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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:56:17
WDS:
HDS2583
WDS ID/Discoverer
P:
332.169
Orbital period (years)
a:
0.196
Semi-major axis (arcseconds)
i:
148.4
Inclination (degrees)
Ω:
8.9
Longitude of ascending node (degrees)
T:
2014.309
Epoch of periastron passage (year)
e:
0.718
Eccentricity
ω:
291.1
Longitude of periastron (degrees)
Start-Year:
1859.0
Year
End-Year:
2191.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
181703.81-433541.3
Epoch-2000 right ascension and declination
WDS-ID:
18171-4336
WDS designation
Discoverer Code:
HDS2583
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
167384
HD catalog number
Hipparcos number:
89599
Hipparcos catalog number
V1:
8.88
Magnitude of the primary
V2:
9.95
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2018
Date of last observation
Orbit grade:
4
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.081 2.4
-------------------------
1859.0 0.295 251.5
1860.0 0.295 251.2
1861.0 0.295 250.9
1862.0 0.295 250.6
1863.0 0.295 250.3
1864.0 0.295 250.0
1865.0 0.295 249.8
1866.0 0.294 249.5
1867.0 0.294 249.2
1868.0 0.294 248.9
1869.0 0.294 248.6
1870.0 0.294 248.3
1871.0 0.294 248.0
1872.0 0.294 247.8
1873.0 0.293 247.5
1874.0 0.293 247.2
1875.0 0.293 246.9
1876.0 0.293 246.6
1877.0 0.293 246.3
1878.0 0.292 246.0
1879.0 0.292 245.7
1880.0 0.292 245.5
1881.0 0.292 245.2
1882.0 0.291 244.9
1883.0 0.291 244.6
1884.0 0.291 244.3
1885.0 0.290 244.0
1886.0 0.290 243.7
1887.0 0.289 243.4
1888.0 0.289 243.1
1889.0 0.289 242.8
1890.0 0.288 242.5
1891.0 0.288 242.2
1892.0 0.287 241.9
1893.0 0.287 241.6
1894.0 0.286 241.3
1895.0 0.286 241.0
1896.0 0.285 240.7
1897.0 0.285 240.4
1898.0 0.284 240.1
1899.0 0.284 239.8
1900.0 0.283 239.5
1901.0 0.282 239.2
1902.0 0.282 238.9
1903.0 0.281 238.6
1904.0 0.281 238.3
1905.0 0.280 237.9
1906.0 0.279 237.6
1907.0 0.278 237.3
1908.0 0.278 237.0
1909.0 0.277 236.7
1910.0 0.276 236.3
1911.0 0.275 236.0
1912.0 0.275 235.7
1913.0 0.274 235.4
1914.0 0.273 235.0
1915.0 0.272 234.7
1916.0 0.271 234.4
1917.0 0.270 234.0
1918.0 0.269 233.7
1919.0 0.269 233.4
1920.0 0.268 233.0
1921.0 0.267 232.7
1922.0 0.266 232.3
1923.0 0.265 232.0
1924.0 0.264 231.6
1925.0 0.263 231.3
1926.0 0.262 230.9
1927.0 0.260 230.5
1928.0 0.259 230.2
1929.0 0.258 229.8
1930.0 0.257 229.4
1931.0 0.256 229.1
1932.0 0.255 228.7
1933.0 0.253 228.3
1934.0 0.252 227.9
1935.0 0.251 227.5
1936.0 0.250 227.1
1937.0 0.248 226.7
1938.0 0.247 226.3
1939.0 0.246 225.9
