| WDS: | STF227 | WDS ID/Discoverer |
| P: | 5172.500 | Orbital period (years) |
| a: | 7.037 | Semi-major axis (arcseconds) |
| i: | 110.3 | Inclination (degrees) |
| Ω: | 158.8 | Longitude of ascending node (degrees) |
| T: | 4960.300 | Epoch of periastron passage (year) |
| e: | 0.63 | Eccentricity |
| ω: | 277.5 | Longitude of periastron (degrees) |
| Start-Year: | -561.25 | Year |
| End-Year: | 4611.25 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF227 |
||
| Position: | 021222.28+301811.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02124+3018 | WDS designation |
| Discoverer Code: | STF227 | Discover designation and components |
| ADS number: | 1697 | Aitken Double Star catalog |
| HD number: | 13480 | HD catalog number |
| Hipparcos number: | 10280 | Hipparcos catalog number |
| V1: | 5.26 | Magnitude of the primary |
| V2: | 6.67 | Magnitude of the secondary |
| Equinox: | 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: | FMR2020c | 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 3.928 67.74 -------------------------- -561.25 4.368 337.18 -551.25 4.290 336.69 -541.25 4.210 336.17 -531.25 4.127 335.64 -521.25 4.042 335.08 -511.25 3.954 334.50 -501.25 3.864 333.89 -491.25 3.770 333.26 -481.25 3.674 332.59 -471.25 3.575 331.88 -461.25 3.473 331.13 -451.25 3.369 330.34 -441.25 3.261 329.49 -431.25 3.150 328.59 -421.25 3.037 327.62 -411.25 2.920 326.57 -401.25 2.801 325.44 -391.25 2.679 324.20 -381.25 2.554 322.84 -371.25 2.426 321.34 -361.25 2.297 319.68 -351.25 2.165 317.81 -341.25 2.032 315.70 -331.25 1.898 313.29 -321.25 1.764 310.52 -311.25 1.631 307.29 -301.25 1.501 303.50 -291.25 1.374 298.99 -281.25 1.255 293.60 -271.25 1.145 287.13 -261.25 1.050 279.39 -251.25 0.975 270.29 -241.25 0.926 259.95 -231.25 0.906 248.81 -221.25 0.919 237.60 -211.25 0.963 227.06 -201.25 1.034 217.70 -191.25 1.125 209.69 -181.25 1.231 202.98 -171.25 1.349 197.38 -161.25 1.473 192.70 -151.25 1.601 188.76 -141.25 1.732 185.41 -131.25 1.863 182.54 -121.25 1.994 180.04 -111.25 2.124 177.84 -101.25 2.251 175.90 -91.25 2.376 174.16 -81.25 2.498 172.60 -71.25 2.616 171.18 -61.25 2.732 169.88 -51.25 2.843 168.69 -41.25 2.952 167.58 -31.25 3.056 166.55 -21.25 3.157 165.59 -11.25 3.254 164.68 -1.25 3.348 163.83 8.75 3.438 163.03 18.75 3.525 162.26 28.75 3.608 161.53 38.75 3.688 160.83 48.75 3.765 160.16 58.75 3.839 159.52 68.75 3.910 158.90 78.75 3.978 158.31 88.75 4.043 157.73 98.75 4.105 157.17 108.75 4.164 156.63 118.75 4.221 156.10 128.75 4.276 155.58 138.75 4.328 155.08 148.75 4.378 154.59 158.75 4.426 154.11 168.75 4.471 153.64 178.75 4.515 153.18 188.75 4.556 152.73 198.75 4.596 152.29 208.75 4.633 151.85 218.75 4.669 151.42 228.75 4.703 151.00 238.75 4.736 150.58 248.75 4.767 150.17 258.75 4.796 149.77 268.75 4.824 149.36 278.75 4.850 148.97 288.75 4.875 148.58 298.75 4.899 148.19 308.75 4.921 147.80 318.75 4.942 147.42 328.75 4.962 147.04 