| WDS: | A1993 | WDS ID/Discoverer |
| P: | 2137.000 | Orbital period (years) |
| a: | 2.046 | Semi-major axis (arcseconds) |
| i: | 52.6 | Inclination (degrees) |
| Ω: | 124.3 | Longitude of ascending node (degrees) |
| T: | 1991.000 | Epoch of periastron passage (year) |
| e: | 0.822 | Eccentricity |
| ω: | 29.1 | Longitude of periastron (degrees) |
| Start-Year: | 956.5 | Year |
| End-Year: | 3093.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A1993 |
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| Position: | 102843.86+455751.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 10287+4558 | WDS designation |
| Discoverer Code: | A1993 | Discover designation and components |
| ADS number: | 7785 | Aitken Double Star catalog |
| HD number: | 90619 | HD catalog number |
| Hipparcos number: | 51301 | Hipparcos catalog number |
| V1: | 9.25 | Magnitude of the primary |
| V2: | 10.22 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2022 | 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: | 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 0.368 240.94 -------------------------- 956.50 3.417 323.68 966.50 3.410 323.89 976.50 3.402 324.10 986.50 3.394 324.31 996.50 3.386 324.53 1006.50 3.377 324.74 1016.50 3.367 324.95 1026.50 3.357 325.17 1036.50 3.347 325.39 1046.50 3.336 325.61 1056.50 3.325 325.83 1066.50 3.314 326.05 1076.50 3.302 326.27 1086.50 3.289 326.49 1096.50 3.276 326.72 1106.50 3.263 326.95 1116.50 3.249 327.18 1126.50 3.235 327.41 1136.50 3.220 327.65 1146.50 3.205 327.88 1156.50 3.189 328.12 1166.50 3.173 328.36 1176.50 3.157 328.61 1186.50 3.140 328.85 1196.50 3.122 329.10 1206.50 3.104 329.35 1216.50 3.086 329.61 1226.50 3.067 329.86 1236.50 3.048 330.13 1246.50 3.028 330.39 1256.50 3.008 330.66 1266.50 2.988 330.93 1276.50 2.966 331.20 1286.50 2.945 331.48 1296.50 2.923 331.77 1306.50 2.900 332.05 1316.50 2.877 332.35 1326.50 2.854 332.64 1336.50 2.830 332.95 1346.50 2.806 333.25 1356.50 2.781 333.57 1366.50 2.755 333.88 1376.50 2.730 334.21 1386.50 2.703 334.54 1396.50 2.676 334.88 1406.50 2.649 335.22 1416.50 2.621 335.57 1426.50 2.593 335.93 1436.50 2.564 336.30 1446.50 2.535 336.67 1456.50 2.505 337.06 1466.50 2.474 337.45 1476.50 2.443 337.85 1486.50 2.412 338.27 1496.50 2.380 338.69 1506.50 2.347 339.13 1516.50 2.314 339.58 1526.50 2.280 340.04 1536.50 2.246 340.52 1546.50 2.211 341.01 1556.50 2.176 341.51 1566.50 2.140 342.04 1576.50 2.103 342.58 1586.50 2.066 343.14 1596.50 2.028 343.72 1606.50 1.990 344.33 1616.50 1.951 344.96 1626.50 1.911 345.61 1636.50 1.871 346.29 1646.50 1.830 347.01 1656.50 1.789 347.75 1666.50 1.747 348.53 1676.50 1.704 349.35 1686.50 1.661 350.21 1696.50 1.616 351.12 1706.50 1.572 352.08 1716.50 1.527 353.10 1726.50 1.481 354.18 1736.50 1.434 355.33 1746.50 1.387 356.55 1756.50 1.339 357.87 1766.50 