Double Star Calculator - Orbit

Orbital Elements for STF1825
WDS: STF1825 WDS ID/Discoverer
P: 1085.142 Orbital period (years)
a: 7.44403 Semi-major axis (arcseconds)
i: 104.694 Inclination (degrees)
Ω: 139.579 Longitude of ascending node (degrees)
T: 2119.017 Epoch of periastron passage (year)
e: 0.73512 Eccentricity
ω: 81.4 Longitude of periastron (degrees)
Start-Year: 1482.4290999999998 Year
End-Year: 2567.5709 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF1825
Position: 141632.84+200718.7 Epoch-2000 right ascension and declination
WDS-ID: 14165+2007 WDS designation
Discoverer Code: STF1825 Discover designation and components
ADS number: 9192 Aitken Double Star catalog
HD number: 125040 HD catalog number
Hipparcos number: 69751 Hipparcos catalog number
V1: 6.47 Magnitude of the primary
V2: 8.42 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: n Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for STF1825



WDS 6th Orbit including measures of STF1825

-- 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 STF1825
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    4.355   151.85
--------------------------
1482.43    4.613   277.56
1492.43    4.519   276.04
1502.43    4.425   274.46
1512.43    4.332   272.81
1522.43    4.240   271.09
1532.43    4.149   269.29
1542.43    4.059   267.42
1552.43    3.972   265.46
1562.43    3.886   263.41
1572.43    3.804   261.27
1582.43    3.724   259.04
1592.43    3.648   256.71
1602.43    3.576   254.29
1612.43    3.509   251.77
1622.43    3.446   249.15
1632.43    3.388   246.44
1642.43    3.336   243.65
1652.43    3.290   240.76
1662.43    3.250   237.81
1672.43    3.217   234.78
1682.43    3.191   231.70
1692.43    3.172   228.58
1702.43    3.160   225.42
1712.43    3.156   222.25
1722.43    3.159   219.08
1732.43    3.169   215.92
1742.43    3.186   212.79
1752.43    3.211   209.70
1762.43    3.242   206.66
1772.43    3.279   203.68
1782.43    3.322   200.78
1792.43    3.370   197.95
1802.43    3.423   195.21
1812.43    3.480   192.56
1822.43    3.542   189.99
1832.43    3.606   187.52
1842.43    3.673   185.13
1852.43    3.742   182.83
1862.43    3.812   180.61
1872.43    3.883   178.48
1882.43    3.953   176.42
1892.43    4.023   174.43
1902.43    4.092   172.51
1912.43    4.158   170.65
1922.43    4.221   168.85
1932.43    4.279   167.10
1942.43    4.333   165.40
1952.43    4.380   163.73
1962.43    4.420   162.10
1972.43    4.450   160.49
1982.43    4.469   158.90
1992.43    4.475   157.32
2002.43    4.465   155.74
2012.43    4.436   154.14
2022.43    4.384   152.52
2032.43    4.304   150.85
2042.43    4.189   149.10
2052.43    4.030   147.23
2062.43    3.815   145.18
2072.43    3.526   142.83
2082.43    3.140   140.00
2092.43    2.623   136.19
2102.43    1.939   130.06
2112.43    1.090   115.28
2122.43    0.510    40.65
2132.43    1.236   342.12
2142.43    2.099   330.06
2152.43    2.830   324.79
2162.43    3.430   321.55
2172.43    3.923   319.21
2182.43    4.331   317.36
2192.43    4.671   315.80
2202.43    4.955   314.43
2212.43    5.195   313.21
2222.43    5.396   312.08
2232.43    5.565   311.03
2242.43    5.706   310.03
2252.43    5.823   309.08
2262.43    5.919   308.17
2272.43    5.997   307.28
2282.43    6.057   306.41
2292.43    6.103   305.55
2302.43    6.136   304.71
2312.43    6.157   303.87
2322.43    6.166   303.04
2332.43    6.166   302.21
2342.43    6.156   301.38
2352.43    6.138   300.54
2362.43    6.112   299.70
2372.43    6.079   298.85
2382.43    6.040   297.98
2392.43    5.994   297.11
2402.43    5.943   296.22
2412.43    5.887   295.32
2422.43    5.826   294.40
2432.43    5.761   293.46
2442.43    5.692   292.49
2452.43    5.619   291.51
2462.43    5.543   290.49
2472.43    5.463   289.45
2482.43    5.381   288.37
2492.43    5.297   287.26
2502.43    5.210   286.12
2512.43    5.122   284.93
2522.43    5.032   283.71
2532.43    4.940   282.43
2542.43    4.848   281.11
2552.43    4.755   279.74
2562.43    4.661   278.32






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 17:04:33



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