Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:23:37

Orbital Elements for STF67
WDS: STF67 WDS ID/Discoverer
P: 4133.000 Orbital period (years)
a: 5.982 Semi-major axis (arcseconds)
i: 113.3 Inclination (degrees)
Ω: 216.0 Longitude of ascending node (degrees)
T: 1741.000 Epoch of periastron passage (year)
e: 0.908 Eccentricity
ω: 102.0 Longitude of periastron (degrees)
Start-Year: -41.0 Year
End-Year: 4091.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STF67
Position: 005207.59+103603.7 Epoch-2000 right ascension and declination
WDS-ID: 00521+1036 WDS designation
Discoverer Code: STF67 Discover designation and components
ADS number: 709 Aitken Double Star catalog
HD number: 4936 HD catalog number
Hipparcos number: 4065 Hipparcos catalog number
V1: 8.98 Magnitude of the primary
V2: 9.56 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for STF67



WDS 6th Orbit including measures of STF67

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of STF67
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     2.309    348.5
-------------------------
-41.0      5.191    272.1
-31.0      5.196    271.9
-21.0      5.200    271.7
-11.0      5.205    271.5
-1.0       5.209    271.4
9.0        5.213    271.2
19.0       5.217    271.0
29.0       5.221    270.8
39.0       5.224    270.6
49.0       5.228    270.4
59.0       5.232    270.2
69.0       5.235    270.0
79.0       5.238    269.8
89.0       5.241    269.7
99.0       5.244    269.5
109.0      5.247    269.3
119.0      5.249    269.1
129.0      5.252    268.9
139.0      5.254    268.7
149.0      5.257    268.5
159.0      5.259    268.3
169.0      5.261    268.2
179.0      5.263    268.0
189.0      5.264    267.8
199.0      5.266    267.6
209.0      5.267    267.4
219.0      5.268    267.2
229.0      5.270    267.0
239.0      5.270    266.8
249.0      5.271    266.7
259.0      5.272    266.5
269.0      5.272    266.3
279.0      5.273    266.1
289.0      5.273    265.9
299.0      5.273    265.7
309.0      5.273    265.5
319.0      5.273    265.4
329.0      5.272    265.2
339.0      5.272    265.0
349.0      5.271    264.8
359.0      5.270    264.6
369.0      5.269    264.4
379.0      5.268    264.2
389.0      5.266    264.1
399.0      5.265    263.9
409.0      5.263    263.7
419.0      5.261    263.5
429.0      5.259    263.3
439.0      5.257    263.1
449.0      5.254    262.9
459.0      5.252    262.8
469.0      5.249    262.6
479.0      5.246    262.4
489.0      5.243    262.2
499.0      5.240    262.0
509.0      5.236    261.8
519.0      5.232    261.6
529.0      5.228    261.4
539.0      5.224    261.2
549.0      5.220    261.1
559.0      5.215    260.9
569.0      5.211    260.7
579.0      5.206    260.5
589.0      5.201    260.3
599.0      5.195    260.1
609.0      5.190    259.9
619.0      5.184    259.7
629.0      5.178    259.5
639.0      5.172    259.3
649.0      5.166    259.1
659.0      5.159    259.0
669.0      5.152    258.8
679.0      5.145    258.6
689.0      5.138    258.4
699.0      5.130    258.2
709.0      5.123    258.0
719.0      5.115    257.8
729.0      5.106    257.6
739.0      5.098    257.4
749.0      5.089    257.2
759.0      5.080    257.0
769.0      5.071    256.8
779.0      5.061    256.6
789.0      5.052    256.4
799.0      5.042    256.2
809.0      5.031    256.0
819.0      5.021    255.8
829.0      5.010    255.6
839.0      4.999    255.4
849.0      4.987    255.1
859.0      4.976    254.9
869.0      4.964    254.7
879.0      4.951    254.5
889.0      4.939    254.3
899.0      4.926    254.1
909.0      4.913    253.9
919.0      4.899    253.7
929.0      4.885    253.5
939.0      4.871    253.2
949.0      4.857    253.0
959.0      4.842    252.8
969.0      4.826    252.6
979.0      4.811    252.4
989.0      4.795    252.1
999.0      4.779    251.9
1009.0     4.762    251.7
1019.0     4.745    251.4
1029.0     4.727    251.2
1039.0     4.710    251.0
1049.0     4.691    250.8
1059.0     4.673    250.5
1069.0     4.654    250.3
