| WDS: | I120AB | WDS ID/Discoverer |
| P: | 64.090 | Orbital period (years) |
| a: | 0.324 | Semi-major axis (arcseconds) |
| i: | 141.2 | Inclination (degrees) |
| Ω: | 118.7 | Longitude of ascending node (degrees) |
| T: | 1996.490 | Epoch of periastron passage (year) |
| e: | 0.687 | Eccentricity |
| ω: | 139.5 | Longitude of periastron (degrees) |
| Start-Year: | 1992.955 | Year |
| End-Year: | 2057.045 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for I120AB |
||
| Position: | 194907.25-614853.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19491-6149 | WDS designation |
| Discoverer Code: | I120AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 186602 | HD catalog number |
| Hipparcos number: | 97508 | Hipparcos catalog number |
| V1: | 8.31 | Magnitude of the primary |
| V2: | 8.02 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2017 | 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: | Tok2018b | 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 0.492 155.11 -------------------------- 1992.95 0.162 80.83 1993.05 0.159 79.53 1993.15 0.155 78.18 1993.25 0.151 76.76 1993.35 0.148 75.27 1993.45 0.144 73.70 1993.55 0.141 72.06 1993.65 0.137 70.32 1993.75 0.134 68.50 1993.85 0.130 66.58 1993.95 0.127 64.55 1994.05 0.123 62.41 1994.15 0.120 60.14 1994.25 0.116 57.75 1994.35 0.113 55.21 1994.45 0.110 52.54 1994.55 0.107 49.70 1994.65 0.104 46.71 1994.75 0.101 43.55 1994.85 0.099 40.22 1994.95 0.097 36.72 1995.05 0.094 33.06 1995.15 0.092 29.23 1995.25 0.091 25.25 1995.35 0.089 21.12 1995.45 0.088 16.88 1995.55 0.087 12.55 1995.65 0.087 8.14 1995.75 0.087 3.69 1995.85 0.087 359.23 1995.95 0.087 354.79 1996.05 0.087 350.40 1996.15 0.088 346.07 1996.25 0.089 341.84 1996.35 0.091 337.72 1996.45 0.092 333.72 1996.55 0.094 329.85 1996.65 0.095 326.11 1996.75 0.097 322.51 1996.85 0.099 319.04 1996.95 0.101 315.70 1997.05 0.103 312.49 1997.15 0.105 309.39 1997.25 0.107 306.42 1997.35 0.109 303.55 1997.45 0.111 300.78 1997.55 0.113 298.11 1997.65 0.115 295.53 1997.75 0.117 293.04 1997.85 0.119 290.62 1997.95 0.120 288.28 1998.05 0.122 286.02 1998.15 0.124 283.81 1998.25 0.126 281.68 1998.35 0.128 279.60 1998.45 0.129 277.58 1998.55 0.131 275.61 1998.65 0.133 273.69 1998.75 0.135 271.82 1998.85 0.136 270.00 1998.95 0.138 268.23 1999.05 0.140 266.50 1999.15 0.141 264.80 1999.25 0.143 263.15 1999.35 0.145 261.54 1999.45 0.146 259.96 1999.55 0.148 258.42 1999.65 0.150 256.92 1999.75 0.151 255.44 1999.85 0.153 254.00 1999.95 0.155 252.59 2000.05 0.156 251.21 2000.15 0.158 249.87 2000.25 0.160 248.54 2000.35 0.162 247.25 2000.45 0.163 245.98 2000.55 0.165 244.74 2000.65 0.167 243.53 2000.75 0.168 242.34 2000.85 0.170 