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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:18:43
WDS:
A1095
WDS ID/Discoverer
P:
187.530
Orbital period (years)
a:
0.331
Semi-major axis (arcseconds)
i:
37.8
Inclination (degrees)
Ω:
109.1
Longitude of ascending node (degrees)
T:
2049.280
Epoch of periastron passage (year)
e:
0.471
Eccentricity
ω:
298.2
Longitude of periastron (degrees)
Start-Year:
1932.0
Year
End-Year:
2118.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
133333.77+294416.9
Epoch-2000 right ascension and declination
WDS-ID:
13336+2944
WDS designation
Discoverer Code:
A1095
Discover designation and components
ADS number:
8943
Aitken Double Star catalog
HD number:
117998
HD catalog number
Hipparcos number:
66149
Hipparcos catalog number
V1:
8.98
Magnitude of the primary
V2:
9.32
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
1999
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 0.279 302.6
-------------------------
1932.0 0.370 210.7
1933.0 0.372 211.8
1934.0 0.374 212.8
1935.0 0.376 213.9
1936.0 0.378 214.9
1937.0 0.380 215.9
1938.0 0.382 216.9
1939.0 0.384 217.9
1940.0 0.385 218.9
1941.0 0.387 219.9
1942.0 0.389 220.9
1943.0 0.391 221.8
1944.0 0.393 222.8
1945.0 0.394 223.7
1946.0 0.396 224.7
1947.0 0.398 225.6
1948.0 0.399 226.5
1949.0 0.401 227.4
1950.0 0.402 228.4
1951.0 0.404 229.3
1952.0 0.405 230.2
1953.0 0.406 231.0
1954.0 0.408 231.9
1955.0 0.409 232.8
1956.0 0.410 233.7
1957.0 0.412 234.6
1958.0 0.413 235.4
1959.0 0.414 236.3
1960.0 0.415 237.1
1961.0 0.416 238.0
1962.0 0.417 238.8
1963.0 0.418 239.7
1964.0 0.418 240.5
1965.0 0.419 241.3
1966.0 0.420 242.2
1967.0 0.420 243.0
1968.0 0.421 243.8
1969.0 0.421 244.7
1970.0 0.422 245.5
1971.0 0.422 246.3
1972.0 0.422 247.1
1973.0 0.423 248.0
1974.0 0.423 248.8
1975.0 0.423 249.6
1976.0 0.423 250.4
1977.0 0.423 251.2
1978.0 0.422 252.1
1979.0 0.422 252.9
1980.0 0.422 253.7
1981.0 0.421 254.5
1982.0 0.421 255.4
1983.0 0.420 256.2
1984.0 0.420 257.0
1985.0 0.419 257.8
1986.0 0.418 258.7
1987.0 0.417 259.5
1988.0 0.416 260.4
1989.0 0.415 261.2
1990.0 0.413 262.1
1991.0 0.412 262.9
1992.0 0.410 263.8
1993.0 0.409 264.7
1994.0 0.407 265.6
1995.0 0.405 266.5
1996.0 0.403 267.3
1997.0 0.401 268.3
1998.0 0.399 269.2
1999.0 0.396 270.1
2000.0 0.394 271.0
2001.0 0.391 272.0
2002.0 0.388 273.0
2003.0 0.386 273.9
2004.0 0.382 274.9
2005.0 0.379 275.9
2006.0 0.376 277.0
2007.0 0.372 278.0
2008.0 0.369 279.1
2009.0 0.365 280.2
2010.0 0.361 281.3
2011.0 0.357 282.4
2012.0 0.352 283.6
2013.0 0.348 284.8
2014.0 0.343 286.0
2015.0 0.338 287.3
2016.0 0.333 288.6
2017.0 0.328 289.9
2018.0 0.323 291.3
2019.0 0.317 292.7
2020.0 0.311 294.2
2021.0 0.305 295.8
2022.0 0.299 297.4
2023.0 0.293 299.0
2024.0 0.286 300.8
2025.0 0.279 302.6
2026.0 0.272 304.6
2027.0 0.265 306.6
2028.0 0.257 308.7
2029.0 0.250 311.0
2030.0 0.242 313.4
2031.0 0.234 316.0
2032.0 0.226 318.8
2033.0 0.218 321.8
2034.0 0.210 325.0
2035.0 0.202 328.4
2036.0 0.194 332.2
2037.0 0.186 336.2
2038.0 0.179 340.6
2039.0 0.171 345.4
2040.0 0.164 350.6
2041.0 0.158 356.3
2042.0 0.153 2.3
2043.0 0.148 8.8
2044.0 0.145 15.6
2045.0 0.143 22.7
2046.0 0.142 29.9
2047.0 0.142 37.2
2048.0 0.144 44.4
2049.0 0.146 51.4
2050.0 0.150 58.0
2051.0 0.154 64.4
2052.0 0.160 70.3
2053.0 0.165 75.9
2054.0 0.171 81.1
2055.0 0.177 85.9
2056.0 0.183 90.5
2057.0 0.189 94.7
2058.0 0.195 98.7
2059.0 0.200 102.5
2060.0 0.206 106.0
2061.0 0.211 109.4
2062.0 0.216 112.6
2063.0 0.221 115.7
2064.0 0.226 118.6
2065.0 0.230 121.4
2066.0 0.234 124.1
2067.0 0.238 126.8
2068.0 0.242 129.3
2069.0 0.246 131.8
2070.0 0.250 134.1
2071.0 0.253 136.5
2072.0 0.256 138.7
2073.0 0.260 140.9
2074.0 0.263 143.1
2075.0 0.266 145.2
2076.0 0.268 147.2
2077.0 0.271 149.3
2078.0 0.274 151.2
2079.0 0.277 153.2
2080.0 0.279 155.1
2081.0 0.282 156.9
2082.0 0.284 158.7
2083.0 0.287 160.5
2084.0 0.289 162.3
2085.0 0.292 164.0
2086.0 0.294 165.7
2087.0 0.297 167.4
2088.0 0.299 169.1
2089.0 0.301 170.7
2090.0 0.304 172.3
2091.0 0.306 173.9
2092.0 0.309 175.4
2093.0 0.311 177.0
2094.0 0.313 178.5
2095.0 0.315 179.9
2096.0 0.318 181.4
2097.0 0.320 182.9
2098.0 0.322 184.3
2099.0 0.325 185.7
2100.0 0.327 187.1
2101.0 0.329 188.4
2102.0 0.331 189.8
2103.0 0.334 191.1
2104.0 0.336 192.4
2105.0 0.338 193.7
2106.0 0.340 195.0
2107.0 0.343 196.2
2108.0 0.345 197.5
2109.0 0.347 198.7
2110.0 0.349 199.9
2111.0 0.352 201.1
2112.0 0.354 202.3
2113.0 0.356 203.4
2114.0 0.358 204.6
2115.0 0.360 205.7
2116.0 0.362 206.8
2117.0 0.364 207.9
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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