| WDS: | HU539 | WDS ID/Discoverer |
| P: | 175.000 | Orbital period (years) |
| a: | 0.222 | Semi-major axis (arcseconds) |
| i: | 144.1 | Inclination (degrees) |
| Ω: | 19.4 | Longitude of ascending node (degrees) |
| T: | 2007.100 | Epoch of periastron passage (year) |
| e: | 0.684 | Eccentricity |
| ω: | 124.7 | Longitude of periastron (degrees) |
| Start-Year: | 1937.5 | Year |
| End-Year: | 2112.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for HU539 |
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| Position: | 024219.72+492458.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02423+4925 | WDS designation |
| Discoverer Code: | HU539 | Discover designation and components |
| ADS number: | 2051 | Aitken Double Star catalog |
| HD number: | 16692 | HD catalog number |
| Hipparcos number: | 12632 | Hipparcos catalog number |
| V1: | 9.22 | Magnitude of the primary |
| V2: | 9.52 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1995 | 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: | USN2002 | 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 0.160 135.16 -------------------------- 1937.50 0.329 59.03 1938.50 0.329 58.48 1939.50 0.328 57.92 1940.50 0.328 57.37 1941.50 0.327 56.81 1942.50 0.326 56.24 1943.50 0.325 55.68 1944.50 0.324 55.11 1945.50 0.323 54.54 1946.50 0.322 53.97 1947.50 0.321 53.39 1948.50 0.320 52.80 1949.50 0.319 52.22 1950.50 0.317 51.62 1951.50 0.316 51.03 1952.50 0.314 50.42 1953.50 0.313 49.81 1954.50 0.311 49.20 1955.50 0.309 48.57 1956.50 0.307 47.94 1957.50 0.305 47.31 1958.50 0.303 46.66 1959.50 0.301 46.00 1960.50 0.299 45.34 1961.50 0.297 44.66 1962.50 0.294 43.98 1963.50 0.292 43.28 1964.50 0.289 42.57 1965.50 0.286 41.85 1966.50 0.284 41.11 1967.50 0.281 40.35 1968.50 0.278 39.59 1969.50 0.274 38.80 1970.50 0.271 37.99 1971.50 0.268 37.17 1972.50 0.264 36.32 1973.50 0.260 35.45 1974.50 0.257 34.55 1975.50 0.253 33.63 1976.50 0.249 32.67 1977.50 0.244 31.69 1978.50 0.240 30.66 1979.50 0.235 29.60 1980.50 0.231 28.50 1981.50 0.226 27.35 1982.50 0.221 26.15 1983.50 0.215 24.89 1984.50 0.210 23.56 1985.50 0.204 22.17 1986.50 0.198 20.69 1987.50 0.192 19.12 1988.50 0.186 17.45 1989.50 0.180 15.65 1990.50 0.173 13.72 1991.50 0.166 11.63 1992.50 0.158 9.35 1993.50 0.151 6.84 1994.50 0.143 4.07 1995.50 0.135 0.96 1996.50 0.126 357.45 1997.50 0.118 353.43 1998.50 0.109 348.76 1999.50 0.100 343.26 2000.50 0.091 336.66 2001.50 0.082 328.63 2002.50 0.074 318.76 2003.50 0.067 306.63 2004.50 0.062 292.10 2005.50 0.059 275.66 2006.50 0.060 258.67 2007.50 0.063 242.68 2008.50 0.068 228.63 2009.50 0.074 216.66 2010.50 0.080 206.51 2011.50 0.086 197.83 2012.50 0.092 190.30 2013.50 0.098 183.67 2014.50 0.104 177.76 2015.50 0.109 172.45 2016.50 0.114 167.63 2017.50 0.119 163.22 2018.50 0.124 159.16 2019.50 0.129 155.41 2020.50 0.133 151.93 2021.50 0.138 148.68 2022.50 0.143 145.64 2023.50 0.147 142.78 2024.50 0.152 140.10 2025.50 0.156 137.56 2026.50 0.160 135.16 2027.50 0.164 132.88 2028.50 0.169 130.72 2029.50 0.173 128.66 2030.50 0.177 126.70 2031.50 0.181 124.82 2032.50 0.185 123.03 2033.50 0.189 121.31 2034.50 0.192 119.65 2035.50 0.196 118.07 2036.50 0.200 116.54 2037.50 0.204 115.07 2038.50 0.207 113.65 2039.50 0.211 112.28 2040.50 0.214 110.96 2041.50 0.218 109.67 2042.50 0.221 108.43 2043.50 0.225 107.23 2044.50 0.228 106.06 2045.50 0.231 104.92 2046.50 0.235 103.82 2047.50 0.238 102.74 2048.50 0.241 101.70 2049.50 0.244 100.68 2050.50 0.247 99.68 2051.50 0.250 98.71 2052.50 0.253 97.76 2053.50 0.256 96.84 2054.50 0.258 95.93 2055.50 0.261 95.04 2056.50 0.264 94.17 2057.50 0.267 93.32 2058.50 0.269 92.49 2059.50 0.272 91.67 2060.50 0.274 90.86 2061.50 0.277 90.07 2062.50 0.279 89.30 2063.50 0.281 88.53 2064.50 0.284 87.78 2065.50 0.286 87.04 2066.50 0.288 86.32 2067.50 0.290 85.60 2068.50 0.292 84.89 2069.50 0.294 84.20 2070.50 0.296 83.51 2071.50 0.298 82.83 2072.50 0.300 82.16 2073.50 0.302 81.50 2074.50 0.304 80.85 2075.50 0.305 80.20 2076.50 0.307 79.56 2077.50 0.309 78.93 2078.50 0.310 78.30 2079.50 0.312 77.68 2080.50 0.313 77.07 2081.50 0.314 76.46 2082.50 0.316 75.86 2083.50 0.317 75.26 2084.50 0.318 74.66 2085.50 0.319 74.07 2086.50 0.321 73.49 2087.50 0.322 72.91 2088.50 0.323 72.33 2089.50 0.324 71.76 2090.50 0.324 71.19 2091.50 0.325 70.62 2092.50 0.326 70.05 2093.50 0.327 69.49 2094.50 0.327 68.93 2095.50 0.328 68.37 2096.50 0.329 67.82 2097.50 0.329 67.26 2098.50 0.330 66.71 2099.50 0.330 66.16 2100.50 0.330 65.61 2101.50 0.331 65.06 2102.50 0.331 64.51 2103.50 0.331 63.97 2104.50 0.331 63.42 2105.50 0.331 62.87 2106.50 0.331 62.33 2107.50 0.331 61.78 2108.50 0.331 61.23 2109.50 0.330 60.68 2110.50 0.330 60.13 2111.50 0.330 59.58
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:03:25 |