Content-Type: text/html; charset=UTF-8
Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:34:27
WDS:
A1126
WDS ID/Discoverer
P:
289.000
Orbital period (years)
a:
0.197
Semi-major axis (arcseconds)
i:
63.5
Inclination (degrees)
Ω:
34.4
Longitude of ascending node (degrees)
T:
1999.090
Epoch of periastron passage (year)
e:
0.647
Eccentricity
ω:
357.9
Longitude of periastron (degrees)
Start-Year:
1881.0
Year
End-Year:
2169.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
154920.14+050243.3
Epoch-2000 right ascension and declination
WDS-ID:
15493+0503
WDS designation
Discoverer Code:
A1126
Discover designation and components
ADS number:
9797
Aitken Double Star catalog
HD number:
141512
HD catalog number
Hipparcos number:
77489
Hipparcos catalog number
V1:
9.4
Magnitude of the primary
V2:
9.4
Magnitude of the secondary
Equinox:
Equinox
Date:
2019
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 0.075 159.0
-------------------------
1881.0 0.315 217.7
1882.0 0.314 217.8
1883.0 0.313 218.0
1884.0 0.312 218.2
1885.0 0.311 218.3
1886.0 0.310 218.5
1887.0 0.309 218.7
1888.0 0.308 218.9
1889.0 0.307 219.0
1890.0 0.306 219.2
1891.0 0.305 219.4
1892.0 0.304 219.6
1893.0 0.303 219.7
1894.0 0.301 219.9
1895.0 0.300 220.1
1896.0 0.299 220.3
1897.0 0.298 220.5
1898.0 0.296 220.7
1899.0 0.295 220.8
1900.0 0.293 221.0
1901.0 0.292 221.2
1902.0 0.290 221.4
1903.0 0.289 221.6
1904.0 0.287 221.8
1905.0 0.286 222.0
1906.0 0.284 222.2
1907.0 0.282 222.4
1908.0 0.281 222.6
1909.0 0.279 222.8
1910.0 0.277 223.1
1911.0 0.275 223.3
1912.0 0.273 223.5
1913.0 0.272 223.7
1914.0 0.270 223.9
1915.0 0.268 224.2
1916.0 0.266 224.4
1917.0 0.264 224.6
1918.0 0.261 224.9
1919.0 0.259 225.1
1920.0 0.257 225.4
1921.0 0.255 225.6
1922.0 0.253 225.9
1923.0 0.250 226.1
1924.0 0.248 226.4
1925.0 0.246 226.7
1926.0 0.243 226.9
1927.0 0.241 227.2
1928.0 0.238 227.5
1929.0 0.236 227.8
1930.0 0.233 228.1
1931.0 0.230 228.4
1932.0 0.228 228.7
1933.0 0.225 229.0
1934.0 0.222 229.4
1935.0 0.220 229.7
1936.0 0.217 230.0
1937.0 0.214 230.4
1938.0 0.211 230.8
1939.0 0.208 231.1
1940.0 0.205 231.5
1941.0 0.202 231.9
1942.0 0.199 232.3
1943.0 0.195 232.8
1944.0 0.192 233.2
1945.0 0.189 233.6
1946.0 0.186 234.1
1947.0 0.182 234.6
1948.0 0.179 235.1
1949.0 0.176 235.6
1950.0 0.172 236.2
1951.0 0.169 236.7
1952.0 0.165 237.3
1953.0 0.161 237.9
1954.0 0.158 238.6
1955.0 0.154 239.3
1956.0 0.150 240.0
1957.0 0.146 240.7
1958.0 0.142 241.5
1959.0 0.139 242.4
1960.0 0.135 243.2
1961.0 0.131 244.2
1962.0 0.127 245.2
1963.0 0.123 246.2
1964.0 0.119 247.4
1965.0 0.114 248.6
1966.0 0.110 249.9
1967.0 0.106 251.3
1968.0 0.102 252.8
1969.0 0.098 254.5
1970.0 0.094 256.3
1971.0 0.089 258.2
1972.0 0.085 260.4
1973.0 0.081 262.8
1974.0 0.077 265.4
1975.0 0.073 268.3
1976.0 0.069 271.6
1977.0 0.066 275.2
1978.0 0.062 279.2
1979.0 0.059 283.7
1980.0 0.056 288.8
1981.0 0.053 294.3
1982.0 0.051 300.4
1983.0 0.049 306.9
1984.0 0.048 313.8
1985.0 0.048 321.0
1986.0 0.048 328.2
1987.0 0.048 335.4
1988.0 0.050 342.2
1989.0 0.051 348.7
1990.0 0.053 354.8
1991.0 0.055 0.4
1992.0 0.058 5.5
1993.0 0.060 10.3
1994.0 0.062 14.7
1995.0 0.065 18.7
1996.0 0.066 22.6
1997.0 0.068 26.2
1998.0 0.069 29.7
1999.0 0.069 33.2
2000.0 0.070 36.6
2001.0 0.069 40.0
