| WDS: | BU581AB | WDS ID/Discoverer |
| P: | 44.690 | Orbital period (years) |
| a: | 0.475 | Semi-major axis (arcseconds) |
| i: | 54.9 | Inclination (degrees) |
| Ω: | 113.8 | Longitude of ascending node (degrees) |
| T: | 1999.510 | Epoch of periastron passage (year) |
| e: | 0.429 | Eccentricity |
| ω: | 295.7 | Longitude of periastron (degrees) |
| Start-Year: | 2002.655 | Year |
| End-Year: | 2047.345 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU581AB |
||
| Position: | 080423.10+121723.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 08044+1217 | WDS designation |
| Discoverer Code: | BU581AB | Discover designation and components |
| ADS number: | 6554 | Aitken Double Star catalog |
| HD number: | 66509 | HD catalog number |
| Hipparcos number: | 39495 | Hipparcos catalog number |
| V1: | 8.46 | Magnitude of the primary |
| V2: | 8.83 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 1997 | Date of last observation |
| Orbit grade: | 2 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Hrt2000b | 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 0.525 261.79 -------------------------- 2002.65 0.323 112.54 2002.75 0.326 113.44 2002.85 0.328 114.32 2002.95 0.331 115.19 2003.05 0.334 116.04 2003.15 0.336 116.88 2003.25 0.339 117.71 2003.35 0.341 118.53 2003.45 0.343 119.34 2003.55 0.345 120.14 2003.65 0.347 120.92 2003.75 0.349 121.70 2003.85 0.351 122.47 2003.95 0.352 123.24 2004.05 0.354 124.00 2004.15 0.355 124.75 2004.25 0.357 125.49 2004.35 0.358 126.23 2004.45 0.359 126.97 2004.55 0.360 127.70 2004.65 0.361 128.42 2004.75 0.362 129.14 2004.85 0.363 129.86 2004.95 0.364 130.57 2005.05 0.365 131.29 2005.15 0.365 131.99 2005.25 0.366 132.70 2005.35 0.366 133.41 2005.45 0.367 134.11 2005.55 0.367 134.81 2005.65 0.368 135.51 2005.75 0.368 136.20 2005.85 0.368 136.90 2005.95 0.368 137.60 2006.05 0.369 138.29 2006.15 0.369 138.99 2006.25 0.369 139.68 2006.35 0.369 140.38 2006.45 0.369 141.07 2006.55 0.369 141.76 2006.65 0.369 142.46 2006.75 0.368 143.15 2006.85 0.368 143.85 2006.95 0.368 144.55 2007.05 0.368 145.24 2007.15 0.368 145.94 2007.25 0.367 146.64 2007.35 0.367 147.34 2007.45 0.367 148.04 2007.55 0.367 148.74 2007.65 0.366 149.45 2007.75 0.366 150.15 2007.85 0.365 150.86 2007.95 0.365 151.56 2008.05 0.365 152.27 2008.15 0.364 152.98 2008.25 0.364 153.70 2008.35 0.363 154.41 2008.45 0.363 155.13 2008.55 0.362 155.84 2008.65 0.362 156.56 2008.75 0.362 157.28 2008.85 0.361 158.01 2008.95 0.361 158.73 2009.05 0.360 159.46 2009.15 0.360 160.19 2009.25 0.359 160.92 2009.35 0.359 161.65 2009.45 0.358 162.38 2009.55 0.358 163.12 2009.65 0.358 163.86 2009.75 