Double Star Calculator - Orbit

Orbital Elements for STF295
WDS: STF295 WDS ID/Discoverer
P: 3193.963 Orbital period (years)
a: 13.91356 Semi-major axis (arcseconds)
i: 102.627 Inclination (degrees)
Ω: 169.625 Longitude of ascending node (degrees)
T: 1648.797 Epoch of periastron passage (year)
e: 0.80099 Eccentricity
ω: 117.242 Longitude of periastron (degrees)
Start-Year: 428.0186000000001 Year
End-Year: 3621.9813999999997 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF295
Position: 024114.00-004144.4 Epoch-2000 right ascension and declination
WDS-ID: 02412-0042 WDS designation
Discoverer Code: STF295 Discover designation and components
ADS number: 2046 Aitken Double Star catalog
HD number: 16765 HD catalog number
Hipparcos number: 12530 Hipparcos catalog number
V1: 5.82 Magnitude of the primary
V2: 9.68 Magnitude of the secondary
Equinox: Equinox
Date: 2012 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 STF295



WDS 6th Orbit including measures of STF295

-- 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 STF295
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    3.832   299.84
--------------------------
428.02   14.571   186.80
438.02   14.609   186.66
448.02   14.647   186.53
458.02   14.684   186.40
468.02   14.720   186.27
478.02   14.754   186.14
488.02   14.788   186.00
498.02   14.821   185.87
508.02   14.852   185.74
518.02   14.882   185.62
528.02   14.912   185.49
538.02   14.940   185.36
548.02   14.967   185.23
558.02   14.993   185.10
568.02   15.018   184.98
578.02   15.041   184.85
588.02   15.063   184.72
598.02   15.085   184.60
608.02   15.105   184.47
618.02   15.123   184.35
628.02   15.141   184.22
638.02   15.157   184.10
648.02   15.172   183.97
658.02   15.186   183.85
668.02   15.198   183.73
678.02   15.209   183.60
688.02   15.219   183.48
698.02   15.227   183.36
708.02   15.234   183.23
718.02   15.239   183.11
728.02   15.243   182.99
738.02   15.246   182.86
748.02   15.247   182.74
758.02   15.247   182.62
768.02   15.245   182.50
778.02   15.242   182.37
788.02   15.237   182.25
798.02   15.230   182.13
808.02   15.222   182.00
818.02   15.213   181.88
828.02   15.201   181.76
838.02   15.188   181.63
848.02   15.174   181.51
858.02   15.157   181.39
868.02   15.139   181.26
878.02   15.119   181.14
888.02   15.097   181.01
898.02   15.073   180.89
908.02   15.048   180.76
918.02   15.020   180.63
928.02   14.991   180.51
938.02   14.959   180.38
948.02   14.926   180.25
958.02   14.890   180.12
968.02   14.852   179.99
978.02   14.812   179.86
988.02   14.770   179.73
998.02   14.726   179.60
1008.02   14.679   179.47
1018.02   14.630   179.34
1028.02   14.579   179.20
1038.02   14.525   179.07
1048.02   14.468   178.93
1058.02   14.410   178.80
1068.02   14.348   178.66
1078.02   14.284   178.52
1088.02   14.217   178.38
1098.02   14.147   178.24
1108.02   14.074   178.09
1118.02   13.998   177.95
1128.02   13.919   177.80
1138.02   13.837   177.65
1148.02   13.752   177.50
1158.02   13.664   177.35
1168.02   13.572   177.20
1178.02   13.476   177.04
1188.02   13.377   176.88
1198.02   13.274   176.72
1208.02   13.167   176.56
1218.02   13.057   176.39
1228.02   12.942   176.22
1238.02   12.823   176.05
1248.02   12.699   175.88
1258.02   12.571   175.70
1268.02   12.438   175.51
1278.02   12.300   175.33
1288.02   12.157   175.14
1298.02   12.009   174.94
1308.02   11.855   174.74
1318.02   11.696   174.53
1328.02   11.530   174.32
1338.02   11.358   174.10
1348.02   11.179   173.88
1358.02   10.993   173.65
1368.02   10.801   173.41
1378.02   10.600   173.16
1388.02   10.391   172.90
1398.02   10.174   172.63
1408.02    9.947   172.35
1418.02    9.711   172.05
1428.02    9.465   171.74
1438.02    9.208   171.41
1448.02    8.939   171.07
1458.02    8.658   170.70
1468.02    8.364   170.30
1478.02    8.055   169.88
1488.02    7.730   169.42
1498.02    7.388   168.92
1508.02    7.028   168.37
1518.02    6.648   167.76
1528.02    6.246   167.07
1538.02    5.820   166.29
1548.02    5.367   165.37
1558.02    4.885   164.29
1568.02    4.370   162.95
1578.02    3.820   161.24
1588.02    3.233   158.93
1598.02    2.608   155.56
1608.02    1.951   149.95
1618.02    1.285   138.54
1628.02    0.729   106.62
1638.02    0.759    43.24
1648.02    1.327    13.85
1658.02    1.964     2.92
1668.02    2.548   357.24
1678.02    3.046   353.58
1688.02    3.456   350.88
1698.02    3.786   348.71
1708.02    4.049   346.85
1718.02    4.256   345.20
1728.02    4.417   343.68
1738.02    4.541   342.26
1748.02    4.635   340.90
1758.02    4.703   339.59
1768.02    4.751   338.32
1778.02    4.781   337.06
1788.02    4.796   335.82
1798.02    4.800   334.58
1808.02    4.792   333.33
1818.02    4.776   332.09
1828.02    4.753   330.83
1838.02    4.723   329.56
