| WDS: | A651 | WDS ID/Discoverer |
| P: | 1530.000 | Orbital period (years) |
| a: | 1.96 | Semi-major axis (arcseconds) |
| i: | 121.3 | Inclination (degrees) |
| Ω: | 179.3 | Longitude of ascending node (degrees) |
| T: | 1907.000 | Epoch of periastron passage (year) |
| e: | 0.633 | Eccentricity |
| ω: | 319.5 | Longitude of periastron (degrees) |
| Start-Year: | 1260.0 | Year |
| End-Year: | 2790.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A651 |
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| Position: | 004322.78+472618.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00434+4726 | WDS designation |
| Discoverer Code: | A651 | Discover designation and components |
| ADS number: | 601 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.67 | Magnitude of the primary |
| V2: | 10.20 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2000 | 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: | USN2002 | 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 0.893 137.40 -------------------------- 1260.00 2.798 17.51 1270.00 2.803 17.05 1280.00 2.808 16.59 1290.00 2.812 16.13 1300.00 2.814 15.67 1310.00 2.816 15.21 1320.00 2.817 14.75 1330.00 2.816 14.29 1340.00 2.815 13.83 1350.00 2.812 13.37 1360.00 2.808 12.91 1370.00 2.804 12.45 1380.00 2.798 11.99 1390.00 2.791 11.52 1400.00 2.782 11.05 1410.00 2.773 10.58 1420.00 2.762 10.11 1430.00 2.750 9.63 1440.00 2.737 9.15 1450.00 2.722 8.66 1460.00 2.706 8.17 1470.00 2.689 7.67 1480.00 2.670 7.16 1490.00 2.650 6.65 1500.00 2.628 6.12 1510.00 2.605 5.59 1520.00 2.580 5.05 1530.00 2.554 4.50 1540.00 2.526 3.94 1550.00 2.496 3.36 1560.00 2.465 2.77 1570.00 2.431 2.16 1580.00 2.396 1.54 1590.00 2.359 0.90 1600.00 2.320 0.23 1610.00 2.280 359.55 1620.00 2.236 358.83 1630.00 2.191 358.09 1640.00 2.144 357.32 1650.00 2.094 356.51 1660.00 2.042 355.66 1670.00 1.987 354.76 1680.00 1.929 353.81 1690.00 1.869 352.80 1700.00 1.806 351.73 1710.00 1.740 350.57 1720.00 1.671 349.32 1730.00 1.599 347.96 1740.00 1.524 346.47 1750.00 1.445 344.82 1760.00 1.362 342.97 1770.00 1.276 340.88 1780.00 1.187 338.49 1790.00 1.094 335.69 1800.00 0.999 332.36 1810.00 0.900 328.32 1820.00 0.801 323.28 1830.00 0.701 316.80 1840.00 0.607 308.24 1850.00 0.522 296.70 1860.00 0.458 281.34 1870.00 0.426 262.41 1880.00 0.435 242.47 1890.00 0.480 224.90 1900.00 0.547 211.00 1910.00 0.620 200.29 1920.00 0.690 191.81 1930.00 0.749 184.80 1940.00 0.797 178.73 1950.00 0.833 173.27 1960.00 0.858 168.19 1970.00 0.875 163.35 1980.00 0.885 158.66 1990.00 0.890 154.05 2000.00 0.893 149.48 2010.00 0.893 144.92 2020.00 0.893 140.36 2030.00 0.893 135.80 2040.00 0.894 131.25 2050.00 0.897 126.72 2060.00 0.902 122.23 2070.00 0.909 117.80 2080.00 0.919 113.44 2090.00 0.931 109.19 2100.00 0.946 105.07 2110.00 0.964 101.08 2120.00 0.984 97.24 2130.00 1.006 93.56 2140.00 1.031 90.06 2150.00 1.057 86.72 2160.00 1.085 83.55 2170.00 1.115 80.55 2180.00 1.147 77.70 2190.00 1.179 75.01 2200.00 1.213 72.47 2210.00 1.248 70.07 2220.00 1.283 67.80 2230.00 1.319 65.65 2240.00 1.356 63.62 2250.00 1.393 61.70 2260.00 1.430 59.87 2270.00 1.468 58.14 2280.00 1.505 56.49 2290.00 1.543 54.93 2300.00 1.581 53.44 2310.00 1.618 52.02 2320.00 1.656 50.66 2330.00 1.693 49.36 2340.00 1.730 48.12 2350.00 1.767 46.93 2360.00 1.804 45.79 2370.00 1.840 44.70 2380.00 1.875 43.64 2390.00 1.911 42.63 2400.00 1.946 41.65 2410.00 1.980 40.71 2420.00 2.014 39.80 2430.00 2.047 38.92 2440.00 2.080 38.06 2450.00 2.113 37.24 2460.00 2.145 36.43 2470.00 2.176 35.65 2480.00 2.206 34.90 2490.00 2.236 34.16 2500.00 2.266 33.44 2510.00 2.295 32.74 2520.00 2.323 32.06 2530.00 2.350 31.40 2540.00 2.377 30.74 2550.00 2.403 30.11 2560.00 2.428 29.49 2570.00 2.453 28.87 2580.00 2.477 28.28 2590.00 2.500 27.69 2600.00 2.523 27.11 2610.00 2.545 26.55 2620.00 2.566 25.99 2630.00 2.586 25.44 2640.00 2.606 24.90 2650.00 2.624 24.37 2660.00 2.642 23.85 2670.00 2.659 23.33 2680.00 2.676 22.82 2690.00 2.691 22.31 2700.00 2.706 21.82 2710.00 2.719 21.32 2720.00 2.732 20.83 2730.00 2.744 20.35 2740.00 2.756 19.87 2750.00 2.766 19.39 2760.00 2.775 18.92 2770.00 2.784 18.45 2780.00 2.791 17.98
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 14:42:22 |