| WDS: | STF2308AB | WDS ID/Discoverer |
| P: | 18000.000 | Orbital period (years) |
| a: | 24.74 | Semi-major axis (arcseconds) |
| i: | 162.0 | Inclination (degrees) |
| Ω: | 233.0 | Longitude of ascending node (degrees) |
| T: | 3381.000 | Epoch of periastron passage (year) |
| e: | 0.84 | Eccentricity |
| ω: | 138.0 | Longitude of periastron (degrees) |
| Start-Year: | -6975.0 | Year |
| End-Year: | 11025.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF2308AB |
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| Position: | 180009.07+800013.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18002+8000 | WDS designation |
| Discoverer Code: | STF2308AB | Discover designation and components |
| ADS number: | 11061 | Aitken Double Star catalog |
| HD number: | 166866 | HD catalog number |
| Hipparcos number: | 88136 | Hipparcos catalog number |
| V1: | 5.70 | Magnitude of the primary |
| V2: | 6.00 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | Date of last observation | |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Kis1996 | 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 18.717 231.72 -------------------------- -6975.00 43.694 277.95 -6875.00 43.803 277.62 -6775.00 43.904 277.30 -6675.00 43.998 276.97 -6575.00 44.084 276.64 -6475.00 44.163 276.32 -6375.00 44.235 275.99 -6275.00 44.299 275.67 -6175.00 44.356 275.35 -6075.00 44.405 275.03 -5975.00 44.447 274.71 -5875.00 44.482 274.39 -5775.00 44.510 274.07 -5675.00 44.530 273.75 -5575.00 44.543 273.43 -5475.00 44.548 273.12 -5375.00 44.546 272.80 -5275.00 44.537 272.48 -5175.00 44.520 272.16 -5075.00 44.496 271.84 -4975.00 44.465 271.52 -4875.00 44.426 271.20 -4775.00 44.380 270.88 -4675.00 44.326 270.56 -4575.00 44.265 270.24 -4475.00 44.197 269.92 -4375.00 44.121 269.59 -4275.00 44.037 269.27 -4175.00 43.946 268.94 -4075.00 43.847 268.61 -3975.00 43.740 268.28 -3875.00 43.626 267.95 -3775.00 43.504 267.62 -3675.00 43.374 267.29 -3575.00 43.237 266.95 -3475.00 43.091 266.61 -3375.00 42.938 266.27 -3275.00 42.776 265.92 -3175.00 42.607 265.58 -3075.00 42.429 265.23 -2975.00 42.243 264.88 -2875.00 42.049 264.52 -2775.00 41.846 264.16 -2675.00 41.635 263.80 -2575.00 41.416 263.43 -2475.00 41.187 263.06 -2375.00 40.950 262.69 -2275.00 40.705 262.31 -2175.00 40.450 261.92 -2075.00 40.186 261.54 -1975.00 39.914 261.14 -1875.00 39.631 260.74 -1775.00 39.340 260.34 -1675.00 39.039 259.93 -1575.00 38.728 259.51 -1475.00 38.408 259.08 -1375.00 38.077 258.65 -1275.00 37.736 258.21 -1175.00 37.385 257.77 -1075.00 37.024 257.31 -975.00 36.651 256.84 -875.00 36.268 256.37 -775.00 35.874 255.88 -675.00 35.468 255.39 -575.00 35.051 254.88 -475.00 34.622 254.36 -375.00 34.180 253.82 -275.00 33.727 253.28 -175.00 33.260 252.71 -75.00 32.781 252.13 25.00 32.288 251.54 125.00 31.781 250.92 225.00 31.260 250.29 325.00 30.724 249.63 425.00 30.173 248.95 525.00 29.607 248.24 625.00 29.024 247.50 725.00 28.425 246.74 825.00 27.808 245.94 925.00 27.174 245.10 1025.00 26.520 244.23 1125.00 25.847 243.31 1225.00 25.154 242.33 1325.00 24.439 241.31 1425.00 23.702 240.22 1525.00 22.941 239.05 1625.00 22.155 237.81 1725.00 21.343 236.48 1825.00 20.502 235.03 1925.00 19.632 233.46 2025.00 18.730 231.75 2125.00 17.794 229.85 2225.00 16.822 227.74 2325.00 15.809 225.37 2425.00 14.754 222.66 2525.00 13.652 219.53 2625.00 12.500 215.83 2725.00 11.294 211.36 2825.00 10.031 205.79 2925.00 8.711 198.56 3025.00 7.347 188.70 3125.00 5.978 174.30 3225.00 4.733 151.81 3325.00 3.945 117.03 3425.00 4.021 75.60 3525.00 4.832 42.46 3625.00 5.957 20.40 3725.00 7.171 5.60 3825.00 8.388 355.10 3925.00 9.578 347.25 4025.00 10.730 341.10 4125.00 11.840 336.13 4225.00 12.909 332.00 4325.00 13.940 328.49 4425.00 14.934 325.46 4525.00 15.893 322.80 4625.00 16.819 320.44 4725.00 17.715 318.32 4825.00 18.582 316.40 4925.00 19.422 314.65 5025.00 20.236 313.04 5125.00 21.026 311.56 5225.00 21.793 310.18 5325.00 22.538 308.89 5425.00 23.262 307.69 5525.00 23.966 306.56 5625.00 24.651 305.49 5725.00 25.318 304.48 5825.00 25.967 303.51 5925.00 26.599 302.60 6025.00 27.215 301.73 6125.00 27.815 300.89 6225.00 28.399 300.09 6325.00 28.969 299.33 6425.00 29.524 298.59 6525.00 30.066 297.88 6625.00 30.594 297.19 6725.00 31.109 296.53 6825.00 31.610 295.88 6925.00 32.100 295.26 7025.00 32.577 294.66 7125.00 33.042 294.07 7225.00 33.496 293.50 7325.00 33.938 292.94 7425.00 34.369 292.40 7525.00 34.789 291.87 7625.00 35.198 291.36 7725.00 35.597 290.85 7825.00 35.985 290.36 7925.00 36.363 289.88 8025.00 36.731 289.40 8125.00 37.089 288.94 8225.00 37.438 288.49 8325.00 37.777 288.04 8425.00 38.107 287.60 8525.00 38.427 287.17 8625.00 38.738 286.74 8725.00 39.040 286.33 8825.00 39.334 285.92 8925.00 39.618 285.51 9025.00 39.894 285.11 9125.00 40.161 284.72 9225.00 40.419 284.33 9325.00 40.669 283.94 9425.00 40.911 283.56 9525.00 41.145 283.19 9625.00 41.370 282.82 9725.00 41.587 282.45 9825.00 41.796 282.09 9925.00 41.997 281.73 10025.00 42.190 281.37 10125.00 42.375 281.02 10225.00 42.552 280.67 10325.00 42.722 280.32 10425.00 42.884 279.97 10525.00 43.038 279.63 10625.00 43.184 279.29 10725.00 43.323 278.95 10825.00 43.454 278.62 10925.00 43.578 278.29
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:45:57 |