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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:34:21
WDS:
HTG1
WDS ID/Discoverer
P:
313.590
Orbital period (years)
a:
2.26371
Semi-major axis (arcseconds)
i:
38.499
Inclination (degrees)
Ω:
9.608
Longitude of ascending node (degrees)
T:
1969.170
Epoch of periastron passage (year)
e:
0.17464
Eccentricity
ω:
75.405
Longitude of periastron (degrees)
Start-Year:
1869.0
Year
End-Year:
2181.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
021546.15-181417.7
Epoch-2000 right ascension and declination
WDS-ID:
02158-1814
WDS designation
Discoverer Code:
HTG1
Discover designation and components
ADS number:
1733
Aitken Double Star catalog
HD number:
14001
HD catalog number
Hipparcos number:
10542
Hipparcos catalog number
V1:
8.49
Magnitude of the primary
V2:
9.25
Magnitude of the secondary
Equinox:
Equinox
Date:
2015
Date of last observation
Orbit grade:
4
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 2.098 172.9
-------------------------
1869.0 2.125 320.4
1870.0 2.129 321.4
1871.0 2.132 322.4
1872.0 2.136 323.4
1873.0 2.139 324.4
1874.0 2.142 325.4
1875.0 2.145 326.4
1876.0 2.149 327.3
1877.0 2.152 328.3
1878.0 2.155 329.3
1879.0 2.158 330.3
1880.0 2.161 331.3
1881.0 2.164 332.2
1882.0 2.166 333.2
1883.0 2.169 334.2
1884.0 2.171 335.1
1885.0 2.174 336.1
1886.0 2.176 337.0
1887.0 2.178 338.0
1888.0 2.180 338.9
1889.0 2.181 339.9
1890.0 2.183 340.9
1891.0 2.184 341.8
1892.0 2.185 342.8
1893.0 2.186 343.7
1894.0 2.187 344.6
1895.0 2.187 345.6
1896.0 2.187 346.5
1897.0 2.187 347.5
1898.0 2.187 348.4
1899.0 2.186 349.4
1900.0 2.186 350.3
1901.0 2.184 351.3
1902.0 2.183 352.2
1903.0 2.181 353.2
1904.0 2.179 354.1
1905.0 2.177 355.1
1906.0 2.174 356.1
1907.0 2.171 357.0
1908.0 2.168 358.0
1909.0 2.164 358.9
1910.0 2.160 359.9
1911.0 2.156 0.9
1912.0 2.151 1.9
1913.0 2.146 2.8
1914.0 2.141 3.8
1915.0 2.135 4.8
1916.0 2.129 5.8
1917.0 2.122 6.8
1918.0 2.115 7.8
1919.0 2.108 8.9
1920.0 2.100 9.9
1921.0 2.092 10.9
1922.0 2.084 11.9
1923.0 2.075 13.0
1924.0 2.066 14.1
1925.0 2.056 15.1
1926.0 2.046 16.2
1927.0 2.036 17.3
1928.0 2.025 18.4
1929.0 2.014 19.5
1930.0 2.003 20.6
1931.0 1.991 21.8
1932.0 1.979 22.9
1933.0 1.966 24.1
1934.0 1.954 25.3
1935.0 1.941 26.5
1936.0 1.927 27.7
1937.0 1.914 28.9
1938.0 1.900 30.1
1939.0 1.886 31.4
1940.0 1.872 32.7
1941.0 1.857 34.0
1942.0 1.842 35.3
1943.0 1.828 36.7
1944.0 1.813 38.0
1945.0 1.798 39.4
1946.0 1.782 40.8
1947.0 1.767 42.3
1948.0 1.752 43.7
1949.0 1.737 45.2
1950.0 1.722 46.8
1951.0 1.706 48.3
1952.0 1.691 49.9
1953.0 1.677 51.5
1954.0 1.662 53.1
1955.0 1.648 54.7
1956.0 1.633 56.4
1957.0 1.620 58.1
1958.0 1.606 59.9
1959.0 1.593 61.7
1960.0 1.580 63.5
1961.0 1.568 65.3
1962.0 1.556 67.1
1963.0 1.545 69.0
1964.0 1.535 70.9
1965.0 1.525 72.9
1966.0 1.516 74.8
1967.0 1.507 76.8
1968.0 1.499 78.8
1969.0 1.492 80.9
1970.0 1.486 82.9
1971.0 1.481 85.0
1972.0 1.477 87.0
1973.0 1.473 89.1
1974.0 1.470 91.2
1975.0 1.469 93.3
1976.0 1.468 95.4
1977.0 1.468 97.5
1978.0 1.469 99.6
1979.0 1.471 101.7
1980.0 1.474 103.8
1981.0 1.478 105.9
1982.0 1.483 108.0
1983.0 1.489 110.0
1984.0 1.495 112.0
1985.0 1.503 114.1
1986.0 1.511 116.1
1987.0 1.520 118.0
1988.0 1.530 120.0
1989.0 1.540 121.9
1990.0 1.552 123.8
1991.0 1.564 125.7
1992.0 1.576 127.5
1993.0 1.589 129.3
1994.0 1.603 131.1
1995.0 1.617 132.9
1996.0 1.631 134.6
1997.0 1.646 136.3
1998.0 1.661 137.9
1999.0 1.677 139.5
2000.0 1.693 141.1
2001.0 1.709 142.7
2002.0 1.726 144.2
