| WDS: | A1238AB | WDS ID/Discoverer |
| P: | 72.000 | Orbital period (years) |
| a: | 0.247 | Semi-major axis (arcseconds) |
| i: | 153.5 | Inclination (degrees) |
| Ω: | 114.3 | Longitude of ascending node (degrees) |
| T: | 1963.250 | Epoch of periastron passage (year) |
| e: | 0.2773 | Eccentricity |
| ω: | 145.7 | Longitude of periastron (degrees) |
| Start-Year: | 1989.0 | Year |
| End-Year: | 2061.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A1238AB |
||
| Position: | 230847.77+105731.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 23088+1058 | WDS designation |
| Discoverer Code: | A1238AB | Discover designation and components |
| ADS number: | 16539 | Aitken Double Star catalog |
| HD number: | 218550 | HD catalog number |
| Hipparcos number: | 114280 | Hipparcos catalog number |
| V1: | 8.20 | Magnitude of the primary |
| V2: | 8.79 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | 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: | Pru2014 | 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 0.190 42.12 -------------------------- 1989.00 0.273 177.42 1989.10 0.273 177.07 1989.20 0.274 176.72 1989.30 0.274 176.37 1989.40 0.275 176.02 1989.50 0.275 175.68 1989.60 0.276 175.33 1989.70 0.276 174.99 1989.80 0.276 174.64 1989.90 0.277 174.30 1990.00 0.277 173.96 1990.10 0.278 173.62 1990.20 0.278 173.28 1990.30 0.279 172.94 1990.40 0.279 172.60 1990.50 0.279 172.27 1990.60 0.280 171.93 1990.70 0.280 171.60 1990.80 0.281 171.26 1990.90 0.281 170.93 1991.00 0.281 170.60 1991.10 0.282 170.27 1991.20 0.282 169.94 1991.30 0.283 169.61 1991.40 0.283 169.28 1991.50 0.283 168.95 1991.60 0.284 168.63 1991.70 0.284 168.30 1991.80 0.285 167.98 1991.90 0.285 167.65 1992.00 0.285 167.33 1992.10 0.286 167.01 1992.20 0.286 166.69 1992.30 0.286 166.37 1992.40 0.287 166.05 1992.50 0.287 165.73 1992.60 0.288 165.41 1992.70 0.288 165.10 1992.80 0.288 164.78 1992.90 0.289 164.47 1993.00 0.289 164.15 1993.10 0.289 163.84 1993.20 0.290 163.52 1993.30 0.290 163.21 1993.40 0.290 162.90 1993.50 0.291 162.59 1993.60 0.291 162.28 1993.70 0.291 161.97 1993.80 0.292 161.66 1993.90 0.292 161.35 1994.00 0.292 161.05 1994.10 0.293 160.74 1994.20 0.293 160.44 1994.30 0.293 160.13 1994.40 0.294 159.83 1994.50 0.294 159.52 1994.60 0.294 159.22 1994.70 0.295 158.92 1994.80 0.295 158.61 1994.90 0.295 158.31 1995.00 0.296 158.01 1995.10 0.296 157.71 1995.20 0.296 157.41 1995.30 0.296 157.11 1995.40 0.297 156.82 1995.50 0.297 156.52 1995.60 0.297 156.22 1995.70 0.298 155.93 1995.80 0.298 155.63 1995.90 0.298 155.33 1996.00 0.298 155.04 1996.10 0.299 154.75 1996.20 0.299 154.45 1996.30 0.299 154.16 1996.40 0.299 153.87 1996.50 0.300 153.57 