0.357 164.60 2009.85 0.357 165.34 2009.95 0.356 166.08 2010.05 0.356 166.82 2010.15 0.356 167.57 2010.25 0.355 168.32 2010.35 0.355 169.07 2010.45 0.355 169.82 2010.55 0.354 170.57 2010.65 0.354 171.32 2010.75 0.354 172.07 2010.85 0.353 172.83 2010.95 0.353 173.59 2011.05 0.353 174.34 2011.15 0.353 175.10 2011.25 0.353 175.86 2011.35 0.352 176.62 2011.45 0.352 177.38 2011.55 0.352 178.14 2011.65 0.352 178.91 2011.75 0.352 179.67 2011.85 0.352 180.43 2011.95 0.352 181.19 2012.05 0.352 181.96 2012.15 0.352 182.72 2012.25 0.352 183.48 2012.35 0.352 184.24 2012.45 0.352 185.01 2012.55 0.352 185.77 2012.65 0.352 186.53 2012.75 0.352 187.29 2012.85 0.353 188.05 2012.95 0.353 188.81 2013.05 0.353 189.57 2013.15 0.353 190.32 2013.25 0.354 191.08 2013.35 0.354 191.83 2013.45 0.354 192.58 2013.55 0.355 193.34 2013.65 0.355 194.08 2013.75 0.356 194.83 2013.85 0.356 195.58 2013.95 0.357 196.32 2014.05 0.357 197.06 2014.15 0.358 197.80 2014.25 0.358 198.54 2014.35 0.359 199.27 2014.45 0.360 200.00 2014.55 0.360 200.73 2014.65 0.361 201.46 2014.75 0.362 202.18 2014.85 0.362 202.90 2014.95 0.363 203.62 2015.05 0.364 204.34 2015.15 0.365 205.05 2015.25 0.366 205.76 2015.35 0.366 206.46 2015.45 0.367 207.16 2015.55 0.368 207.86 2015.65 0.369 208.55 2015.75 0.370 209.24 2015.85 0.371 209.93 2015.95 0.372 210.61 2016.05 0.373 211.29 2016.15 0.374 211.97 2016.25 0.375 212.64 2016.35 0.377 213.31 2016.45 0.378 213.97 2016.55 0.379 214.63 2016.65 0.380 215.29 2016.75 0.381 215.94 2016.85 0.382 216.59 2016.95 0.384 217.23 2017.05 0.385 217.87 2017.15 0.386 218.51 2017.25 0.387 219.14 2017.35 0.389 219.76 2017.45 0.390 220.39 2017.55 0.391 221.01 2017.65 0.393 221.62 2017.75 0.394 222.23 2017.85 0.396 222.83 2017.95 0.397 223.44 2018.05 0.398 224.03 2018.15 0.400 224.63 2018.25 0.401 225.21 2018.35 0.403 225.80 2018.45 0.404 226.38 2018.55 0.406 226.95 2018.65 0.407 227.53 2018.75 0.409 228.09 2018.85 0.410 228.66 2018.95 0.412 229.21 2019.05 0.413 229.77 2019.15 0.415 230.32 2019.25 0.416 230.87 2019.35 0.418 231.41 2019.45 0.420 231.95 2019.55 0.421 232.48 2019.65 0.423 233.01 2019.75 0.424 233.54 2019.85 0.426 234.06 2019.95 0.428 234.58 2020.05 0.429 235.09 2020.15 0.431 235.60 2020.25 0.432 236.11 2020.35 0.434 236.61 2020.45 0.436 237.11 2020.55 0.437 237.61 2020.65 0.439 238.10 2020.75 0.441 238.59 2020.85 0.442 239.07 2020.95 0.444 239.55 2021.05 0.445 240.03 2021.15 0.447 240.51 2021.25 0.449 240.98 2021.35 0.450 241.44 2021.45 0.452 241.91 2021.55 0.454 242.37 2021.65 0.455 242.82 2021.75 0.457 243.28 2021.85 0.459 243.73 2021.95 0.460 244.18 2022.05 0.462 244.62 2022.15 0.464 245.06 2022.25 0.465 245.50 