| WDS: | STF1789 | WDS ID/Discoverer |
| P: | 2449.000 | Orbital period (years) |
| a: | 3.6 | Semi-major axis (arcseconds) |
| i: | 30.0 | Inclination (degrees) |
| Ω: | 148.0 | Longitude of ascending node (degrees) |
| T: | 1311.000 | Epoch of periastron passage (year) |
| e: | 0.93 | Eccentricity |
| ω: | 5.0 | Longitude of periastron (degrees) |
| Start-Year: | 800.5 | Year |
| End-Year: | 3249.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF1789 |
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| Position: | 135405.19+324935.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 13540+3249 | WDS designation |
| Discoverer Code: | STF1789 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 121298 | HD catalog number |
| Hipparcos number: | 63871 | Hipparcos catalog number |
| V1: | 8.63 | Magnitude of the primary |
| V2: | 8.97 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 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: | Kiy2020 | 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 6.150 325.40 -------------------------- 800.50 5.255 343.14 810.50 5.204 343.36 820.50 5.151 343.59 830.50 5.098 343.82 840.50 5.043 344.05 850.50 4.987 344.29 860.50 4.930 344.54 870.50 4.872 344.79 880.50 4.813 345.05 890.50 4.753 345.32 900.50 4.691 345.59 910.50 4.629 345.87 920.50 4.565 346.15 930.50 4.500 346.45 940.50 4.433 346.75 950.50 4.365 347.07 960.50 4.296 347.39 970.50 4.225 347.72 980.50 4.153 348.07 990.50 4.079 348.43 1000.50 4.004 348.80 1010.50 3.927 349.18 1020.50 3.848 349.59 1030.50 3.768 350.00 1040.50 3.685 350.44 1050.50 3.601 350.90 1060.50 3.515 351.38 1070.50 3.427 351.88 1080.50 3.337 352.41 1090.50 3.244 352.97 1100.50 3.150 353.56 1110.50 3.052 354.19 1120.50 2.952 354.87 1130.50 2.850 355.59 1140.50 2.744 356.36 1150.50 2.636 357.20 1160.50 2.524 358.11 1170.50 2.408 359.11 1180.50 2.288 0.21 1190.50 2.165 1.43 1200.50 2.037 2.81 1210.50 1.903 4.37 1220.50 1.765 6.18 1230.50 1.619 8.30 1240.50 1.467 10.85 1250.50 1.307 14.01 1260.50 1.138 18.08 1270.50 0.959 23.62 1280.50 0.767 31.85 1290.50 0.565 45.82 1300.50 0.366 75.47 1310.50 0.253 147.56 1320.50 0.343 227.07 1330.50 0.551 259.53 1340.50 0.764 273.89 1350.50 0.963 282.11 1360.50 1.149 287.57 1370.50 1.323 291.56 1380.50 1.488 294.63 1390.50 1.643 297.11 1400.50 1.791 299.17 1410.50 1.933 300.92 1420.50 2.068 302.44 1430.50 2.198 303.77 1440.50 2.324 304.96 1450.50 2.445 306.03 1460.50 2.562 306.99 1470.50 2.675 307.88 1480.50 2.785 308.69 1490.50 2.891 309.45 1500.50 2.995 310.15 1510.50 3.095 310.80 1520.50 3.193 311.41 1530.50 3.289 311.99 1540.50 3.382 312.54 1550.50 3.472 313.05 1560.50 3.561 313.54 1570.50 3.647 314.01 1580.50 3.732 314.45 1590.50 3.814 314.88 1600.50 3.895 315.29 1610.50 3.974 315.68 1620.50 4.051 316.06 1630.50 4.126 316.42 1640.50 4.200 316.77 1650.50 4.272 317.11 1660.50 4.343 317.43 1670.50 4.412 317.75 1680.50 4.480 318.06 1690.50 4.546 318.36 1700.50 4.611 318.65 1710.50 4.675 318.93 1720.50 4.738 319.20 1730.50 4.799 319.47 1740.50 4.859 319.73 1750.50 4.918 319.98 1760.50 4.976 320.23 1770.50 5.032 320.47 1780.50 5.088 320.71 1790.50 