1996.60 0.300 153.28 1996.70 0.300 152.99 1996.80 0.300 152.70 1996.90 0.301 152.41 1997.00 0.301 152.12 1997.10 0.301 151.83 1997.20 0.301 151.54 1997.30 0.302 151.25 1997.40 0.302 150.96 1997.50 0.302 150.68 1997.60 0.302 150.39 1997.70 0.303 150.10 1997.80 0.303 149.82 1997.90 0.303 149.53 1998.00 0.303 149.24 1998.10 0.303 148.96 1998.20 0.304 148.67 1998.30 0.304 148.39 1998.40 0.304 148.11 1998.50 0.304 147.82 1998.60 0.304 147.54 1998.70 0.304 147.26 1998.80 0.305 146.97 1998.90 0.305 146.69 1999.00 0.305 146.41 1999.10 0.305 146.13 1999.20 0.305 145.84 1999.30 0.305 145.56 1999.40 0.306 145.28 1999.50 0.306 145.00 1999.60 0.306 144.72 1999.70 0.306 144.44 1999.80 0.306 144.16 1999.90 0.306 143.88 2000.00 0.306 143.60 2000.10 0.307 143.32 2000.20 0.307 143.04 2000.30 0.307 142.76 2000.40 0.307 142.49 2000.50 0.307 142.21 2000.60 0.307 141.93 2000.70 0.307 141.65 2000.80 0.307 141.37 2000.90 0.307 141.10 2001.00 0.307 140.82 2001.10 0.308 140.54 2001.20 0.308 140.26 2001.30 0.308 139.99 2001.40 0.308 139.71 2001.50 0.308 139.43 2001.60 0.308 139.16 2001.70 0.308 138.88 2001.80 0.308 138.60 2001.90 0.308 138.33 2002.00 0.308 138.05 2002.10 0.308 137.77 2002.20 0.308 137.50 2002.30 0.308 137.22 2002.40 0.308 136.95 2002.50 0.308 136.67 2002.60 0.308 136.39 2002.70 0.308 136.12 2002.80 0.308 135.84 2002.90 0.308 135.57 2003.00 0.308 135.29 2003.10 0.308 135.01 2003.20 0.308 134.74 2003.30 0.308 134.46 2003.40 0.308 134.19 2003.50 0.308 133.91 2003.60 0.308 133.64 2003.70 0.308 133.36 2003.80 0.308 133.08 2003.90 0.308 132.81 2004.00 0.308 132.53 2004.10 0.308 132.25 2004.20 0.308 131.98 2004.30 0.308 131.70 2004.40 0.308 131.43 2004.50 0.308 131.15 2004.60 0.308 130.87 2004.70 0.308 130.60 2004.80 0.308 130.32 2004.90 0.308 130.04 2005.00 0.308 129.76 2005.10 0.307 129.49 2005.20 0.307 129.21 2005.30 0.307 128.93 2005.40 0.307 128.65 2005.50 0.307 128.37 2005.60 0.307 128.10 2005.70 0.307 127.82 2005.80 0.307 127.54 2005.90 0.307 127.26 2006.00 0.306 126.98 2006.10 0.306 126.70 2006.20 0.306 126.42 2006.30 0.306 126.14 2006.40 0.306 125.86 2006.50 0.306 125.58 2006.60 0.306 125.30 2006.70 0.305 125.02 2006.80 0.305 124.74 2006.90 0.305 124.46 2007.00 0.305 124.17 2007.10 0.305 123.89 2007.20 0.304 123.61 2007.30 0.304 123.32 2007.40 0.304 123.04 2007.50 0.304 122.76 2007.60 0.304 122.47 2007.70 0.303 122.19 2007.80 0.303 121.90 2007.90 0.303 121.62 2008.00 0.303 121.33 2008.10 0.303 121.05 2008.20 0.302 120.76 2008.30 0.302 120.47 2008.40 0.302 120.18 2008.50 0.302 119.89 2008.60 0.301 119.61 2008.70 0.301 119.32 2008.80 0.301 119.03 2008.90 0.300 118.74 2009.00 0.300 118.45 2009.10 0.300 118.15 2009.20 0.300 117.86 2009.30 0.299 