| WDS: | CHR72AA,AB | WDS ID/Discoverer |
| P: | 210.000 | Orbital period (years) |
| a: | 0.185 | Semi-major axis (arcseconds) |
| i: | 50.0 | Inclination (degrees) |
| Ω: | 169.5 | Longitude of ascending node (degrees) |
| T: | 2007.200 | Epoch of periastron passage (year) |
| e: | 0.25 | Eccentricity |
| ω: | 67.0 | Longitude of periastron (degrees) |
| Start-Year: | 1920.0 | Year |
| End-Year: | 2130.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for CHR72AA,AB |
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| Position: | 183005.12+040355.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18301+0404 | WDS designation |
| Discoverer Code: | CHR72AA,AB | Discover designation and components |
| ADS number: | 11399 | Aitken Double Star catalog |
| HD number: | 170580 | HD catalog number |
| Hipparcos number: | 90676 | Hipparcos catalog number |
| V1: | 6.7 | Magnitude of the primary |
| V2: | 9.6 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2024 | 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: | Tok2024e | 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 0.114 302.23 -------------------------- 1920.00 0.146 73.51 1921.00 0.146 75.22 1922.00 0.145 76.94 1923.00 0.145 78.67 1924.00 0.145 80.41 1925.00 0.144 82.16 1926.00 0.144 83.92 1927.00 0.144 85.68 1928.00 0.144 87.44 1929.00 0.144 89.21 1930.00 0.144 90.98 1931.00 0.144 92.74 1932.00 0.144 94.50 1933.00 0.144 96.26 1934.00 0.144 98.02 1935.00 0.145 99.76 1936.00 0.145 101.50 1937.00 0.146 103.23 1938.00 0.146 104.95 1939.00 0.147 106.65 1940.00 0.147 108.35 1941.00 0.148 110.03 1942.00 0.148 111.69 1943.00 0.149 113.35 1944.00 0.150 114.98 1945.00 0.150 116.61 1946.00 0.151 118.21 1947.00 0.152 119.80 1948.00 0.153 121.38 1949.00 0.154 122.93 1950.00 0.154 124.47 1951.00 0.155 126.00 1952.00 0.156 127.51 1953.00 0.157 129.00 1954.00 0.158 130.48 1955.00 0.158 131.94 1956.00 0.159 133.39 1957.00 0.160 134.83 1958.00 0.161 136.25 1959.00 0.161 137.66 1960.00 0.162 139.06 1961.00 0.163 140.44 1962.00 0.163 141.82 1963.00 0.164 143.19 1964.00 0.164 144.55 1965.00 0.165 145.90 1966.00 0.165 147.25 1967.00 0.165 148.59 1968.00 0.165 149.92 1969.00 0.165 151.26 1970.00 0.166 152.59 1971.00 0.166 153.92 1972.00 0.165 155.26 1973.00 0.165 156.60 1974.00 0.165 157.94 1975.00 0.164 159.28 1976.00 0.164 160.64 1977.00 0.163 162.00 1978.00 0.163 163.38 1979.00 0.162 164.77 1980.00 0.161 166.17 1981.00 0.160 167.59 1982.00 0.158 169.04 1983.00 0.157 170.51 1984.00 0.156 172.00 1985.00 0.154 173.52 1986.00 0.152 175.08 1987.00 0.150 176.67 1988.00 0.149 178.31 1989.00 0.146 179.98 1990.00 0.144 181.71 1991.00 0.142 183.50 1992.00 0.139 185.34 1993.00 0.137 187.25 1994.00 0.134 189.24 1995.00 0.132 191.30 1996.00 0.129 193.45 1997.00 0.126 