| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:19:52 |
| WDS: | STT430 | WDS ID/Discoverer |
| P: | 2504.000 | Orbital period (years) |
| a: | 4.094 | Semi-major axis (arcseconds) |
| i: | 100.9 | Inclination (degrees) |
| Ω: | 113.3 | Longitude of ascending node (degrees) |
| T: | 3132.400 | Epoch of periastron passage (year) |
| e: | 0.806 | Eccentricity |
| ω: | 88.5 | Longitude of periastron (degrees) |
| Start-Year: | 773.0 | Year |
| End-Year: | 3277.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 211159.52+241005.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21120+2410 | WDS designation |
| Discoverer Code: | STT430 | Discover designation and components |
| ADS number: | 14738 | Aitken Double Star catalog |
| HD number: | 201889 | HD catalog number |
| Hipparcos number: | 104660 | Hipparcos catalog number |
| V1: | 8.27 | Magnitude of the primary |
| V2: | 10.24 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 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 1.415 191.3 ------------------------- 773.0 2.173 286.9 783.0 2.225 286.4 793.0 2.271 285.8 803.0 2.313 285.3 813.0 2.350 284.8 823.0 2.384 284.3 833.0 2.415 283.9 843.0 2.442 283.4 853.0 2.467 283.0 863.0 2.488 282.5 873.0 2.508 282.1 883.0 2.525 281.7 893.0 2.540 281.2 903.0 2.553 280.8 913.0 2.565 280.4 923.0 2.574 280.0 933.0 2.582 279.6 943.0 2.589 279.2 953.0 2.594 278.8 963.0 2.598 278.4 973.0 2.600 278.0 983.0 2.601 277.6 993.0 2.602 277.2 1003.0 2.601 276.8 1013.0 2.599 276.4 1023.0 2.596 276.0 1033.0 2.592 275.6 1043.0 2.588 275.2 1053.0 2.583 274.8 1063.0 2.576 274.4 1073.0 2.569 274.0 1083.0 2.562 273.6 1093.0 2.554 273.2 1103.0 2.545 272.7 1113.0 2.535 272.3 1123.0 2.525 271.9 1133.0 2.514 271.5 1143.0 2.503 271.1 1153.0 2.492 270.6 1163.0 2.479 270.2 1173.0 2.467 269.7 1183.0 2.454 269.3 1193.0 2.440 268.9 1203.0 2.426 268.4 1213.0 2.412 267.9 1223.0 2.398 267.5 1233.0 2.383 267.0 1243.0 2.368 266.5 1253.0 2.352 266.0 1263.0 2.336 265.5 1273.0 2.320 265.0 1283.0 2.304 264.5 1293.0 2.287 264.0 1303.0 2.270 263.5 1313.0 2.253 263.0 1323.0 2.236 262.4 1333.0 2.219 261.9 1343.0 2.201 261.4 1353.0 2.184 260.8 1363.0 2.166 260.2 1373.0 2.148 259.6 1383.0 2.130 259.1 1393.0 2.112 258.5 1403.0 2.094 257.8 1413.0 2.075 257.2 1423.0 2.057 256.6 1433.0 2.039 255.9 1443.0 2.020 255.3 1453.0 2.002 254.6 1463.0 1.983 253.9 1473.0 1.965 253.3 1483.0 1.947 252.5 1493.0 1.928 251.8 1503.0 1.910 251.1 1513.0 1.892 250.3 1523.0 1.874 249.6 1533.0 1.856 248.8 1543.0 1.838 248.0 1553.0 1.820 247.2 1563.0 1.802 246.4 1573.0 1.785 245.6 1583.0 1.768 244.7 1593.0 1.751 243.8 1603.0 1.734 242.9 1613.0 1.717 242.0 1623.0 1.701 241.1 1633.0 1.684 240.2 1643.0 1.668 239.2 1653.0 1.653 238.2 1663.0 1.637 237.2 1673.0 1.622 236.2 1683.0 1.608 235.2 1693.0 1.593 234.1 1703.0 1.579 233.1 1713.0 1.566 232.0 1723.0 1.553 230.9 1733.0 1.540 229.7 1743.0 1.528 228.6 1753.0 