| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:48:50 |
| WDS: | STF2218 | WDS ID/Discoverer |
| P: | 1051.158 | Orbital period (years) |
| a: | 3.04833 | Semi-major axis (arcseconds) |
| i: | 120.982 | Inclination (degrees) |
| Ω: | 93.827 | Longitude of ascending node (degrees) |
| T: | 2080.891 | Epoch of periastron passage (year) |
| e: | 0.82722 | Eccentricity |
| ω: | 254.754 | Longitude of periastron (degrees) |
| Start-Year: | 1500.0 | Year |
| End-Year: | 2550.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 174018.07+634031.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17403+6341 | WDS designation |
| Discoverer Code: | STF2218 | Discover designation and components |
| ADS number: | 10728 | Aitken Double Star catalog |
| HD number: | 161285 | HD catalog number |
| Hipparcos number: | 86482 | Hipparcos catalog number |
| V1: | 7.08 | Magnitude of the primary |
| V2: | 8.37 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 4 | 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 1.365 304.9 ------------------------- 1500.0 3.217 36.8 1510.0 3.204 35.9 1520.0 3.189 35.0 1530.0 3.174 34.1 1540.0 3.157 33.2 1550.0 3.140 32.2 1560.0 3.121 31.3 1570.0 3.102 30.3 1580.0 3.081 29.4 1590.0 3.060 28.4 1600.0 3.038 27.4 1610.0 3.014 26.4 1620.0 2.990 25.4 1630.0 2.965 24.3 1640.0 2.940 23.3 1650.0 2.913 22.2 1660.0 2.886 21.1 1670.0 2.858 20.0 1680.0 2.829 18.9 1690.0 2.799 17.7 1700.0 2.769 16.5 1710.0 2.738 15.3 1720.0 2.707 14.1 1730.0 2.674 12.8 1740.0 2.641 11.5 1750.0 2.608 10.1 1760.0 2.574 8.8 1770.0 2.539 7.4 1780.0 2.504 5.9 1790.0 2.468 4.4 1800.0 2.432 2.9 1810.0 2.395 1.3 1820.0 2.357 359.7 1830.0 2.319 358.0 1840.0 2.281 356.3 1850.0 2.242 354.5 1860.0 2.202 352.6 1870.0 2.162 350.7 1880.0 2.121 348.7 1890.0 2.080 346.6 1900.0 2.038 344.4 1910.0 1.995 342.1 1920.0 1.952 339.8 1930.0 1.907 337.3 1940.0 1.862 334.7 1950.0 1.815 332.0 1960.0 1.767 329.1 1970.0 1.716 326.1 1980.0 1.663 322.9 1990.0 1.607 319.4 2000.0 1.546 315.7 2010.0 1.480 311.7 2020.0 1.406 307.3 2030.0 1.321 302.3 2040.0 1.218 296.6 2050.0 1.089 289.7 2060.0 0.914 280.6 2070.0 0.656 265.6 2080.0 0.316 220.5 2090.0 0.459 128.9 2100.0 0.839 105.3 2110.0 1.148 95.8 2120.0 1.398 90.1 2130.0 1.605 86.0 2140.0 1.782 82.8 2150.0 1.936 80.2 2160.0 2.072 77.9 2170.0 2.192 75.8 2180.0 2.301 74.0 2190.0 2.398 72.4 2200.0 2.487 70.8 2210.0 2.568 69.4 2220.0 2.641 68.0 2230.0 2.708 66.7 2240.0 2.770 65.5 2250.0 2.826 64.3 2260.0 2.878 63.2 2270.0 2.925 62.1 2280.0 2.969 61.0 2290.0 3.008 60.0 2300.0 3.044 59.0 2310.0 3.077 58.0 2320.0 3.107 57.1 2330.0 3.134 56.1 2340.0 3.158 55.2 2350.0 3.180 54.3 2360.0 3.199 53.4 2370.0 3.216 52.5 2380.0 3.231 51.6 2390.0 3.244 50.7 2400.0 3.254 49.8 2410.0 3.263 49.0 2420.0 3.270 48.1 2430.0 3.275 47.2 2440.0 3.278 46.4 2450.0 3.280 45.5 2460.0 3.280 44.7 2470.0 3.279 43.8 2480.0 3.276 43.0 2490.0 3.272 42.1 2500.0 3.266 41.2 2510.0 3.259 40.4 2520.0 3.251 39.5 2530.0 3.241 38.6 2540.0 3.230 37.8