117.57 2009.40 0.299 117.28 2009.50 0.299 116.98 2009.60 0.298 116.69 2009.70 0.298 116.39 2009.80 0.298 116.10 2009.90 0.297 115.80 2010.00 0.297 115.51 2010.10 0.297 115.21 2010.20 0.296 114.91 2010.30 0.296 114.61 2010.40 0.296 114.31 2010.50 0.295 114.01 2010.60 0.295 113.71 2010.70 0.295 113.41 2010.80 0.294 113.11 2010.90 0.294 112.80 2011.00 0.294 112.50 2011.10 0.293 112.20 2011.20 0.293 111.89 2011.30 0.292 111.58 2011.40 0.292 111.28 2011.50 0.292 110.97 2011.60 0.291 110.66 2011.70 0.291 110.35 2011.80 0.290 110.04 2011.90 0.290 109.73 2012.00 0.290 109.42 2012.10 0.289 109.10 2012.20 0.289 108.79 2012.30 0.288 108.47 2012.40 0.288 108.16 2012.50 0.287 107.84 2012.60 0.287 107.52 2012.70 0.286 107.20 2012.80 0.286 106.88 2012.90 0.285 106.56 2013.00 0.285 106.24 2013.10 0.284 105.91 2013.20 0.284 105.59 2013.30 0.284 105.26 2013.40 0.283 104.94 2013.50 0.283 104.61 2013.60 0.282 104.28 2013.70 0.281 103.95 2013.80 0.281 103.62 2013.90 0.280 103.28 2014.00 0.280 102.95 2014.10 0.279 102.61 2014.20 0.279 102.28 2014.30 0.278 101.94 2014.40 0.278 101.60 2014.50 0.277 101.26 2014.60 0.277 100.92 2014.70 0.276 100.57 2014.80 0.276 100.23 2014.90 0.275 99.88 2015.00 0.274 99.54 2015.10 0.274 99.19 2015.20 0.273 98.84 2015.30 0.273 98.48 2015.40 0.272 98.13 2015.50 0.271 97.77 2015.60 0.271 97.42 2015.70 0.270 97.06 2015.80 0.270 96.70 2015.90 0.269 96.34 2016.00 0.268 95.97 2016.10 0.268 95.61 2016.20 0.267 95.24 2016.30 0.266 94.87 2016.40 0.266 94.50 2016.50 0.265 94.13 2016.60 0.265 93.76 2016.70 0.264 93.38 2016.80 0.263 93.00 2016.90 0.263 92.62 2017.00 0.262 92.24 2017.10 0.261 91.86 2017.20 0.261 91.47 2017.30 0.260 91.09 2017.40 0.259 90.70 2017.50 0.258 90.31 2017.60 0.258 89.91 2017.70 0.257 89.52 2017.80 0.256 89.12 2017.90 0.256 88.72 2018.00 0.255 88.32 2018.10 0.254 87.91 2018.20 0.254 87.51 2018.30 0.253 87.10 2018.40 0.252 86.68 2018.50 0.251 86.27 2018.60 0.251 85.85 2018.70 0.250 85.44 2018.80 0.249 85.02 2018.90 0.248 84.59 2019.00 0.248 84.17 2019.10 0.247 83.74 2019.20 0.246 83.31 2019.30 0.245 82.87 2019.40 0.245 82.43 2019.50 0.244 82.00 2019.60 0.243 81.55 2019.70 0.242 81.11 2019.80 0.242 80.66 2019.90 0.241 80.21 2020.00 0.240 79.76 2020.10 0.239 79.30 2020.20 0.239 78.84 2020.30 0.238 78.38 2020.40 0.237 77.91 2020.50 0.236 77.45 2020.60 0.235 76.97 2020.70 0.235 76.50 2020.80 0.234 76.02 2020.90 0.233 75.54 2021.00 0.232 75.06 2021.10 0.231 74.57 2021.20 0.231 74.08 2021.30 0.230 73.58 2021.40 0.229 73.08 2021.50 0.228 72.58 2021.60 0.227 72.08 2021.70 0.227 71.57 2021.80 0.226 71.06 2021.90 0.225 70.54 2022.00 0.224 70.02 2022.10 0.223 69.50 2022.20 0.223 68.97 2022.30 0.222 68.44 2022.40 0.221 67.90 