338.75 4.981 146.67 348.75 4.998 146.29 358.75 5.014 145.92 368.75 5.030 145.55 378.75 5.044 145.19 388.75 5.057 144.82 398.75 5.069 144.46 408.75 5.080 144.10 418.75 5.091 143.74 428.75 5.100 143.38 438.75 5.109 143.03 448.75 5.117 142.67 458.75 5.124 142.32 468.75 5.130 141.96 478.75 5.135 141.61 488.75 5.140 141.26 498.75 5.144 140.91 508.75 5.147 140.56 518.75 5.150 140.21 528.75 5.152 139.86 538.75 5.153 139.51 548.75 5.154 139.16 558.75 5.154 138.81 568.75 5.153 138.46 578.75 5.152 138.11 588.75 5.151 137.76 598.75 5.149 137.41 608.75 5.146 137.06 618.75 5.143 136.71 628.75 5.140 136.36 638.75 5.136 136.01 648.75 5.131 135.65 658.75 5.126 135.30 668.75 5.121 134.95 678.75 5.115 134.59 688.75 5.109 134.24 698.75 5.103 133.88 708.75 5.096 133.52 718.75 5.089 133.17 728.75 5.081 132.81 738.75 5.073 132.45 748.75 5.065 132.08 758.75 5.056 131.72 768.75 5.048 131.36 778.75 5.038 130.99 788.75 5.029 130.63 798.75 5.019 130.26 808.75 5.009 129.89 818.75 4.999 129.52 828.75 4.989 129.15 838.75 4.978 128.77 848.75 4.967 128.40 858.75 4.956 128.02 868.75 4.945 127.64 878.75 4.933 127.26 888.75 4.922 126.88 898.75 4.910 126.49 908.75 4.898 126.11 918.75 4.885 125.72 928.75 4.873 125.33 938.75 4.861 124.94 948.75 4.848 124.54 958.75 4.835 124.15 968.75 4.822 123.75 978.75 4.809 123.35 988.75 4.796 122.95 998.75 4.783 122.54 1008.75 4.770 122.13 1018.75 4.756 121.72 1028.75 4.743 121.31 1038.75 4.729 120.90 1048.75 4.715 120.48 1058.75 4.702 120.06 1068.75 4.688 119.64 1078.75 4.674 119.22 1088.75 4.660 118.79 1098.75 4.646 118.36 1108.75 4.633 117.93 1118.75 4.619 117.50 1128.75 4.605 117.06 1138.75 4.591 116.62 1148.75 4.577 116.18 1158.75 4.563 115.74 1168.75 4.549 115.29 1178.75 4.535 114.84 1188.75 4.521 114.38 1198.75 4.507 113.93 1208.75 4.493 113.47 1218.75 4.480 113.01 1228.75 4.466 112.55 1238.75 4.452 112.08 1248.75 4.438 111.61 1258.75 4.425 111.14 1268.75 4.411 110.66 1278.75 4.398 110.18 1288.75 4.385 109.70 1298.75 4.371 109.21 1308.75 4.358 108.73 1318.75 4.345 108.24 1328.75 4.332 107.74 1338.75 4.319 107.25 1348.75 4.306 106.75 1358.75 4.294 106.25 1368.75 4.281 105.74 1378.75 4.269 105.23 1388.75 4.256 104.72 1398.75 4.244 104.21 1408.75 4.232 103.69 1418.75 4.220 103.17 1428.75 4.209 102.65 1438.75 4.197 102.12 1448.75 4.186 101.59 1458.75 4.175 101.06 1468.75 4.164 100.53 1478.75 4.153 99.99 1488.75 4.142 99.45 1498.75 4.131 98.91 1508.75 4.121 98.36 1518.75 4.111 97.82 1528.75 4.101 97.26 1538.75 4.091 96.71 1548.75 4.082 96.16 1558.75 4.073 95.60 1568.75 4.064 95.04 1578.75 4.055 94.47 1588.75 4.046 93.91 1598.75 4.038 93.34 1608.75 4.029 92.77 1618.75 4.021 92.19 1628.75 4.014 91.62 1638.75 4.006 91.04 1648.75 3.999 90.46 1658.75 3.992 89.88 1668.75 3.985 89.30 1678.75 3.979 88.71 1688.75 3.973 88.12 1698.75 3.967 87.53 1708.75 3.961 86.94 1718.75 3.955 86.35 1728.75 3.950 85.76 1738.75 3.945 85.16 1748.75 3.941 84.56 1758.75 3.936 