1.291 359.28 1776.50 1.242 0.80 1786.50 1.192 2.45 1796.50 1.142 4.24 1806.50 1.092 6.20 1816.50 1.041 8.34 1826.50 0.990 10.71 1836.50 0.939 13.34 1846.50 0.888 16.26 1856.50 0.837 19.55 1866.50 0.787 23.26 1876.50 0.737 27.46 1886.50 0.689 32.26 1896.50 0.644 37.77 1906.50 0.601 44.08 1916.50 0.561 51.32 1926.50 0.526 59.59 1936.50 0.497 68.94 1946.50 0.472 79.35 1956.50 0.452 90.79 1966.50 0.431 103.30 1976.50 0.403 117.26 1986.50 0.360 133.92 1996.50 0.306 156.06 2006.50 0.271 186.24 2016.50 0.294 217.97 2026.50 0.368 240.94 2036.50 0.464 255.31 2046.50 0.567 264.60 2056.50 0.669 271.02 2066.50 0.769 275.76 2076.50 0.865 279.42 2086.50 0.958 282.36 2096.50 1.047 284.79 2106.50 1.132 286.85 2116.50 1.213 288.63 2126.50 1.292 290.18 2136.50 1.367 291.56 2146.50 1.440 292.80 2156.50 1.510 293.92 2166.50 1.578 294.95 2176.50 1.643 295.89 2186.50 1.706 296.76 2196.50 1.767 297.57 2206.50 1.826 298.32 2216.50 1.883 299.03 2226.50 1.938 299.70 2236.50 1.992 300.33 2246.50 2.044 300.93 2256.50 2.095 301.50 2266.50 2.144 302.04 2276.50 2.191 302.56 2286.50 2.237 303.06 2296.50 2.282 303.54 2306.50 2.326 304.00 2316.50 2.369 304.44 2326.50 2.410 304.87 2336.50 2.450 305.28 2346.50 2.489 305.68 2356.50 2.527 306.07 2366.50 2.564 306.45 2376.50 2.600 306.81 2386.50 2.634 307.17 2396.50 2.668 307.51 2406.50 2.701 307.85 2416.50 2.733 308.18 2426.50 2.765 308.51 2436.50 2.795 308.82 2446.50 2.824 309.13 2456.50 2.853 309.43 2466.50 2.881 309.73 2476.50 2.908 310.02 2486.50 2.934 310.31 2496.50 2.960 310.59 2506.50 2.984 310.86 2516.50 3.008 311.14 2526.50 3.032 311.40 2536.50 3.054 311.67 2546.50 3.076 311.93 2556.50 3.097 312.18 2566.50 3.118 312.43 2576.50 3.138 312.68 2586.50 3.157 312.93 2596.50 3.175 313.17 2606.50 3.193 313.41 2616.50 3.210 313.65 2626.50 3.227 313.89 2636.50 3.243 314.12 2646.50 3.259 314.35 2656.50 3.273 314.58 2666.50 3.288 314.81 2676.50 3.301 315.03 2686.50 3.314 315.25 2696.50 3.327 315.48 2706.50 3.339 315.70 2716.50 3.350 315.91 2726.50 3.361 316.13 2736.50 3.372 316.35 2746.50 3.381 316.56 2756.50 3.391 316.77 2766.50 3.400 316.98 2776.50 3.408 317.19 2786.50 3.415 317.40 2796.50 3.423 317.61 2806.50 3.429 317.82 2816.50 3.435 318.03 2826.50 3.441 318.23 2836.50 3.446 318.44 2846.50 3.451 318.64 2856.50 3.455 318.85 2866.50 3.459 319.05 2876.50 3.462 319.26 2886.50 3.465 319.46 2896.50 3.467 319.66 2906.50 3.469 319.87 2916.50 3.470 320.07 2926.50 3.471 320.27 2936.50 3.471 320.47 2946.50 3.471 320.68 2956.50 3.471 320.88 2966.50 3.470 321.08 2976.50 3.468 321.28 2986.50 3.466 321.49 2996.50 3.464 321.69 3006.50 3.461 321.89 3016.50 3.458 322.10 3026.50 3.454 322.30 3036.50 3.450 322.51 3046.50 3.445 322.71 3056.50 3.440 322.92 3066.50 3.434 323.12 3076.50 3.428 323.33 3086.50 3.422 323.54
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:28:18 |