Double Star Calculator - Orbit

Orbital Elements for STF1066
WDS: STF1066 WDS ID/Discoverer
P: 1418.438 Orbital period (years)
a: 7.76117 Semi-major axis (arcseconds)
i: 51.036 Inclination (degrees)
Ω: 70.828 Longitude of ascending node (degrees)
T: 2150.983 Epoch of periastron passage (year)
e: 0.70913 Eccentricity
ω: 268.361 Longitude of periastron (degrees)
Start-Year: 1315.78125 Year
End-Year: 2734.21875 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF1066
Position: 072007.39+215856.4 Epoch-2000 right ascension and declination
WDS-ID: 07201+2159 WDS designation
Discoverer Code: STF1066 Discover designation and components
ADS number: 5983 Aitken Double Star catalog
HD number: 56986 HD catalog number
Hipparcos number: 35550 Hipparcos catalog number
V1: 3.55 Magnitude of the primary
V2: 8.18 Magnitude of the secondary
Equinox: Equinox
Date: 2013 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 STF1066



WDS 6th Orbit including measures of STF1066

-- 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 STF1066
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    5.381   230.61
--------------------------
1315.78    8.323   145.97
1325.78    8.330   146.94
1335.78    8.337   147.92
1345.78    8.342   148.89
1355.78    8.347   149.87
1365.78    8.350   150.84
1375.78    8.353   151.81
1385.78    8.354   152.78
1395.78    8.355   153.75
1405.78    8.355   154.73
1415.78    8.354   155.70
1425.78    8.352   156.67
1435.78    8.349   157.64
1445.78    8.345   158.61
1455.78    8.340   159.59
1465.78    8.335   160.56
1475.78    8.328   161.54
1485.78    8.321   162.52
1495.78    8.313   163.50
1505.78    8.304   164.48
1515.78    8.294   165.46
1525.78    8.283   166.45
1535.78    8.271   167.44
1545.78    8.259   168.43
1555.78    8.245   169.43
1565.78    8.231   170.43
1575.78    8.216   171.43
1585.78    8.199   172.43
1595.78    8.182   173.44
1605.78    8.164   174.46
1615.78    8.144   175.48
1625.78    8.124   176.50
1635.78    8.102   177.53
1645.78    8.080   178.57
1655.78    8.056   179.61
1665.78    8.031   180.66
1675.78    8.005   181.71
1685.78    7.977   182.77
1695.78    7.949   183.84
1705.78    7.918   184.92
1715.78    7.887   186.00
1725.78    7.854   187.10
1735.78    7.819   188.20
1745.78    7.783   189.32
1755.78    7.744   190.44
1765.78    7.704   191.58
1775.78    7.663   192.72
1785.78    7.619   193.89
1795.78    7.573   195.06
1805.78    7.524   196.25
1815.78    7.474   197.45
1825.78    7.421   198.68
1835.78    7.365   199.92
1845.78    7.306   201.18
1855.78    7.244   202.46
1865.78    7.179   203.76
1875.78    7.111   205.09
1885.78    7.039   206.44
1895.78    6.963   207.83
1905.78    6.882   209.24
1915.78    6.797   210.69
1925.78    6.707   212.18
1935.78    6.611   213.70
1945.78    6.510   215.28
1955.78    6.402   216.90
1965.78    6.286   218.59
1975.78    6.163   220.34
1985.78    6.031   222.16
1995.78    5.890   224.07
2005.78    5.737   226.07
2015.78    5.573   228.19
2025.78    5.395   230.45
2035.78    5.201   232.86
2045.78    4.990   235.47
2055.78    4.758   238.33
2065.78    4.502   241.49
2075.78    4.219   245.05
2085.78    3.905   249.16
2095.78    3.554   254.04
2105.78    3.162   260.05
2115.78    2.729   267.89
2125.78    2.264   278.85
2135.78    1.811   295.45
2145.78    1.481   321.28
2155.78    1.452   354.14
2165.78    1.745    21.60
2175.78    2.193    39.42
2185.78    2.666    51.01
2195.78    3.114    59.16
2205.78    3.524    65.32
2215.78    3.893    70.25
2225.78    4.226    74.37
2235.78    4.526    77.91
2245.78    4.798    81.03
2255.78    5.046    83.82
2265.78    5.272    86.37
2275.78    5.479    88.72
2285.78    5.670    90.90
2295.78    5.847    92.94
2305.78    6.010    94.87
2315.78    6.162    96.70
2325.78    6.303    98.44
2335.78    6.435   100.11
2345.78    6.558   101.72
2355.78    6.673   103.27
2365.78    6.781   104.77
2375.78    6.883   106.22
2385.78    6.978   107.63
2395.78    7.067   109.00
2405.78    7.152   110.34
2415.78    7.231   111.66
2425.78    7.306   112.94
2435.78    7.377   114.20
2445.78    7.443   115.43
2455.78    7.506   116.64
2465.78    7.566   117.84
2475.78    7.622   119.01
2485.78    7.675   120.17
2495.78    7.725   121.31
2505.78    7.772   122.44
2515.78    7.817   123.56
2525.78    7.859   124.66
2535.78    7.898   125.75
2545.78    7.936   126.84
2555.78    7.971   127.91
2565.78    8.004   128.97
2575.78    8.036   130.02
2585.78    8.065   131.07
2595.78    8.093   132.11
2605.78    8.118   133.14
2615.78    8.143   134.16
2625.78    8.165   135.18
2635.78    8.186   136.20
2645.78    8.206   137.21
2655.78    8.224   138.21
2665.78    8.241   139.21
2675.78    8.257   140.21
2685.78    8.271   141.20
2695.78    8.284   142.19
2705.78    8.296   143.18
2715.78    8.306   144.16
2725.78    8.316   145.14






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 15:56:41



www.stella-vega.de