| WDS: | A431AB | WDS ID/Discoverer |
| P: | 53.300 | Orbital period (years) |
| a: | 0.362 | Semi-major axis (arcseconds) |
| i: | 109.8 | Inclination (degrees) |
| Ω: | 26.1 | Longitude of ascending node (degrees) |
| T: | 2003.750 | Epoch of periastron passage (year) |
| e: | 0.636 | Eccentricity |
| ω: | 295.2 | Longitude of periastron (degrees) |
| Start-Year: | 1998.35 | Year |
| End-Year: | 2051.65 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A431AB |
||
| Position: | 002707.77-075233.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00271-0753 | WDS designation |
| Discoverer Code: | A431AB | Discover designation and components |
| ADS number: | 363 | Aitken Double Star catalog |
| HD number: | 2333 | HD catalog number |
| Hipparcos number: | 2143 | Hipparcos catalog number |
| V1: | 8.84 | Magnitude of the primary |
| V2: | 8.95 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2022 | Date of last observation |
| Orbit grade: | 2 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Doc2023a | 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 0.258 253.11 -------------------------- 1998.35 0.287 205.34 1998.45 0.283 205.06 1998.55 0.280 204.76 1998.65 0.276 204.46 1998.75 0.272 204.16 1998.85 0.269 203.84 1998.95 0.265 203.51 1999.05 0.261 203.18 1999.15 0.257 202.83 1999.25 0.253 202.48 1999.35 0.249 202.11 1999.45 0.245 201.73 1999.55 0.240 201.34 1999.65 0.236 200.93 1999.75 0.231 200.50 1999.85 0.227 200.06 1999.95 0.222 199.60 2000.05 0.217 199.12 2000.15 0.212 198.62 2000.25 0.207 198.09 2000.35 0.202 197.54 2000.45 0.197 196.96 2000.55 0.191 196.34 2000.65 0.186 195.69 2000.75 0.180 195.00 2000.85 0.175 194.27 2000.95 0.169 193.49 2001.05 0.163 192.65 2001.15 0.157 191.74 2001.25 0.151 190.77 2001.35 0.145 189.70 2001.45 0.138 188.55 2001.55 0.132 187.28 2001.65 0.125 185.88 2001.75 0.119 184.33 2001.85 0.112 182.59 2001.95 0.105 180.64 2002.05 0.099 178.42 2002.15 0.092 175.88 2002.25 0.085 172.94 2002.35 0.079 169.51 2002.45 0.073 165.48 2002.55 0.067 160.69 2002.65 0.061 154.99 2002.75 0.056 148.20 2002.85 0.052 140.18 2002.95 0.049 130.94 2003.05 0.047 120.69 2003.15 0.046 109.94 2003.25 0.047 99.35 2003.35 0.050 89.53 2003.45 0.054 80.85 2003.55 0.058 73.41 2003.65 0.063 67.13 2003.75 0.069 61.85 2003.85 0.075 57.39 2003.95 0.081 53.60 2004.05 0.088 50.35 2004.15 0.094 47.54 2004.25 0.100 45.07 2004.35 0.106 42.89 2004.45 0.112 40.94 2004.55 0.118 39.19 2004.65 0.123 37.60 2004.75 0.129 36.14 2004.85 0.134 34.80 2004.95 0.139 33.56 2005.05 0.144 32.40 2005.15 0.148 31.31 2005.25 0.152 30.29 2005.35 0.156 29.32 2005.45 0.160 28.40 2005.55 0.164 27.52 2005.65 0.167 26.67 2005.75 0.171 25.86 2005.85 0.174 25.08 2005.95 0.176 24.33 2006.05 0.179 23.59 2006.15 0.182 22.88 2006.25 0.184 22.19 2006.35 0.186 21.51 2006.45 0.188 20.85 2006.55 0.190 20.21 2006.65 0.192 19.57 2006.75 0.193 18.95 2006.85 0.195 18.33 2006.95 0.196 17.73 2007.05 0.197 17.13 2007.15 0.198 16.54 2007.25 0.199 15.95 2007.35 0.200 15.37 2007.45 0.201 14.80 2007.55 0.202 14.23 2007.65 0.203 13.67 2007.75 0.203 13.10 2007.85 