| WDS: | B1618 | WDS ID/Discoverer |
| P: | 180.000 | Orbital period (years) |
| a: | 0.167 | Semi-major axis (arcseconds) |
| i: | 52.7 | Inclination (degrees) |
| Ω: | 75.0 | Longitude of ascending node (degrees) |
| T: | 2020.460 | Epoch of periastron passage (year) |
| e: | 0.395 | Eccentricity |
| ω: | 231.7 | Longitude of periastron (degrees) |
| Start-Year: | 1935.0 | Year |
| End-Year: | 2115.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for B1618 |
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| Position: | 083731.08-390613.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 08375-3906 | WDS designation |
| Discoverer Code: | B1618 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 10.0 | Magnitude of the primary |
| V2: | 10.2 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2022 | 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: | Tok2023a | 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 0.065 330.77 -------------------------- 1935.00 0.175 116.93 1936.00 0.173 117.95 1937.00 0.171 119.00 1938.00 0.170 120.07 1939.00 0.168 121.15 1940.00 0.166 122.26 1941.00 0.165 123.40 1942.00 0.163 124.56 1943.00 0.161 125.74 1944.00 0.159 126.95 1945.00 0.158 128.19 1946.00 0.156 129.45 1947.00 0.154 130.74 1948.00 0.152 132.07 1949.00 0.151 133.42 1950.00 0.149 134.81 1951.00 0.147 136.23 1952.00 0.145 137.68 1953.00 0.144 139.17 1954.00 0.142 140.69 1955.00 0.140 142.24 1956.00 0.139 143.84 1957.00 0.137 145.47 1958.00 0.136 147.13 1959.00 0.134 148.84 1960.00 0.133 150.58 1961.00 0.131 152.36 1962.00 0.130 154.17 1963.00 0.129 156.03 1964.00 0.128 157.91 1965.00 0.126 159.84 1966.00 0.125 161.80 1967.00 0.124 163.79 1968.00 0.123 165.81 1969.00 0.123 167.87 1970.00 0.122 169.95 1971.00 0.121 172.06 1972.00 0.120 174.19 1973.00 0.120 176.34 1974.00 0.119 178.51 1975.00 0.119 180.70 1976.00 0.119 182.91 1977.00 0.118 185.12 1978.00 0.118 187.34 1979.00 0.118 189.57 1980.00 0.118 191.80 1981.00 0.118 194.02 1982.00 0.118 196.25 1983.00 0.118 198.47 1984.00 0.119 200.69 1985.00 0.119 202.89 1986.00 0.119 205.09 1987.00 0.119 207.27 1988.00 0.120 209.44 1989.00 0.120 211.60 1990.00 0.121 213.74 1991.00 0.121 215.87 1992.00 0.121 217.99 1993.00 0.122 220.10 1994.00 0.122 222.19 1995.00 0.122 224.27 1996.00 0.122 226.35 1997.00 0.123 228.42 1998.00 0.123 230.48 1999.00 0.123 232.55 2000.00 0.122 234.61 2001.00 0.122 236.69 2002.00 0.122 238.77 2003.00 0.121 240.88 2004.00 0.120 243.00 2005.00 0.120 245.16 2006.00 0.118 247.35 2007.00 0.117 249.58 2008.00 0.116 251.88 2009.00 0.114 254.23 2010.00 0.112 256.67 2011.00 0.110 259.21 2012.00 0.107 261.85 2013.00 0.104 264.63 2014.00 0.101 267.56 2015.00 0.098 270.68 2016.00 0.095 274.01 2017.00 0.091 277.60 2018.00 0.088 281.47 2019.00 0.084 285.67 2020.00 0.081 290.25 2021.00 0.077 295.26 2022.00 0.074 300.72 2023.00 0.071 306.66 2024.00 0.068 313.07 2025.00 0.066 319.91 2026.00 0.065 327.09 2027.00 0.065 334.47 2028.00 0.065 341.89 2029.00 0.066 349.18 2030.00 0.068 356.16 2031.00 0.070 2.73 2032.00 0.073 8.82 2033.00 0.076 14.40 2034.00 0.080 19.47 2035.00 0.084 24.06 2036.00 0.089 28.21 2037.00 0.093 31.97 2038.00 0.098 35.38 2039.00 0.102 38.48 2040.00 0.107 41.31 2041.00 0.112 43.91 2042.00 0.116 46.31 2043.00 0.121 48.52 2044.00 0.125 50.58 2045.00 0.129 52.49 2046.00 0.134 54.29 2047.00 0.138 55.97 2048.00 0.142 57.56 2049.00 0.146 59.07 2050.00 0.149 60.50 2051.00 0.153 61.85 2052.00 0.156 63.15 2053.00 0.160 64.39 2054.00 0.163 65.59 2055.00 0.166 66.74 2056.00 0.169 67.84 2057.00 0.172 68.91 2058.00 0.174 69.95 2059.00 0.177 70.95 2060.00 0.179 71.93 2061.00 0.182 72.88 2062.00 0.184 73.81 2063.00 0.186 74.72 2064.00 0.188 75.61 2065.00 0.190 76.48 2066.00 0.191 77.33 2067.00 0.193 78.17 2068.00 0.195 79.00 2069.00 0.196 79.81 2070.00 0.197 80.61 2071.00 0.198 81.41 2072.00 0.199 82.19 2073.00 0.200 82.97 2074.00 0.201 83.74 2075.00 0.202 84.50 2076.00 0.203 85.26 2077.00 0.203 86.01 2078.00 0.204 86.76 2079.00 0.204 87.50 2080.00 0.205 88.25 2081.00 0.205 88.99 2082.00 0.205 89.73 2083.00 0.205 90.47 2084.00 0.205 91.20 2085.00 0.205 91.94 2086.00 0.205 92.68 2087.00 0.205 93.42 2088.00 0.204 94.16 2089.00 0.204 94.91 2090.00 0.204 95.66 2091.00 0.203 96.41 2092.00 0.202 97.16 2093.00 0.202 97.92 2094.00 0.201 98.69 2095.00 0.200 99.46 2096.00 0.200 100.24 2097.00 0.199 101.02 2098.00 0.198 101.81 2099.00 0.197 102.61 2100.00 0.196 103.42 2101.00 0.195 104.23 2102.00 0.193 105.06 2103.00 0.192 105.89 2104.00 0.191 106.74 2105.00 0.190 107.59 2106.00 0.188 108.46 2107.00 0.187 109.34 2108.00 0.186 110.24 2109.00 0.184 111.15 2110.00 0.183 112.07 2111.00 0.181 113.01 2112.00 0.180 113.96 2113.00 0.178 114.93 2114.00 0.176 115.92
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:09:06 |