Double Star Calculator - Orbit

Orbital Elements for STF1126AB
WDS: STF1126AB WDS ID/Discoverer
P: 1252.279 Orbital period (years)
a: 1.81632 Semi-major axis (arcseconds)
i: 57.753 Inclination (degrees)
Ω: 25.018 Longitude of ascending node (degrees)
T: 2080.480 Epoch of periastron passage (year)
e: 0.82646 Eccentricity
ω: 257.768 Longitude of periastron (degrees)
Start-Year: 1398.8606 Year
End-Year: 2651.1394 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF1126AB
Position: 074006.99+051351.9 Epoch-2000 right ascension and declination
WDS-ID: 07401+0514 WDS designation
Discoverer Code: STF1126AB Discover designation and components
ADS number: 6263 Aitken Double Star catalog
HD number: 61563 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 6.55 Magnitude of the primary
V2: 6.96 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 STF1126AB



WDS 6th Orbit including measures of STF1126AB

-- 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 STF1126AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.781   181.26
--------------------------
1398.86    1.902    88.46
1408.86    1.897    89.25
1418.86    1.891    90.04
1428.86    1.885    90.84
1438.86    1.878    91.65
1448.86    1.871    92.46
1458.86    1.864    93.28
1468.86    1.856    94.10
1478.86    1.848    94.93
1488.86    1.839    95.77
1498.86    1.831    96.61
1508.86    1.821    97.47
1518.86    1.812    98.33
1528.86    1.802    99.20
1538.86    1.791   100.09
1548.86    1.781   100.98
1558.86    1.770   101.88
1568.86    1.759   102.80
1578.86    1.747   103.73
1588.86    1.735   104.67
1598.86    1.723   105.62
1608.86    1.710   106.59
1618.86    1.697   107.57
1628.86    1.684   108.56
1638.86    1.671   109.58
1648.86    1.657   110.61
1658.86    1.643   111.65
1668.86    1.629   112.72
1678.86    1.614   113.80
1688.86    1.599   114.91
1698.86    1.584   116.03
1708.86    1.568   117.18
1718.86    1.552   118.35
1728.86    1.536   119.54
1738.86    1.520   120.76
1748.86    1.503   122.01
1758.86    1.486   123.29
1768.86    1.469   124.59
1778.86    1.451   125.93
1788.86    1.433   127.30
1798.86    1.415   128.70
1808.86    1.396   130.14
1818.86    1.377   131.63
1828.86    1.358   133.15
1838.86    1.338   134.72
1848.86    1.318   136.33
1858.86    1.297   138.00
1868.86    1.276   139.72
1878.86    1.254   141.50
1888.86    1.232   143.34
1898.86    1.209   145.25
1908.86    1.186   147.24
1918.86    1.161   149.31
1928.86    1.136   151.47
1938.86    1.110   153.73
1948.86    1.082   156.10
1958.86    1.053   158.60
1968.86    1.022   161.25
1978.86    0.989   164.06
1988.86    0.954   167.08
1998.86    0.915   170.35
2008.86    0.872   173.92
2018.86    0.823   177.88
2028.86    0.767   182.39
2038.86    0.700   187.67
2048.86    0.618   194.22
2058.86    0.511   203.17
2068.86    0.365   218.21
2078.86    0.194   259.42
2088.86    0.240   341.40
2098.86    0.430     9.05
2108.86    0.596    20.05
2118.86    0.733    26.53
2128.86    0.847    31.10
2138.86    0.946    34.65
2148.86    1.032    37.56
2158.86    1.108    40.05
2168.86    1.177    42.23
2178.86    1.238    44.19
2188.86    1.295    45.96
2198.86    1.346    47.60
2208.86    1.393    49.12
2218.86    1.437    50.54
2228.86    1.477    51.88
2238.86    1.514    53.15
2248.86    1.549    54.37
2258.86    1.581    55.53
2268.86    1.611    56.65
2278.86    1.639    57.73
2288.86    1.665    58.77
2298.86    1.689    59.79
2308.86    1.711    60.77
2318.86    1.732    61.73
2328.86    1.752    62.67
2338.86    1.770    63.59
2348.86    1.787    64.49
2358.86    1.803    65.38
2368.86    1.817    66.25
2378.86    1.831    67.10
2388.86    1.843    67.95
2398.86    1.855    68.78
2408.86    1.865    69.60
2418.86    1.875    70.42
2428.86    1.883    71.22
2438.86    1.891    72.02
2448.86    1.898    72.82
2458.86    1.904    73.61
2468.86    1.910    74.39
2478.86    1.914    75.17
2488.86    1.918    75.95
2498.86    1.922    76.72
2508.86    1.925    77.49
2518.86    1.927    78.26
2528.86    1.928    79.02
2538.86    1.929    79.79
2548.86    1.929    80.55
2558.86    1.929    81.32
2568.86    1.928    82.09
2578.86    1.927    82.85
2588.86    1.925    83.62
2598.86    1.922    84.39
2608.86    1.919    85.16
2618.86    1.916    85.94
2628.86    1.912    86.72
2638.86    1.908    87.50
2648.86    1.903    88.28






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 15:59:53



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