0.204 12.55 2007.95 0.204 11.99 2008.05 0.204 11.43 2008.15 0.205 10.88 2008.25 0.205 10.33 2008.35 0.205 9.78 2008.45 0.205 9.23 2008.55 0.205 8.68 2008.65 0.205 8.13 2008.75 0.205 7.58 2008.85 0.205 7.03 2008.95 0.205 6.48 2009.05 0.205 5.93 2009.15 0.204 5.38 2009.25 0.204 4.82 2009.35 0.204 4.27 2009.45 0.204 3.71 2009.55 0.203 3.15 2009.65 0.203 2.59 2009.75 0.202 2.03 2009.85 0.202 1.46 2009.95 0.201 0.89 2010.05 0.201 0.32 2010.15 0.200 359.74 2010.25 0.200 359.17 2010.35 0.199 358.58 2010.45 0.199 358.00 2010.55 0.198 357.41 2010.65 0.197 356.82 2010.75 0.197 356.22 2010.85 0.196 355.62 2010.95 0.195 355.02 2011.05 0.195 354.41 2011.15 0.194 353.80 2011.25 0.193 353.18 2011.35 0.193 352.56 2011.45 0.192 351.94 2011.55 0.191 351.31 2011.65 0.191 350.67 2011.75 0.190 350.03 2011.85 0.189 349.39 2011.95 0.188 348.74 2012.05 0.188 348.08 2012.15 0.187 347.43 2012.25 0.186 346.76 2012.35 0.186 346.09 2012.45 0.185 345.42 2012.55 0.184 344.74 2012.65 0.183 344.05 2012.75 0.183 343.36 2012.85 0.182 342.67 2012.95 0.181 341.96 2013.05 0.181 341.26 2013.15 0.180 340.55 2013.25 0.179 339.83 2013.35 0.179 339.11 2013.45 0.178 338.38 2013.55 0.177 337.65 2013.65 0.177 336.91 2013.75 0.176 336.17 2013.85 0.176 335.42 2013.95 0.175 334.67 2014.05 0.175 333.91 2014.15 0.174 333.15 2014.25 0.173 332.38 2014.35 0.173 331.61 2014.45 0.172 330.83 2014.55 0.172 330.05 2014.65 0.171 329.27 2014.75 0.171 328.48 2014.85 0.171 327.69 2014.95 0.170 326.89 2015.05 0.170 326.09 2015.15 0.169 325.29 2015.25 0.169 324.48 2015.35 0.169 323.67 2015.45 0.169 322.86 2015.55 0.168 322.04 2015.65 0.168 321.22 2015.75 0.168 320.40 2015.85 0.168 319.58 2015.95 0.167 318.75 2016.05 0.167 317.93 2016.15 0.167 317.10 2016.25 0.167 316.27 2016.35 0.167 315.44 2016.45 0.167 314.61 2016.55 0.167 313.78 2016.65 0.167 312.94 2016.75 0.167 312.11 2016.85 0.167 311.28 2016.95 0.167 310.45 2017.05 0.167 309.62 2017.15 0.167 308.79 2017.25 0.167 307.96 2017.35 0.167 307.13 2017.45 0.168 306.31 2017.55 0.168 305.48 2017.65 0.168 304.66 2017.75 0.168 303.84 2017.85 0.169 303.03 2017.95 0.169 302.21 2018.05 0.169 301.40 2018.15 0.170 300.60 2018.25 0.170 299.79 2018.35 0.170 298.99 2018.45 0.171 298.20 2018.55 0.171 297.41 2018.65 0.172 296.62 2018.75 0.172 295.84 2018.85 0.173 295.06 2018.95 0.173 294.29 2019.05 0.174 293.52 2019.15 0.174 292.75 2019.25 0.175 292.00 2019.35 0.176 291.24 2019.45 0.176 290.50 2019.55 0.177 289.76 2019.65 0.178 289.02 2019.75 0.178 288.29 2019.85 0.179 287.57 2019.95 0.180 286.85 2020.05 0.181 286.14 2020.15 0.182 285.43 2020.25 0.182 284.74 2020.35 0.183 284.04 2020.45 0.184 283.36 2020.55 0.185 282.68 2020.65 0.186 282.00 2020.75 0.187 281.34 2020.85 0.188 280.68 2020.95 0.189 280.02 2021.05 0.190 279.38 2021.15 0.191 278.74 2021.25 0.192 278.10 2021.35 0.193 277.48 2021.45 0.194 276.86 2021.55 0.195 276.24 2021.65 0.196 275.63 2021.75 0.197 275.03 2021.85 0.198 274.44 2021.95 0.199 273.85 2022.05 0.200 273.27 2022.15 0.201 272.70 2022.25 0.202 272.13 2022.35 0.203 271.56 2022.45 0.205 271.01 2022.55 0.206 270.46 2022.65 0.207 