195.70 1998.00 0.123 198.05 1999.00 0.120 200.51 2000.00 0.117 203.10 2001.00 0.115 205.81 2002.00 0.112 208.67 2003.00 0.109 211.68 2004.00 0.106 214.84 2005.00 0.104 218.16 2006.00 0.101 221.65 2007.00 0.099 225.31 2008.00 0.097 229.13 2009.00 0.095 233.11 2010.00 0.093 237.23 2011.00 0.092 241.47 2012.00 0.091 245.82 2013.00 0.091 250.24 2014.00 0.090 254.69 2015.00 0.091 259.15 2016.00 0.091 263.58 2017.00 0.092 267.94 2018.00 0.093 272.20 2019.00 0.095 276.34 2020.00 0.097 280.34 2021.00 0.099 284.17 2022.00 0.101 287.84 2023.00 0.104 291.34 2024.00 0.106 294.66 2025.00 0.109 297.81 2026.00 0.112 300.80 2027.00 0.115 303.62 2028.00 0.118 306.30 2029.00 0.122 308.83 2030.00 0.125 311.23 2031.00 0.128 313.51 2032.00 0.132 315.68 2033.00 0.135 317.73 2034.00 0.138 319.69 2035.00 0.141 321.56 2036.00 0.145 323.35 2037.00 0.148 325.06 2038.00 0.151 326.70 2039.00 0.154 328.27 2040.00 0.157 329.79 2041.00 0.160 331.25 2042.00 0.162 332.66 2043.00 0.165 334.02 2044.00 0.168 335.34 2045.00 0.170 336.62 2046.00 0.173 337.86 2047.00 0.175 339.07 2048.00 0.177 340.25 2049.00 0.179 341.40 2050.00 0.181 342.52 2051.00 0.183 343.62 2052.00 0.185 344.70 2053.00 0.187 345.76 2054.00 0.188 346.80 2055.00 0.190 347.82 2056.00 0.191 348.82 2057.00 0.193 349.81 2058.00 0.194 350.79 2059.00 0.195 351.76 2060.00 0.196 352.71 2061.00 0.197 353.66 2062.00 0.198 354.60 2063.00 0.199 355.52 2064.00 0.199 356.45 2065.00 0.200 357.36 2066.00 0.200 358.27 2067.00 0.201 359.18 2068.00 0.201 0.08 2069.00 0.201 0.98 2070.00 0.202 1.88 2071.00 0.202 2.78 2072.00 0.202 3.68 2073.00 0.202 4.57 2074.00 0.202 5.47 2075.00 0.201 6.37 2076.00 0.201 7.27 2077.00 0.201 8.17 2078.00 0.201 9.08 2079.00 0.200 9.99 2080.00 0.200 10.90 2081.00 0.199 11.82 2082.00 0.198 12.75 2083.00 0.198 13.68 2084.00 0.197 14.61 2085.00 0.196 15.56 2086.00 0.195 16.51 2087.00 0.195 17.47 2088.00 0.194 18.44 2089.00 0.193 19.42 2090.00 0.192 20.41 2091.00 0.191 21.41 2092.00 0.190 22.42 2093.00 0.188 23.44 2094.00 0.187 24.47 2095.00 0.186 25.52 2096.00 0.185 26.58 2097.00 0.184 27.65 2098.00 0.183 28.74 2099.00 0.181 29.84 2100.00 0.180 30.96 2101.00 0.179 32.10 2102.00 0.177 33.25 2103.00 0.176 34.42 2104.00 0.175 35.61 2105.00 0.173 36.81 2106.00 0.172 38.04 2107.00 0.171 39.28 2108.00 0.169 40.54 2109.00 0.168 41.82 2110.00 0.167 43.12 2111.00 0.166 44.45 2112.00 0.164 45.79 2113.00 0.163 47.15 2114.00 0.162 48.54 2115.00 0.160 49.95 2116.00 0.159 51.38 2117.00 0.158 52.83 2118.00 0.157 54.30 2119.00 0.156 55.79 2120.00 0.155 57.31 2121.00 0.154 58.84 2122.00 0.153 60.40 2123.00 0.152 61.97 2124.00 0.151 63.57 2125.00 0.150 65.18 2126.00 0.149 66.81 2127.00 0.148 68.46 2128.00 0.148 70.13 2129.00 0.147 71.81
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:52:13 |