| WDS: | STF2613AB | WDS ID/Discoverer |
| P: | 2106.099 | Orbital period (years) |
| a: | 4.54412 | Semi-major axis (arcseconds) |
| i: | 74.956 | Inclination (degrees) |
| Ω: | 175.719 | Longitude of ascending node (degrees) |
| T: | 2220.550 | Epoch of periastron passage (year) |
| e: | 0.65213 | Eccentricity |
| ω: | 290.393 | Longitude of periastron (degrees) |
| Start-Year: | 971.95055 | Year |
| End-Year: | 3078.04945 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF2613AB |
||
| Position: | 200126.66+104454.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20014+1045 | WDS designation |
| Discoverer Code: | STF2613AB | Discover designation and components |
| ADS number: | 13256 | Aitken Double Star catalog |
| HD number: | 189783 | HD catalog number |
| Hipparcos number: | 98578 | Hipparcos catalog number |
| V1: | 7.48 | Magnitude of the primary |
| V2: | 8.02 | 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 3.422 355.48 -------------------------- 971.95 2.327 302.43 981.95 2.369 303.69 991.95 2.411 304.90 1001.95 2.453 306.08 1011.95 2.496 307.21 1021.95 2.539 308.31 1031.95 2.583 309.37 1041.95 2.627 310.39 1051.95 2.672 311.38 1061.95 2.716 312.34 1071.95 2.761 313.26 1081.95 2.806 314.16 1091.95 2.851 315.03 1101.95 2.896 315.87 1111.95 2.941 316.69 1121.95 2.986 317.48 1131.95 3.031 318.24 1141.95 3.076 318.99 1151.95 3.121 319.71 1161.95 3.166 320.41 1171.95 3.210 321.10 1181.95 3.255 321.76 1191.95 3.299 322.41 1201.95 3.343 323.04 1211.95 3.387 323.65 1221.95 3.430 324.25 1231.95 3.473 324.83 1241.95 3.516 325.40 1251.95 3.558 325.96 1261.95 3.600 326.50 1271.95 3.642 327.03 1281.95 3.683 327.55 1291.95 3.724 328.05 1301.95 3.764 328.55 1311.95 3.804 329.03 1321.95 3.843 329.51 1331.95 3.881 329.98 1341.95 3.920 330.43 1351.95 3.957 330.88 1361.95 3.994 331.32 1371.95 4.030 331.75 1381.95 4.066 332.17 1391.95 4.101 332.59 1401.95 4.135 333.00 1411.95 4.169 333.40 1421.95 4.202 333.80 1431.95 4.234 334.19 1441.95 4.266 334.57 1451.95 4.296 334.95 1461.95 4.326 335.33 1471.95 4.355 335.70 1481.95 4.383 336.06 1491.95 4.410 336.42 1501.95 4.437 336.77 1511.95 4.462 337.12 1521.95 4.486 337.47 1531.95 4.510 337.82 1541.95 4.532 338.15 1551.95 4.554 338.49 1561.95 4.574 338.82 1571.95 4.593 339.16 1581.95 4.611 339.48 1591.95 4.628 339.81 1601.95 4.644 340.13 1611.95 4.659 340.45 1621.95 4.672 340.77 1631.95 4.684 341.09 1641.95 4.694 341.41 1651.95 4.704 341.72 1661.95 4.712 342.03 1671.95 4.718 342.35 1681.95 4.723 342.66 1691.95 4.726 342.97 1701.95 4.728 343.28 1711.95 4.728 343.59 1721.95 4.727 343.90 1731.95 4.724 344.21 1741.95 4.719 344.52 1751.95 4.712 344.84 1761.95 4.703 345.15 1771.95 4.692 345.46 1781.95 4.679 345.78 1791.95 4.664 346.10 