1079.0     4.634    250.0
1089.0     4.614    249.8
1099.0     4.594    249.6
1109.0     4.573    249.3
1119.0     4.551    249.1
1129.0     4.530    248.8
1139.0     4.507    248.6
1149.0     4.484    248.3
1159.0     4.461    248.0
1169.0     4.437    247.8
1179.0     4.413    247.5
1189.0     4.388    247.3
1199.0     4.362    247.0
1209.0     4.336    246.7
1219.0     4.309    246.4
1229.0     4.282    246.2
1239.0     4.254    245.9
1249.0     4.225    245.6
1259.0     4.196    245.3
1269.0     4.166    245.0
1279.0     4.135    244.7
1289.0     4.104    244.4
1299.0     4.071    244.1
1309.0     4.038    243.8
1319.0     4.004    243.4
1329.0     3.970    243.1
1339.0     3.934    242.8
1349.0     3.897    242.5
1359.0     3.860    242.1
1369.0     3.821    241.8
1379.0     3.782    241.4
1389.0     3.741    241.0
1399.0     3.699    240.7
1409.0     3.656    240.3
1419.0     3.612    239.9
1429.0     3.567    239.5
1439.0     3.520    239.1
1449.0     3.472    238.7
1459.0     3.422    238.2
1469.0     3.370    237.8
1479.0     3.317    237.3
1489.0     3.263    236.8
1499.0     3.206    236.3
1509.0     3.147    235.8
1519.0     3.086    235.3
1529.0     3.023    234.7
1539.0     2.957    234.2
1549.0     2.889    233.6
1559.0     2.817    232.9
1569.0     2.743    232.3
1579.0     2.665    231.6
1589.0     2.583    230.8
1599.0     2.497    230.0
1609.0     2.406    229.1
1619.0     2.310    228.2
1629.0     2.208    227.2
1639.0     2.098    226.1
1649.0     1.981    224.8
1659.0     1.854    223.4
1669.0     1.716    221.8
1679.0     1.564    219.9
1689.0     1.394    217.5
1699.0     1.202    214.5
1709.0     0.981    210.1
1719.0     0.720    202.9
1729.0     0.421    185.9
1739.0     0.221    117.4
1749.0     0.451     57.8
1759.0     0.720     42.1
1769.0     0.928     34.5
1779.0     1.088     29.4
1789.0     1.217     25.5
1799.0     1.323     22.3
1809.0     1.414     19.6
1819.0     1.494     17.1
1829.0     1.564     14.9
1839.0     1.627     12.9
1849.0     1.685     11.0
1859.0     1.738      9.2
1869.0     1.786      7.6
1879.0     1.832      6.0
1889.0     1.875      4.5
1899.0     1.916      3.1
1909.0     1.954      1.7
1919.0     1.991      0.4
1929.0     2.026    359.1
1939.0     2.060    357.8
1949.0     2.092    356.6
1959.0     2.123    355.5
1969.0     2.153    354.3
1979.0     2.183    353.2
1989.0     2.211    352.2
1999.0     2.239    351.1
2009.0     2.266    350.1
2019.0     2.293    349.1
2029.0     2.319    348.2
2039.0     2.344    347.2
2049.0     2.369    346.3
2059.0     2.394    345.4
2069.0     2.418    344.5
2079.0     2.442    343.6
2089.0     2.465    342.7
2099.0     2.488    341.9
2109.0     2.511    341.1
2119.0     2.534    340.3
2129.0     2.556    339.5
2139.0     2.578    338.7
2149.0     2.600    337.9
2159.0     2.621    337.1
2169.0     2.643    336.4
2179.0     2.664    335.7
2189.0     2.685    334.9
2199.0     2.706    334.2
2209.0     2.726    333.5
2219.0     2.747    332.8
2229.0     2.767    332.2
2239.0     2.787    331.5
2249.0     2.808    330.8
2259.0     2.828    330.2
2269.0     2.847    329.5
2279.0     2.867    328.9
2289.0     2.887    328.3
2299.0     2.906    327.7
2309.0     2.926    327.1
2319.0     2.945    326.5
2329.0     2.964    325.9
2339.0     2.983    325.3
2349.0     3.002    324.7
2359.0     3.021    324.1
2369.0     3.040    323.6
2379.0     3.059    323.0
2389.0     3.078    322.5
2399.0     3.096    321.9
2409.0     3.115    321.4
2419.0     3.133    320.9
2429.0     3.151    320.3
2439.0     3.170    319.8
2449.0     3.188    319.3
2459.0     3.206    318.8
2469.0     3.224    318.3
2479.0     3.242    317.8
2489.0     3.260    317.3
2499.0     3.278    316.8
2509.0     3.296    316.4
2519.0     3.314    315.9
2529.0     3.331    315.4
2539.0     3.349    315.0
2549.0     3.366    314.5
2559.0     3.384    314.0
2569.0     3.401    313.6
2579.0     3.419    313.2
2589.0     3.436    312.7
2599.0     3.453    312.3