2022.50 0.220 67.36 2022.60 0.219 66.82 2022.70 0.219 66.27 2022.80 0.218 65.72 2022.90 0.217 65.17 2023.00 0.216 64.61 2023.10 0.215 64.05 2023.20 0.215 63.48 2023.30 0.214 62.91 2023.40 0.213 62.33 2023.50 0.212 61.75 2023.60 0.211 61.16 2023.70 0.211 60.57 2023.80 0.210 59.98 2023.90 0.209 59.38 2024.00 0.208 58.78 2024.10 0.207 58.17 2024.20 0.207 57.56 2024.30 0.206 56.94 2024.40 0.205 56.32 2024.50 0.204 55.69 2024.60 0.203 55.06 2024.70 0.203 54.43 2024.80 0.202 53.78 2024.90 0.201 53.14 2025.00 0.200 52.49 2025.10 0.200 51.83 2025.20 0.199 51.17 2025.30 0.198 50.51 2025.40 0.197 49.83 2025.50 0.197 49.16 2025.60 0.196 48.48 2025.70 0.195 47.79 2025.80 0.194 47.10 2025.90 0.194 46.40 2026.00 0.193 45.70 2026.10 0.192 44.99 2026.20 0.192 44.28 2026.30 0.191 43.57 2026.40 0.190 42.84 2026.50 0.190 42.12 2026.60 0.189 41.38 2026.70 0.188 40.64 2026.80 0.188 39.90 2026.90 0.187 39.15 2027.00 0.186 38.40 2027.10 0.186 37.64 2027.20 0.185 36.88 2027.30 0.184 36.11 2027.40 0.184 35.33 2027.50 0.183 34.55 2027.60 0.183 33.77 2027.70 0.182 32.98 2027.80 0.181 32.18 2027.90 0.181 31.39 2028.00 0.180 30.58 2028.10 0.180 29.77 2028.20 0.179 28.96 2028.30 0.179 28.14 2028.40 0.178 27.32 2028.50 0.178 26.49 2028.60 0.177 25.65 2028.70 0.177 24.82 2028.80 0.176 23.98 2028.90 0.176 23.13 2029.00 0.175 22.28 2029.10 0.175 21.42 2029.20 0.175 20.57 2029.30 0.174 19.70 2029.40 0.174 18.84 2029.50 0.173 17.97 2029.60 0.173 17.09 2029.70 0.173 16.21 2029.80 0.172 15.33 2029.90 0.172 14.45 2030.00 0.172 13.56 2030.10 0.171 12.67 2030.20 0.171 11.78 2030.30 0.171 10.88 2030.40 0.171 9.98 2030.50 0.170 9.08 2030.60 0.170 8.17 2030.70 0.170 7.26 2030.80 0.170 6.35 2030.90 0.170 5.44 2031.00 0.169 4.53 2031.10 0.169 3.61 2031.20 0.169 2.70 2031.30 0.169 1.78 2031.40 0.169 0.86 2031.50 0.169 359.94 2031.60 0.169 359.01 2031.70 0.168 358.09 2031.80 0.168 357.17 2031.90 0.168 356.24 2032.00 0.168 355.31 2032.10 0.168 354.39 2032.20 0.168 353.46 2032.30 0.168 352.54 2032.40 0.168 351.61 2032.50 0.168 350.68 2032.60 0.168 349.76 2032.70 0.168 348.83 2032.80 0.168 347.91 2032.90 0.168 346.98 2033.00 0.169 346.06 2033.10 0.169 345.13 2033.20 0.169 344.21 2033.30 0.169 343.29 2033.40 0.169 342.37 2033.50 0.169 341.45 2033.60 0.169 340.54 2033.70 0.169 339.62 2033.80 0.170 338.71 2033.90 0.170 337.80 2034.00 0.170 336.89 2034.10 0.170 335.98 2034.20 0.170 335.07 2034.30 0.170 334.17 2034.40 0.171 333.27 2034.50 0.171 332.37 2034.60 0.171 331.47 2034.70 0.171 330.58 2034.80 0.172 329.68 2034.90 0.172 328.80 2035.00 0.172 327.91 2035.10 0.172 327.02 2035.20 0.173 326.14 2035.30 0.173 325.26 2035.40 0.173 324.39 2035.50 0.173 323.52 2035.60 0.174 322.65 2035.70 0.174 