| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:44:08 |
| WDS: | STF2135AB | WDS ID/Discoverer |
| P: | 2228.985 | Orbital period (years) |
| a: | 23.83872 | Semi-major axis (arcseconds) |
| i: | 80.053 | Inclination (degrees) |
| Ω: | 40.759 | Longitude of ascending node (degrees) |
| T: | 2283.747 | Epoch of periastron passage (year) |
| e: | 0.80812 | Eccentricity |
| ω: | 252.621 | Longitude of periastron (degrees) |
| Start-Year: | 911.0 | Year |
| End-Year: | 3139.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 171206.06+211344.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17121+2114 | WDS designation |
| Discoverer Code: | STF2135AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 7.59 | Magnitude of the primary |
| V2: | 8.88 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 8.733 195.2 ------------------------- 911.0 18.764 61.0 921.0 18.631 61.3 931.0 18.496 61.6 941.0 18.359 61.8 951.0 18.219 62.1 961.0 18.077 62.4 971.0 17.933 62.7 981.0 17.787 63.0 991.0 17.639 63.3 1001.0 17.489 63.6 1011.0 17.337 63.9 1021.0 17.183 64.2 1031.0 17.027 64.5 1041.0 16.869 64.8 1051.0 16.710 65.2 1061.0 16.548 65.5 1071.0 16.385 65.9 1081.0 16.221 66.2 1091.0 16.055 66.6 1101.0 15.887 66.9 1111.0 15.718 67.3 1121.0 15.547 67.7 1131.0 15.375 68.1 1141.0 15.202 68.5 1151.0 15.027 68.9 1161.0 14.851 69.3 1171.0 14.674 69.7 1181.0 14.496 70.2 1191.0 14.317 70.6 1201.0 14.136 71.1 1211.0 13.955 71.6 1221.0 13.773 72.0 1231.0 13.590 72.5 1241.0 13.406 73.1 1251.0 13.222 73.6 1261.0 13.037 74.1 1271.0 12.851 74.7 1281.0 12.665 75.3 1291.0 12.478 75.8 1301.0 12.291 76.5 1311.0 12.104 77.1 1321.0 11.916 77.7 1331.0 11.729 78.4 1341.0 11.541 79.1 1351.0 11.354 79.8 1361.0 11.166 80.5 1371.0 10.979 81.3 1381.0 10.793 82.1 1391.0 10.607 82.9 1401.0 10.422 83.7 1411.0 10.237 84.6 1421.0 10.054 85.5 1431.0 9.871 86.5 1441.0 9.690 87.4 1451.0 9.511 88.5 1461.0 9.332 89.5 1471.0 9.156 90.6 1481.0 8.982 91.7 1491.0 8.810 92.9 1501.0 8.641 94.1 1511.0 8.474 95.4 1521.0 8.310 96.7 1531.0 8.149 98.1 1541.0 7.992 99.6 1551.0 7.839 101.0 1561.0 7.690 102.6 1571.0 7.546 104.2 1581.0 7.406 105.9 1591.0 7.272 107.6 1601.0 7.143 109.4 1611.0 7.020 111.3 1621.0 6.903 113.2 1631.0 6.793 115.2 1641.0 6.690 117.2 1651.0 6.595 119.4 1661.0 6.508 121.5 1671.0 6.429 123.8 1681.0 6.358 126.1 1691.0 6.297 128.4 1701.0 6.245 130.8 1711.0 6.202 133.2 1721.0 6.169 135.6 1731.0 6.146 138.1 1741.0 6.132 140.6 1751.0 6.129 143.0 1761.0 6.136 145.5 1771.0 6.152 148.0 1781.0 6.178 150.5 1791.0 6.214 152.9 1801.0 