Double Star Calculator - Orbit

Orbital Elements for A1104
WDS: A1104 WDS ID/Discoverer
P: 1705.372 Orbital period (years)
a: 2.97779 Semi-major axis (arcseconds)
i: 95.724 Inclination (degrees)
Ω: 100.194 Longitude of ascending node (degrees)
T: 1811.572 Epoch of periastron passage (year)
e: 0.79438 Eccentricity
ω: 120.641 Longitude of periastron (degrees)
Start-Year: 1172.3142 Year
End-Year: 2877.6858 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A1104
Position: 142305.47+072921.1 Epoch-2000 right ascension and declination
WDS-ID: 14231+0729 WDS designation
Discoverer Code: A1104 Discover designation and components
ADS number: 9245 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 70305 Hipparcos catalog number
V1: 9.83 Magnitude of the primary
V2: 9.46 Magnitude of the secondary
Equinox: Equinox
Date: 2010 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 A1104



WDS 6th Orbit including measures of A1104

-- 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 A1104
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.443   237.78
--------------------------
1172.31    3.269   107.12
1182.31    3.284   107.01
1192.31    3.298   106.91
1202.31    3.312   106.80
1212.31    3.324   106.70
1222.31    3.335   106.60
1232.31    3.346   106.50
1242.31    3.355   106.40
1252.31    3.364   106.30
1262.31    3.371   106.20
1272.31    3.378   106.10
1282.31    3.383   106.00
1292.31    3.388   105.90
1302.31    3.391   105.80
1312.31    3.393   105.70
1322.31    3.394   105.60
1332.31    3.394   105.50
1342.31    3.392   105.41
1352.31    3.390   105.31
1362.31    3.386   105.21
1372.31    3.380   105.11
1382.31    3.374   105.01
1392.31    3.365   104.91
1402.31    3.356   104.81
1412.31    3.345   104.71
1422.31    3.332   104.61
1432.31    3.318   104.50
1442.31    3.302   104.40
1452.31    3.285   104.30
1462.31    3.265   104.19
1472.31    3.244   104.08
1482.31    3.221   103.97
1492.31    3.196   103.86
1502.31    3.168   103.75
1512.31    3.139   103.64
1522.31    3.107   103.52
1532.31    3.073   103.40
1542.31    3.037   103.28
1552.31    2.997   103.16
1562.31    2.955   103.03
1572.31    2.910   102.90
1582.31    2.862   102.76
1592.31    2.811   102.62
1602.31    2.756   102.47
1612.31    2.697   102.32
1622.31    2.634   102.16
1632.31    2.567   101.99
1642.31    2.495   101.82
1652.31    2.418   101.63
1662.31    2.336   101.43
1672.31    2.247   101.21
1682.31    2.152   100.98
1692.31    2.049   100.72
1702.31    1.938   100.44
1712.31    1.817   100.11
1722.31    1.685    99.74
1732.31    1.541    99.31
1742.31    1.383    98.78
1752.31    1.207    98.10
1762.31    1.011    97.17
1772.31    0.791    95.76
1782.31    0.544    93.15
1792.31    0.270    85.49
1802.31    0.075   338.72
1812.31    0.337   288.96
1822.31    0.577   283.26
1832.31    0.749   280.68
1842.31    0.860   278.94
1852.31    0.925   277.52
1862.31    0.959   276.25
1872.31    0.972   275.04
1882.31    0.969   273.83
1892.31    0.955   272.61
1902.31    0.933   271.34
1912.31    0.904   270.00
1922.31    0.871   268.56
1932.31    0.834   267.00
1942.31    0.795   265.29
1952.31    0.753   263.40
1962.31    0.710   261.28
1972.31    0.667   258.88
1982.31    0.623   256.15
1992.31    0.580   253.01
2002.31    0.537   249.37
2012.31    0.496   245.11
2022.31    0.458   240.12
2032.31    0.423   234.27
2042.31    0.393   227.44
2052.31    0.369   219.60
2062.31    0.352   210.84
2072.31    0.344   201.44
2082.31    0.345   191.85
2092.31    0.355   182.56
2102.31    0.374   173.99
2112.31    0.400   166.38
2122.31    0.431   159.79
2132.31    0.468   154.16
2142.31    0.507   149.37
2152.31    0.550   145.31
2162.31    0.595   141.84
2172.31    0.641   138.86
2182.31    0.688   136.28
2192.31    0.736   134.04
2202.31    0.785   132.08
2212.31    0.834   130.34
2222.31    0.883   128.80
2232.31    0.933   127.43
2242.31    0.983   126.19
2252.31    1.032   125.07
2262.31    1.082   124.06
2272.31    1.131   123.13
2282.31    1.181   122.28
2292.31    1.230   121.50
2302.31    1.279   120.78
2312.31    1.328   120.11
2322.31    1.376   119.49
2332.31    1.424   118.91
2342.31    1.472   118.37
2352.31    1.519   117.86
2362.31    1.566   117.39
2372.31    1.613   116.94
2382.31    1.659   116.52
2392.31    1.705   116.11
2402.31    1.750   115.73
2412.31    1.795   115.37
2422.31    1.840   115.03
2432.31    1.884   114.70
2442.31    1.927   114.39
2452.31    1.971   114.09
2462.31    2.013   113.81
2472.31    2.055   113.53
2482.31    2.097   113.27
2492.31    2.138   113.02
2502.31    2.179   112.77
2512.31    2.219   112.54
2522.31    2.259   112.31
2532.31    2.298   112.09
2542.31    2.337   111.88
2552.31    2.375   111.68
2562.31    2.412   111.48
2572.31    2.449   111.29
2582.31    2.485   111.10
2592.31    2.521   110.92
2602.31    2.557   110.74
2612.31    2.591   110.57
2622.31    2.625   110.41
2632.31    2.659   110.24
2642.31    2.692   110.09
2652.31    2.724   109.93
2662.31    2.755   109.78
2672.31    2.787   109.63
2682.31    2.817   109.49
2692.31    2.847   109.35
2702.31    2.876   109.21
2712.31    2.904   109.07
2722.31    2.932   108.94
2732.31    2.959   108.81
2742.31    2.985   108.68
2752.31    3.011   108.55
2762.31    3.036   108.43
2772.31    3.060   108.31
2782.31    3.084   108.19
2792.31    3.106   108.07
2802.31    3.128   107.95
2812.31    3.150   107.84
2822.31    3.170   107.72
2832.31    3.190   107.61
2842.31    3.209   107.50
2852.31    3.227   107.39
2862.31    3.244   107.28
2872.31    3.260   107.18






Disclaimer
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 17:05:08



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