83.96 1768.75 3.932 83.36 1778.75 3.929 82.76 1788.75 3.925 82.16 1798.75 3.922 81.56 1808.75 3.919 80.95 1818.75 3.916 80.35 1828.75 3.914 79.74 1838.75 3.912 79.14 1848.75 3.910 78.53 1858.75 3.909 77.92 1868.75 3.908 77.31 1878.75 3.907 76.70 1888.75 3.906 76.10 1898.75 3.906 75.49 1908.75 3.906 74.88 1918.75 3.906 74.27 1928.75 3.907 73.66 1938.75 3.908 73.05 1948.75 3.909 72.45 1958.75 3.910 71.84 1968.75 3.912 71.23 1978.75 3.914 70.62 1988.75 3.917 70.02 1998.75 3.919 69.41 2008.75 3.922 68.81 2018.75 3.926 68.21 2028.75 3.929 67.60 2038.75 3.933 67.00 2048.75 3.937 66.40 2058.75 3.942 65.81 2068.75 3.946 65.21 2078.75 3.951 64.61 2088.75 3.957 64.02 2098.75 3.962 63.43 2108.75 3.968 62.84 2118.75 3.974 62.25 2128.75 3.981 61.66 2138.75 3.988 61.08 2148.75 3.995 60.49 2158.75 4.002 59.91 2168.75 4.009 59.33 2178.75 4.017 58.76 2188.75 4.025 58.18 2198.75 4.034 57.61 2208.75 4.042 57.04 2218.75 4.051 56.47 2228.75 4.060 55.91 2238.75 4.070 55.35 2248.75 4.079 54.79 2258.75 4.089 54.23 2268.75 4.099 53.68 2278.75 4.110 53.13 2288.75 4.120 52.58 2298.75 4.131 52.03 2308.75 4.142 51.49 2318.75 4.153 50.95 2328.75 4.165 50.41 2338.75 4.177 49.88 2348.75 4.189 49.35 2358.75 4.201 48.82 2368.75 4.213 48.30 2378.75 4.226 47.77 2388.75 4.239 47.26 2398.75 4.252 46.74 2408.75 4.265 46.23 2418.75 4.278 45.72 2428.75 4.292 45.21 2438.75 4.306 44.71 2448.75 4.320 44.21 2458.75 4.334 43.72 2468.75 4.348 43.22 2478.75 4.362 42.73 2488.75 4.377 42.25 2498.75 4.392 41.76 2508.75 4.407 41.29 2518.75 4.422 40.81 2528.75 4.437 40.34 2538.75 4.453 39.87 2548.75 4.468 39.40 2558.75 4.484 38.94 2568.75 4.500 38.47 2578.75 4.516 38.02 2588.75 4.532 37.56 2598.75 4.548 37.11 2608.75 4.564 36.67 2618.75 4.581 36.22 2628.75 4.597 35.78 2638.75 4.614 35.34 2648.75 4.631 34.91 2658.75 4.648 34.48 2668.75 4.665 34.05 2678.75 4.682 33.62 2688.75 4.699 33.20 2698.75 4.716 32.78 2708.75 4.734 32.37 2718.75 4.751 31.95 2728.75 4.769 31.54 2738.75 4.786 31.14 2748.75 4.804 30.73 2758.75 4.822 30.33 2768.75 4.839 29.93 2778.75 4.857 29.54 2788.75 4.875 29.15 2798.75 4.893 28.76 2808.75 4.911 28.37 2818.75 4.929 27.99 2828.75 4.947 27.61 2838.75 4.965 27.23 2848.75 4.984 26.85 2858.75 5.002 26.48 2868.75 5.020 26.11 2878.75 5.038 25.74 2888.75 5.056 25.38 2898.75 5.075 25.02 2908.75 5.093 24.66 2918.75 5.111 24.30 2928.75 5.130 23.95 2938.75 5.148 23.60 2948.75 5.166 23.25 2958.75 5.184 22.90 2968.75 5.203 22.56 2978.75 5.221 22.21 2988.75 5.239 21.88 2998.75 5.257 21.54 3008.75 5.276 21.20 3018.75 5.294 20.87 3028.75 5.312 20.54 3038.75 5.330 20.21 3048.75 5.348 19.89 3058.75 5.366 19.56 3068.75 5.384 19.24 3078.75 5.402 18.92 3088.75 5.420 18.61 3098.75 5.438 18.29 3108.75 5.456 17.98 3118.75 5.473 17.67 3128.75 5.491 17.36 3138.75 5.508 17.05 3148.75 5.526 16.75 3158.75 5.543 16.44 3168.75 5.561 16.14 3178.75 5.578 15.84 3188.75 5.595 15.54 3198.75 5.612 15.25 3208.75 5.629 14.95 