6.259 155.3 1811.0 6.313 157.7 1821.0 6.376 160.0 1831.0 6.447 162.3 1841.0 6.525 164.5 1851.0 6.611 166.6 1861.0 6.704 168.7 1871.0 6.803 170.8 1881.0 6.908 172.8 1891.0 7.019 174.7 1901.0 7.134 176.6 1911.0 7.253 178.4 1921.0 7.376 180.1 1931.0 7.502 181.8 1941.0 7.631 183.4 1951.0 7.762 185.0 1961.0 7.894 186.5 1971.0 8.027 188.0 1981.0 8.161 189.4 1991.0 8.293 190.8 2001.0 8.425 192.2 2011.0 8.555 193.5 2021.0 8.683 194.7 2031.0 8.808 195.9 2041.0 8.928 197.1 2051.0 9.043 198.3 2061.0 9.153 199.4 2071.0 9.255 200.5 2081.0 9.349 201.6 2091.0 9.434 202.6 2101.0 9.507 203.7 2111.0 9.567 204.7 2121.0 9.613 205.7 2131.0 9.640 206.7 2141.0 9.648 207.7 2151.0 9.631 208.7 2161.0 9.586 209.8 2171.0 9.508 210.8 2181.0 9.390 211.8 2191.0 9.224 212.9 2201.0 8.999 214.0 2211.0 8.700 215.2 2221.0 8.310 216.5 2231.0 7.801 217.9 2241.0 7.140 219.6 2251.0 6.277 221.7 2261.0 5.156 224.5 2271.0 3.728 229.3 2281.0 2.033 241.6 2291.0 0.813 316.9 2301.0 2.226 19.3 2311.0 3.975 29.8 2321.0 5.567 34.0 2331.0 6.977 36.4 2341.0 8.224 38.0 2351.0 9.331 39.3 2361.0 10.323 40.2 2371.0 11.215 41.0 2381.0 12.024 41.7 2391.0 12.761 42.3 2401.0 13.435 42.9 2411.0 14.055 43.4 2421.0 14.626 43.8 2431.0 15.153 44.2 2441.0 15.642 44.6 2451.0 16.096 45.0 2461.0 16.518 45.4 2471.0 16.910 45.7 2481.0 17.276 46.0 2491.0 17.618 46.3 2501.0 17.937 46.6 2511.0 18.234 46.9 2521.0 18.512 47.2 2531.0 18.771 47.5 2541.0 19.013 47.7 2551.0 19.239 48.0 2561.0 19.450 48.2 2571.0 19.646 48.5 2581.0 19.829 48.7 2591.0 19.999 48.9 2601.0 20.156 49.2 2611.0 20.302 49.4 2621.0 20.436 49.6 2631.0 20.560 49.8 2641.0 20.674 50.1 2651.0 20.778 50.3 2661.0 20.873 50.5 2671.0 20.959 50.7 2681.0 21.036 50.9 2691.0 21.105 51.1 2701.0 21.166 51.3 2711.0 21.220 51.5 2721.0 21.266 51.8 2731.0 21.305 52.0 2741.0 21.337 52.2 2751.0 21.363 52.4 2761.0 21.382 52.6 2771.0 21.395 52.8 2781.0 21.402 53.0 2791.0 21.403 53.2 2801.0 21.399 53.4 2811.0 21.389 53.6 2821.0 21.373 53.8 2831.0 21.353 54.0 2841.0 21.327 54.2 2851.0 21.297 54.4 2861.0 21.261 54.6 2871.0 21.222 54.8 2881.0 21.177 55.0 2891.0 21.129 55.2 2901.0 21.076 55.5 2911.0 21.018 55.7 2921.0 20.957 55.9 2931.0 20.892 56.1 2941.0 20.823 56.3 2951.0 20.750 56.5 2961.0 20.673 56.7 2971.0 20.593 57.0 2981.0 20.509 57.2 2991.0 20.422 57.4 3001.0 20.332 57.6 3011.0 20.238 57.9 3021.0 20.141 58.1 3031.0 20.041 58.3 3041.0 19.938 58.6 3051.0 19.831 58.8 3061.0 19.722 59.0 3071.0 19.610 59.3 3081.0 19.495 59.5 3091.0 19.378 59.8 3101.0 19.258 60.0 3111.0 19.135 60.3 3121.0 19.009 60.5 3131.0 18.881 60.8