2022.35 0.467 245.93 2022.45 0.468 246.37 2022.55 0.470 246.79 2022.65 0.472 247.22 2022.75 0.473 247.64 2022.85 0.475 248.06 2022.95 0.476 248.48 2023.05 0.478 248.90 2023.15 0.479 249.31 2023.25 0.481 249.72 2023.35 0.483 250.12 2023.45 0.484 250.53 2023.55 0.486 250.93 2023.65 0.487 251.33 2023.75 0.489 251.72 2023.85 0.490 252.12 2023.95 0.492 252.51 2024.05 0.493 252.90 2024.15 0.495 253.29 2024.25 0.496 253.67 2024.35 0.498 254.05 2024.45 0.499 254.43 2024.55 0.500 254.81 2024.65 0.502 255.19 2024.75 0.503 255.56 2024.85 0.505 255.93 2024.95 0.506 256.30 2025.05 0.507 256.67 2025.15 0.509 257.04 2025.25 0.510 257.40 2025.35 0.511 257.76 2025.45 0.512 258.12 2025.55 0.514 258.48 2025.65 0.515 258.84 2025.75 0.516 259.19 2025.85 0.517 259.55 2025.95 0.519 259.90 2026.05 0.520 260.25 2026.15 0.521 260.60 2026.25 0.522 260.95 2026.35 0.523 261.29 2026.45 0.524 261.64 2026.55 0.525 261.98 2026.65 0.527 262.32 2026.75 0.528 262.66 2026.85 0.529 263.00 2026.95 0.530 263.33 2027.05 0.531 263.67 2027.15 0.532 264.01 2027.25 0.532 264.34 2027.35 0.533 264.67 2027.45 0.534 265.00 2027.55 0.535 265.33 2027.65 0.536 265.66 2027.75 0.537 265.99 2027.85 0.538 266.32 2027.95 0.538 266.64 2028.05 0.539 266.97 2028.15 0.540 267.29 2028.25 0.540 267.62 2028.35 0.541 267.94 2028.45 0.542 268.26 2028.55 0.542 268.58 2028.65 0.543 268.90 2028.75 0.543 269.22 2028.85 0.544 269.54 2028.95 0.544 269.86 2029.05 0.545 270.18 2029.15 0.545 270.50 2029.25 0.546 270.81 2029.35 0.546 271.13 2029.45 0.546 271.45 2029.55 0.547 271.76 2029.65 0.547 272.08 2029.75 0.547 272.39 2029.85 0.547 272.71 2029.95 0.548 273.02 2030.05 0.548 273.34 2030.15 0.548 273.65 2030.25 0.548 273.97 2030.35 0.548 274.28 2030.45 0.548 274.60 2030.55 0.548 274.91 2030.65 0.548 275.23 2030.75 0.548 275.54 2030.85 0.548 275.86 2030.95 0.547 276.17 2031.05 0.547 276.49 2031.15 0.547 276.80 2031.25 0.547 277.12 2031.35 0.546 277.43 2031.45 0.546 277.75 2031.55 0.546 278.07 2031.65 0.545 278.38 2031.75 0.545 278.70 2031.85 0.544 279.02 2031.95 0.543 279.34 2032.05 0.543 279.66 2032.15 0.542 279.98 2032.25 0.541 280.30 2032.35 0.541 280.62 2032.45 0.540 280.95 2032.55 0.539 281.27 2032.65 0.538 281.60 2032.75 0.537 281.92 2032.85 0.536 282.25 2032.95 0.535 282.58 2033.05 0.534 282.91 2033.15 0.533 283.24 2033.25 0.532 283.58 2033.35 0.530 283.91 2033.45 0.529 284.25 2033.55 0.528 284.59 2033.65 0.526 284.93 2033.75 0.525 285.27 2033.85 0.523 285.61 2033.95 0.522 285.96 2034.05 0.520 286.30 2034.15 0.519 286.65 2034.25 0.517 287.01 2034.35 0.515 287.36 2034.45 0.513 287.72 2034.55 0.511 288.08 2034.65 0.509 288.44 2034.75 0.507 288.81 2034.85 0.505 