2003.0 1.742 145.8
2004.0 1.759 147.2
2005.0 1.776 148.7
2006.0 1.793 150.1
2007.0 1.810 151.5
2008.0 1.827 152.9
2009.0 1.844 154.2
2010.0 1.861 155.5
2011.0 1.878 156.8
2012.0 1.895 158.1
2013.0 1.912 159.4
2014.0 1.928 160.6
2015.0 1.945 161.8
2016.0 1.961 163.0
2017.0 1.977 164.2
2018.0 1.993 165.3
2019.0 2.009 166.4
2020.0 2.025 167.6
2021.0 2.040 168.7
2022.0 2.055 169.7
2023.0 2.070 170.8
2024.0 2.084 171.9
2025.0 2.098 172.9
2026.0 2.112 173.9
2027.0 2.126 174.9
2028.0 2.139 175.9
2029.0 2.152 176.9
2030.0 2.165 177.9
2031.0 2.177 178.8
2032.0 2.189 179.8
2033.0 2.200 180.7
2034.0 2.212 181.7
2035.0 2.223 182.6
2036.0 2.233 183.5
2037.0 2.243 184.4
2038.0 2.253 185.3
2039.0 2.262 186.2
2040.0 2.271 187.1
2041.0 2.280 187.9
2042.0 2.288 188.8
2043.0 2.296 189.7
2044.0 2.304 190.5
2045.0 2.311 191.4
2046.0 2.318 192.2
2047.0 2.324 193.1
2048.0 2.331 193.9
2049.0 2.336 194.7
2050.0 2.342 195.6
2051.0 2.347 196.4
2052.0 2.351 197.2
2053.0 2.356 198.0
2054.0 2.360 198.8
2055.0 2.364 199.7
2056.0 2.367 200.5
2057.0 2.370 201.3
2058.0 2.373 202.1
2059.0 2.375 202.9
2060.0 2.377 203.7
2061.0 2.379 204.5
2062.0 2.380 205.3
2063.0 2.381 206.1
2064.0 2.382 206.9
2065.0 2.382 207.7
2066.0 2.383 208.5
2067.0 2.383 209.3
2068.0 2.382 210.1
2069.0 2.382 210.9
2070.0 2.381 211.7
2071.0 2.380 212.5
2072.0 2.378 213.3
2073.0 2.377 214.1
2074.0 2.375 214.9
2075.0 2.373 215.7
2076.0 2.370 216.5
2077.0 2.368 217.3
2078.0 2.365 218.1
2079.0 2.362 218.9
2080.0 2.359 219.7
2081.0 2.356 220.6
2082.0 2.352 221.4
2083.0 2.348 222.2
2084.0 2.345 223.0
2085.0 2.340 223.9
2086.0 2.336 224.7
2087.0 2.332 225.5
2088.0 2.327 226.3
2089.0 2.323 227.2
2090.0 2.318 228.0
2091.0 2.313 228.9
2092.0 2.308 229.7
2093.0 2.303 230.6
2094.0 2.298 231.4
2095.0 2.292 232.3
2096.0 2.287 233.2
2097.0 2.281 234.0
2098.0 2.276 234.9
2099.0 2.270 235.8
2100.0 2.265 236.7
2101.0 2.259 237.5
2102.0 2.253 238.4
2103.0 2.247 239.3
2104.0 2.242 240.2
2105.0 2.236 241.1
2106.0 2.230 242.0
2107.0 2.224 243.0
2108.0 2.218 243.9
2109.0 2.213 244.8
2110.0 2.207 245.7
2111.0 2.201 246.7
2112.0 2.195 247.6
2113.0 2.189 248.5
2114.0 2.184 249.5
2115.0 2.178 250.4
2116.0 2.173 251.4
2117.0 2.167 252.4
2118.0 2.162 253.3
2119.0 2.157 254.3
2120.0 2.151 255.3
2121.0 2.146 256.3
2122.0 2.141 257.2
2123.0 2.136 258.2
2124.0 2.131 259.2
2125.0 2.127 260.2
2126.0 2.122 261.2
2127.0 2.118 262.2
2128.0 2.114 263.3
2129.0 2.109 264.3
2130.0 2.105 265.3
2131.0 2.101 266.3
2132.0 2.098 267.4
2133.0 2.094 268.4
2134.0 2.091 269.4
2135.0 2.088 270.5
2136.0 2.085 271.5
2137.0 2.082 272.5
2138.0 2.079 273.6
2139.0 2.076 274.6
2140.0 2.074 275.7
2141.0 2.072 276.7
2142.0 2.070 277.8
2143.0 2.068 278.9
2144.0 2.066 279.9
2145.0 2.065 281.0
2146.0 2.064 282.1
2147.0 2.063 283.1
2148.0 2.062 284.2
2149.0 2.061 285.3
2150.0 2.061 286.3
2151.0 2.060 287.4
2152.0 2.060 288.5
2153.0 2.060 289.5
2154.0 2.060 290.6
2155.0 2.061 291.7
2156.0 2.061 292.7
2157.0 2.062 293.8
2158.0 2.063 294.9
2159.0 2.064 295.9
2160.0 2.065 297.0
2161.0 2.067 298.0
2162.0 2.068 299.1
2163.0 2.070 300.2
2164.0 2.072 301.2
2165.0 2.074 302.3
2166.0 2.076 303.3
2167.0 2.078 304.4
2168.0 2.081 305.4
2169.0 2.083 306.5
2170.0 2.086 307.5
2171.0 2.089 308.6
2172.0 2.092 309.6
2173.0 2.094 310.6
2174.0 2.097 311.7
2175.0 2.101 312.7
2176.0 2.104 313.7
2177.0 2.107 314.7
2178.0 2.110 315.8
2179.0 2.113 316.8
2180.0 2.117 317.8
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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