2002.0 0.068 43.5
2003.0 0.067 47.1
2004.0 0.065 50.8
2005.0 0.063 54.8
2006.0 0.061 59.0
2007.0 0.059 63.6
2008.0 0.057 68.4
2009.0 0.055 73.7
2010.0 0.053 79.3
2011.0 0.052 85.3
2012.0 0.051 91.6
2013.0 0.050 98.2
2014.0 0.050 104.8
2015.0 0.050 111.4
2016.0 0.051 117.9
2017.0 0.052 124.1
2018.0 0.054 129.9
2019.0 0.056 135.3
2020.0 0.059 140.3
2021.0 0.062 144.8
2022.0 0.065 148.9
2023.0 0.068 152.6
2024.0 0.072 156.0
2025.0 0.075 159.0
2026.0 0.079 161.8
2027.0 0.083 164.3
2028.0 0.087 166.6
2029.0 0.091 168.7
2030.0 0.095 170.6
2031.0 0.099 172.3
2032.0 0.103 173.9
2033.0 0.107 175.4
2034.0 0.111 176.8
2035.0 0.115 178.1
2036.0 0.119 179.3
2037.0 0.123 180.5
2038.0 0.126 181.5
2039.0 0.130 182.5
2040.0 0.134 183.5
2041.0 0.138 184.4
2042.0 0.142 185.2
2043.0 0.145 186.0
2044.0 0.149 186.8
2045.0 0.153 187.5
2046.0 0.156 188.2
2047.0 0.160 188.8
2048.0 0.163 189.5
2049.0 0.167 190.1
2050.0 0.170 190.6
2051.0 0.174 191.2
2052.0 0.177 191.7
2053.0 0.180 192.3
2054.0 0.184 192.7
2055.0 0.187 193.2
2056.0 0.190 193.7
2057.0 0.193 194.1
2058.0 0.196 194.6
2059.0 0.199 195.0
2060.0 0.202 195.4
2061.0 0.205 195.8
2062.0 0.208 196.2
2063.0 0.211 196.6
2064.0 0.214 196.9
2065.0 0.217 197.3
2066.0 0.220 197.6
2067.0 0.222 197.9
2068.0 0.225 198.3
2069.0 0.228 198.6
2070.0 0.230 198.9
2071.0 0.233 199.2
2072.0 0.236 199.5
2073.0 0.238 199.8
2074.0 0.240 200.1
2075.0 0.243 200.4
2076.0 0.245 200.7
2077.0 0.248 200.9
2078.0 0.250 201.2
2079.0 0.252 201.5
2080.0 0.254 201.7
2081.0 0.257 202.0
2082.0 0.259 202.2
2083.0 0.261 202.5
2084.0 0.263 202.7
2085.0 0.265 202.9
2086.0 0.267 203.2
2087.0 0.269 203.4
2088.0 0.271 203.6
2089.0 0.273 203.8
2090.0 0.275 204.1
2091.0 0.276 204.3
2092.0 0.278 204.5
2093.0 0.280 204.7
2094.0 0.282 204.9
2095.0 0.283 205.1
2096.0 0.285 205.3
2097.0 0.286 205.5
2098.0 0.288 205.7
2099.0 0.290 205.9
2100.0 0.291 206.1
2101.0 0.293 206.3
2102.0 0.294 206.5
2103.0 0.295 206.7
2104.0 0.297 206.9
2105.0 0.298 207.1
2106.0 0.299 207.2
2107.0 0.301 207.4
2108.0 0.302 207.6
2109.0 0.303 207.8
2110.0 0.304 208.0
2111.0 0.305 208.1
2112.0 0.306 208.3
2113.0 0.308 208.5
2114.0 0.309 208.7
2115.0 0.310 208.8
2116.0 0.310 209.0
2117.0 0.311 209.2
2118.0 0.312 209.4
2119.0 0.313 209.5
2120.0 0.314 209.7
2121.0 0.315 209.9
2122.0 0.316 210.0
2123.0 0.316 210.2
2124.0 0.317 210.3
2125.0 0.318 210.5
2126.0 0.318 210.7
2127.0 0.319 210.8
2128.0 0.319 211.0
2129.0 0.320 211.2
2130.0 0.321 211.3
2131.0 0.321 211.5
2132.0 0.321 211.6
2133.0 0.322 211.8
2134.0 0.322 212.0
2135.0 0.323 212.1
2136.0 0.323 212.3
2137.0 0.323 212.4
2138.0 0.323 212.6
2139.0 0.324 212.7
2140.0 0.324 212.9
2141.0 0.324 213.1
2142.0 0.324 213.2
2143.0 0.324 213.4
2144.0 0.324 213.5
2145.0 0.324 213.7
2146.0 0.324 213.8
2147.0 0.324 214.0
2148.0 0.324 214.2
2149.0 0.324 214.3
2150.0 0.324 214.5
2151.0 0.324 214.6
2152.0 0.324 214.8
2153.0 0.323 214.9
2154.0 0.323 215.1
2155.0 0.323 215.3
2156.0 0.323 215.4
2157.0 0.322 215.6
2158.0 0.322 215.7
2159.0 0.321 215.9
2160.0 0.321 216.0
2161.0 0.320 216.2
2162.0 0.320 216.4
2163.0 0.319 216.5
2164.0 0.319 216.7
2165.0 0.318 216.8
2166.0 0.318 217.0
2167.0 0.317 217.2
2168.0 0.316 217.3
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 .
www.stella-vega.de