| WDS: | STF2789AB | WDS ID/Discoverer |
| P: | 18000.000 | Orbital period (years) |
| a: | 12.0 | Semi-major axis (arcseconds) |
| i: | 96.0 | Inclination (degrees) |
| Ω: | 290.0 | Longitude of ascending node (degrees) |
| T: | 550.000 | Epoch of periastron passage (year) |
| e: | 0.54 | Eccentricity |
| ω: | 60.0 | Longitude of periastron (degrees) |
| Start-Year: | -6975.0 | Year |
| End-Year: | 11025.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF2789AB |
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| Position: | 211958.84+525844.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21200+5259 | WDS designation |
| Discoverer Code: | STF2789AB | Discover designation and components |
| ADS number: | 14878 | Aitken Double Star catalog |
| HD number: | 203380 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 7.71 | Magnitude of the primary |
| V2: | 7.87 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2005 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Kis2009 | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 6.948 113.88 -------------------------- -6975.00 6.275 93.46 -6875.00 6.048 92.79 -6775.00 5.820 92.07 -6675.00 5.591 91.29 -6575.00 5.361 90.45 -6475.00 5.130 89.53 -6375.00 4.899 88.52 -6275.00 4.668 87.41 -6175.00 4.437 86.19 -6075.00 4.206 84.83 -5975.00 3.976 83.31 -5875.00 3.748 81.61 -5775.00 3.522 79.70 -5675.00 3.300 77.51 -5575.00 3.081 75.02 -5475.00 2.868 72.15 -5375.00 2.661 68.83 -5275.00 2.464 64.97 -5175.00 2.280 60.45 -5075.00 2.110 55.18 -4975.00 1.961 49.04 -4875.00 1.836 41.99 -4775.00 1.743 34.04 -4675.00 1.685 25.38 -4575.00 1.667 16.32 -4475.00 1.690 7.29 -4375.00 1.753 358.71 -4275.00 1.850 350.87 -4175.00 1.978 343.93 -4075.00 2.130 337.90 -3975.00 2.300 332.73 -3875.00 2.486 328.29 -3775.00 2.683 324.49 -3675.00 2.888 321.22 -3575.00 3.099 318.39 -3475.00 3.315 315.92 -3375.00 3.533 313.76 -3275.00 3.754 311.84 -3175.00 3.975 310.15 -3075.00 4.196 308.63 -2975.00 4.415 307.26 -2875.00 4.634 306.02 -2775.00 4.849 304.89 -2675.00 5.062 303.86 -2575.00 5.270 302.91 -2475.00 5.475 302.03 -2375.00 5.674 301.22 -2275.00 5.867 300.46 -2175.00 6.053 299.74 -2075.00 6.232 299.07 -1975.00 6.402 298.44 -1875.00 6.563 297.83 -1775.00 6.713 297.26 -1675.00 6.852 296.71 -1575.00 6.978 296.18 -1475.00 7.090 295.67 -1375.00 7.186 295.17 -1275.00 7.265 294.68 -1175.00 7.325 294.21 -1075.00 7.363 293.74 -975.00 7.378 293.27 -875.00 7.368 292.81 -775.00 7.329 292.34 -675.00 7.258 291.86 -575.00 7.154 291.37 -475.00 7.011 290.87 -375.00 6.828 290.34 -275.00 6.601 289.78 -175.00 6.326 289.17 -75.00 6.000 288.51 25.00 5.622 287.76 125.00 5.191 286.89 225.00 4.706 285.86 325.00 4.170 284.57 425.00 3.588 282.88 525.00 2.966 280.50 625.00 2.314 276.81 725.00 1.651 270.18 825.00 1.019 254.98 925.00 0.613 210.00 1025.00 0.876 154.62 1125.00 1.483 134.74 1225.00 2.149 126.78 1325.00 2.819 122.60 1425.00 3.477 120.01 1525.00 4.115 118.24 1625.00 4.731 116.94 1725.00 5.322 115.94 1825.00 5.887 115.13 1925.00 6.427 114.46 2025.00 6.940 113.89 2125.00 7.429 113.40 2225.00 7.893 112.97 2325.00 8.333 112.58 2425.00 8.749 112.24 2525.00 9.143 111.92 2625.00 9.516 111.63 2725.00 9.868 111.36 2825.00 10.200 111.11 2925.00 10.514 110.87 3025.00 10.808 110.65 3125.00 11.086 110.44 3225.00 11.346 110.24 3325.00 11.590 110.04 3425.00 11.819 109.86 3525.00 12.033 109.68 3625.00 12.232 109.51 3725.00 12.418 109.34 3825.00 12.590 109.18 3925.00 12.749 109.02 4025.00 12.896 108.87 4125.00 13.031 108.72 4225.00 13.155 108.57 4325.00 13.267 108.42 4425.00 13.369 108.28 4525.00 13.460 108.14 4625.00 13.542 108.00 4725.00 13.613 107.86 4825.00 13.675 107.73 4925.00 13.728 107.59 5025.00 13.772 107.46 5125.00 13.808 107.33 5225.00 13.835 107.19 5325.00 13.854 107.06 5425.00 13.865 106.93 5525.00 13.868 106.80 5625.00 13.864 106.67 5725.00 13.853 106.53 5825.00 13.835 106.40 5925.00 13.809 106.27 6025.00 13.777 106.14 6125.00 13.739 106.00 6225.00 13.694 105.87 6325.00 13.643 105.73 6425.00 13.585 105.59 6525.00 13.522 105.46 6625.00 13.453 105.32 6725.00 13.379 105.18 6825.00 13.299 105.03 6925.00 13.213 104.89 7025.00 13.123 104.74 7125.00 13.027 104.60 7225.00 12.926 104.45 7325.00 12.820 104.29 7425.00 12.709 104.14 7525.00 12.594 103.98 7625.00 12.474 103.82 7725.00 12.349 103.65 7825.00 12.220 103.49 7925.00 12.087 103.31 8025.00 11.949 103.14 8125.00 11.808 102.96 8225.00 11.662 102.77 8325.00 11.513 102.59 8425.00 11.359 102.39 8525.00 11.202 102.19 8625.00 11.041 101.99 8725.00 10.876 101.78 8825.00 10.708 101.56 8925.00 10.536 101.34 9025.00 10.361 101.10 9125.00 10.183 100.86 9225.00 10.002 100.61 9325.00 9.817 100.36 9425.00 9.629 100.09 9525.00 9.438 99.81 9625.00 9.245 99.52 9725.00 9.048 99.22 9825.00 8.849 98.90 9925.00 8.647 98.57 10025.00 8.442 98.22 10125.00 8.235 97.86 10225.00 8.026 97.47 10325.00 7.814 97.07 10425.00 7.600 96.64 10525.00 7.384 96.19 10625.00 7.166 95.71 10725.00 6.945 95.20 10825.00 6.723 94.66 10925.00 6.500 94.08
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:25:02 |