289.17 2034.95 0.503 289.54 2035.05 0.501 289.92 2035.15 0.499 290.30 2035.25 0.497 290.68 2035.35 0.494 291.06 2035.45 0.492 291.45 2035.55 0.489 291.84 2035.65 0.487 292.24 2035.75 0.484 292.64 2035.85 0.481 293.05 2035.95 0.479 293.46 2036.05 0.476 293.87 2036.15 0.473 294.29 2036.25 0.470 294.72 2036.35 0.467 295.15 2036.45 0.464 295.58 2036.55 0.460 296.02 2036.65 0.457 296.47 2036.75 0.454 296.93 2036.85 0.450 297.39 2036.95 0.447 297.86 2037.05 0.443 298.33 2037.15 0.440 298.82 2037.25 0.436 299.31 2037.35 0.432 299.81 2037.45 0.429 300.32 2037.55 0.425 300.84 2037.65 0.421 301.37 2037.75 0.417 301.91 2037.85 0.412 302.46 2037.95 0.408 303.02 2038.05 0.404 303.59 2038.15 0.399 304.18 2038.25 0.395 304.77 2038.35 0.390 305.39 2038.45 0.386 306.01 2038.55 0.381 306.66 2038.65 0.376 307.31 2038.75 0.371 307.99 2038.85 0.366 308.68 2038.95 0.361 309.40 2039.05 0.356 310.13 2039.15 0.351 310.88 2039.25 0.346 311.66 2039.35 0.341 312.46 2039.45 0.335 313.29 2039.55 0.330 314.14 2039.65 0.324 315.02 2039.75 0.319 315.93 2039.85 0.313 316.88 2039.95 0.308 317.86 2040.05 0.302 318.88 2040.15 0.296 319.93 2040.25 0.290 321.03 2040.35 0.284 322.18 2040.45 0.278 323.37 2040.55 0.273 324.61 2040.65 0.267 325.91 2040.75 0.261 327.27 2040.85 0.255 328.69 2040.95 0.249 330.18 2041.05 0.243 331.74 2041.15 0.237 333.38 2041.25 0.231 335.10 2041.35 0.226 336.91 2041.45 0.220 338.81 2041.55 0.214 340.82 2041.65 0.209 342.93 2041.75 0.204 345.15 2041.85 0.198 347.48 2041.95 0.194 349.94 2042.05 0.189 352.52 2042.15 0.184 355.24 2042.25 0.180 358.08 2042.35 0.176 1.05 2042.45 0.173 4.15 2042.55 0.170 7.37 2042.65 0.167 10.70 2042.75 0.165 14.14 2042.85 0.163 17.66 2042.95 0.161 21.26 2043.05 0.161 24.90 2043.15 0.160 28.58 2043.25 0.160 32.26 2043.35 0.161 35.92 2043.45 0.162 39.55 2043.55 0.164 43.12 2043.65 0.166 46.60 2043.75 0.168 50.00 2043.85 0.171 53.29 2043.95 0.174 56.47 2044.05 0.178 59.52 2044.15 0.181 62.45 2044.25 0.186 65.26 2044.35 0.190 67.94 2044.45 0.194 70.49 2044.55 0.199 72.93 2044.65 0.204 75.26 2044.75 0.209 77.48 2044.85 0.214 79.59 2044.95 0.219 81.61 2045.05 0.224 83.53 2045.15 0.229 85.37 2045.25 0.234 87.13 2045.35 0.239 88.81 2045.45 0.244 90.43 2045.55 0.249 91.98 2045.65 0.254 93.46 2045.75 0.259 94.90 2045.85 0.264 96.27 2045.95 0.269 97.60 2046.05 0.273 98.89 2046.15 0.278 100.13 2046.25 0.282 101.33 2046.35 0.287 102.50 2046.45 0.291 103.63 2046.55 0.295 104.73 2046.65 0.299 105.81 2046.75 0.303 106.85 2046.85 0.306 107.87 2046.95 0.310 108.86 2047.05 0.313 109.83 2047.15 0.317 110.79 2047.25 0.320 111.72
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 16:04:06 |