269.92 2022.75 0.208 269.38 2022.85 0.209 268.85 2022.95 0.211 268.32 2023.05 0.212 267.80 2023.15 0.213 267.29 2023.25 0.214 266.78 2023.35 0.215 266.28 2023.45 0.217 265.79 2023.55 0.218 265.30 2023.65 0.219 264.81 2023.75 0.221 264.33 2023.85 0.222 263.86 2023.95 0.223 263.39 2024.05 0.224 262.93 2024.15 0.226 262.47 2024.25 0.227 262.02 2024.35 0.228 261.58 2024.45 0.230 261.14 2024.55 0.231 260.70 2024.65 0.232 260.27 2024.75 0.234 259.84 2024.85 0.235 259.42 2024.95 0.236 259.00 2025.05 0.238 258.59 2025.15 0.239 258.18 2025.25 0.240 257.78 2025.35 0.242 257.38 2025.45 0.243 256.99 2025.55 0.244 256.60 2025.65 0.246 256.21 2025.75 0.247 255.83 2025.85 0.249 255.46 2025.95 0.250 255.08 2026.05 0.251 254.72 2026.15 0.253 254.35 2026.25 0.254 253.99 2026.35 0.255 253.63 2026.45 0.257 253.28 2026.55 0.258 252.93 2026.65 0.260 252.59 2026.75 0.261 252.25 2026.85 0.262 251.91 2026.95 0.264 251.57 2027.05 0.265 251.24 2027.15 0.267 250.92 2027.25 0.268 250.59 2027.35 0.269 250.27 2027.45 0.271 249.95 2027.55 0.272 249.64 2027.65 0.273 249.33 2027.75 0.275 249.02 2027.85 0.276 248.72 2027.95 0.278 248.41 2028.05 0.279 248.12 2028.15 0.280 247.82 2028.25 0.282 247.53 2028.35 0.283 247.24 2028.45 0.284 246.95 2028.55 0.286 246.66 2028.65 0.287 246.38 2028.75 0.289 246.10 2028.85 0.290 245.83 2028.95 0.291 245.55 2029.05 0.293 245.28 2029.15 0.294 245.01 2029.25 0.295 244.75 2029.35 0.297 244.48 2029.45 0.298 244.22 2029.55 0.299 243.96 2029.65 0.301 243.71 2029.75 0.302 243.45 2029.85 0.303 243.20 2029.95 0.305 242.95 2030.05 0.306 242.70 2030.15 0.307 242.45 2030.25 0.309 242.21 2030.35 0.310 241.97 2030.45 0.311 241.73 2030.55 0.313 241.49 2030.65 0.314 241.26 2030.75 0.315 241.02 2030.85 0.317 240.79 2030.95 0.318 240.56 2031.05 0.319 240.33 2031.15 0.320 240.11 2031.25 0.322 239.88 2031.35 0.323 239.66 2031.45 0.324 239.44 2031.55 0.325 239.22 2031.65 0.327 239.00 2031.75 0.328 238.78 2031.85 0.329 238.57 2031.95 0.330 238.36 2032.05 0.332 238.15 2032.15 0.333 237.94 2032.25 0.334 237.73 2032.35 0.335 237.52 2032.45 0.336 237.32 2032.55 0.338 237.11 2032.65 0.339 236.91 2032.75 0.340 236.71 2032.85 0.341 236.51 2032.95 0.342 236.31 2033.05 0.343 236.12 2033.15 0.345 235.92 2033.25 0.346 235.73 2033.35 0.347 235.53 2033.45 0.348 235.34 2033.55 0.349 235.15 2033.65 0.350 234.96 2033.75 0.351 234.77 2033.85 0.352 234.59 2033.95 0.354 234.40 2034.05 0.355 234.22 2034.15 0.356 234.03 2034.25 0.357 233.85 2034.35 0.358 233.67 2034.45 0.359 233.49 2034.55 0.360 233.31 2034.65 0.361 233.13 2034.75 0.362 232.96 2034.85 0.363 232.78 2034.95 0.364 232.60 2035.05 0.365 232.43 2035.15 0.366 232.26 2035.25 0.367 232.09 2035.35 0.368 231.91 2035.45 0.369 231.74 2035.55 0.370 231.57 2035.65 0.371 231.41 2035.75 0.372 231.24 2035.85 0.373 231.07 2035.95 0.374 230.90 2036.05 0.375 230.74 2036.15 0.375 230.57 2036.25 0.376 230.41 2036.35 0.377 230.25 2036.45 0.378 230.09 2036.55 0.379 229.92 2036.65 0.380 229.76 2036.75 0.381 229.60 2036.85 0.381 229.44 2036.95 0.382 229.28 2037.05 0.383 229.13 2037.15 0.384 228.97 2037.25 0.385 228.81 2037.35 