1848.02    4.688   328.27
1858.02    4.649   326.96
1868.02    4.606   325.62
1878.02    4.560   324.27
1888.02    4.511   322.88
1898.02    4.461   321.46
1908.02    4.410   320.01
1918.02    4.357   318.52
1928.02    4.304   317.00
1938.02    4.251   315.44
1948.02    4.199   313.84
1958.02    4.147   312.20
1968.02    4.095   310.52
1978.02    4.046   308.79
1988.02    3.998   307.03
1998.02    3.951   305.22
2008.02    3.907   303.37
2018.02    3.865   301.48
2028.02    3.826   299.55
2038.02    3.790   297.58
2048.02    3.757   295.57
2058.02    3.727   293.53
2068.02    3.700   291.46
2078.02    3.677   289.36
2088.02    3.658   287.24
2098.02    3.643   285.09
2108.02    3.632   282.93
2118.02    3.625   280.77
2128.02    3.622   278.59
2138.02    3.624   276.41
2148.02    3.630   274.24
2158.02    3.640   272.08
2168.02    3.654   269.93
2178.02    3.673   267.81
2188.02    3.695   265.70
2198.02    3.722   263.63
2208.02    3.753   261.58
2218.02    3.788   259.57
2228.02    3.827   257.60
2238.02    3.869   255.67
2248.02    3.915   253.79
2258.02    3.964   251.95
2268.02    4.017   250.15
2278.02    4.072   248.41
2288.02    4.131   246.71
2298.02    4.193   245.06
2308.02    4.257   243.46
2318.02    4.324   241.91
2328.02    4.393   240.41
2338.02    4.464   238.95
2348.02    4.538   237.54
2358.02    4.613   236.18
2368.02    4.691   234.86
2378.02    4.770   233.58
2388.02    4.851   232.34
2398.02    4.933   231.15
2408.02    5.017   230.00
2418.02    5.102   228.88
2428.02    5.188   227.80
2438.02    5.276   226.76
2448.02    5.364   225.75
2458.02    5.454   224.78
2468.02    5.544   223.83
2478.02    5.636   222.92
2488.02    5.727   222.03
2498.02    5.820   221.18
2508.02    5.913   220.35
2518.02    6.007   219.54
2528.02    6.102   218.76
2538.02    6.196   218.01
2548.02    6.292   217.27
2558.02    6.387   216.56
2568.02    6.483   215.87
2578.02    6.579   215.20
2588.02    6.675   214.55
2598.02    6.772   213.92
2608.02    6.869   213.31
2618.02    6.965   212.71
2628.02    7.062   212.13
2638.02    7.159   211.57
2648.02    7.256   211.02
2658.02    7.353   210.48
2668.02    7.450   209.96
2678.02    7.547   209.45
2688.02    7.644   208.96
2698.02    7.740   208.48
2708.02    7.837   208.00
2718.02    7.933   207.55
2728.02    8.030   207.10
2738.02    8.126   206.66
2748.02    8.221   206.23
2758.02    8.317   205.81
2768.02    8.413   205.41
2778.02    8.508   205.01
2788.02    8.602   204.62
2798.02    8.697   204.24
2808.02    8.791   203.86
2818.02    8.885   203.50
2828.02    8.979   203.14
2838.02    9.072   202.79
2848.02    9.165   202.44
2858.02    9.258   202.11
2868.02    9.350   201.78
2878.02    9.442   201.45
2888.02    9.533   201.14
2898.02    9.624   200.83
2908.02    9.714   200.52
2918.02    9.805   200.22
2928.02    9.894   199.93
2938.02    9.983   199.64
2948.02   10.072   199.35
2958.02   10.160   199.07
2968.02   10.248   198.80
2978.02   10.335   198.53
2988.02   10.422   198.26
2998.02   10.508   198.00
3008.02   10.594   197.75
3018.02   10.679   197.50
3028.02   10.764   197.25
3038.02   10.848   197.00
3048.02   10.932   196.76
3058.02   11.015   196.52
3068.02   11.097   196.29
3078.02   11.179   196.06
3088.02   11.261   195.83
3098.02   11.341   195.61
3108.02   11.422   195.39
3118.02   11.501   195.17
3128.02   11.580   194.96
3138.02   11.658   194.75
3148.02   11.736   194.54
3158.02   11.813   194.33
3168.02   11.890   194.13
3178.02   11.965   193.93
3188.02   12.041   193.73
3198.02   12.115   193.53
3208.02   12.189   193.34
3218.02   12.262   193.15
3228.02   12.334   192.96
3238.02   12.406   192.77
3248.02   12.477   192.59
3258.02   12.548   192.41
3268.02   12.617   192.23
3278.02   12.686   192.05
3288.02   12.755   191.87
3298.02   12.822   191.70
3308.02   12.889   191.52
3318.02   12.955   191.35
3328.02   13.020   191.18
3338.02   13.085   191.02
3348.02   13.149   190.85
3358.02   13.212   190.69
3368.02   13.274   190.52
3378.02   13.335   190.36
3388.02   13.396   190.20
3398.02   13.456   190.04
3408.02   13.515   189.89
3418.02   13.573   189.73
3428.02   13.631   189.58
3438.02   13.687   189.42
3448.02   13.743   189.27
3458.02   13.798   189.12
3468.02   13.852   188.97
3478.02   13.905   188.82
3488.02   13.958   188.68
3498.02   14.009   188.53
3508.02   14.060   188.39
3518.02   14.109   188.24
3528.02   14.158   188.10
3538.02   14.206   187.96
3548.02   14.253   187.82
3558.02   14.299   187.68
3568.02   14.344   187.54
3578.02   14.388   187.40
3588.02   14.431   187.26
3598.02   14.473   187.12
3608.02   14.515   186.99
3618.02   14.555   186.85






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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 15:02:53



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