Double Star Calculator - Orbit

Orbital Elements for STF314AB,C

WDS:	STF314AB,C	WDS ID/Discoverer
P:	1185.367	Orbital period (years)
a:	2.6855	Semi-major axis (arcseconds)
i:	81.701	Inclination (degrees)
Ω:	141.478	Longitude of ascending node (degrees)
T:	2125.742	Epoch of periastron passage (year)
e:	0.69216	Eccentricity
ω:	257.536	Longitude of periastron (degrees)
Start-Year:	1432.31655	Year
End-Year:	2617.68345	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STF314AB,C
Position:	025252.03+525950.6	Epoch-2000 right ascension and declination
WDS-ID:	02529+5300	WDS designation
Discoverer Code:	STF314AB,C	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	6.95	Magnitude of the primary
V2:	7.26	Magnitude of the secondary
Equinox:		Equinox
Date:	2015	Date of last observation
Orbit grade:	4	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 STF314AB,C

WDS 6th Orbit including measures of STF314AB,C

-- 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 STF314AB,C

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.574   315.41
--------------------------
1432.32    1.657   162.81
1442.32    1.610   163.67
1452.32    1.563   164.57
1462.32    1.516   165.54
1472.32    1.467   166.56
1482.32    1.419   167.66
1492.32    1.370   168.83
1502.32    1.322   170.09
1512.32    1.273   171.45
1522.32    1.224   172.91
1532.32    1.175   174.50
1542.32    1.127   176.22
1552.32    1.079   178.10
1562.32    1.031   180.15
1572.32    0.985   182.40
1582.32    0.939   184.87
1592.32    0.895   187.58
1602.32    0.853   190.57
1612.32    0.813   193.87
1622.32    0.775   197.49
1632.32    0.740   201.48
1642.32    0.708   205.84
1652.32    0.681   210.57
1662.32    0.658   215.67
1672.32    0.640   221.09
1682.32    0.628   226.77
1692.32    0.622   232.62
1702.32    0.622   238.52
1712.32    0.628   244.37
1722.32    0.640   250.05
1732.32    0.658   255.47
1742.32    0.681   260.56
1752.32    0.708   265.30
1762.32    0.739   269.66
1772.32    0.774   273.66
1782.32    0.811   277.30
1792.32    0.850   280.61
1802.32    0.892   283.62
1812.32    0.934   286.36
1822.32    0.978   288.85
1832.32    1.022   291.14
1842.32    1.067   293.23
1852.32    1.112   295.15
1862.32    1.157   296.92
1872.32    1.201   298.57
1882.32    1.244   300.09
1892.32    1.287   301.52
1902.32    1.328   302.85
1912.32    1.368   304.11
1922.32    1.406   305.29
1932.32    1.442   306.42
1942.32    1.475   307.49
1952.32    1.505   308.52
1962.32    1.532   309.51
1972.32    1.555   310.47
1982.32    1.573   311.40
1992.32    1.585   312.31
2002.32    1.592   313.22
2012.32    1.591   314.12
2022.32    1.581   315.02
2032.32    1.561   315.95
2042.32    1.529   316.90
2052.32    1.481   317.91
2062.32    1.414   319.00
2072.32    1.323   320.21
2082.32    1.203   321.64
2092.32    1.047   323.44
2102.32    0.846   326.00
2112.32    0.596   330.47
2122.32    0.310   342.72
2132.32    0.127    68.94
2142.32    0.381   123.34
2152.32    0.669   132.24
2162.32    0.927   135.89
2172.32    1.151   138.02
2182.32    1.344   139.49
2192.32    1.509   140.61
2202.32    1.652   141.52
2212.32    1.775   142.30
2222.32    1.881   142.98
2232.32    1.973   143.60
2242.32    2.052   144.16
2252.32    2.120   144.69
2262.32    2.178   145.18
2272.32    2.228   145.65
2282.32    2.270   146.10
2292.32    2.305   146.54
2302.32    2.334   146.96
2312.32    2.357   147.37
2322.32    2.375   147.78
2332.32    2.388   148.18
2342.32    2.397   148.58
2352.32    2.401   148.98
2362.32    2.402   149.37
2372.32    2.399   149.77
2382.32    2.393   150.17
2392.32    2.384   150.57
2402.32    2.372   150.97
2412.32    2.357   151.38
2422.32    2.340   151.79
2432.32    2.320   152.21
2442.32    2.298   152.64
2452.32    2.274   153.08
2462.32    2.248   153.52
2472.32    2.220   153.98
2482.32    2.190   154.45
2492.32    2.159   154.93
2502.32    2.126   155.43
2512.32    2.092   155.94
2522.32    2.056   156.47
2532.32    2.019   157.02
2542.32    1.980   157.59
2552.32    1.940   158.19
2562.32    1.900   158.81
2572.32    1.858   159.45
2582.32    1.815   160.13
2592.32    1.771   160.84
2602.32    1.727   161.59
2612.32    1.681   162.37

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 15:05:20