3218.75 5.646 14.66 3228.75 5.663 14.37 3238.75 5.680 14.08 3248.75 5.696 13.80 3258.75 5.713 13.51 3268.75 5.729 13.23 3278.75 5.746 12.95 3288.75 5.762 12.66 3298.75 5.778 12.39 3308.75 5.794 12.11 3318.75 5.809 11.83 3328.75 5.825 11.56 3338.75 5.840 11.28 3348.75 5.856 11.01 3358.75 5.871 10.74 3368.75 5.886 10.47 3378.75 5.901 10.21 3388.75 5.916 9.94 3398.75 5.930 9.68 3408.75 5.945 9.41 3418.75 5.959 9.15 3428.75 5.973 8.89 3438.75 5.987 8.63 3448.75 6.000 8.37 3458.75 6.014 8.11 3468.75 6.027 7.86 3478.75 6.040 7.60 3488.75 6.053 7.35 3498.75 6.066 7.10 3508.75 6.078 6.84 3518.75 6.091 6.59 3528.75 6.103 6.34 3538.75 6.115 6.10 3548.75 6.126 5.85 3558.75 6.138 5.60 3568.75 6.149 5.35 3578.75 6.160 5.11 3588.75 6.171 4.86 3598.75 6.181 4.62 3608.75 6.191 4.38 3618.75 6.201 4.14 3628.75 6.211 3.90 3638.75 6.220 3.66 3648.75 6.229 3.42 3658.75 6.238 3.18 3668.75 6.247 2.94 3678.75 6.255 2.70 3688.75 6.263 2.46 3698.75 6.271 2.23 3708.75 6.278 1.99 3718.75 6.285 1.76 3728.75 6.292 1.52 3738.75 6.298 1.29 3748.75 6.304 1.05 3758.75 6.310 0.82 3768.75 6.315 0.59 3778.75 6.320 0.35 3788.75 6.325 0.12 3798.75 6.329 359.89 3808.75 6.333 359.66 3818.75 6.337 359.43 3828.75 6.340 359.20 3838.75 6.343 358.96 3848.75 6.345 358.73 3858.75 6.347 358.50 3868.75 6.349 358.27 3878.75 6.350 358.04 3888.75 6.351 357.81 3898.75 6.351 357.58 3908.75 6.351 357.35 3918.75 6.350 357.12 3928.75 6.349 356.89 3938.75 6.348 356.66 3948.75 6.346 356.43 3958.75 6.343 356.20 3968.75 6.340 355.97 3978.75 6.337 355.74 3988.75 6.333 355.51 3998.75 6.328 355.27 4008.75 6.323 355.04 4018.75 6.318 354.81 4028.75 6.311 354.58 4038.75 6.305 354.34 4048.75 6.297 354.11 4058.75 6.289 353.88 4068.75 6.281 353.64 4078.75 6.272 353.41 4088.75 6.262 353.17 4098.75 6.252 352.93 4108.75 6.240 352.69 4118.75 6.229 352.45 4128.75 6.216 352.21 4138.75 6.203 351.97 4148.75 6.189 351.73 4158.75 6.175 351.49 4168.75 6.159 351.24 4178.75 6.143 351.00 4188.75 6.126 350.75 4198.75 6.109 350.50 4208.75 6.090 350.25 4218.75 6.071 350.00 4228.75 6.051 349.75 4238.75 6.030 349.50 4248.75 6.008 349.24 4258.75 5.985 348.98 4268.75 5.961 348.72 4278.75 5.936 348.46 4288.75 5.911 348.19 4298.75 5.884 347.93 4308.75 5.856 347.66 4318.75 5.827 347.39 4328.75 5.798 347.11 4338.75 5.767 346.83 4348.75 5.735 346.55 4358.75 5.701 346.27 4368.75 5.667 345.98 4378.75 5.631 345.69 4388.75 5.594 345.40 4398.75 5.556 345.10 4408.75 5.517 344.79 4418.75 5.476 344.49 4428.75 5.434 344.17 4438.75 5.390 343.86 4448.75 5.345 343.54 4458.75 5.298 343.21 4468.75 5.250 342.87 4478.75 5.200 342.53 4488.75 5.149 342.19 4498.75 5.096 341.83 4508.75 5.041 341.47 4518.75 4.985 341.10 4528.75 4.926 340.72 4538.75 4.866 340.34 4548.75 4.804 339.94 4558.75 4.740 339.53 4568.75 4.674 339.11 4578.75 4.605 338.68 4588.75 4.535 338.24 4598.75 4.462 337.78 4608.75 4.387 337.30
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 14:57:37 |