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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:59:56
WDS:
B943
WDS ID/Discoverer
P:
237.100
Orbital period (years)
a:
0.376
Semi-major axis (arcseconds)
i:
136.1
Inclination (degrees)
Ω:
79.9
Longitude of ascending node (degrees)
T:
1942.800
Epoch of periastron passage (year)
e:
0.389
Eccentricity
ω:
18.6
Longitude of periastron (degrees)
Start-Year:
1907.0
Year
End-Year:
2143.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
184519.01-352901.4
Epoch-2000 right ascension and declination
WDS-ID:
18453-3529
WDS designation
Discoverer Code:
B943
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
173147
HD catalog number
Hipparcos number:
92018
Hipparcos catalog number
V1:
9.20
Magnitude of the primary
V2:
10.31
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2017
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 0.484 266.4
-------------------------
1907.0 0.248 157.1
1908.0 0.246 154.8
1909.0 0.245 152.4
1910.0 0.243 150.0
1911.0 0.242 147.6
1912.0 0.241 145.2
1913.0 0.240 142.7
1914.0 0.239 140.2
1915.0 0.238 137.7
1916.0 0.238 135.2
1917.0 0.237 132.7
1918.0 0.237 130.1
1919.0 0.237 127.6
1920.0 0.237 125.0
1921.0 0.237 122.5
1922.0 0.237 119.9
1923.0 0.237 117.4
1924.0 0.237 114.9
1925.0 0.237 112.3
1926.0 0.238 109.8
1927.0 0.238 107.3
1928.0 0.238 104.8
1929.0 0.238 102.3
1930.0 0.238 99.7
1931.0 0.238 97.2
1932.0 0.238 94.7
1933.0 0.237 92.2
1934.0 0.237 89.7
1935.0 0.236 87.1
1936.0 0.235 84.5
1937.0 0.234 82.0
1938.0 0.233 79.3
1939.0 0.231 76.7
1940.0 0.230 74.0
1941.0 0.228 71.3
1942.0 0.226 68.5
1943.0 0.224 65.7
1944.0 0.221 62.8
1945.0 0.219 59.9
1946.0 0.216 56.9
1947.0 0.214 53.8
1948.0 0.211 50.6
1949.0 0.209 47.4
1950.0 0.206 44.1
1951.0 0.204 40.7
1952.0 0.202 37.2
1953.0 0.200 33.7
1954.0 0.198 30.1
1955.0 0.197 26.4
1956.0 0.196 22.7
1957.0 0.195 19.0
1958.0 0.195 15.2
1959.0 0.195 11.5
1960.0 0.195 7.7
1961.0 0.196 4.0
1962.0 0.198 0.4
1963.0 0.200 356.8
1964.0 0.202 353.2
1965.0 0.205 349.8
1966.0 0.208 346.4
1967.0 0.211 343.2
1968.0 0.215 340.0
1969.0 0.219 337.0
1970.0 0.223 334.1
1971.0 0.228 331.3
1972.0 0.233 328.6
1973.0 0.238 326.0
1974.0 0.243 323.6
1975.0 0.249 321.2
1976.0 0.254 319.0
1977.0 0.260 316.8
1978.0 0.266 314.8
1979.0 0.272 312.8
1980.0 0.277 310.9
1981.0 0.283 309.1
1982.0 0.289 307.3
1983.0 0.295 305.7
1984.0 0.301 304.1
1985.0 0.307 302.5
1986.0 0.313 301.0
1987.0 0.319 299.6
1988.0 0.325 298.2
1989.0 0.331 296.9
1990.0 0.336 295.6
1991.0 0.342 294.4
1992.0 0.348 293.2
1993.0 0.353 292.0
1994.0 0.359 290.9
1995.0 0.364 289.8
1996.0 0.370 288.8
1997.0 0.375 287.7
1998.0 0.380 286.7
1999.0 0.385 285.8
2000.0 0.390 284.8
2001.0 0.395 283.9
2002.0 0.400 283.0
2003.0 0.405 282.1
