| WDS: | I173 | WDS ID/Discoverer |
| P: | 187.170 | Orbital period (years) |
| a: | 0.5905 | Semi-major axis (arcseconds) |
| i: | 46.171 | Inclination (degrees) |
| Ω: | 8.891 | Longitude of ascending node (degrees) |
| T: | 1932.372 | Epoch of periastron passage (year) |
| e: | 0.66172 | Eccentricity |
| ω: | 185.093 | Longitude of periastron (degrees) |
| Start-Year: | 1931.4152 | Year |
| End-Year: | 2118.5848 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for I173 |
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| Position: | 100611.22-472211.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 10062-4722 | WDS designation |
| Discoverer Code: | I173 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 87783 | HD catalog number |
| Hipparcos number: | 49485 | Hipparcos catalog number |
| V1: | 5.32 | Magnitude of the primary |
| V2: | 7.10 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2014 | 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: | Izm2019 | 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 0.979 12.62 -------------------------- 1931.42 0.201 184.10 1932.42 0.199 192.80 1933.42 0.197 201.68 1934.42 0.193 210.83 1935.42 0.190 220.29 1936.42 0.188 230.04 1937.42 0.188 239.91 1938.42 0.190 249.69 1939.42 0.195 259.12 1940.42 0.203 267.96 1941.42 0.213 276.06 1942.42 0.225 283.34 1943.42 0.239 289.82 1944.42 0.254 295.56 1945.42 0.271 300.62 1946.42 0.288 305.09 1947.42 0.305 309.06 1948.42 0.323 312.59 1949.42 0.341 315.76 1950.42 0.359 318.61 1951.42 0.377 321.19 1952.42 0.394 323.53 1953.42 0.412 325.68 1954.42 0.429 327.65 1955.42 0.446 329.47 1956.42 0.463 331.15 1957.42 0.480 332.72 1958.42 0.496 334.18 1959.42 0.512 335.55 1960.42 0.528 336.84 1961.42 0.543 338.06 1962.42 0.558 339.20 1963.42 0.573 340.29 1964.42 0.587 341.33 1965.42 0.602 342.31 1966.42 0.615 343.25 1967.42 0.629 344.15 1968.42 0.642 345.01 1969.42 0.655 345.84 1970.42 0.668 346.64 1971.42 0.680 347.40 1972.42 0.692 348.14 1973.42 0.704 348.86 1974.42 0.715 349.55 1975.42 0.727 350.22 1976.42 0.737 350.87 1977.42 0.748 351.50 1978.42 0.758 352.12 1979.42 0.769 352.71 1980.42 0.778 353.29 1981.42 0.788 353.86 1982.42 0.797 354.42 1983.42 0.806 354.96 1984.42 0.815 355.49 1985.42 0.824 356.01 1986.42 0.832 356.52 1987.42 0.840 357.01 1988.42 0.848 357.50 1989.42 0.855 357.98 1990.42 0.863 358.45 1991.42 0.870 358.92 1992.42 0.877 359.38 1993.42 0.883 359.83 1994.42 0.889 0.27 1995.42 0.896 0.71 1996.42 0.902 1.14 1997.42 0.907 1.56 1998.42 0.913 1.98 1999.42 0.918 2.40 2000.42 0.923 2.81 2001.42 0.928 3.22 2002.42 0.932 3.62 2003.42 0.937 4.02 2004.42 0.941 4.41 2005.42 0.945 4.81 2006.42 0.948 5.19 2007.42 0.952 5.58 2008.42 0.955 5.96 2009.42 0.958 6.34 2010.42 0.961 6.72 2011.42 0.964 7.10 2012.42 0.966 7.47 2013.42 0.968 7.84 2014.42 0.971 8.21 2015.42 0.972 8.58 2016.42 0.974 8.95 2017.42 0.975 9.32 2018.42 0.977 9.68 2019.42 0.978 10.05 2020.42 0.978 10.41 2021.42 0.979 10.77 2022.42 0.979 11.14 2023.42 0.980 11.50 2024.42 0.980 11.86 2025.42 0.979 12.23 2026.42 0.979 12.59 2027.42 0.978 12.95 2028.42 0.978 13.32 2029.42 0.977 13.68 2030.42 0.975 14.05 2031.42 0.974 14.41 2032.42 0.972 14.78 2033.42 0.971 15.15 2034.42 0.969 15.52 2035.42 0.966 15.89 2036.42 0.964 16.27 2037.42 0.961 16.64 2038.42 0.958 17.02 2039.42 0.955 17.40 2040.42 0.952 17.78 2041.42 0.949 18.17 2042.42 0.945 18.56 2043.42 0.941 18.95 2044.42 0.937 19.34 2045.42 0.933 19.74 2046.42 0.929 20.14 2047.42 0.924 20.55 2048.42 0.919 20.96 2049.42 0.914 21.37 2050.42 0.909 21.79 2051.42 0.903 22.22 2052.42 0.897 22.65 2053.42 0.892 23.08 2054.42 0.885 23.52 2055.42 0.879 23.97 2056.42 0.873 24.42 2057.42 0.866 24.88 2058.42 0.859 25.35 2059.42 0.852 25.83 2060.42 0.844 26.31 2061.42 0.836 26.81 2062.42 0.829 27.31 2063.42 0.820 27.82 2064.42 0.812 28.34 2065.42 0.804 28.88 2066.42 0.795 29.42 2067.42 0.786 29.98 2068.42 0.776 30.55 2069.42 0.767 31.14 2070.42 0.757 31.74 2071.42 0.747 32.35 2072.42 0.737 32.98 2073.42 0.727 33.63 2074.42 0.716 34.30 2075.42 0.705 34.99 2076.42 0.694 35.70 2077.42 0.682 36.44 2078.42 0.671 37.20 2079.42 0.659 37.99 2080.42 0.647 38.81 2081.42 0.634 39.65 2082.42 0.622 40.54 2083.42 0.609 41.46 2084.42 0.595 42.42 2085.42 0.582 43.42 2086.42 0.568 44.48 2087.42 0.554 45.58 2088.42 0.540 46.74 2089.42 0.526 47.97 2090.42 0.511 49.26 2091.42 0.496 50.64 2092.42 0.481 52.09 2093.42 0.466 53.65 2094.42 0.450 55.30 2095.42 0.435 57.08 2096.42 0.419 58.99 2097.42 0.403 61.06 2098.42 0.387 63.29 2099.42 0.371 65.72 2100.42 0.355 68.36 2101.42 0.339 71.26 2102.42 0.323 74.45 2103.42 0.307 77.96 2104.42 0.292 81.84 2105.42 0.277 86.15 2106.42 0.263 90.92 2107.42 0.250 96.22 2108.42 0.238 102.08 2109.42 0.227 108.52 2110.42 0.218 115.54 2111.42 0.211 123.11 2112.42 0.206 131.14 2113.42 0.202 139.51 2114.42 0.201 148.08 2115.42 0.200 156.74 2116.42 0.201 165.40 2117.42 0.201 174.02 2118.42 0.201 182.64
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:24:08 |