| WDS: | A307 | WDS ID/Discoverer |
| P: | 1647.000 | Orbital period (years) |
| a: | 2.069 | Semi-major axis (arcseconds) |
| i: | 104.1 | Inclination (degrees) |
| Ω: | 169.2 | Longitude of ascending node (degrees) |
| T: | 1916.700 | Epoch of periastron passage (year) |
| e: | 0.539 | Eccentricity |
| ω: | 4.1 | Longitude of periastron (degrees) |
| Start-Year: | 1201.5 | Year |
| End-Year: | 2848.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A307 |
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| Position: | 220229.85+261207.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22025+2612 | WDS designation |
| Discoverer Code: | A307 | Discover designation and components |
| ADS number: | 15569 | Aitken Double Star catalog |
| HD number: | 209376 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.70 | Magnitude of the primary |
| V2: | 9.76 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2022 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Lin2022b | 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 0.383 114.67 -------------------------- 1201.50 3.073 346.09 1211.50 3.056 345.88 1221.50 3.038 345.67 1231.50 3.019 345.46 1241.50 2.998 345.25 1251.50 2.976 345.04 1261.50 2.953 344.82 1271.50 2.929 344.60 1281.50 2.903 344.37 1291.50 2.876 344.14 1301.50 2.848 343.91 1311.50 2.819 343.67 1321.50 2.788 343.42 1331.50 2.756 343.17 1341.50 2.723 342.92 1351.50 2.689 342.66 1361.50 2.653 342.39 1371.50 2.616 342.11 1381.50 2.577 341.83 1391.50 2.538 341.53 1401.50 2.497 341.23 1411.50 2.455 340.92 1421.50 2.411 340.59 1431.50 2.366 340.25 1441.50 2.320 339.90 1451.50 2.272 339.54 1461.50 2.223 339.16 1471.50 2.173 338.76 1481.50 2.121 338.35 1491.50 2.068 337.91 1501.50 2.014 337.45 1511.50 1.958 336.96 1521.50 1.901 336.45 1531.50 1.843 335.90 1541.50 1.783 335.31 1551.50 1.722 334.69 1561.50 1.660 334.02 1571.50 1.596 333.29 1581.50 1.531 332.51 1591.50 1.465 331.65 1601.50 1.397 330.71 1611.50 1.329 329.68 1621.50 1.259 328.53 1631.50 1.188 327.25 1641.50 1.117 325.80 1651.50 1.044 324.16 1661.50 0.971 322.26 1671.50 0.898 320.06 1681.50 0.825 317.47 1691.50 0.752 314.37 1701.50 0.680 310.62 1711.50 0.611 305.99 1721.50 0.545 300.22 1731.50 0.485 292.93 1741.50 0.433 283.75 1751.50 0.394 272.43 1761.50 0.372 259.22 1771.50 0.370 245.14 1781.50 0.389 231.67 1791.50 0.424 219.96 1801.50 0.473 210.35 1811.50 0.529 202.66 1821.50 0.590 196.51 1831.50 0.652 191.52 1841.50 0.714 187.40 1851.50 0.772 183.92 1861.50 0.825 180.90 1871.50 0.871 178.24 1881.50 0.908 175.81 1891.50 0.936 173.56 1901.50 0.951 171.41 1911.50 0.955 169.30 1921.50 0.945 167.18 1931.50 0.923 164.98 1941.50 0.889 162.65 1951.50 0.845 160.10 1961.50 0.791 157.23 1971.50 0.730 153.91 1981.50 0.664 149.95 1991.50 0.596 145.11 2001.50 0.527 138.99 2011.50 0.463 131.11 2021.50 0.406 120.85 2031.50 0.364 107.77 2041.50 0.343 92.21 2051.50 0.347 75.88 2061.50 0.377 61.06 2071.50 0.426 49.00 2081.50 0.487 39.71 2091.50 0.558 32.63 2101.50 0.633 27.19 2111.50 0.711 22.91 2121.50 0.790 19.49 2131.50 0.869 16.69 2141.50 0.949 14.37 2151.50 1.028 12.40 2161.50 1.106 10.71 2171.50 1.183 9.24 2181.50 1.259 7.95 2191.50 1.333 6.81 2201.50 1.406 5.79 2211.50 1.478 4.86 2221.50 1.548 4.02 2231.50 1.617 3.26 2241.50 1.684 2.55 2251.50 1.749 1.90 2261.50 1.813 1.29 2271.50 1.875 0.73 2281.50 1.936 0.20 2291.50 1.995 359.70 2301.50 2.052 359.23 2311.50 2.108 358.79 2321.50 2.163 358.37 2331.50 2.215 357.97 2341.50 2.267 357.59 2351.50 2.317 357.22 2361.50 2.365 356.87 2371.50 2.411 356.53 2381.50 2.457 356.21 2391.50 2.501 355.90 2401.50 2.543 355.60 2411.50 2.584 355.30 2421.50 2.623 355.02 2431.50 2.661 354.75 2441.50 2.698 354.48 2451.50 2.733 354.22 2461.50 2.766 353.96 2471.50 2.799 353.72 2481.50 2.830 353.47 2491.50 2.859 353.24 2501.50 2.888 353.00 2511.50 2.915 352.78 2521.50 2.940 352.55 2531.50 2.964 352.33 2541.50 2.987 352.11 2551.50 3.009 351.90 2561.50 3.029 351.69 2571.50 3.048 351.48 2581.50 3.066 351.28 2591.50 3.082 351.07 2601.50 3.097 350.87 2611.50 3.111 350.67 2621.50 3.124 350.48 2631.50 3.135 350.28 2641.50 3.145 350.08 2651.50 3.154 349.89 2661.50 3.161 349.70 2671.50 3.167 349.51 2681.50 3.172 349.32 2691.50 3.176 349.12 2701.50 3.179 348.93 2711.50 3.180 348.74 2721.50 3.180 348.55 2731.50 3.179 348.37 2741.50 3.176 348.17 2751.50 3.172 347.98 2761.50 3.168 347.79 2771.50 3.161 347.60 2781.50 3.154 347.41 2791.50 3.145 347.22 2801.50 3.136 347.02 2811.50 3.125 346.82 2821.50 3.112 346.63 2831.50 3.099 346.43 2841.50 3.084 346.23
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:35:23 |