241.17 2000.95 0.172 240.03 2001.05 0.174 238.91 2001.15 0.175 237.81 2001.25 0.177 236.74 2001.35 0.179 235.68 2001.45 0.181 234.65 2001.55 0.182 233.63 2001.65 0.184 232.64 2001.75 0.186 231.66 2001.85 0.188 230.70 2001.95 0.189 229.76 2002.05 0.191 228.84 2002.15 0.193 227.93 2002.25 0.195 227.04 2002.35 0.196 226.17 2002.45 0.198 225.31 2002.55 0.200 224.47 2002.65 0.202 223.64 2002.75 0.204 222.83 2002.85 0.205 222.03 2002.95 0.207 221.24 2003.05 0.209 220.47 2003.15 0.211 219.71 2003.25 0.213 218.97 2003.35 0.214 218.24 2003.45 0.216 217.52 2003.55 0.218 216.81 2003.65 0.220 216.11 2003.75 0.222 215.42 2003.85 0.223 214.75 2003.95 0.225 214.08 2004.05 0.227 213.43 2004.15 0.229 212.79 2004.25 0.230 212.15 2004.35 0.232 211.53 2004.45 0.234 210.92 2004.55 0.236 210.31 2004.65 0.238 209.72 2004.75 0.239 209.13 2004.85 0.241 208.55 2004.95 0.243 207.98 2005.05 0.245 207.42 2005.15 0.247 206.87 2005.25 0.248 206.32 2005.35 0.250 205.78 2005.45 0.252 205.25 2005.55 0.254 204.73 2005.65 0.255 204.21 2005.75 0.257 203.70 2005.85 0.259 203.20 2005.95 0.261 202.71 2006.05 0.262 202.22 2006.15 0.264 201.74 2006.25 0.266 201.26 2006.35 0.268 200.79 2006.45 0.269 200.33 2006.55 0.271 199.87 2006.65 0.273 199.42 2006.75 0.274 198.97 2006.85 0.276 198.53 2006.95 0.278 198.10 2007.05 0.280 197.67 2007.15 0.281 197.24 2007.25 0.283 196.82 2007.35 0.285 196.41 2007.45 0.286 196.00 2007.55 0.288 195.59 2007.65 0.290 195.19 2007.75 0.291 194.80 2007.85 0.293 194.41 2007.95 0.295 194.02 2008.05 0.296 193.64 2008.15 0.298 193.26 2008.25 0.300 192.88 2008.35 0.301 192.51 2008.45 0.303 192.15 2008.55 0.304 191.79 2008.65 0.306 191.43 2008.75 0.308 191.07 2008.85 0.309 190.72 2008.95 0.311 190.37 2009.05 0.312 190.03 2009.15 0.314 189.69 2009.25 0.316 189.35 2009.35 0.317 189.02 2009.45 0.319 188.69 2009.55 0.320 188.36 2009.65 0.322 188.04 2009.75 0.324 187.72 2009.85 0.325 187.40 2009.95 0.327 187.09 2010.05 0.328 186.78 2010.15 0.330 186.47 2010.25 0.331 186.16 2010.35 0.333 185.86 2010.45 0.334 185.56 2010.55 0.336 185.26 2010.65 0.337 184.97 2010.75 0.339 184.67 2010.85 0.340 184.38 2010.95 0.342 184.10 2011.05 0.343 183.81 2011.15 0.345 183.53 2011.25 0.346 183.25 2011.35 0.348 182.97 2011.45 0.349 182.70 2011.55 0.350 182.42 2011.65 0.352 182.15 2011.75 0.353 181.88 2011.85 0.355 181.62 2011.95 0.356 181.35 2012.05 0.358 181.09 2012.15 0.359 180.83 2012.25 0.360 180.57 2012.35 0.362 180.32 2012.45 0.363 180.06 2012.55 0.365 179.81 2012.65 0.366 179.56 2012.75 0.367 179.31 2012.85 0.369 179.06 2012.95 0.370 178.82 2013.05 0.371 178.58 2013.15 0.373 178.34 2013.25 0.374 178.10 2013.35 0.375 177.86 2013.45 0.377 177.62 2013.55 0.378 177.39 