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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:28:52
WDS:
BU119AB
WDS ID/Discoverer
P:
1348.400
Orbital period (years)
a:
3.23
Semi-major axis (arcseconds)
i:
110.7
Inclination (degrees)
Ω:
237.0
Longitude of ascending node (degrees)
T:
1361.400
Epoch of periastron passage (year)
e:
0.35
Eccentricity
ω:
117.5
Longitude of periastron (degrees)
Start-Year:
1351.0
Year
End-Year:
2699.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
150531.91-070048.8
Epoch-2000 right ascension and declination
WDS-ID:
15055-0701
WDS designation
Discoverer Code:
BU119AB
Discover designation and components
ADS number:
9497
Aitken Double Star catalog
HD number:
133584
HD catalog number
Hipparcos number:
73846
Hipparcos catalog number
V1:
8.09
Magnitude of the primary
V2:
8.76
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
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 2.363 272.9
-------------------------
1351.0 1.032 99.1
1361.0 1.166 91.4
1371.0 1.308 85.4
1381.0 1.451 80.5
1391.0 1.591 76.5
1401.0 1.726 73.2
1411.0 1.852 70.3
1421.0 1.970 67.8
1431.0 2.078 65.5
1441.0 2.174 63.5
1451.0 2.260 61.6
1461.0 2.335 59.9
1471.0 2.398 58.2
1481.0 2.451 56.6
1491.0 2.493 55.1
1501.0 2.526 53.7
1511.0 2.549 52.2
1521.0 2.563 50.8
1531.0 2.568 49.4
1541.0 2.566 48.0
1551.0 2.557 46.6
1561.0 2.541 45.2
1571.0 2.518 43.8
1581.0 2.491 42.3
1591.0 2.458 40.8
1601.0 2.420 39.2
1611.0 2.379 37.6
1621.0 2.334 36.0
1631.0 2.285 34.3
1641.0 2.235 32.4
1651.0 2.182 30.6
1661.0 2.127 28.6
1671.0 2.071 26.5
1681.0 2.015 24.3
1691.0 1.958 21.9
1701.0 1.901 19.4
1711.0 1.846 16.8
1721.0 1.792 14.0
1731.0 1.739 11.1
1741.0 1.689 7.9
1751.0 1.642 4.6
1761.0 1.599 1.1
1771.0 1.560 357.4
1781.0 1.527 353.5
1791.0 1.498 349.5
1801.0 1.475 345.3
1811.0 1.459 341.0
1821.0 1.450 336.7
1831.0 1.447 332.3
1841.0 1.451 327.9
1851.0 1.463 323.5
1861.0 1.481 319.2
1871.0 1.505 315.1
1881.0 1.536 311.1
1891.0 1.572 307.3
1901.0 1.613 303.7
1911.0 1.659 300.2
1921.0 1.709 296.9
1931.0 1.763 293.9
1941.0 1.820 291.0
1951.0 1.879 288.3
1961.0 1.941 285.8
1971.0 2.004 283.4
1981.0 2.069 281.2
1991.0 2.135 279.1
2001.0 2.201 277.1
2011.0 2.268 275.3
2021.0 2.336 273.5
2031.0 2.403 271.9
2041.0 2.470 270.3
2051.0 2.536 268.9
2061.0 2.602 267.5
2071.0 2.668 266.2
2081.0 2.732 264.9
2091.0 2.795 263.7
2101.0 2.856 262.5
2111.0 2.916 261.4
2121.0 2.975 260.4
2131.0 3.032 259.3
2141.0 3.087 258.3
2151.0 3.140 257.4
2161.0 3.191 256.5
2171.0 3.239 255.6
2181.0 3.285 254.7
2191.0 3.329 253.9
2201.0 3.370 253.0
2211.0 3.409 252.2
2221.0 3.445 251.5
2231.0 3.477 250.7
2241.0 3.507 249.9
2251.0 3.534 249.2
2261.0 3.557 248.5
2271.0 3.576 247.7
2281.0 3.593 247.0
2291.0 3.605 246.3
2301.0 3.614 245.6
2311.0 3.618 244.9
2321.0 3.619 244.2
2331.0 3.615 243.5
2341.0 3.607 242.8
2351.0 3.595 242.1
2361.0 3.578 241.3
2371.0 3.556 240.6
2381.0 3.529 239.9
2391.0 3.497 239.1
2401.0 3.459 238.4
2411.0 3.416 237.6
2421.0 3.368 236.8
2431.0 3.314 236.0
2441.0 3.253 235.1
2451.0 3.187 234.2
2461.0 3.115 233.3
2471.0 3.036 232.3
2481.0 2.950 231.3
2491.0 2.858 230.2
2501.0 2.760 229.0
2511.0 2.654 227.8
2521.0 2.542 226.4
2531.0 2.424 224.9
2541.0 2.299 223.3
2551.0 2.167 221.4
2561.0 2.030 219.3
2571.0 1.887 216.9
2581.0 1.740 214.1
2591.0 1.590 210.8
2601.0 1.438 206.7
2611.0 1.288 201.7
2621.0 1.143 195.5
2631.0 1.008 187.4
2641.0 0.893 177.2
2651.0 0.808 164.3
2661.0 0.766 149.2
2671.0 0.776 133.5
2681.0 0.834 119.1
2691.0 0.931 107.2
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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