2609.0     3.470    311.8
2619.0     3.487    311.4
2629.0     3.504    311.0
2639.0     3.521    310.6
2649.0     3.538    310.2
2659.0     3.555    309.8
2669.0     3.572    309.3
2679.0     3.589    308.9
2689.0     3.605    308.5
2699.0     3.622    308.2
2709.0     3.638    307.8
2719.0     3.655    307.4
2729.0     3.671    307.0
2739.0     3.688    306.6
2749.0     3.704    306.2
2759.0     3.720    305.9
2769.0     3.736    305.5
2779.0     3.752    305.1
2789.0     3.768    304.7
2799.0     3.784    304.4
2809.0     3.800    304.0
2819.0     3.816    303.7
2829.0     3.832    303.3
2839.0     3.848    303.0
2849.0     3.863    302.6
2859.0     3.879    302.3
2869.0     3.894    301.9
2879.0     3.910    301.6
2889.0     3.925    301.3
2899.0     3.940    300.9
2909.0     3.956    300.6
2919.0     3.971    300.3
2929.0     3.986    299.9
2939.0     4.001    299.6
2949.0     4.016    299.3
2959.0     4.031    299.0
2969.0     4.046    298.7
2979.0     4.060    298.3
2989.0     4.075    298.0
2999.0     4.090    297.7
3009.0     4.104    297.4
3019.0     4.119    297.1
3029.0     4.133    296.8
3039.0     4.148    296.5
3049.0     4.162    296.2
3059.0     4.176    295.9
3069.0     4.190    295.6
3079.0     4.204    295.3
3089.0     4.218    295.0
3099.0     4.232    294.7
3109.0     4.246    294.4
3119.0     4.260    294.2
3129.0     4.274    293.9
3139.0     4.287    293.6
3149.0     4.301    293.3
3159.0     4.314    293.0
3169.0     4.328    292.8
3179.0     4.341    292.5
3189.0     4.354    292.2
3199.0     4.368    291.9
3209.0     4.381    291.7
3219.0     4.394    291.4
3229.0     4.407    291.1
3239.0     4.420    290.9
3249.0     4.432    290.6
3259.0     4.445    290.3
3269.0     4.458    290.1
3279.0     4.470    289.8
3289.0     4.483    289.6
3299.0     4.495    289.3
3309.0     4.508    289.1
3319.0     4.520    288.8
3329.0     4.532    288.5
3339.0     4.544    288.3
3349.0     4.556    288.0
3359.0     4.568    287.8
3369.0     4.580    287.6
3379.0     4.592    287.3
3389.0     4.603    287.1
3399.0     4.615    286.8
3409.0     4.627    286.6
3419.0     4.638    286.3
3429.0     4.649    286.1
3439.0     4.661    285.9
3449.0     4.672    285.6
3459.0     4.683    285.4
3469.0     4.694    285.2
3479.0     4.705    284.9
3489.0     4.716    284.7
3499.0     4.726    284.5
3509.0     4.737    284.2
3519.0     4.748    284.0
3529.0     4.758    283.8
3539.0     4.769    283.5
3549.0     4.779    283.3
3559.0     4.789    283.1
3569.0     4.799    282.9
3579.0     4.809    282.6
3589.0     4.819    282.4
3599.0     4.829    282.2
3609.0     4.839    282.0
3619.0     4.849    281.7
3629.0     4.858    281.5
3639.0     4.868    281.3
3649.0     4.877    281.1
3659.0     4.886    280.9
3669.0     4.896    280.7
3679.0     4.905    280.4
3689.0     4.914    280.2
3699.0     4.923    280.0
3709.0     4.931    279.8
3719.0     4.940    279.6
3729.0     4.949    279.4
3739.0     4.957    279.2
3749.0     4.966    279.0
3759.0     4.974    278.8
3769.0     4.982    278.5
3779.0     4.991    278.3
3789.0     4.999    278.1
3799.0     5.007    277.9
3809.0     5.014    277.7
3819.0     5.022    277.5
3829.0     5.030    277.3
3839.0     5.037    277.1
3849.0     5.045    276.9
3859.0     5.052    276.7
3869.0     5.059    276.5
3879.0     5.066    276.3
3889.0     5.073    276.1
3899.0     5.080    275.9
3909.0     5.087    275.7
3919.0     5.094    275.5
3929.0     5.100    275.3
3939.0     5.107    275.1
3949.0     5.113    274.9
3959.0     5.119    274.7
3969.0     5.125    274.5
3979.0     5.131    274.3
3989.0     5.137    274.1
3999.0     5.143    273.9
4009.0     5.149    273.7
4019.0     5.154    273.5
4029.0     5.160    273.3
4039.0     5.165    273.1
4049.0     5.170    272.9
4059.0     5.175    272.8
4069.0     5.180    272.6
4079.0     5.185    272.4
4089.0     5.190    272.2






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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