Double Star Calculator - Orbit

Orbital Elements for STF1606
WDS: STF1606 WDS ID/Discoverer
P: 1431.000 Orbital period (years)
a: 2.002 Semi-major axis (arcseconds)
i: 129.5 Inclination (degrees)
Ω: 122.2 Longitude of ascending node (degrees)
T: 1988.320 Epoch of periastron passage (year)
e: 0.7796 Eccentricity
ω: 256.7 Longitude of periastron (degrees)
Start-Year: 1309.5 Year
End-Year: 2740.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF1606
Position: 121047.34+395329.5 Epoch-2000 right ascension and declination
WDS-ID: 12108+3953 WDS designation
Discoverer Code: STF1606 Discover designation and components
ADS number: 8446 Aitken Double Star catalog
HD number: 105824 HD catalog number
Hipparcos number: 59366 Hipparcos catalog number
V1: 7.44 Magnitude of the primary
V2: 7.93 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 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: Msn1999a Reference

Double Star Orbit for STF1606



WDS 6th Orbit including measures of STF1606

-- 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 STF1606
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.711   134.23
--------------------------
1309.50    2.327    49.90
1319.50    2.319    49.15
1329.50    2.311    48.40
1339.50    2.302    47.65
1349.50    2.293    46.89
1359.50    2.283    46.12
1369.50    2.273    45.35
1379.50    2.263    44.56
1389.50    2.252    43.78
1399.50    2.241    42.98
1409.50    2.229    42.18
1419.50    2.217    41.36
1429.50    2.205    40.54
1439.50    2.193    39.71
1449.50    2.179    38.87
1459.50    2.166    38.02
1469.50    2.152    37.16
1479.50    2.138    36.29
1489.50    2.124    35.40
1499.50    2.109    34.50
1509.50    2.093    33.59
1519.50    2.078    32.67
1529.50    2.062    31.73
1539.50    2.045    30.78
1549.50    2.029    29.81
1559.50    2.012    28.83
1569.50    1.994    27.83
1579.50    1.976    26.81
1589.50    1.958    25.77
1599.50    1.939    24.71
1609.50    1.920    23.63
1619.50    1.901    22.53
1629.50    1.881    21.41
1639.50    1.860    20.26
1649.50    1.839    19.09
1659.50    1.818    17.89
1669.50    1.797    16.66
1679.50    1.774    15.40
1689.50    1.752    14.10
1699.50    1.729    12.78
1709.50    1.705    11.42
1719.50    1.681    10.01
1729.50    1.656     8.57
1739.50    1.631     7.08
1749.50    1.605     5.55
1759.50    1.578     3.96
1769.50    1.550     2.32
1779.50    1.522     0.62
1789.50    1.493   358.85
1799.50    1.463   357.01
1809.50    1.432   355.10
1819.50    1.400   353.09
1829.50    1.366   350.99
1839.50    1.332   348.79
1849.50    1.295   346.46
1859.50    1.257   343.99
1869.50    1.216   341.36
1879.50    1.174   338.55
1889.50    1.128   335.52
1899.50    1.078   332.22
1909.50    1.024   328.58
1919.50    0.965   324.52
1929.50    0.898   319.89
1939.50    0.823   314.47
1949.50    0.735   307.84
1959.50    0.632   299.23
1969.50    0.510   286.83
1979.50    0.377   265.94
1989.50    0.286   226.90
1999.50    0.332   181.01
2009.50    0.467   154.64
2019.50    0.614   140.66
2029.50    0.750   131.97
2039.50    0.873   125.85
2049.50    0.982   121.17
2059.50    1.081   117.39
2069.50    1.170   114.22
2079.50    1.252   111.48
2089.50    1.327   109.07
2099.50    1.396   106.90
2109.50    1.461   104.94
2119.50    1.520   103.13
2129.50    1.576   101.45
2139.50    1.628    99.89
2149.50    1.677    98.42
2159.50    1.723    97.03
2169.50    1.767    95.71
2179.50    1.808    94.45
2189.50    1.846    93.25
2199.50    1.882    92.09
2209.50    1.917    90.98
2219.50    1.949    89.91
2229.50    1.980    88.87
2239.50    2.009    87.86
2249.50    2.037    86.87
2259.50    2.063    85.92
2269.50    2.088    84.99
2279.50    2.111    84.08
2289.50    2.134    83.18
2299.50    2.155    82.31
2309.50    2.174    81.45
2319.50    2.193    80.61
2329.50    2.211    79.78
2339.50    2.228    78.97
2349.50    2.243    78.16
2359.50    2.258    77.37
2369.50    2.272    76.59
2379.50    2.285    75.81
2389.50    2.297    75.05
2399.50    2.308    74.29
2409.50    2.319    73.54
2419.50    2.329    72.80
2429.50    2.338    72.06
2439.50    2.346    71.33
2449.50    2.354    70.60
2459.50    2.361    69.88
2469.50    2.367    69.16
2479.50    2.372    68.44
2489.50    2.377    67.73
2499.50    2.382    67.02
2509.50    2.385    66.31
2519.50    2.388    65.61
2529.50    2.391    64.91
2539.50    2.393    64.20
2549.50    2.394    63.50
2559.50    2.395    62.80
2569.50    2.396    62.10
2579.50    2.395    61.40
2589.50    2.395    60.70
2599.50    2.394    60.00
2609.50    2.392    59.30
2619.50    2.390    58.60
2629.50    2.387    57.89
2639.50    2.384    57.19
2649.50    2.380    56.48
2659.50    2.376    55.77
2669.50    2.372    55.06
2679.50    2.367    54.34
2689.50    2.361    53.62
2699.50    2.355    52.90
2709.50    2.349    52.17
2719.50    2.342    51.44
2729.50    2.335    50.71
2739.50    2.328    49.97






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 16:43:54



www.stella-vega.de