Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:26:50

Orbital Elements for I529
WDS: I529 WDS ID/Discoverer
P: 2507.260 Orbital period (years)
a: 2.657 Semi-major axis (arcseconds)
i: 166.66 Inclination (degrees)
Ω: 76.71 Longitude of ascending node (degrees)
T: 1944.060 Epoch of periastron passage (year)
e: 0.9329 Eccentricity
ω: 257.23 Longitude of periastron (degrees)
Start-Year: 772.0 Year
End-Year: 3278.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I529
Position: 145103.30-370549.7 Epoch-2000 right ascension and declination
WDS-ID: 14511-3706 WDS designation
Discoverer Code: I529 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 130779 HD catalog number
Hipparcos number: 72639 Hipparcos catalog number
V1: 9.64 Magnitude of the primary
V2: 10.00 Magnitude of the secondary
Equinox: 1900 Equinox
Date: 1975 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for I529



WDS 6th Orbit including measures of I529

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


Ephemeris of I529
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.253     39.0
-------------------------
772.0      4.989    358.7
782.0      4.986    358.5
792.0      4.982    358.4
802.0      4.977    358.2
812.0      4.972    358.1
822.0      4.967    357.9
832.0      4.961    357.8
842.0      4.955    357.7
852.0      4.949    357.5
862.0      4.942    357.4
872.0      4.934    357.2
882.0      4.927    357.1
892.0      4.918    356.9
902.0      4.910    356.8
912.0      4.901    356.6
922.0      4.891    356.5
932.0      4.882    356.3
942.0      4.871    356.2
952.0      4.861    356.0
962.0      4.849    355.9
972.0      4.838    355.7
982.0      4.826    355.6
992.0      4.813    355.4
1002.0     4.801    355.3
1012.0     4.787    355.1
1022.0     4.774    355.0
1032.0     4.759    354.8
1042.0     4.745    354.7
1052.0     4.730    354.5
1062.0     4.714    354.3
1072.0     4.698    354.2
1082.0     4.682    354.0
1092.0     4.665    353.9
1102.0     4.648    353.7
1112.0     4.630    353.5
1122.0     4.612    353.4
1132.0     4.593    353.2
1142.0     4.574    353.0
1152.0     4.554    352.8
1162.0     4.534    352.7
1172.0     4.513    352.5
1182.0     4.492    352.3
1192.0     4.470    352.2
1202.0     4.448    352.0
1212.0     4.425    351.8
1222.0     4.402    351.6
1232.0     4.379    351.4
1242.0     4.354    351.2
1252.0     4.330    351.1
1262.0     4.304    350.9
1272.0     4.279    350.7
1282.0     4.252    350.5
1292.0     4.225    350.3
1302.0     4.198    350.1
1312.0     4.170    349.9
1322.0     4.141    349.7
1332.0     4.112    349.5
1342.0     4.082    349.2
1352.0     4.052    349.0
1362.0     4.021    348.8
1372.0     3.989    348.6
1382.0     3.957    348.4
1392.0     3.924    348.1
1402.0     3.891    347.9
1412.0     3.857    347.7
1422.0     3.822    347.4
1432.0     3.787    347.2
1442.0     3.750    346.9
1452.0     3.714    346.7
1462.0     3.676    346.4
1472.0     3.638    346.2
1482.0     3.599    345.9
1492.0     3.559    345.6
1502.0     3.518    345.3
1512.0     3.477    345.0
1522.0     3.435    344.7
1532.0     3.392    344.4
1542.0     3.348    344.1
1552.0     3.304    343.8
1562.0     3.258    343.5
1572.0     3.212    343.1
1582.0     3.164    342.8
1592.0     3.116    342.4
1602.0     3.066    342.0
1612.0     3.016    341.7
1622.0     2.965    341.3
1632.0     2.912    340.8
1642.0     2.858    340.4
1652.0     2.804    340.0
1662.0     2.748    339.5
1672.0     2.690    339.0
1682.0     2.632    338.5
1692.0     2.572    338.0
1702.0     2.510    337.5
1712.0     2.448    336.9
1722.0     2.383    336.3
1732.0     2.317    335.6
1742.0     2.249    334.9
1752.0     2.180    334.2
1762.0     2.108    333.5
1772.0     2.035    332.6
1782.0     1.959    331.7
1792.0     1.881    330.8
1802.0     1.801    329.7
1812.0     1.717    328.6
1822.0     1.631    327.3
1832.0     1.542    325.9
1842.0     1.449    324.3