1940.0 0.244 225.5
1941.0 0.243 225.1
1942.0 0.241 224.7
1943.0 0.240 224.2
1944.0 0.239 223.8
1945.0 0.237 223.4
1946.0 0.235 222.9
1947.0 0.234 222.5
1948.0 0.232 222.0
1949.0 0.231 221.6
1950.0 0.229 221.1
1951.0 0.227 220.6
1952.0 0.226 220.1
1953.0 0.224 219.7
1954.0 0.222 219.2
1955.0 0.220 218.7
1956.0 0.219 218.1
1957.0 0.217 217.6
1958.0 0.215 217.1
1959.0 0.213 216.6
1960.0 0.211 216.0
1961.0 0.209 215.4
1962.0 0.207 214.9
1963.0 0.205 214.3
1964.0 0.203 213.7
1965.0 0.201 213.1
1966.0 0.198 212.5
1967.0 0.196 211.8
1968.0 0.194 211.2
1969.0 0.192 210.5
1970.0 0.189 209.8
1971.0 0.187 209.1
1972.0 0.185 208.4
1973.0 0.182 207.7
1974.0 0.180 206.9
1975.0 0.177 206.2
1976.0 0.174 205.4
1977.0 0.172 204.5
1978.0 0.169 203.7
1979.0 0.166 202.8
1980.0 0.164 201.9
1981.0 0.161 201.0
1982.0 0.158 200.0
1983.0 0.155 199.0
1984.0 0.152 197.9
1985.0 0.149 196.8
1986.0 0.145 195.7
1987.0 0.142 194.5
1988.0 0.139 193.3
1989.0 0.136 191.9
1990.0 0.132 190.6
1991.0 0.129 189.1
1992.0 0.125 187.6
1993.0 0.121 186.0
1994.0 0.118 184.2
1995.0 0.114 182.4
1996.0 0.110 180.4
1997.0 0.106 178.3
1998.0 0.102 176.0
1999.0 0.098 173.5
2000.0 0.093 170.8
2001.0 0.089 167.8
2002.0 0.085 164.6
2003.0 0.080 160.9
2004.0 0.076 156.9
2005.0 0.072 152.4
2006.0 0.067 147.2
2007.0 0.063 141.4
2008.0 0.059 134.8
2009.0 0.056 127.4
2010.0 0.053 118.9
2011.0 0.050 109.5
2012.0 0.048 99.3
2013.0 0.048 88.6
2014.0 0.048 77.8
2015.0 0.049 67.3
2016.0 0.051 57.4
2017.0 0.054 48.4
2018.0 0.057 40.2
2019.0 0.060 32.9
2020.0 0.063 26.4
2021.0 0.067 20.6
2022.0 0.070 15.3
2023.0 0.074 10.6
2024.0 0.078 6.3
2025.0 0.081 2.4
2026.0 0.085 358.8
2027.0 0.088 355.5
2028.0 0.091 352.4
2029.0 0.095 349.6
2030.0 0.098 346.9
2031.0 0.101 344.4
2032.0 0.104 342.0
2033.0 0.107 339.8
2034.0 0.110 337.7
2035.0 0.113 335.7
2036.0 0.116 333.8
2037.0 0.119 332.0
2038.0 0.121 330.3
2039.0 0.124 328.7
2040.0 0.127 327.1
2041.0 0.129 325.6
2042.0 0.132 324.2
2043.0 0.134 322.8
2044.0 0.137 321.4
2045.0 0.139 320.1
2046.0 0.142 318.9
2047.0 0.144 317.7
2048.0 0.147 316.5
2049.0 0.149 315.4
2050.0 0.151 314.3
2051.0 0.154 313.2
2052.0 0.156 312.2
2053.0 0.158 311.2
2054.0 0.160 310.2
2055.0 0.162 309.3
2056.0 0.165 308.4
2057.0 0.167 307.5
2058.0 0.169 306.6
2059.0 0.171 305.7
2060.0 0.173 304.9
2061.0 0.175 304.1
2062.0 0.177 303.3
2063.0 0.179 302.5
2064.0 0.181 301.7
2065.0 0.183 301.0
2066.0 0.185 300.3
2067.0 0.187 299.5
2068.0 0.188 298.8
2069.0 0.190 298.2
2070.0 0.192 297.5
2071.0 0.194 296.8