321.78 2035.80 0.174 320.91 2035.90 0.175 320.05 2036.00 0.175 319.19 2036.10 0.175 318.34 2036.20 0.176 317.49 2036.30 0.176 316.64 2036.40 0.176 315.79 2036.50 0.177 314.95 2036.60 0.177 314.11 2036.70 0.177 313.27 2036.80 0.178 312.44 2036.90 0.178 311.61 2037.00 0.178 310.78 2037.10 0.179 309.96 2037.20 0.179 309.14 2037.30 0.179 308.32 2037.40 0.180 307.51 2037.50 0.180 306.69 2037.60 0.180 305.89 2037.70 0.181 305.08 2037.80 0.181 304.28 2037.90 0.181 303.48 2038.00 0.182 302.68 2038.10 0.182 301.89 2038.20 0.182 301.10 2038.30 0.183 300.31 2038.40 0.183 299.53 2038.50 0.183 298.75 2038.60 0.184 297.97 2038.70 0.184 297.20 2038.80 0.185 296.43 2038.90 0.185 295.66 2039.00 0.185 294.89 2039.10 0.186 294.13 2039.20 0.186 293.37 2039.30 0.186 292.61 2039.40 0.187 291.86 2039.50 0.187 291.11 2039.60 0.187 290.36 2039.70 0.188 289.61 2039.80 0.188 288.87 2039.90 0.188 288.13 2040.00 0.189 287.39 2040.10 0.189 286.65 2040.20 0.189 285.92 2040.30 0.190 285.19 2040.40 0.190 284.46 2040.50 0.190 283.74 2040.60 0.191 283.02 2040.70 0.191 282.30 2040.80 0.191 281.58 2040.90 0.192 280.87 2041.00 0.192 280.16 2041.10 0.192 279.45 2041.20 0.193 278.74 2041.30 0.193 278.03 2041.40 0.193 277.33 2041.50 0.194 276.63 2041.60 0.194 275.93 2041.70 0.194 275.24 2041.80 0.195 274.55 2041.90 0.195 273.86 2042.00 0.195 273.17 2042.10 0.196 272.48 2042.20 0.196 271.80 2042.30 0.196 271.12 2042.40 0.197 270.44 2042.50 0.197 269.76 2042.60 0.197 269.09 2042.70 0.198 268.42 2042.80 0.198 267.75 2042.90 0.198 267.08 2043.00 0.199 266.41 2043.10 0.199 265.75 2043.20 0.199 265.09 2043.30 0.200 264.43 2043.40 0.200 263.77 2043.50 0.200 263.12 2043.60 0.201 262.47 2043.70 0.201 261.81 2043.80 0.201 261.17 2043.90 0.202 260.52 2044.00 0.202 259.88 2044.10 0.202 259.23 2044.20 0.203 258.59 2044.30 0.203 257.95 2044.40 0.203 257.32 2044.50 0.204 256.68 2044.60 0.204 256.05 2044.70 0.204 255.42 2044.80 0.205 254.79 2044.90 0.205 254.17 2045.00 0.205 253.54 2045.10 0.206 252.92 2045.20 0.206 252.30 2045.30 0.206 251.68 2045.40 0.207 251.07 2045.50 0.207 250.45 2045.60 0.207 249.84 2045.70 0.208 249.23 2045.80 0.208 248.62 2045.90 0.208 248.02 2046.00 0.209 247.41 2046.10 0.209 246.81 2046.20 0.209 246.21 2046.30 0.210 245.61 2046.40 0.210 245.02 2046.50 0.210 244.42 2046.60 0.211 243.83 2046.70 0.211 243.24 2046.80 0.211 242.65 2046.90 0.212 242.07 2047.00 0.212 241.48 2047.10 0.212 240.90 2047.20 0.213 240.32 2047.30 0.213 239.74 2047.40 0.213 239.16 2047.50 0.214 238.59 2047.60 0.214 238.02 2047.70 0.215 237.45 2047.80 0.215 236.88 2047.90 0.215 236.31 2048.00 0.216 235.75 2048.10 0.216 235.18 2048.20 0.216 234.62 2048.30 0.217 234.06 2048.40 0.217 233.51 2048.50 