| WDS: | STF2289 | WDS ID/Discoverer |
| P: | 1958.851 | Orbital period (years) |
| a: | 2.4491 | Semi-major axis (arcseconds) |
| i: | 101.811 | Inclination (degrees) |
| Ω: | 21.771 | Longitude of ascending node (degrees) |
| T: | 2198.317 | Epoch of periastron passage (year) |
| e: | 0.81761 | Eccentricity |
| ω: | 262.211 | Longitude of periastron (degrees) |
| Start-Year: | 1045.57455 | Year |
| End-Year: | 3004.4254499999997 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF2289 |
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| Position: | 181008.69+162835.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18101+1629 | WDS designation |
| Discoverer Code: | STF2289 | Discover designation and components |
| ADS number: | 11123 | Aitken Double Star catalog |
| HD number: | 166479 | HD catalog number |
| Hipparcos number: | 89023 | Hipparcos catalog number |
| V1: | 6.65 | Magnitude of the primary |
| V2: | 7.21 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Izm2019 | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 1.212 217.81 -------------------------- 1045.57 1.332 341.15 1055.57 1.318 340.41 1065.57 1.303 339.65 1075.57 1.288 338.88 1085.57 1.274 338.08 1095.57 1.259 337.27 1105.57 1.245 336.45 1115.57 1.230 335.60 1125.57 1.215 334.73 1135.57 1.201 333.84 1145.57 1.187 332.93 1155.57 1.173 331.99 1165.57 1.158 331.04 1175.57 1.144 330.06 1185.57 1.131 329.05 1195.57 1.117 328.02 1205.57 1.103 326.97 1215.57 1.090 325.89 1225.57 1.077 324.78 1235.57 1.064 323.65 1245.57 1.052 322.49 1255.57 1.039 321.30 1265.57 1.027 320.08 1275.57 1.015 318.84 1285.57 1.004 317.56 1295.57 0.993 316.26 1305.57 0.982 314.93 1315.57 0.972 313.56 1325.57 0.962 312.17 1335.57 0.952 310.75 1345.57 0.943 309.31 1355.57 0.934 307.83 1365.57 0.926 306.33 1375.57 0.918 304.80 1385.57 0.911 303.25 1395.57 0.904 301.67 1405.57 0.898 300.07 1415.57 0.892 298.45 1425.57 0.887 296.80 1435.57 0.882 295.14 1445.57 0.878 293.47 1455.57 0.875 291.78 1465.57 0.872 290.07 1475.57 0.870 288.36 1485.57 0.868 286.64 1495.57 0.867 284.92 1505.57 0.867 283.19 1515.57 0.867 281.46 1525.57 0.868 279.74 1535.57 0.870 278.02 1545.57 0.872 276.30 1555.57 0.874 274.60 1565.57 0.878 272.90 1575.57 0.881 271.22 1585.57 0.886 269.56 1595.57 0.891 267.91 1605.57 0.896 266.28 1615.57 0.902 264.67 1625.57 0.908 263.09 1635.57 0.915 261.52 1645.57 0.922 259.98 1655.57 0.930 258.47 1665.57 0.938 256.98 1675.57 0.946 255.52 1685.57 0.955 254.08 1695.57 0.964 252.67 1705.57 0.974 251.28 1715.57 0.983 249.93 1725.57 0.993 248.60 1735.57 1.003 247.29 1745.57 1.013 246.01 1755.57 1.024 244.76 1765.57 1.034 243.53 1775.57 1.045 242.33 1785.57 1.055 241.15 1795.57 1.066 240.00 1805.57 1.077 238.87 1815.57 1.087 237.76 1825.57 1.098 236.67 1835.57 1.108 235.60 1845.57 1.118 234.55 1855.57 1.128 233.52 1865.57 1.138 232.51 1875.57 1.148 231.52 1885.57 1.157 230.54 1895.57 1.166 229.58 1905.57 1.174 228.63 1915.57 1.182 227.69 1925.57 1.189 226.77 1935.57 1.196 225.85 1945.57 1.202 224.95 1955.57 1.207 224.05 1965.57 1.211 223.16 1975.57 1.215 222.28 1985.57 1.217 221.40 1995.57 1.218 220.53 2005.57 1.218 219.65 2015.57 1.216 218.77 2025.57 1.212 217.89 2035.57 1.207 217.00 2045.57 1.199 216.11 2055.57 1.188 215.20 2065.57 1.175 214.27 2075.57 1.159 213.31 2085.57 1.138 212.33 2095.57 1.113 211.30 2105.57 1.082 210.23 2115.57 1.045 209.08 2125.57 0.999 207.84 2135.57 0.943 206.46 2145.57 0.874 204.89 2155.57 0.788 203.01 2165.57 0.678 200.60 2175.57 0.538 197.07 2185.57 0.360 190.46 2195.57 0.155 167.10 2205.57 0.149 59.62 2215.57 0.357 34.97 2225.57 0.546 28.38 2235.57 0.706 25.03 2245.57 0.839 22.85 2255.57 0.952 21.23 2265.57 1.049 19.93 2275.57 1.133 18.84 2285.57 1.207 17.89 2295.57 1.272 17.05 2305.57 1.330 16.28 2315.57 1.381 15.57 2325.57 1.427 14.91 2335.57 1.468 14.29 2345.57 1.506 13.71 2355.57 1.539 13.14 2365.57 1.569 12.61 2375.57 1.597 12.09 2385.57 1.621 11.59 2395.57 1.644 11.10 2405.57 1.664 10.62 2415.57 1.681 10.16 2425.57 1.697 9.71 2435.57 1.712 9.26 2445.57 1.724 8.82 2455.57 1.735 8.38 2465.57 1.745 7.96 2475.57 1.754 7.53 2485.57 1.761 7.11 2495.57 1.767 6.69 2505.57 1.771 6.28 2515.57 1.775 5.86 2525.57 1.778 5.45 2535.57 1.780 5.04 2545.57 1.781 4.63 2555.57 1.781 4.22 2565.57 1.781 3.81 2575.57 1.779 3.40 2585.57 1.777 2.99 2595.57 1.775 2.58 2605.57 1.771 2.17 2615.57 1.767 1.75 2625.57 1.763 1.34 2635.57 1.758 0.92 2645.57 1.752 0.50 2655.57 1.746 0.07 2665.57 1.739 359.64 2675.57 1.732 359.21 2685.57 1.724 358.78 2695.57 1.716 358.34 2705.57 1.708 357.89 2715.57 1.699 357.45 2725.57 1.689 356.99 2735.57 1.680 356.54 2745.57 1.670 356.07 2755.57 1.660 355.60 2765.57 1.649 355.13 2775.57 1.638 354.65 2785.57 1.627 354.16 2795.57 1.615 353.67 2805.57 1.604 353.16 2815.57 1.591 352.66 2825.57 1.579 352.14 2835.57 1.567 351.61 2845.57 1.554 351.08 2855.57 1.541 350.54 2865.57 1.528 349.99 2875.57 1.515 349.42 2885.57 1.501 348.85 2895.57 1.488 348.27 2905.57 1.474 347.68 2915.57 1.460 347.08 2925.57 1.446 346.46 2935.57 1.432 345.83 2945.57 1.418 345.19 2955.57 1.403 344.54 2965.57 1.389 343.87 2975.57 1.374 343.19 2985.57 1.360 342.50 2995.57 1.345 341.79
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:48:49 |