2072.0 0.196 296.2
2073.0 0.197 295.5
2074.0 0.199 294.9
2075.0 0.201 294.3
2076.0 0.202 293.7
2077.0 0.204 293.1
2078.0 0.206 292.5
2079.0 0.207 291.9
2080.0 0.209 291.3
2081.0 0.211 290.8
2082.0 0.212 290.2
2083.0 0.214 289.7
2084.0 0.215 289.1
2085.0 0.217 288.6
2086.0 0.218 288.1
2087.0 0.220 287.6
2088.0 0.221 287.1
2089.0 0.223 286.6
2090.0 0.224 286.1
2091.0 0.226 285.6
2092.0 0.227 285.1
2093.0 0.228 284.6
2094.0 0.230 284.2
2095.0 0.231 283.7
2096.0 0.232 283.2
2097.0 0.234 282.8
2098.0 0.235 282.3
2099.0 0.236 281.9
2100.0 0.238 281.5
2101.0 0.239 281.0
2102.0 0.240 280.6
2103.0 0.241 280.2
2104.0 0.243 279.7
2105.0 0.244 279.3
2106.0 0.245 278.9
2107.0 0.246 278.5
2108.0 0.247 278.1
2109.0 0.248 277.7
2110.0 0.250 277.3
2111.0 0.251 276.9
2112.0 0.252 276.5
2113.0 0.253 276.1
2114.0 0.254 275.7
2115.0 0.255 275.4
2116.0 0.256 275.0
2117.0 0.257 274.6
2118.0 0.258 274.2
2119.0 0.259 273.9
2120.0 0.260 273.5
2121.0 0.261 273.1
2122.0 0.262 272.8
2123.0 0.263 272.4
2124.0 0.264 272.1
2125.0 0.265 271.7
2126.0 0.265 271.3
2127.0 0.266 271.0
2128.0 0.267 270.7
2129.0 0.268 270.3
2130.0 0.269 270.0
2131.0 0.270 269.6
2132.0 0.271 269.3
2133.0 0.271 269.0
2134.0 0.272 268.6
2135.0 0.273 268.3
2136.0 0.274 268.0
2137.0 0.274 267.6
2138.0 0.275 267.3
2139.0 0.276 267.0
2140.0 0.277 266.6
2141.0 0.277 266.3
2142.0 0.278 266.0
2143.0 0.279 265.7
2144.0 0.279 265.4
2145.0 0.280 265.1
2146.0 0.280 264.7
2147.0 0.281 264.4
2148.0 0.282 264.1
2149.0 0.282 263.8
2150.0 0.283 263.5
2151.0 0.283 263.2
2152.0 0.284 262.9
2153.0 0.284 262.6
2154.0 0.285 262.3
2155.0 0.285 262.0
2156.0 0.286 261.7
2157.0 0.286 261.4
2158.0 0.287 261.1
2159.0 0.287 260.8
2160.0 0.288 260.5
2161.0 0.288 260.2
2162.0 0.289 259.9
2163.0 0.289 259.6
2164.0 0.289 259.3
2165.0 0.290 259.0
2166.0 0.290 258.7
2167.0 0.290 258.4
2168.0 0.291 258.1
2169.0 0.291 257.8
2170.0 0.291 257.5
2171.0 0.292 257.2
2172.0 0.292 256.9
2173.0 0.292 256.7
2174.0 0.292 256.4
2175.0 0.293 256.1
2176.0 0.293 255.8
2177.0 0.293 255.5
2178.0 0.293 255.2
2179.0 0.294 254.9
2180.0 0.294 254.6
2181.0 0.294 254.4
2182.0 0.294 254.1
2183.0 0.294 253.8
2184.0 0.294 253.5
2185.0 0.294 253.2
2186.0 0.294 252.9
2187.0 0.295 252.6
2188.0 0.295 252.4
2189.0 0.295 252.1
2190.0 0.295 251.8
This result is provided without warranty. For all terms, see the Full Disclaimer .
Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0 .
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory .
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