| WDS: | A1564 | WDS ID/Discoverer |
| P: | 181.700 | Orbital period (years) |
| a: | 0.232 | Semi-major axis (arcseconds) |
| i: | 71.0 | Inclination (degrees) |
| Ω: | 160.8 | Longitude of ascending node (degrees) |
| T: | 1845.800 | Epoch of periastron passage (year) |
| e: | 0.207 | Eccentricity |
| ω: | 50.6 | Longitude of periastron (degrees) |
| Start-Year: | 1934.15 | Year |
| End-Year: | 2115.85 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A1564 |
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| Position: | 053922.55+434233.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 05394+4343 | WDS designation |
| Discoverer Code: | A1564 | Discover designation and components |
| ADS number: | 4236 | Aitken Double Star catalog |
| HD number: | 37265 | HD catalog number |
| Hipparcos number: | 26607 | Hipparcos catalog number |
| V1: | 8.98 | Magnitude of the primary |
| V2: | 9.15 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1997 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | USN2006a | 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 0.132 180.37 -------------------------- 1934.15 0.201 0.22 1935.15 0.197 1.07 1936.15 0.193 1.96 1937.15 0.189 2.89 1938.15 0.185 3.86 1939.15 0.181 4.88 1940.15 0.176 5.95 1941.15 0.172 7.07 1942.15 0.167 8.26 1943.15 0.163 9.50 1944.15 0.158 10.82 1945.15 0.154 12.22 1946.15 0.149 13.71 1947.15 0.144 15.29 1948.15 0.140 16.97 1949.15 0.135 18.77 1950.15 0.131 20.69 1951.15 0.126 22.74 1952.15 0.122 24.95 1953.15 0.118 27.31 1954.15 0.114 29.85 1955.15 0.110 32.57 1956.15 0.106 35.50 1957.15 0.102 38.63 1958.15 0.099 41.97 1959.15 0.096 45.54 1960.15 0.093 49.32 1961.15 0.091 53.31 1962.15 0.089 57.50 1963.15 0.088 61.84 1964.15 0.087 66.32 1965.15 0.086 70.88 1966.15 0.086 75.47 1967.15 0.086 80.06 1968.15 0.087 84.57 1969.15 0.089 88.98 1970.15 0.090 93.23 1971.15 0.092 97.31 1972.15 0.095 101.19 1973.15 0.098 104.85 1974.15 0.101 108.30 1975.15 0.104 111.53 1976.15 0.108 114.56 1977.15 0.112 117.38 1978.15 0.115 120.02 1979.15 0.120 122.48 1980.15 0.124 124.78 1981.15 0.128 126.93 1982.15 0.132 128.95 1983.15 0.136 130.83 1984.15 0.140 132.61 1985.15 0.145 134.28 1986.15 0.149 135.86 1987.15 0.153 137.36 1988.15 0.157 138.77 1989.15 0.161 140.12 1990.15 0.164 141.41 1991.15 0.168 142.63 1992.15 0.172 143.81 1993.15 0.175 144.94 1994.15 0.178 146.03 1995.15 0.181 147.08 1996.15 0.184 148.10 1997.15 0.187 149.09 1998.15 0.189 150.05 1999.15 0.191 150.99 2000.15 0.193 151.91 2001.15 0.195 152.81 2002.15 0.196 153.70 2003.15 0.197 154.58 2004.15 0.198 155.45 2005.15 0.199 156.31 2006.15 0.199 157.17 2007.15 0.199 158.03 2008.15 0.198 158.89 2009.15 0.198 159.76 2010.15 0.197 160.63 2011.15 0.195 161.52 2012.15 0.193 162.42 2013.15 0.191 163.34 2014.15 0.189 164.28 2015.15 0.186 165.25 2016.15 0.183 166.25 2017.15 0.179 167.28 2018.15 0.175 168.36 2019.15 0.171 169.49 2020.15 0.167 170.68 2021.15 0.162 171.93 2022.15 0.157 173.27 2023.15 0.152 174.70 2024.15 0.146 176.23 2025.15 0.140 177.89 2026.15 0.134 179.70 2027.15 0.128 181.68 2028.15 0.121 183.87 2029.15 0.115 186.30 2030.15 0.108 189.02 2031.15 0.102 192.09 2032.15 0.096 195.58 2033.15 0.089 199.56 2034.15 0.083 204.12 2035.15 0.078 209.35 2036.15 0.073 215.34 2037.15 0.069 222.13 2038.15 0.065 229.70 2039.15 0.063 237.93 2040.15 0.062 246.58 2041.15 0.063 255.31 2042.15 0.064 263.76 2043.15 0.067 271.64 2044.15 0.071 278.77 2045.15 0.076 285.09 2046.15 0.081 290.62 2047.15 0.087 295.44 2048.15 0.093 299.63 2049.15 0.100 303.29 2050.15 0.106 306.49 2051.15 0.113 309.31 2052.15 0.120 311.81 2053.15 0.127 314.04 2054.15 0.134 316.04 2055.15 0.140 317.85 2056.15 0.147 319.49 2057.15 0.154 321.00 2058.15 0.160 322.38 2059.15 0.166 323.66 2060.15 0.172 324.84 2061.15 0.178 325.95 2062.15 0.184 326.98 2063.15 0.190 327.96 2064.15 0.195 328.88 2065.15 0.200 329.75 2066.15 0.205 330.57 2067.15 0.210 331.36 2068.15 0.214 332.12 2069.15 0.219 332.84 2070.15 0.223 333.54 2071.15 0.227 334.21 2072.15 0.230 334.86 2073.15 0.234 335.50 2074.15 0.237 336.11 2075.15 0.240 336.71 2076.15 0.243 337.29 2077.15 0.245 337.86 2078.15 0.248 338.42 2079.15 0.250 338.97 2080.15 0.252 339.51 2081.15 0.254 340.04 2082.15 0.255 340.56 2083.15 0.256 341.08 2084.15 0.257 341.60 2085.15 0.258 342.11 2086.15 0.259 342.62 2087.15 0.260 343.12 2088.15 0.260 343.62 2089.15 0.260 344.13 2090.15 0.260 344.63 2091.15 0.260 345.13 2092.15 0.259 345.64 2093.15 0.258 346.15 2094.15 0.258 346.66 2095.15 0.257 347.17 2096.15 0.255 347.69 2097.15 0.254 348.21 2098.15 0.252 348.74 2099.15 0.251 349.28 2100.15 0.249 349.82 2101.15 0.247 350.38 2102.15 0.245 350.94 2103.15 0.242 351.51 2104.15 0.240 352.09 2105.15 0.237 352.69 2106.15 0.235 353.30 2107.15 0.232 353.93 2108.15 0.229 354.57 2109.15 0.226 355.22 2110.15 0.222 355.90 2111.15 0.219 356.60 2112.15 0.215 357.32 2113.15 0.212 358.07 2114.15 0.208 358.84 2115.15 0.204 359.64
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| Report created: |
2026-06-25 15:39:39 |