| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:46:35 |
| WDS: | BU84 | WDS ID/Discoverer |
| P: | 1129.394 | Orbital period (years) |
| a: | 2.20836 | Semi-major axis (arcseconds) |
| i: | 97.332 | Inclination (degrees) |
| Ω: | 179.628 | Longitude of ascending node (degrees) |
| T: | 2086.059 | Epoch of periastron passage (year) |
| e: | 0.76942 | Eccentricity |
| ω: | 252.208 | Longitude of periastron (degrees) |
| Start-Year: | 1461.0 | Year |
| End-Year: | 2589.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 031600.86-055507.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03160-0555 | WDS designation |
| Discoverer Code: | BU84 | Discover designation and components |
| ADS number: | 2440 | Aitken Double Star catalog |
| HD number: | 20319 | HD catalog number |
| Hipparcos number: | 15203 | Hipparcos catalog number |
| V1: | 6.38 | Magnitude of the primary |
| V2: | 7.93 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | 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 0.977 5.6 ------------------------- 1461.0 1.508 161.9 1471.0 1.472 161.3 1481.0 1.436 160.7 1491.0 1.400 160.1 1501.0 1.362 159.4 1511.0 1.325 158.7 1521.0 1.286 158.0 1531.0 1.248 157.2 1541.0 1.208 156.3 1551.0 1.169 155.4 1561.0 1.129 154.5 1571.0 1.088 153.4 1581.0 1.048 152.3 1591.0 1.007 151.1 1601.0 0.966 149.8 1611.0 0.925 148.4 1621.0 0.885 146.9 1631.0 0.844 145.2 1641.0 0.804 143.3 1651.0 0.764 141.2 1661.0 0.725 138.9 1671.0 0.686 136.4 1681.0 0.649 133.6 1691.0 0.613 130.4 1701.0 0.579 126.8 1711.0 0.547 122.8 1721.0 0.517 118.3 1731.0 0.491 113.3 1741.0 0.468 107.8 1751.0 0.450 101.8 1761.0 0.437 95.3 1771.0 0.429 88.5 1781.0 0.427 81.6 1791.0 0.431 74.7 1801.0 0.441 68.0 1811.0 0.456 61.7 1821.0 0.475 55.8 1831.0 0.499 50.5 1841.0 0.526 45.7 1851.0 0.555 41.3 1861.0 0.587 37.4 1871.0 0.621 34.0 1881.0 0.655 30.8 1891.0 0.690 28.0 1901.0 0.725 25.5 1911.0 0.761 23.2 1921.0 0.795 21.1 1931.0 0.829 19.2 1941.0 0.861 17.4 1951.0 0.892 15.8 1961.0 0.920 14.2 1971.0 0.945 12.8 1981.0 0.966 11.4 1991.0 0.982 10.0 2001.0 0.991 8.7 2011.0 0.993 7.4 2021.0 0.984 6.2 2031.0 0.961 4.8 2041.0 0.919 3.4 2051.0 0.849 1.8 2061.0 0.738 359.8 2071.0 0.567 356.8 2081.0 0.317 350.0 2091.0 0.067 263.1 2101.0 0.336 190.8 2111.0 0.608 184.7 2121.0 0.833 182.2 2131.0 1.019 180.7 2141.0 1.173 179.7 2151.0 1.304 178.8 2161.0 1.415 178.1 2171.0 1.511 177.6 2181.0 1.594 177.0 2191.0 1.666 176.6 2201.0 1.729 176.1 2211.0 1.783 175.7 2221.0 1.831 175.3 2231.0 1.872 174.9 2241.0 1.907 174.6 2251.0 1.938 174.2 2261.0 1.963 173.9 2271.0 1.985 173.6 2281.0 2.002 173.3 2291.0 2.016 173.0 2301.0 2.027 172.6 2311.0 2.035 172.3 2321.0 2.039 172.0 2331.0 2.042 171.7 2341.0 2.041 171.4 2351.0 2.039 171.1 2361.0 2.034 170.8 2371.0 2.027 170.5 2381.0 2.018 170.2 2391.0 2.007 169.9 2401.0 1.994 169.6 2411.0 1.980 169.2 2421.0 1.964 168.9 2431.0 1.946 168.6 2441.0 1.928 168.3 2451.0 1.907 167.9 2461.0 1.886 167.6 2471.0 1.863 167.2 2481.0 1.838 166.8 2491.0 1.813 166.4 2501.0 1.787 166.1 2511.0 1.759 165.7 2521.0 1.731 165.2 2531.0 1.701 164.8 2541.0 1.671 164.4 2551.0 1.639 163.9 2561.0 1.607 163.4 2571.0 1.574 162.9 2581.0 1.540 162.4