| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:13:10 |
| WDS: | HO128AB | WDS ID/Discoverer |
| P: | 1027.981 | Orbital period (years) |
| a: | 2.6928 | Semi-major axis (arcseconds) |
| i: | 103.488 | Inclination (degrees) |
| Ω: | 167.665 | Longitude of ascending node (degrees) |
| T: | 2080.625 | Epoch of periastron passage (year) |
| e: | 0.70717 | Eccentricity |
| ω: | 248.513 | Longitude of periastron (degrees) |
| Start-Year: | 1512.0 | Year |
| End-Year: | 2538.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 202255.49+425900.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20229+4259 | WDS designation |
| Discoverer Code: | HO128AB | Discover designation and components |
| ADS number: | 13786 | Aitken Double Star catalog |
| HD number: | 194220 | HD catalog number |
| Hipparcos number: | 100515 | Hipparcos catalog number |
| V1: | 6.41 | Magnitude of the primary |
| V2: | 8.82 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2013 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 1.311 355.2 ------------------------- 1512.0 2.225 142.3 1522.0 2.179 141.4 1532.0 2.131 140.5 1542.0 2.082 139.5 1552.0 2.032 138.6 1562.0 1.981 137.5 1572.0 1.929 136.4 1582.0 1.877 135.3 1592.0 1.824 134.0 1602.0 1.771 132.7 1612.0 1.717 131.4 1622.0 1.663 129.9 1632.0 1.609 128.3 1642.0 1.555 126.7 1652.0 1.501 124.9 1662.0 1.447 122.9 1672.0 1.394 120.9 1682.0 1.342 118.6 1692.0 1.291 116.2 1702.0 1.241 113.6 1712.0 1.193 110.8 1722.0 1.147 107.7 1732.0 1.104 104.4 1742.0 1.064 100.8 1752.0 1.027 97.0 1762.0 0.993 92.9 1772.0 0.965 88.5 1782.0 0.941 83.9 1792.0 0.922 79.1 1802.0 0.910 74.1 1812.0 0.903 69.0 1822.0 0.902 63.8 1832.0 0.907 58.7 1842.0 0.918 53.7 1852.0 0.935 48.8 1862.0 0.957 44.1 1872.0 0.982 39.6 1882.0 1.012 35.4 1892.0 1.045 31.5 1902.0 1.080 27.7 1912.0 1.117 24.3 1922.0 1.154 21.0 1932.0 1.192 18.0 1942.0 1.228 15.1 1952.0 1.263 12.4 1962.0 1.295 9.9 1972.0 1.322 7.4 1982.0 1.344 5.1 1992.0 1.358 2.8 2002.0 1.361 0.5 2012.0 1.352 358.2 2022.0 1.324 355.9 2032.0 1.272 353.4 2042.0 1.186 350.7 2052.0 1.056 347.3 2062.0 0.864 342.8 2072.0 0.601 334.9 2082.0 0.295 311.2 2092.0 0.242 220.6 2102.0 0.547 187.7 2112.0 0.856 178.8 2122.0 1.129 174.5 2132.0 1.364 171.8 2142.0 1.567 169.8 2152.0 1.743 168.3 2162.0 1.895 167.0 2172.0 2.028 165.9 2182.0 2.145 165.0 2192.0 2.247 164.1 2202.0 2.336 163.3 2212.0 2.414 162.6 2222.0 2.482 161.9 2232.0 2.542 161.2 2242.0 2.593 160.6 2252.0 2.636 160.0 2262.0 2.674 159.4 2272.0 2.705 158.8 2282.0 2.730 158.2 2292.0 2.750 157.7 2302.0 2.765 157.1 2312.0 2.776 156.6 2322.0 2.782 156.0 2332.0 2.785 155.5 2342.0 2.784 154.9 2352.0 2.779 154.4 2362.0 2.771 153.9 2372.0 2.759 153.3 2382.0 2.745 152.8 2392.0 2.728 152.2 2402.0 2.709 151.6 2412.0 2.686 151.1 2422.0 2.662 150.5 2432.0 2.635 149.9 2442.0 2.606 149.3 2452.0 2.575 148.6 2462.0 2.542 148.0 2472.0 2.507 147.3 2482.0 2.470 146.7 2492.0 2.431 146.0 2502.0 2.391 145.2 2512.0 2.349 144.5 2522.0 2.306 143.7 2532.0 2.262 142.9