| WDS: | BU787AB | WDS ID/Discoverer |
| P: | 1789.061 | Orbital period (years) |
| a: | 13.62295 | Semi-major axis (arcseconds) |
| i: | 76.999 | Inclination (degrees) |
| Ω: | 153.189 | Longitude of ascending node (degrees) |
| T: | 1762.567 | Epoch of periastron passage (year) |
| e: | 0.83271 | Eccentricity |
| ω: | 314.554 | Longitude of periastron (degrees) |
| Start-Year: | 1130.4696 | Year |
| End-Year: | 2919.5304 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU787AB |
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| Position: | 033412.97+483702.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03342+4837 | WDS designation |
| Discoverer Code: | BU787AB | Discover designation and components |
| ADS number: | 2609 | Aitken Double Star catalog |
| HD number: | 21931 | HD catalog number |
| Hipparcos number: | 16649 | Hipparcos catalog number |
| V1: | 7.38 | Magnitude of the primary |
| V2: | 11.9 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | 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 |
-- 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 5.497 295.33 -------------------------- 1130.47 19.182 323.78 1140.47 19.173 323.90 1150.47 19.159 324.03 1160.47 19.140 324.16 1170.47 19.117 324.28 1180.47 19.089 324.41 1190.47 19.056 324.54 1200.47 19.018 324.67 1210.47 18.975 324.80 1220.47 18.926 324.93 1230.47 18.873 325.06 1240.47 18.814 325.19 1250.47 18.750 325.32 1260.47 18.680 325.45 1270.47 18.605 325.59 1280.47 18.524 325.72 1290.47 18.437 325.86 1300.47 18.344 325.99 1310.47 18.244 326.13 1320.47 18.139 326.27 1330.47 18.026 326.42 1340.47 17.908 326.56 1350.47 17.782 326.71 1360.47 17.649 326.85 1370.47 17.509 327.01 1380.47 17.362 327.16 1390.47 17.207 327.31 1400.47 17.044 327.47 1410.47 16.873 327.63 1420.47 16.693 327.80 1430.47 16.505 327.97 1440.47 16.307 328.14 1450.47 16.101 328.32 1460.47 15.884 328.50 1470.47 15.657 328.69 1480.47 15.420 328.88 1490.47 15.171 329.08 1500.47 14.911 329.28 1510.47 14.639 329.50 1520.47 14.353 329.72 1530.47 14.055 329.95 1540.47 13.742 330.19 1550.47 13.414 330.44 1560.47 13.070 330.71 1570.47 12.709 330.99 1580.47 12.330 331.28 1590.47 11.931 331.60 1600.47 11.511 331.94 1610.47 11.069 332.30 1620.47 10.601 332.70 1630.47 10.106 333.13 1640.47 9.582 333.61 1650.47 9.024 334.15 1660.47 8.429 334.76 1670.47 7.792 335.47 1680.47 7.107 336.31 1690.47 6.367 337.34 1700.47 5.563 338.65 1710.47 4.682 340.43 1720.47 3.712 343.09 1730.47 2.639 347.82 1740.47 1.474 359.73 1750.47 0.588 66.18 1760.47 1.416 136.12 1770.47 2.347 149.67 1780.47 2.854 156.44 1790.47 3.038 161.73 1800.47 3.038 166.73 1810.47 2.943 171.92 1820.47 2.800 177.55 1830.47 2.640 183.84 1840.47 2.485 190.94 1850.47 2.349 198.92 1860.47 2.249 207.75 1870.47 2.193 217.22 1880.47 2.189 226.95 1890.47 2.240 236.48 1900.47 2.341 245.38 1910.47 2.488 253.39 1920.47 2.671 260.41 1930.47 2.883 266.46 1940.47 3.117 271.64 1950.47 3.368 276.07 1960.47 3.632 279.88 1970.47 3.904 283.16 1980.47 4.182 286.01 1990.47 4.464 288.50 2000.47 4.750 290.70 2010.47 5.036 292.64 2020.47 5.323 294.38 2030.47 5.610 295.93 2040.47 5.897 297.34 2050.47 6.182 298.61 2060.47 6.465 299.78 2070.47 6.747 300.84 2080.47 7.027 301.83 2090.47 7.304 302.73 2100.47 7.579 303.57 2110.47 7.851 304.35 2120.47 8.120 305.08 2130.47 8.387 305.77 2140.47 8.651 306.41 2150.47 8.912 307.01 2160.47 9.170 307.58 2170.47 9.425 308.12 2180.47 9.676 308.63 2190.47 9.925 309.11 2200.47 10.171 309.57 2210.47 10.413 310.01 2220.47 10.652 310.43 2230.47 10.889 310.83 2240.47 11.122 311.22 2250.47 11.352 311.59 2260.47 11.578 311.94 2270.47 11.802 312.28 2280.47 12.022 312.61 2290.47 12.239 312.92 2300.47 12.453 313.23 2310.47 12.664 313.52 2320.47 12.871 313.81 2330.47 13.076 314.09 2340.47 13.277 314.35 2350.47 13.475 314.61 2360.47 13.669 314.87 2370.47 13.861 315.11 2380.47 14.049 315.35 2390.47 14.234 315.58 2400.47 14.416 315.81 2410.47 14.595 316.03 2420.47 14.770 316.25 2430.47 14.943 316.46 2440.47 15.112 316.66 2450.47 15.278 316.87 2460.47 15.440 317.06 2470.47 15.599 317.26 2480.47 15.756 317.45 2490.47 15.908 317.63 2500.47 16.058 317.81 2510.47 16.204 317.99 2520.47 16.347 318.17 2530.47 16.487 318.34 2540.47 16.624 318.51 2550.47 16.757 318.68 2560.47 16.887 318.84 2570.47 17.013 319.00 2580.47 17.136 319.16 2590.47 17.256 319.32 2600.47 17.373 319.47 2610.47 17.486 319.63 2620.47 17.595 319.78 2630.47 17.702 319.93 2640.47 17.804 320.08 2650.47 17.904 320.22 2660.47 18.000 320.37 2670.47 18.092 320.51 2680.47 18.181 320.65 2690.47 18.266 320.79 2700.47 18.348 320.93 2710.47 18.426 321.07 2720.47 18.501 321.20 2730.47 18.572 321.34 2740.47 18.639 321.47 2750.47 18.703 321.61 2760.47 18.763 321.74 2770.47 18.819 321.87 2780.47 18.871 322.00 2790.47 18.919 322.13 2800.47 18.964 322.26 2810.47 19.005 322.39 2820.47 19.041 322.52 2830.47 19.074 322.65 2840.47 19.103 322.78 2850.47 19.128 322.90 2860.47 19.148 323.03 2870.47 19.164 323.16 2880.47 19.177 323.28 2890.47 19.184 323.41 2900.47 19.188 323.54 2910.47 19.187 323.66
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:12:24 |