0.218 232.95 2048.60 0.218 232.40 2048.70 0.218 231.85 2048.80 0.219 231.30 2048.90 0.219 230.75 2049.00 0.219 230.20 2049.10 0.220 229.66 2049.20 0.220 229.12 2049.30 0.221 228.58 2049.40 0.221 228.04 2049.50 0.221 227.50 2049.60 0.222 226.97 2049.70 0.222 226.44 2049.80 0.223 225.91 2049.90 0.223 225.38 2050.00 0.223 224.85 2050.10 0.224 224.33 2050.20 0.224 223.81 2050.30 0.225 223.29 2050.40 0.225 222.77 2050.50 0.225 222.25 2050.60 0.226 221.73 2050.70 0.226 221.22 2050.80 0.227 220.71 2050.90 0.227 220.20 2051.00 0.228 219.69 2051.10 0.228 219.19 2051.20 0.228 218.68 2051.30 0.229 218.18 2051.40 0.229 217.68 2051.50 0.230 217.18 2051.60 0.230 216.69 2051.70 0.231 216.19 2051.80 0.231 215.70 2051.90 0.231 215.21 2052.00 0.232 214.72 2052.10 0.232 214.23 2052.20 0.233 213.75 2052.30 0.233 213.27 2052.40 0.234 212.78 2052.50 0.234 212.30 2052.60 0.234 211.83 2052.70 0.235 211.35 2052.80 0.235 210.88 2052.90 0.236 210.40 2053.00 0.236 209.93 2053.10 0.237 209.46 2053.20 0.237 209.00 2053.30 0.238 208.53 2053.40 0.238 208.07 2053.50 0.239 207.61 2053.60 0.239 207.15 2053.70 0.239 206.69 2053.80 0.240 206.23 2053.90 0.240 205.78 2054.00 0.241 205.32 2054.10 0.241 204.87 2054.20 0.242 204.42 2054.30 0.242 203.97 2054.40 0.243 203.53 2054.50 0.243 203.08 2054.60 0.244 202.64 2054.70 0.244 202.20 2054.80 0.244 201.76 2054.90 0.245 201.32 2055.00 0.245 200.88 2055.10 0.246 200.45 2055.20 0.246 200.02 2055.30 0.247 199.58 2055.40 0.247 199.15 2055.50 0.248 198.73 2055.60 0.248 198.30 2055.70 0.249 197.88 2055.80 0.249 197.45 2055.90 0.250 197.03 2056.00 0.250 196.61 2056.10 0.251 196.19 2056.20 0.251 195.77 2056.30 0.251 195.36 2056.40 0.252 194.94 2056.50 0.252 194.53 2056.60 0.253 194.12 2056.70 0.253 193.71 2056.80 0.254 193.30 2056.90 0.254 192.90 2057.00 0.255 192.49 2057.10 0.255 192.09 2057.20 0.256 191.69 2057.30 0.256 191.29 2057.40 0.257 190.89 2057.50 0.257 190.49 2057.60 0.258 190.10 2057.70 0.258 189.70 2057.80 0.259 189.31 2057.90 0.259 188.92 2058.00 0.259 188.53 2058.10 0.260 188.14 2058.20 0.260 187.75 2058.30 0.261 187.36 2058.40 0.261 186.98 2058.50 0.262 186.59 2058.60 0.262 186.21 2058.70 0.263 185.83 2058.80 0.263 185.45 2058.90 0.264 185.07 2059.00 0.264 184.70 2059.10 0.265 184.32 2059.20 0.265 183.95 2059.30 0.265 183.57 2059.40 0.266 183.20 2059.50 0.266 182.83 2059.60 0.267 182.46 2059.70 0.267 182.10 2059.80 0.268 181.73 2059.90 0.268 181.36 2060.00 0.269 181.00 2060.10 0.269 180.64 2060.20 0.269 180.27 2060.30 0.270 179.91 2060.40 0.270 179.55 2060.50 0.271 179.20 2060.60 0.271 178.84 2060.70 0.272 178.48 2060.80 0.272 178.13 2060.90 0.273 177.78
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:48:06 |