0.385 228.66 2037.45 0.386 228.50 2037.55 0.387 228.35 2037.65 0.388 228.19 2037.75 0.388 228.04 2037.85 0.389 227.88 2037.95 0.390 227.73 2038.05 0.390 227.58 2038.15 0.391 227.43 2038.25 0.392 227.28 2038.35 0.392 227.13 2038.45 0.393 226.98 2038.55 0.394 226.83 2038.65 0.394 226.68 2038.75 0.395 226.53 2038.85 0.395 226.38 2038.95 0.396 226.23 2039.05 0.396 226.09 2039.15 0.397 225.94 2039.25 0.398 225.79 2039.35 0.398 225.65 2039.45 0.399 225.50 2039.55 0.399 225.35 2039.65 0.400 225.21 2039.75 0.400 225.06 2039.85 0.400 224.92 2039.95 0.401 224.78 2040.05 0.401 224.63 2040.15 0.402 224.49 2040.25 0.402 224.35 2040.35 0.402 224.20 2040.45 0.403 224.06 2040.55 0.403 223.92 2040.65 0.403 223.77 2040.75 0.404 223.63 2040.85 0.404 223.49 2040.95 0.404 223.35 2041.05 0.405 223.21 2041.15 0.405 223.07 2041.25 0.405 222.93 2041.35 0.405 222.78 2041.45 0.405 222.64 2041.55 0.406 222.50 2041.65 0.406 222.36 2041.75 0.406 222.22 2041.85 0.406 222.08 2041.95 0.406 221.94 2042.05 0.406 221.80 2042.15 0.406 221.66 2042.25 0.406 221.52 2042.35 0.406 221.38 2042.45 0.406 221.24 2042.55 0.406 221.10 2042.65 0.406 220.96 2042.75 0.406 220.82 2042.85 0.406 220.68 2042.95 0.406 220.54 2043.05 0.406 220.40 2043.15 0.406 220.26 2043.25 0.406 220.12 2043.35 0.406 219.98 2043.45 0.406 219.84 2043.55 0.405 219.70 2043.65 0.405 219.56 2043.75 0.405 219.42 2043.85 0.405 219.28 2043.95 0.404 219.13 2044.05 0.404 218.99 2044.15 0.404 218.85 2044.25 0.403 218.71 2044.35 0.403 218.57 2044.45 0.403 218.42 2044.55 0.402 218.28 2044.65 0.402 218.14 2044.75 0.401 217.99 2044.85 0.401 217.85 2044.95 0.400 217.71 2045.05 0.400 217.56 2045.15 0.399 217.42 2045.25 0.399 217.27 2045.35 0.398 217.13 2045.45 0.397 216.98 2045.55 0.397 216.83 2045.65 0.396 216.69 2045.75 0.395 216.54 2045.85 0.395 216.39 2045.95 0.394 216.24 2046.05 0.393 216.09 2046.15 0.392 215.94 2046.25 0.391 215.79 2046.35 0.390 215.64 2046.45 0.389 215.49 2046.55 0.388 215.33 2046.65 0.387 215.18 2046.75 0.386 215.02 2046.85 0.385 214.87 2046.95 0.384 214.71 2047.05 0.383 214.56 2047.15 0.382 214.40 2047.25 0.381 214.24 2047.35 0.380 214.08 2047.45 0.378 213.92 2047.55 0.377 213.76 2047.65 0.376 213.59 2047.75 0.375 213.43 2047.85 0.373 213.26 2047.95 0.372 213.10 2048.05 0.370 212.93 2048.15 0.369 212.76 2048.25 0.367 212.59 2048.35 0.366 212.42 2048.45 0.364 212.24 2048.55 0.362 212.07 2048.65 0.361 211.89 2048.75 0.359 211.71 2048.85 0.357 211.53 2048.95 0.355 211.35 2049.05 0.353 211.16 2049.15 0.352 210.98 2049.25 0.350 210.79 2049.35 0.348 210.60 2049.45 0.346 210.41 2049.55 0.343 210.21 2049.65 0.341 210.01 2049.75 0.339 209.81 2049.85 0.337 209.61 2049.95 0.335 209.41 2050.05 0.332 209.20 2050.15 0.330 208.99 2050.25 0.327 208.77 2050.35 0.325 208.55 2050.45 0.322 208.33 2050.55 0.320 208.11 2050.65 0.317 207.88 2050.75 0.314 207.65 2050.85 0.311 207.41 2050.95 0.308 207.17 2051.05 0.306 206.92 2051.15 0.303 206.67 2051.25 0.299 206.42 2051.35 0.296 206.16 2051.45 0.293 205.89 2051.55 0.290 205.62 2051.65 0.287 205.34
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 14:39:24 |