.15 0.791 3.84 2004.15 0.783 3.95 2005.15 0.774 4.05 2006.15 0.763 4.16 2007.15 0.750 4.27 2008.15 0.735 4.39 2009.15 0.718 4.51 2010.15 0.699 4.64 2011.15 0.678 4.77 2012.15 0.655 4.92 2013.15 0.630 5.07 2014.15 0.602 5.24 2015.15 0.572 5.43 2016.15 0.540 5.64 2017.15 0.505 5.87 2018.15 0.469 6.14 2019.15 0.430 6.46 2020.15 0.389 6.84 2021.15 0.347 7.32 2022.15 0.303 7.93 2023.15 0.257 8.75 2024.15 0.210 9.94 2025.15 0.162 11.82 2026.15 0.114 15.28 2027.15 0.066 23.80 2028.15 0.026 64.88 2029.15 0.044 153.11 2030.15 0.090 169.72 2031.15 0.138 174.89 2032.15 0.186 177.38 2033.15 0.234 178.85 2034.15 0.281 179.83 2035.15 0.327 180.53 2036.15 0.371 181.05 2037.15 0.415 181.47 2038.15 0.457 181.81 2039.15 0.498 182.09 2040.15 0.537 182.33 2041.15 0.575 182.54 2042.15 0.611 182.72 2043.15 0.646 182.88 2044.15 0.680 183.03 2045.15 0.712 183.16 2046.15 0.742 183.28 2047.15 0.771 183.39 2048.15 0.799 183.50 2049.15 0.825 183.60 2050.15 0.850 183.69 2051.15 0.874 183.77 2052.15 0.896 183.85 2053.15 0.917 183.93 2054.15 0.937 184.01 2055.15 0.956 184.08 2056.15 0.973 184.15 2057.15 0.989 184.21 2058.15 1.004 184.28 2059.15 1.019 184.34 2060.15 1.032 184.40 2061.15 1.044 184.46 2062.15 1.055 184.52 2063.15 1.065 184.58 2064.15 1.074 184.63 2065.15 1.082 184.69 2066.15 1.090 184.74 2067.15 1.096 184.80 2068.15 1.102 184.85 2069.15 1.107 184.90 2070.15 1.111 184.95 2071.15 1.114 185.01 2072.15 1.117 185.06 2073.15 1.119 185.11 2074.15 1.120 185.16 2075.15 1.121 185.21 2076.15 1.120 185.26 2077.15 1.120 185.31 2078.15 1.118 185.36 2079.15 1.116 185.42 2080.15 1.113 185.47 2081.15 1.110 185.52 2082.15 1.106 185.57 2083.15 1.102 185.62 2084.15 1.097 185.68 2085.15 1.092 185.73 2086.15 1.086 185.78 2087.15 1.079 185.84 2088.15 1.072 185.89 2089.15 1.065 185.95 2090.15 1.057 186.01 2091.15 1.049 186.07 2092.15 1.040 186.12 2093.15 1.031 186.18 2094.15 1.021 186.25 2095.15 1.011 186.31 2096.15 1.000 186.37 2097.15 0.990 186.44 2098.15 0.978 186.50 2099.15 0.967 186.57 2100.15 0.955 186.64 2101.15 0.943 186.71 2102.15 0.930 186.78 2103.15 0.917 186.86 2104.15 0.904 186.94 2105.15 0.890 187.02 2106.15 0.876 187.10 2107.15 0.862 187.18 2108.15 0.847 187.27 2109.15 0.832 187.36 2110.15 0.817 187.46 2111.15 0.802 187.55 2112.15 0.786 187.66 2113.15 0.770 187.76 2114.15 0.754 187.87 2115.15 0.737 187.99 2116.15 0.721 188.11 2117.15 0.704 188.23 2118.15 0.687 188.37 2119.15 0.669 188.51 2120.15 0.652 188.65 2121.15 0.634 188.81 2122.15 0.616 188.97 2123.15 0.598 189.15 2124.15 0.580 189.33 2125.15 0.561 189.53 2126.15 0.542 189.74 2127.15 0.523 189.97
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:37:47 |