2004.0 0.410 281.3
2005.0 0.414 280.4
2006.0 0.419 279.6
2007.0 0.423 278.8
2008.0 0.427 278.0
2009.0 0.431 277.2
2010.0 0.435 276.5
2011.0 0.439 275.7
2012.0 0.443 275.0
2013.0 0.447 274.3
2014.0 0.451 273.6
2015.0 0.454 272.9
2016.0 0.458 272.2
2017.0 0.461 271.5
2018.0 0.464 270.9
2019.0 0.467 270.2
2020.0 0.470 269.5
2021.0 0.473 268.9
2022.0 0.476 268.3
2023.0 0.479 267.7
2024.0 0.482 267.0
2025.0 0.484 266.4
2026.0 0.486 265.8
2027.0 0.489 265.2
2028.0 0.491 264.6
2029.0 0.493 264.0
2030.0 0.495 263.5
2031.0 0.497 262.9
2032.0 0.499 262.3
2033.0 0.501 261.7
2034.0 0.502 261.2
2035.0 0.504 260.6
2036.0 0.505 260.0
2037.0 0.506 259.5
2038.0 0.508 258.9
2039.0 0.509 258.4
2040.0 0.510 257.8
2041.0 0.511 257.3
2042.0 0.512 256.7
2043.0 0.512 256.2
2044.0 0.513 255.6
2045.0 0.513 255.1
2046.0 0.514 254.6
2047.0 0.514 254.0
2048.0 0.515 253.5
2049.0 0.515 253.0
2050.0 0.515 252.4
2051.0 0.515 251.9
2052.0 0.515 251.3
2053.0 0.514 250.8
2054.0 0.514 250.3
2055.0 0.514 249.7
2056.0 0.513 249.2
2057.0 0.513 248.6
2058.0 0.512 248.1
2059.0 0.511 247.6
2060.0 0.511 247.0
2061.0 0.510 246.5
2062.0 0.509 245.9
2063.0 0.508 245.4
2064.0 0.506 244.8
2065.0 0.505 244.2
2066.0 0.504 243.7
2067.0 0.502 243.1
2068.0 0.501 242.6
2069.0 0.499 242.0
2070.0 0.498 241.4
2071.0 0.496 240.8
2072.0 0.494 240.3
2073.0 0.492 239.7
2074.0 0.490 239.1
2075.0 0.488 238.5
2076.0 0.486 237.9
2077.0 0.484 237.3
2078.0 0.481 236.7
2079.0 0.479 236.0
2080.0 0.477 235.4
2081.0 0.474 234.8
2082.0 0.471 234.2
2083.0 0.469 233.5
2084.0 0.466 232.9
2085.0 0.463 232.2
2086.0 0.460 231.5
2087.0 0.457 230.9
2088.0 0.454 230.2
2089.0 0.451 229.5
2090.0 0.448 228.8
2091.0 0.445 228.1
2092.0 0.441 227.3
2093.0 0.438 226.6
2094.0 0.435 225.8
2095.0 0.431 225.1
2096.0 0.428 224.3
2097.0 0.424 223.5
2098.0 0.420 222.7
2099.0 0.417 221.9
2100.0 0.413 221.1
2101.0 0.409 220.2
2102.0 0.405 219.4
2103.0 0.401 218.5
2104.0 0.398 217.6
2105.0 0.394 216.7
2106.0 0.390 215.8
2107.0 0.385 214.8
2108.0 0.381 213.9
2109.0 0.377 212.9
2110.0 0.373 211.8
2111.0 0.369 210.8
2112.0 0.365 209.8
2113.0 0.361 208.7
2114.0 0.356 207.6
2115.0 0.352 206.4
2116.0 0.348 205.3
2117.0 0.344 204.1
2118.0 0.339 202.8
2119.0 0.335 201.6
2120.0 0.331 200.3
2121.0 0.327 199.0
2122.0 0.322 197.6
2123.0 0.318 196.3
2124.0 0.314 194.8
2125.0 0.310 193.4
2126.0 0.306 191.9
2127.0 0.302 190.3
2128.0 0.298 188.7
2129.0 0.294 187.1
2130.0 0.290 185.4
2131.0 0.287 183.7
2132.0 0.283 182.0
2133.0 0.279 180.2
2134.0 0.276 178.3
2135.0 0.273 176.4
2136.0 0.269 174.5
2137.0 0.266 172.5
2138.0 0.263 170.5
2139.0 0.260 168.4
2140.0 0.258 166.3
2141.0 0.255 164.1
2142.0 0.253 161.9
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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