Double Star Calculator - Orbit

Orbital Elements for HU1443AB
WDS: HU1443AB WDS ID/Discoverer
P: 1446.963 Orbital period (years)
a: 3.98276 Semi-major axis (arcseconds)
i: 99.288 Inclination (degrees)
Ω: 164.835 Longitude of ascending node (degrees)
T: 2131.165 Epoch of periastron passage (year)
e: 0.84541 Eccentricity
ω: 243.333 Longitude of periastron (degrees)
Start-Year: 1301.5184 Year
End-Year: 2748.4816 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU1443AB
Position: 083904.06-555632.6 Epoch-2000 right ascension and declination
WDS-ID: 08391-5557 WDS designation
Discoverer Code: HU1443AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 74045 HD catalog number
Hipparcos number: 42424 Hipparcos catalog number
V1: 7.75 Magnitude of the primary
V2: 8.88 Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for HU1443AB



WDS 6th Orbit including measures of HU1443AB

-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of HU1443AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.961    13.16
--------------------------
1301.52    3.848   149.71
1311.52    3.817   149.48
1321.52    3.785   149.25
1331.52    3.752   149.01
1341.52    3.718   148.76
1351.52    3.682   148.52
1361.52    3.646   148.26
1371.52    3.608   148.00
1381.52    3.570   147.74
1391.52    3.531   147.47
1401.52    3.490   147.19
1411.52    3.449   146.91
1421.52    3.406   146.62
1431.52    3.363   146.32
1441.52    3.319   146.02
1451.52    3.274   145.71
1461.52    3.228   145.38
1471.52    3.181   145.05
1481.52    3.134   144.71
1491.52    3.085   144.36
1501.52    3.036   144.00
1511.52    2.985   143.62
1521.52    2.934   143.23
1531.52    2.883   142.83
1541.52    2.830   142.41
1551.52    2.777   141.98
1561.52    2.723   141.53
1571.52    2.668   141.06
1581.52    2.613   140.57
1591.52    2.556   140.06
1601.52    2.500   139.53
1611.52    2.442   138.98
1621.52    2.384   138.39
1631.52    2.325   137.78
1641.52    2.266   137.13
1651.52    2.206   136.45
1661.52    2.146   135.73
1671.52    2.085   134.97
1681.52    2.024   134.17
1691.52    1.962   133.31
1701.52    1.900   132.40
1711.52    1.838   131.42
1721.52    1.776   130.38
1731.52    1.713   129.26
1741.52    1.650   128.06
1751.52    1.587   126.76
1761.52    1.524   125.35
1771.52    1.462   123.83
1781.52    1.400   122.17
1791.52    1.338   120.35
1801.52    1.277   118.36
1811.52    1.217   116.17
1821.52    1.158   113.75
1831.52    1.101   111.08
1841.52    1.045   108.13
1851.52    0.992   104.84
1861.52    0.942   101.20
1871.52    0.895    97.16
1881.52    0.852    92.69
1891.52    0.814    87.78
1901.52    0.782    82.43
1911.52    0.756    76.67
1921.52    0.738    70.57
1931.52    0.728    64.22
1941.52    0.725    57.76
1951.52    0.731    51.33
1961.52    0.744    45.06
1971.52    0.765    39.08
1981.52    0.792    33.46
1991.52    0.824    28.24
2001.52    0.861    23.45
2011.52    0.900    19.05
2021.52    0.941    15.03
2031.52    0.982    11.35
2041.52    1.022     7.96
2051.52    1.058     4.82
2061.52    1.089     1.87
2071.52    1.111   359.07
2081.52    1.119   356.34
2091.52    1.105   353.60
2101.52    1.054   350.69
2111.52    0.938   347.30
2121.52    0.700   342.29
2131.52    0.273   325.50
2141.52    0.320   184.74
2151.52    0.797   171.73
2161.52    1.188   168.18
2171.52    1.510   166.30
2181.52    1.782   165.04
2191.52    2.017   164.10
2201.52    2.223   163.34
2211.52    2.406   162.70
2221.52    2.570   162.15
2231.52    2.718   161.67
2241.52    2.852   161.23
2251.52    2.975   160.83
2261.52    3.088   160.46
2271.52    3.191   160.11
2281.52    3.286   159.79
2291.52    3.373   159.48
2301.52    3.454   159.19
2311.52    3.529   158.91
2321.52    3.598   158.64
2331.52    3.661   158.39
2341.52    3.720   158.14
2351.52    3.774   157.89
2361.52    3.824   157.66
2371.52    3.870   157.43
2381.52    3.912   157.20
2391.52    3.950   156.98
2401.52    3.985   156.77
2411.52    4.017   156.55
2421.52    4.045   156.34
2431.52    4.071   156.14
2441.52    4.094   155.93
2451.52    4.115   155.73
2461.52    4.132   155.53
2471.52    4.148   155.33
2481.52    4.161   155.14
2491.52    4.171   154.94
2501.52    4.180   154.75
2511.52    4.186   154.55
2521.52    4.190   154.36
2531.52    4.193   154.16
2541.52    4.193   153.97
2551.52    4.192   153.78
2561.52    4.188   153.58
2571.52    4.183   153.39
2581.52    4.177   153.19
2591.52    4.168   153.00
2601.52    4.158   152.80
2611.52    4.147   152.60
2621.52    4.134   152.41
2631.52    4.119   152.21
2641.52    4.103   152.01
2651.52    4.085   151.80
2661.52    4.067   151.60
2671.52    4.046   151.39
2681.52    4.025   151.18
2691.52    4.002   150.97
2701.52    3.978   150.76
2711.52    3.952   150.54
2721.52    3.926   150.32
2731.52    3.898   150.10
2741.52    3.869   149.87






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This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 4.0.


Acknowledgements
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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 16:09:13



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