1852.0     1.352    322.5
1862.0     1.250    320.4
1872.0     1.144    317.9
1882.0     1.031    314.9
1892.0     0.912    311.1
1902.0     0.784    306.2
1912.0     0.646    299.2
1922.0     0.495    288.1
1932.0     0.329    266.4
1942.0     0.182    203.3
1952.0     0.258    109.2
1962.0     0.430     77.2
1972.0     0.591     63.3
1982.0     0.736     55.1
1992.0     0.870     49.6
2002.0     0.994     45.5
2012.0     1.111     42.3
2022.0     1.221     39.7
2032.0     1.325     37.5
2042.0     1.425     35.6
2052.0     1.520     34.0
2062.0     1.612     32.5
2072.0     1.700     31.2
2082.0     1.785     30.0
2092.0     1.867     29.0
2102.0     1.946     28.0
2112.0     2.023     27.1
2122.0     2.098     26.3
2132.0     2.171     25.5
2142.0     2.241     24.7
2152.0     2.310     24.1
2162.0     2.377     23.4
2172.0     2.442     22.8
2182.0     2.506     22.2
2192.0     2.568     21.7
2202.0     2.628     21.1
2212.0     2.687     20.6
2222.0     2.745     20.2
2232.0     2.802     19.7
2242.0     2.857     19.3
2252.0     2.911     18.8
2262.0     2.964     18.4
2272.0     3.016     18.0
2282.0     3.067     17.6
2292.0     3.117     17.3
2302.0     3.165     16.9
2312.0     3.213     16.6
2322.0     3.260     16.2
2332.0     3.306     15.9
2342.0     3.351     15.6
2352.0     3.395     15.2
2362.0     3.438     14.9
2372.0     3.480     14.6
2382.0     3.522     14.4
2392.0     3.562     14.1
2402.0     3.602     13.8
2412.0     3.642     13.5
2422.0     3.680     13.3
2432.0     3.718     13.0
2442.0     3.755     12.7
2452.0     3.791     12.5
2462.0     3.826     12.3
2472.0     3.861     12.0
2482.0     3.896     11.8
2492.0     3.929     11.5
2502.0     3.962     11.3
2512.0     3.994     11.1
2522.0     4.026     10.9
2532.0     4.057     10.7
2542.0     4.087     10.4
2552.0     4.117     10.2
2562.0     4.146     10.0
2572.0     4.175      9.8
2582.0     4.203      9.6
2592.0     4.230      9.4
2602.0     4.257      9.2
2612.0     4.284      9.0
2622.0     4.309      8.8
2632.0     4.335      8.6
2642.0     4.359      8.5
2652.0     4.384      8.3
2662.0     4.407      8.1
2672.0     4.430      7.9
2682.0     4.453      7.7
2692.0     4.475      7.5
2702.0     4.497      7.4
2712.0     4.518      7.2
2722.0     4.539      7.0
2732.0     4.559      6.8
2742.0     4.578      6.7
2752.0     4.597      6.5
2762.0     4.616      6.3
2772.0     4.634      6.2
2782.0     4.652      6.0
2792.0     4.669      5.8
2802.0     4.686      5.7
2812.0     4.703      5.5
2822.0     4.718      5.4
2832.0     4.734      5.2
2842.0     4.749      5.0
2852.0     4.763      4.9
2862.0     4.777      4.7
2872.0     4.791      4.6
2882.0     4.804      4.4
2892.0     4.817      4.3
2902.0     4.829      4.1
2912.0     4.841      4.0
2922.0     4.853      3.8
2932.0     4.864      3.7
2942.0     4.874      3.5
2952.0     4.884      3.4
2962.0     4.894      3.2
2972.0     4.904      3.1
2982.0     4.912      2.9
2992.0     4.921      2.8
3002.0     4.929      2.6
3012.0     4.937      2.5
3022.0     4.944      2.3
3032.0     4.951      2.2
3042.0     4.957      2.0
3052.0     4.963      1.9
3062.0     4.969      1.8
3072.0     4.974      1.6
3082.0     4.979      1.5
3092.0     4.983      1.3
3102.0     4.987      1.2
3112.0     4.990      1.0
3122.0     4.994      0.9
3132.0     4.996      0.8
3142.0     4.999      0.6
3152.0     5.000      0.5
3162.0     5.002      0.3
3172.0     5.003      0.2
3182.0     5.004      0.0
3192.0     5.004    359.9
3202.0     5.004    359.8
3212.0     5.003    359.6
3222.0     5.002    359.5
3232.0     5.001    359.3
3242.0     4.999    359.2
3252.0     4.997    359.1
3262.0     4.995    358.9
3272.0     4.992    358.8






Disclaimer
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.


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.


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