Double Star Calculator - Orbit

Orbital Elements for STT369
WDS: STT369 WDS ID/Discoverer
P: 1055.000 Orbital period (years)
a: 0.784 Semi-major axis (arcseconds)
i: 123.3 Inclination (degrees)
Ω: 39.3 Longitude of ascending node (degrees)
T: 2676.500 Epoch of periastron passage (year)
e: 0.161 Eccentricity
ω: 262.4 Longitude of periastron (degrees)
Start-Year: 1497.5 Year
End-Year: 2552.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STT369
Position: 190706.37+720426.6 Epoch-2000 right ascension and declination
WDS-ID: 19071+7204 WDS designation
Discoverer Code: STT369 Discover designation and components
ADS number: 12113 Aitken Double Star catalog
HD number: 179729 HD catalog number
Hipparcos number: 93876 Hipparcos catalog number
V1: 7.82 Magnitude of the primary
V2: 7.91 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: PkO2018b Reference

Double Star Orbit for STT369



WDS 6th Orbit including measures of STT369

-- 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 STT369
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.672     4.95
--------------------------
1497.50    0.654   204.52
1507.50    0.632   201.77
1517.50    0.609   198.82
1527.50    0.584   195.62
1537.50    0.558   192.13
1547.50    0.531   188.29
1557.50    0.504   184.04
1567.50    0.477   179.30
1577.50    0.451   174.01
1587.50    0.426   168.09
1597.50    0.404   161.48
1607.50    0.386   154.19
1617.50    0.372   146.27
1627.50    0.364   137.87
1637.50    0.362   129.21
1647.50    0.365   120.58
1657.50    0.375   112.26
1667.50    0.390   104.46
1677.50    0.409    97.31
1687.50    0.431    90.86
1697.50    0.456    85.08
1707.50    0.483    79.92
1717.50    0.511    75.31
1727.50    0.538    71.18
1737.50    0.566    67.45
1747.50    0.593    64.06
1757.50    0.619    60.96
1767.50    0.643    58.10
1777.50    0.666    55.45
1787.50    0.688    52.97
1797.50    0.707    50.64
1807.50    0.725    48.42
1817.50    0.740    46.30
1827.50    0.754    44.27
1837.50    0.766    42.30
1847.50    0.776    40.39
1857.50    0.783    38.52
1867.50    0.789    36.68
1877.50    0.793    34.86
1887.50    0.795    33.06
1897.50    0.795    31.26
1907.50    0.793    29.46
1917.50    0.790    27.65
1927.50    0.785    25.82
1937.50    0.779    23.96
1947.50    0.771    22.07
1957.50    0.762    20.13
1967.50    0.752    18.15
1977.50    0.740    16.11
1987.50    0.728    14.00
1997.50    0.714    11.81
2007.50    0.700     9.54
2017.50    0.685     7.17
2027.50    0.670     4.70
2037.50    0.655     2.11
2047.50    0.639   359.39
2057.50    0.623   356.54
2067.50    0.608   353.54
2077.50    0.592   350.38
2087.50    0.578   347.06
2097.50    0.564   343.57
2107.50    0.550   339.90
2117.50    0.538   336.07
2127.50    0.528   332.07
2137.50    0.518   327.91
2147.50    0.511   323.61
2157.50    0.505   319.20
2167.50    0.501   314.71
2177.50    0.499   310.16
2187.50    0.499   305.59
2197.50    0.501   301.05
2207.50    0.505   296.56
2217.50    0.511   292.16
2227.50    0.519   287.87
2237.50    0.528   283.72
2247.50    0.539   279.73
2257.50    0.551   275.90
2267.50    0.564   272.24
2277.50    0.578   268.75
2287.50    0.592   265.43
2297.50    0.607   262.26
2307.50    0.622   259.25
2317.50    0.637   256.38
2327.50    0.652   253.64
2337.50    0.666   251.03
2347.50    0.680   248.52
2357.50    0.694   246.11
2367.50    0.706   243.79
2377.50    0.718   241.55
2387.50    0.728   239.38
2397.50    0.738   237.26
2407.50    0.746   235.20
2417.50    0.752   233.17
2427.50    0.757   231.17
2437.50    0.760   229.20
2447.50    0.762   227.24
2457.50    0.761   225.28
2467.50    0.759   223.31
2477.50    0.754   221.32
2487.50    0.748   219.31
2497.50    0.739   217.25
2507.50    0.728   215.14
2517.50    0.716   212.97
2527.50    0.701   210.70
2537.50    0.683   208.33
2547.50    0.664   205.83






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 18:00:12



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