| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:30:10 |
| WDS: | STF981 | WDS ID/Discoverer |
| P: | 1089.700 | Orbital period (years) |
| a: | 3.35 | Semi-major axis (arcseconds) |
| i: | 102.12 | Inclination (degrees) |
| Ω: | 150.56 | Longitude of ascending node (degrees) |
| T: | 1016.700 | Epoch of periastron passage (year) |
| e: | 0.34 | Eccentricity |
| ω: | 129.81 | Longitude of periastron (degrees) |
| Start-Year: | 1481.0 | Year |
| End-Year: | 2569.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 065528.54+300942.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 06555+3010 | WDS designation |
| Discoverer Code: | STF981 | Discover designation and components |
| ADS number: | 5570 | Aitken Double Star catalog |
| HD number: | 50662 | HD catalog number |
| Hipparcos number: | 33287 | Hipparcos catalog number |
| V1: | 8.72 | Magnitude of the primary |
| V2: | 8.97 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 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 0.780 110.5 ------------------------- 1481.0 2.093 174.1 1491.0 2.209 172.5 1501.0 2.324 171.1 1511.0 2.436 169.8 1521.0 2.546 168.6 1531.0 2.654 167.5 1541.0 2.758 166.5 1551.0 2.860 165.6 1561.0 2.959 164.7 1571.0 3.053 163.9 1581.0 3.145 163.2 1591.0 3.232 162.5 1601.0 3.316 161.8 1611.0 3.395 161.1 1621.0 3.470 160.5 1631.0 3.540 159.9 1641.0 3.606 159.3 1651.0 3.667 158.8 1661.0 3.723 158.2 1671.0 3.773 157.7 1681.0 3.819 157.2 1691.0 3.858 156.7 1701.0 3.892 156.2 1711.0 3.920 155.7 1721.0 3.942 155.3 1731.0 3.958 154.8 1741.0 3.967 154.3 1751.0 3.970 153.9 1761.0 3.965 153.4 1771.0 3.954 152.9 1781.0 3.935 152.5 1791.0 3.909 152.0 1801.0 3.875 151.5 1811.0 3.833 151.0 1821.0 3.782 150.5 1831.0 3.724 150.0 1841.0 3.656 149.5 1851.0 3.580 148.9 1861.0 3.495 148.3 1871.0 3.400 147.7 1881.0 3.296 147.0 1891.0 3.182 146.3 1901.0 3.058 145.6 1911.0 2.924 144.8 1921.0 2.779 143.9 1931.0 2.625 142.9 1941.0 2.460 141.7 1951.0 2.285 140.4 1961.0 2.101 138.9 1971.0 1.907 137.1 1981.0 1.705 134.8 1991.0 1.496 132.0 2001.0 1.283 128.2 2011.0 1.068 122.8 2021.0 0.860 114.8 2031.0 0.671 102.0 2041.0 0.533 81.1 2051.0 0.496 52.2 2061.0 0.580 25.9 2071.0 0.743 8.7 2081.0 0.940 358.2 2091.0 1.147 351.4 2101.0 1.352 346.7 2111.0 1.549 343.2 2121.0 1.732 340.5 2131.0 1.898 338.3 2141.0 2.045 336.4 2151.0 2.173 334.7 2161.0 2.280 333.3 2171.0 2.365 331.9 2181.0 2.430 330.6 2191.0 2.475 329.4 2201.0 2.501 328.2 2211.0 2.509 327.1 2221.0 2.500 325.9 2231.0 2.476 324.7 2241.0 2.438 323.5 2251.0 2.387 322.3 2261.0 2.326 320.9 2271.0 2.254 319.5 2281.0 2.173 318.0 2291.0 2.084 316.4 2301.0 1.989 314.7 2311.0 1.889 312.7 2321.0 1.784 310.5 2331.0 1.677 308.1 2341.0 1.568 305.3 2351.0 1.458 302.1 2361.0 1.350 298.4 2371.0 1.244 294.0 2381.0 1.144 288.9 2391.0 1.052 282.8 2401.0 0.972 275.6 2411.0 0.908 267.3 2421.0 0.863 257.9 2431.0 0.842 247.8 2441.0 0.846 237.5 2451.0 0.875 227.5 2461.0 0.927 218.5 2471.0 0.998 210.5 2481.0 1.084 203.8 2491.0 1.180 198.0 2501.0 1.285 193.2 2511.0 1.395 189.1 2521.0 1.509 185.6 2531.0 1.625 182.6 2541.0 1.743 180.1 2551.0 1.862 177.8 2561.0 1.980 175.8