| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:00:19 |
| WDS: | STF531 | WDS ID/Discoverer |
| P: | 1107.566 | Orbital period (years) |
| a: | 1.63387 | Semi-major axis (arcseconds) |
| i: | 74.344 | Inclination (degrees) |
| Ω: | 112.911 | Longitude of ascending node (degrees) |
| T: | 1781.295 | Epoch of periastron passage (year) |
| e: | 0.64644 | Eccentricity |
| ω: | 101.967 | Longitude of periastron (degrees) |
| Start-Year: | 1472.0 | Year |
| End-Year: | 2578.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 042646.23+553837.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04268+5539 | WDS designation |
| Discoverer Code: | STF531 | Discover designation and components |
| ADS number: | 3207 | Aitken Double Star catalog |
| HD number: | 27856 | HD catalog number |
| Hipparcos number: | 20748 | Hipparcos catalog number |
| V1: | 7.69 | Magnitude of the primary |
| V2: | 8.76 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2014 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.923 326.7 ------------------------- 1472.0 1.465 93.1 1482.0 1.478 93.9 1492.0 1.490 94.7 1502.0 1.501 95.5 1512.0 1.509 96.3 1522.0 1.516 97.1 1532.0 1.521 97.8 1542.0 1.524 98.6 1552.0 1.524 99.4 1562.0 1.522 100.1 1572.0 1.517 100.9 1582.0 1.510 101.7 1592.0 1.499 102.5 1602.0 1.485 103.3 1612.0 1.467 104.1 1622.0 1.445 105.0 1632.0 1.419 105.8 1642.0 1.387 106.7 1652.0 1.350 107.7 1662.0 1.307 108.7 1672.0 1.256 109.8 1682.0 1.198 111.0 1692.0 1.131 112.3 1702.0 1.053 113.8 1712.0 0.964 115.5 1722.0 0.861 117.7 1732.0 0.743 120.5 1742.0 0.609 124.4 1752.0 0.459 130.8 1762.0 0.300 143.8 1772.0 0.171 180.9 1782.0 0.202 244.3 1792.0 0.348 270.2 1802.0 0.500 280.4 1812.0 0.633 286.0 1822.0 0.743 289.8 1832.0 0.831 292.7 1842.0 0.901 295.0 1852.0 0.955 297.1 1862.0 0.997 299.0 1872.0 1.028 300.7 1882.0 1.050 302.4 1892.0 1.064 304.0 1902.0 1.073 305.5 1912.0 1.076 307.1 1922.0 1.075 308.6 1932.0 1.070 310.2 1942.0 1.062 311.8 1952.0 1.051 313.4 1962.0 1.038 315.0 1972.0 1.023 316.7 1982.0 1.006 318.4 1992.0 0.988 320.2 2002.0 0.970 322.1 2012.0 0.950 324.0 2022.0 0.930 326.0 2032.0 0.909 328.2 2042.0 0.888 330.4 2052.0 0.868 332.7 2062.0 0.847 335.1 2072.0 0.828 337.7 2082.0 0.808 340.3 2092.0 0.790 343.1 2102.0 0.773 346.1 2112.0 0.757 349.1 2122.0 0.742 352.3 2132.0 0.730 355.6 2142.0 0.718 359.0 2152.0 0.709 2.5 2162.0 0.702 6.1 2172.0 0.697 9.7 2182.0 0.695 13.4 2192.0 0.694 17.1 2202.0 0.696 20.8 2212.0 0.700 24.5 2222.0 0.707 28.1 2232.0 0.716 31.7 2242.0 0.726 35.1 2252.0 0.739 38.4 2262.0 0.754 41.6 2272.0 0.770 44.7 2282.0 0.788 47.7 2292.0 0.807 50.5 2302.0 0.828 53.1 2312.0 0.850 55.7 2322.0 0.872 58.1 2332.0 0.896 60.4 2342.0 0.920 62.5 2352.0 0.945 64.6 2362.0 0.970 66.6 2372.0 0.995 68.4 2382.0 1.021 70.2 2392.0 1.047 71.8 2402.0 1.073 73.4 2412.0 1.100 74.9 2422.0 1.126 76.4 2432.0 1.151 77.8 2442.0 1.177 79.1 2452.0 1.202 80.3 2462.0 1.227 81.5 2472.0 1.251 82.7 2482.0 1.275 83.8 2492.0 1.299 84.9 2502.0 1.321 86.0 2512.0 1.343 87.0 2522.0 1.364 87.9 2532.0 1.384 88.9 2542.0 1.403 89.8 2552.0 1.421 90.7 2562.0 1.438 91.6 2572.0 1.454 92.4