5.142 320.94 1800.50 5.195 321.17 1810.50 5.248 321.39 1820.50 5.299 321.61 1830.50 5.349 321.82 1840.50 5.398 322.03 1850.50 5.446 322.24 1860.50 5.494 322.44 1870.50 5.540 322.64 1880.50 5.585 322.83 1890.50 5.630 323.03 1900.50 5.673 323.22 1910.50 5.716 323.40 1920.50 5.758 323.59 1930.50 5.799 323.77 1940.50 5.839 323.95 1950.50 5.878 324.13 1960.50 5.917 324.30 1970.50 5.954 324.47 1980.50 5.991 324.64 1990.50 6.027 324.81 2000.50 6.062 324.98 2010.50 6.097 325.14 2020.50 6.130 325.30 2030.50 6.163 325.46 2040.50 6.195 325.62 2050.50 6.227 325.78 2060.50 6.257 325.94 2070.50 6.287 326.09 2080.50 6.316 326.24 2090.50 6.345 326.39 2100.50 6.372 326.54 2110.50 6.399 326.69 2120.50 6.425 326.84 2130.50 6.451 326.99 2140.50 6.476 327.13 2150.50 6.500 327.28 2160.50 6.524 327.42 2170.50 6.546 327.56 2180.50 6.568 327.70 2190.50 6.590 327.84 2200.50 6.611 327.98 2210.50 6.631 328.12 2220.50 6.650 328.26 2230.50 6.669 328.39 2240.50 6.687 328.53 2250.50 6.705 328.66 2260.50 6.722 328.80 2270.50 6.738 328.93 2280.50 6.754 329.07 2290.50 6.768 329.20 2300.50 6.783 329.33 2310.50 6.796 329.46 2320.50 6.810 329.59 2330.50 6.822 329.72 2340.50 6.834 329.85 2350.50 6.845 329.98 2360.50 6.855 330.11 2370.50 6.865 330.24 2380.50 6.875 330.37 2390.50 6.883 330.50 2400.50 6.892 330.63 2410.50 6.899 330.75 2420.50 6.906 330.88 2430.50 6.912 331.01 2440.50 6.918 331.13 2450.50 6.923 331.26 2460.50 6.927 331.39 2470.50 6.931 331.51 2480.50 6.934 331.64 2490.50 6.937 331.77 2500.50 6.939 331.89 2510.50 6.940 332.02 2520.50 6.941 332.14 2530.50 6.942 332.27 2540.50 6.941 332.40 2550.50 6.940 332.52 2560.50 6.939 332.65 2570.50 6.936 332.77 2580.50 6.934 332.90 2590.50 6.930 333.03 2600.50 6.926 333.15 2610.50 6.922 333.28 2620.50 6.916 333.41 2630.50 6.911 333.53 2640.50 6.904 333.66 2650.50 6.897 333.79 2660.50 6.889 333.91 2670.50 6.881 334.04 2680.50 6.872 334.17 2690.50 6.863 334.30 2700.50 6.853 334.43 2710.50 6.842 334.56 2720.50 6.831 334.69 2730.50 6.819 334.82 2740.50 6.806 334.95 2750.50 6.793 335.08 2760.50 6.779 335.21 2770.50 6.765 335.34 2780.50 6.750 335.48 2790.50 6.734 335.61 2800.50 6.718 335.74 2810.50 6.701 335.88 2820.50 6.683 336.01 2830.50 6.665 336.15 2840.50 6.646 336.29 2850.50 6.627 336.42 2860.50 6.607 336.56 2870.50 6.586 336.70 2880.50 6.564 336.84 2890.50 6.542 336.98 2900.50 6.519 337.13 2910.50 6.496 337.27 2920.50 6.471 337.41 2930.50 6.447 337.56 2940.50 6.421 337.70 2950.50 6.395 337.85 2960.50 6.368 338.00 2970.50 6.340 338.15 2980.50 6.312 338.30 2990.50 6.283 338.46 3000.50 6.253 338.61 3010.50 6.222 338.77 3020.50 6.191 338.92 3030.50 6.159 339.08 3040.50 6.126 339.24 3050.50 6.093 339.41 3060.50 6.059 339.57 3070.50 6.024 339.74 3080.50 5.988 339.90 3090.50 5.951 340.07 3100.50 5.914 340.25 3110.50 5.876 340.42 3120.50 5.837 340.60 3130.50 5.797 340.78 3140.50 5.756 340.96 3150.50 5.715 341.14 3160.50 5.672 341.33 3170.50 5.629 341.52 3180.50 5.585 341.71 3190.50 5.540 341.91 3200.50 5.494 342.11 3210.50 5.447 342.31 3220.50 5.399 342.52 3230.50 5.351 342.73 3240.50 5.301 342.94
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:00:09 |