1.516 227.4 1763.0 1.504 226.2 1773.0 1.493 225.0 1783.0 1.483 223.8 1793.0 1.473 222.6 1803.0 1.464 221.3 1813.0 1.455 220.1 1823.0 1.447 218.8 1833.0 1.439 217.5 1843.0 1.432 216.2 1853.0 1.426 214.9 1863.0 1.420 213.5 1873.0 1.414 212.2 1883.0 1.410 210.8 1893.0 1.406 209.5 1903.0 1.403 208.1 1913.0 1.400 206.7 1923.0 1.398 205.4 1933.0 1.397 204.0 1943.0 1.396 202.6 1953.0 1.396 201.2 1963.0 1.397 199.8 1973.0 1.398 198.4 1983.0 1.400 197.1 1993.0 1.402 195.7 2003.0 1.406 194.3 2013.0 1.410 193.0 2023.0 1.414 191.6 2033.0 1.419 190.3 2043.0 1.425 188.9 2053.0 1.432 187.6 2063.0 1.439 186.3 2073.0 1.446 185.0 2083.0 1.454 183.7 2093.0 1.463 182.4 2103.0 1.472 181.2 2113.0 1.482 180.0 2123.0 1.492 178.7 2133.0 1.503 177.5 2143.0 1.514 176.3 2153.0 1.526 175.2 2163.0 1.538 174.0 2173.0 1.551 172.9 2183.0 1.564 171.8 2193.0 1.577 170.7 2203.0 1.591 169.6 2213.0 1.605 168.6 2223.0 1.620 167.5 2233.0 1.635 166.5 2243.0 1.650 165.5 2253.0 1.665 164.5 2263.0 1.681 163.6 2273.0 1.696 162.6 2283.0 1.713 161.7 2293.0 1.729 160.8 2303.0 1.745 159.9 2313.0 1.762 159.0 2323.0 1.779 158.1 2333.0 1.796 157.3 2343.0 1.813 156.5 2353.0 1.830 155.7 2363.0 1.848 154.9 2373.0 1.865 154.1 2383.0 1.883 153.3 2393.0 1.900 152.6 2403.0 1.918 151.8 2413.0 1.935 151.1 2423.0 1.953 150.4 2433.0 1.970 149.7 2443.0 1.988 149.0 2453.0 2.005 148.3 2463.0 2.022 147.6 2473.0 2.040 147.0 2483.0 2.057 146.4 2493.0 2.074 145.7 2503.0 2.091 145.1 2513.0 2.108 144.5 2523.0 2.124 143.9 2533.0 2.141 143.3 2543.0 2.157 142.7 2553.0 2.173 142.1 2563.0 2.188 141.6 2573.0 2.204 141.0 2583.0 2.219 140.5 2593.0 2.234 139.9 2603.0 2.248 139.4 2613.0 2.262 138.8 2623.0 2.276 138.3 2633.0 2.289 137.8 2643.0 2.302 137.3 2653.0 2.315 136.8 2663.0 2.327 136.3 2673.0 2.338 135.8 2683.0 2.349 135.3 2693.0 2.359 134.8 2703.0 2.369 134.3 2713.0 2.378 133.8 2723.0 2.386 133.4 2733.0 2.394 132.9 2743.0 2.401 132.4 2753.0 2.407 132.0 2763.0 2.412 131.5 2773.0 2.417 131.0 2783.0 2.420 130.6 2793.0 2.422 130.1 2803.0 2.423 129.7 2813.0 2.423 129.2 2823.0 2.422 128.7 2833.0 2.420 128.3 2843.0 2.416 127.8 2853.0 2.410 127.4 2863.0 2.403 126.9 2873.0 2.394 126.4 2883.0 2.383 125.9 2893.0 2.370 125.5 2903.0 2.356 125.0 2913.0 2.338 124.5 2923.0 2.318 124.0 2933.0 2.295 123.5 2943.0 2.270 123.0 2953.0 2.240 122.4 2963.0 2.207 121.9 2973.0 2.170 121.3 2983.0 2.128 120.7 2993.0 2.081 120.1 3003.0 2.028 119.5 3013.0 1.968 118.8 3023.0 1.901 118.1 3033.0 1.825 117.3 3043.0 1.738 116.5 3053.0 1.639 115.5 3063.0 1.525 114.5 3073.0 1.394 113.2 3083.0 1.241 111.6 3093.0 1.062 109.6 3103.0 0.852 106.6 3113.0 0.609 101.5 3123.0 0.342 88.6 3133.0 0.150 24.1 3143.0 0.340 318.5 3153.0 0.607 305.5 3163.0 0.853 300.3 3173.0 1.066 297.4 3183.0 1.250 295.3 3193.0 1.409 293.8 3203.0 1.547 292.6 3213.0 1.667 291.5 3223.0 1.773 290.6 3233.0 1.867 289.8 3243.0 1.950 289.1 3253.0 2.025 288.4 3263.0 2.091 287.7 3273.0 2.151 287.1