| WDS: | STT520 | WDS ID/Discoverer |
| P: | 1279.000 | Orbital period (years) |
| a: | 0.855 | Semi-major axis (arcseconds) |
| i: | 55.5 | Inclination (degrees) |
| Ω: | 126.5 | Longitude of ascending node (degrees) |
| T: | 1631.700 | Epoch of periastron passage (year) |
| e: | 0.411 | Eccentricity |
| ω: | 121.5 | Longitude of periastron (degrees) |
| Start-Year: | 1385.5 | Year |
| End-Year: | 2664.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STT520 |
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| Position: | 071350.16+282938.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 07138+2830 | WDS designation |
| Discoverer Code: | STT520 | Discover designation and components |
| ADS number: | 5893 | Aitken Double Star catalog |
| HD number: | 55356 | HD catalog number |
| Hipparcos number: | 34943 | Hipparcos catalog number |
| V1: | 7.14 | Magnitude of the primary |
| V2: | 9.22 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 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: | PkO2018b | 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 0.612 32.07 -------------------------- 1385.50 0.870 129.16 1395.50 0.851 130.59 1405.50 0.829 132.10 1415.50 0.807 133.69 1425.50 0.783 135.37 1435.50 0.757 137.16 1445.50 0.729 139.09 1455.50 0.700 141.17 1465.50 0.670 143.43 1475.50 0.638 145.92 1485.50 0.605 148.67 1495.50 0.570 151.75 1505.50 0.534 155.24 1515.50 0.498 159.23 1525.50 0.462 163.85 1535.50 0.426 169.25 1545.50 0.392 175.62 1555.50 0.360 183.17 1565.50 0.333 192.05 1575.50 0.312 202.31 1585.50 0.300 213.73 1595.50 0.297 225.75 1605.50 0.304 237.60 1615.50 0.319 248.61 1625.50 0.342 258.37 1635.50 0.369 266.81 1645.50 0.399 274.03 1655.50 0.429 280.24 1665.50 0.459 285.63 1675.50 0.488 290.37 1685.50 0.514 294.60 1695.50 0.538 298.44 1705.50 0.560 301.96 1715.50 0.578 305.24 1725.50 0.594 308.33 1735.50 0.607 311.27 1745.50 0.618 314.10 1755.50 0.627 316.84 1765.50 0.633 319.52 1775.50 0.638 322.15 1785.50 0.641 324.75 1795.50 0.642 327.33 1805.50 0.642 329.90 1815.50 0.641 332.48 1825.50 0.640 335.07 1835.50 0.637 337.68 1845.50 0.634 340.31 1855.50 0.630 342.97 1865.50 0.627 345.66 1875.50 0.623 348.38 1885.50 0.619 351.13 1895.50 0.615 353.93 1905.50 0.611 356.75 1915.50 0.608 359.61 1925.50 0.605 2.50 1935.50 0.603 5.41 1945.50 0.601 8.34 1955.50 0.600 11.29 1965.50 0.599 14.25 1975.50 0.599 17.21 1985.50 0.600 20.16 1995.50 0.602 23.11 2005.50 0.604 26.03 2015.50 0.607 28.93 2025.50 0.611 31.79 2035.50 0.616 34.61 2045.50 0.621 37.39 2055.50 0.628 40.11 2065.50 0.635 42.78 2075.50 0.642 45.39 2085.50 0.650 47.93 2095.50 0.659 50.41 2105.50 0.668 52.83 2115.50 0.678 55.17 2125.50 0.688 57.45 2135.50 0.699 59.66 2145.50 0.710 61.80 2155.50 0.721 63.88 2165.50 0.732 65.89 2175.50 0.744 67.84 2185.50 0.756 69.73 2195.50 0.768 71.56 2205.50 0.780 73.33 2215.50 0.792 75.05 2225.50 0.804 76.72 2235.50 0.816 78.34 2245.50 0.828 79.91 2255.50 0.840 81.44 2265.50 0.852 82.92 2275.50 0.863 84.37 2285.50 0.875 85.78 2295.50 0.886 87.15 2305.50 0.897 88.49 2315.50 0.907 89.79 2325.50 0.917 91.07 2335.50 0.927 92.32 2345.50 0.937 93.54 2355.50 0.946 94.74 2365.50 0.954 95.92 2375.50 0.963 97.07 2385.50 0.970 98.21 2395.50 0.977 99.33 2405.50 0.984 100.44 2415.50 0.990 101.53 2425.50 0.995 102.60 2435.50 1.000 103.67 2445.50 1.004 104.73 2455.50 1.008 105.78 2465.50 1.011 106.82 2475.50 1.013 107.86 2485.50 1.014 108.89 2495.50 1.015 109.93 2505.50 1.014 110.96 2515.50 1.013 111.99 2525.50 1.011 113.03 2535.50 1.008 114.07 2545.50 1.004 115.12 2555.50 0.999 116.18 2565.50 0.993 117.25 2575.50 0.986 118.34 2585.50 0.978 119.44 2595.50 0.969 120.56 2605.50 0.958 121.71 2615.50 0.946 122.88 2625.50 0.933 124.08 2635.50 0.919 125.32 2645.50 0.904 126.60 2655.50 0.887 127.92
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:55:45 |