1801.95 4.647 346.42 1811.95 4.627 346.74 1821.95 4.606 347.07 1831.95 4.581 347.40 1841.95 4.554 347.73 1851.95 4.525 348.07 1861.95 4.492 348.41 1871.95 4.457 348.75 1881.95 4.419 349.11 1891.95 4.377 349.47 1901.95 4.333 349.83 1911.95 4.285 350.21 1921.95 4.233 350.59 1931.95 4.177 350.98 1941.95 4.118 351.39 1951.95 4.054 351.80 1961.95 3.986 352.23 1971.95 3.913 352.68 1981.95 3.835 353.14 1991.95 3.753 353.62 2001.95 3.664 354.13 2011.95 3.570 354.66 2021.95 3.470 355.22 2031.95 3.363 355.81 2041.95 3.249 356.45 2051.95 3.127 357.13 2061.95 2.998 357.87 2071.95 2.860 358.68 2081.95 2.713 359.58 2091.95 2.557 0.58 2101.95 2.390 1.71 2111.95 2.212 3.03 2121.95 2.024 4.58 2131.95 1.823 6.46 2141.95 1.612 8.82 2151.95 1.389 11.92 2161.95 1.158 16.23 2171.95 0.923 22.73 2181.95 0.694 33.61 2191.95 0.503 53.87 2201.95 0.420 88.73 2211.95 0.509 123.10 2221.95 0.702 142.86 2231.95 0.926 153.57 2241.95 1.151 160.09 2251.95 1.363 164.50 2261.95 1.558 167.76 2271.95 1.733 170.33 2281.95 1.888 172.45 2291.95 2.022 174.26 2301.95 2.139 175.87 2311.95 2.238 177.32 2321.95 2.323 178.65 2331.95 2.394 179.90 2341.95 2.453 181.08 2351.95 2.501 182.21 2361.95 2.539 183.31 2371.95 2.570 184.37 2381.95 2.592 185.41 2391.95 2.608 186.44 2401.95 2.618 187.46 2411.95 2.623 188.47 2421.95 2.622 189.48 2431.95 2.618 190.49 2441.95 2.609 191.51 2451.95 2.598 192.53 2461.95 2.583 193.57 2471.95 2.565 194.61 2481.95 2.545 195.68 2491.95 2.523 196.76 2501.95 2.499 197.86 2511.95 2.473 198.98 2521.95 2.446 200.13 2531.95 2.417 201.31 2541.95 2.387 202.51 2551.95 2.357 203.75 2561.95 2.326 205.01 2571.95 2.294 206.31 2581.95 2.262 207.65 2591.95 2.229 209.03 2601.95 2.197 210.45 2611.95 2.164 211.91 2621.95 2.132 213.41 2631.95 2.100 214.97 2641.95 2.069 216.56 2651.95 2.038 218.21 2661.95 2.007 219.91 2671.95 1.978 221.66 2681.95 1.950 223.46 2691.95 1.922 225.31 2701.95 1.896 227.22 2711.95 1.872 229.18 2721.95 1.849 231.18 2731.95 1.827 233.24 2741.95 1.807 235.35 2751.95 1.789 237.49 2761.95 1.773 239.68 2771.95 1.759 241.91 2781.95 1.747 244.17 2791.95 1.737 246.46 2801.95 1.729 248.78 2811.95 1.724 251.11 2821.95 1.721 253.45 2831.95 1.720 255.80 2841.95 1.722 258.14 2851.95 1.726 260.48 2861.95 1.732 262.81 2871.95 1.741 265.11 2881.95 1.752 267.39 2891.95 1.765 269.63 2901.95 1.781 271.84 2911.95 1.799 274.01 2921.95 1.818 276.13 2931.95 1.840 278.21 2941.95 1.864 280.24 2951.95 1.889 282.21 2961.95 1.916 284.13 2971.95 1.945 285.99 2981.95 1.975 287.80 2991.95 2.007 289.55 3001.95 2.040 291.25 3011.95 2.074 292.89 3021.95 2.110 294.48 3031.95 2.147 296.01 3041.95 2.184 297.49 3051.95 2.223 298.92 3061.95 2.262 300.30 3071.95 2.302 301.64
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:11:22 |