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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:43:39
WDS:
A1145
WDS ID/Discoverer
P:
203.600
Orbital period (years)
a:
0.5716
Semi-major axis (arcseconds)
i:
130.3
Inclination (degrees)
Ω:
177.3
Longitude of ascending node (degrees)
T:
1959.700
Epoch of periastron passage (year)
e:
0.429
Eccentricity
ω:
62.4
Longitude of periastron (degrees)
Start-Year:
1924.0
Year
End-Year:
2126.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
170813.65-010446.1
Epoch-2000 right ascension and declination
WDS-ID:
17082-0105
WDS designation
Discoverer Code:
A1145
Discover designation and components
ADS number:
10355
Aitken Double Star catalog
HD number:
154895
HD catalog number
Hipparcos number:
83853
Hipparcos catalog number
V1:
6.32
Magnitude of the primary
V2:
7.75
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2005
Date of last observation
Orbit grade:
3
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 0.677 335.4
-------------------------
1924.0 0.453 215.8
1925.0 0.452 214.2
1926.0 0.452 212.5
1927.0 0.451 210.9
1928.0 0.450 209.2
1929.0 0.449 207.5
1930.0 0.448 205.8
1931.0 0.446 204.1
1932.0 0.445 202.5
1933.0 0.443 200.7
1934.0 0.441 199.0
1935.0 0.438 197.3
1936.0 0.436 195.5
1937.0 0.432 193.7
1938.0 0.429 191.9
1939.0 0.425 190.0
1940.0 0.421 188.1
1941.0 0.416 186.2
1942.0 0.410 184.2
1943.0 0.405 182.2
1944.0 0.398 180.1
1945.0 0.391 177.9
1946.0 0.384 175.7
1947.0 0.375 173.3
1948.0 0.367 170.9
1949.0 0.357 168.3
1950.0 0.348 165.6
1951.0 0.337 162.7
1952.0 0.326 159.7
1953.0 0.315 156.4
1954.0 0.303 152.8
1955.0 0.292 149.0
1956.0 0.280 144.9
1957.0 0.269 140.4
1958.0 0.257 135.5
1959.0 0.247 130.2
1960.0 0.238 124.5
1961.0 0.230 118.3
1962.0 0.224 111.7
1963.0 0.219 104.9
1964.0 0.217 97.8
1965.0 0.218 90.6
1966.0 0.220 83.6
1967.0 0.225 76.7
1968.0 0.232 70.3
1969.0 0.241 64.2
1970.0 0.251 58.6
1971.0 0.262 53.5
1972.0 0.275 48.8
1973.0 0.288 44.5
1974.0 0.302 40.7
1975.0 0.316 37.1
1976.0 0.330 33.9
1977.0 0.344 30.9
1978.0 0.359 28.2
1979.0 0.373 25.7
1980.0 0.387 23.3
1981.0 0.401 21.1
1982.0 0.414 19.1
1983.0 0.428 17.2
1984.0 0.440 15.4
1985.0 0.453 13.7
1986.0 0.465 12.1
1987.0 0.477 10.6
1988.0 0.488 9.1
1989.0 0.499 7.8
1990.0 0.510 6.4
1991.0 0.520 5.2
1992.0 0.530 3.9
1993.0 0.540 2.8
1994.0 0.549 1.6
1995.0 0.557 0.5
1996.0 0.566 359.5
1997.0 0.574 358.4
1998.0 0.581 357.4
1999.0 0.589 356.4
2000.0 0.596 355.4
2001.0 0.602 354.5
2002.0 0.608 353.6
2003.0 0.614 352.7
2004.0 0.620 351.8
2005.0 0.625 350.9
2006.0 0.630 350.1
2007.0 0.635 349.2
2008.0 0.640 348.4
2009.0 0.644 347.6
2010.0 0.648 346.8
2011.0 0.651 346.0
2012.0 0.655 345.2
2013.0 0.658 344.4
2014.0 0.661 343.6
2015.0 0.663 342.8
2016.0 0.666 342.1
2017.0 0.668 341.3
2018.0 0.670 340.6
2019.0 0.671 339.8
2020.0 0.673 339.1
2021.0 0.674 338.3
2022.0 0.675 337.6
2023.0 0.676 336.8
2024.0 0.677 336.1
2025.0 0.677 335.4
2026.0 0.677 334.6
2027.0 0.678 333.9
2028.0 0.677 333.2
2029.0 0.677 332.4
2030.0 0.677 331.7
2031.0 0.676 331.0
2032.0 0.676 330.2
2033.0 0.675 329.5
2034.0 0.674 328.7
2035.0 0.672 328.0
2036.0 0.671 327.2
2037.0 0.670 326.5
2038.0 0.668 325.7
2039.0 0.666 325.0
2040.0 0.665 324.2
2041.0 0.663 323.4
2042.0 0.660 322.7
2043.0 0.658 321.9
2044.0 0.656 321.1
2045.0 0.654 320.3
2046.0 0.651 319.5
2047.0 0.648 318.7
2048.0 0.646 317.9
2049.0 0.643 317.1
2050.0 0.640 316.3
2051.0 0.637 315.5
2052.0 0.634 314.6
2053.0 0.631 313.8
2054.0 0.628 312.9
2055.0 0.625 312.1
2056.0 0.621 311.2
2057.0 0.618 310.3
2058.0 0.614 309.4
2059.0 0.611 308.5
2060.0 0.607 307.6
2061.0 0.604 306.7
2062.0 0.600 305.8
2063.0 0.597 304.8
2064.0 0.593 303.9
2065.0 0.589 302.9
2066.0 0.585 301.9
2067.0 0.582 300.9
2068.0 0.578 299.9
2069.0 0.574 298.9
2070.0 0.570 297.9
2071.0 0.567 296.9
2072.0 0.563 295.8
2073.0 0.559 294.7
2074.0 0.555 293.6
2075.0 0.552 292.5
2076.0 0.548 291.4
2077.0 0.544 290.3
2078.0 0.540 289.1
2079.0 0.537 288.0
2080.0 0.533 286.8
2081.0 0.530 285.6
2082.0 0.526 284.4
2083.0 0.523 283.2
2084.0 0.519 281.9
2085.0 0.516 280.7
2086.0 0.513 279.4
2087.0 0.509 278.1
2088.0 0.506 276.8
2089.0 0.503 275.4
2090.0 0.500 274.1
2091.0 0.497 272.7
2092.0 0.494 271.4
2093.0 0.492 270.0
2094.0 0.489 268.6
2095.0 0.486 267.2
2096.0 0.484 265.7
2097.0 0.482 264.3
2098.0 0.479 262.8
2099.0 0.477 261.3
2100.0 0.475 259.9
2101.0 0.473 258.4
2102.0 0.471 256.8
2103.0 0.470 255.3
2104.0 0.468 253.8
2105.0 0.467 252.2
2106.0 0.465 250.7
2107.0 0.464 249.1
2108.0 0.463 247.5
2109.0 0.462 246.0
2110.0 0.461 244.4
2111.0 0.460 242.8
2112.0 0.459 241.2
2113.0 0.458 239.6
2114.0 0.458 238.0
2115.0 0.457 236.4
2116.0 0.457 234.7
2117.0 0.456 233.1
2118.0 0.456 231.5
2119.0 0.455 229.9
2120.0 0.455 228.2
2121.0 0.455 226.6
2122.0 0.455 225.0
2123.0 0.454 223.4
2124.0 0.454 221.7
2125.0 0.454 220.1
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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