2013.65 0.379 177.15 2013.75 0.381 176.92 2013.85 0.382 176.69 2013.95 0.383 176.47 2014.05 0.384 176.24 2014.15 0.386 176.01 2014.25 0.387 175.79 2014.35 0.388 175.57 2014.45 0.390 175.35 2014.55 0.391 175.13 2014.65 0.392 174.91 2014.75 0.393 174.69 2014.85 0.395 174.48 2014.95 0.396 174.26 2015.05 0.397 174.05 2015.15 0.398 173.84 2015.25 0.399 173.63 2015.35 0.401 173.42 2015.45 0.402 173.21 2015.55 0.403 173.01 2015.65 0.404 172.80 2015.75 0.405 172.60 2015.85 0.406 172.40 2015.95 0.408 172.19 2016.05 0.409 171.99 2016.15 0.410 171.79 2016.25 0.411 171.60 2016.35 0.412 171.40 2016.45 0.413 171.20 2016.55 0.414 171.01 2016.65 0.416 170.81 2016.75 0.417 170.62 2016.85 0.418 170.43 2016.95 0.419 170.24 2017.05 0.420 170.05 2017.15 0.421 169.86 2017.25 0.422 169.67 2017.35 0.423 169.49 2017.45 0.424 169.30 2017.55 0.425 169.11 2017.65 0.426 168.93 2017.75 0.427 168.75 2017.85 0.428 168.56 2017.95 0.429 168.38 2018.05 0.430 168.20 2018.15 0.431 168.02 2018.25 0.432 167.84 2018.35 0.433 167.67 2018.45 0.434 167.49 2018.55 0.435 167.31 2018.65 0.436 167.14 2018.75 0.437 166.96 2018.85 0.438 166.79 2018.95 0.439 166.61 2019.05 0.440 166.44 2019.15 0.441 166.27 2019.25 0.442 166.10 2019.35 0.443 165.93 2019.45 0.444 165.76 2019.55 0.445 165.59 2019.65 0.446 165.42 2019.75 0.447 165.25 2019.85 0.448 165.08 2019.95 0.448 164.92 2020.05 0.449 164.75 2020.15 0.450 164.59 2020.25 0.451 164.42 2020.35 0.452 164.26 2020.45 0.453 164.10 2020.55 0.454 163.93 2020.65 0.455 163.77 2020.75 0.455 163.61 2020.85 0.456 163.45 2020.95 0.457 163.29 2021.05 0.458 163.13 2021.15 0.459 162.97 2021.25 0.459 162.81 2021.35 0.460 162.65 2021.45 0.461 162.50 2021.55 0.462 162.34 2021.65 0.463 162.18 2021.75 0.463 162.03 2021.85 0.464 161.87 2021.95 0.465 161.72 2022.05 0.466 161.56 2022.15 0.466 161.41 2022.25 0.467 161.26 2022.35 0.468 161.10 2022.45 0.469 160.95 2022.55 0.469 160.80 2022.65 0.470 160.65 2022.75 0.471 160.50 2022.85 0.471 160.35 2022.95 0.472 160.20 2023.05 0.473 160.05 2023.15 0.473 159.90 2023.25 0.474 159.75 2023.35 0.475 159.60 2023.45 0.475 159.45 2023.55 0.476 159.30 2023.65 0.477 159.16 2023.75 0.477 159.01 2023.85 0.478 158.86 2023.95 0.479 158.72 2024.05 0.479 158.57 2024.15 0.480 158.43 2024.25 0.480 158.28 2024.35 0.481 158.14 2024.45 0.481 157.99 2024.55 0.482 157.85 2024.65 0.483 157.71 2024.75 0.483 157.56 2024.85 0.484 157.42 2024.95 0.484 157.28 2025.05 0.485 157.14 2025.15 0.485 156.99 2025.25 0.486 156.85 2025.35 0.486 156.71 2025.45 0.487 156.57 2025.55 0.487 156.43 2025.65 0.488 156.29 2025.75 0.488 156.15 2025.85 0.489 156.01 2025.95 0.489 155.87 2026.05 0.490 155.73 2026.15 0.490 155.59 2026.25 0.491 155.45 2026.35 0.491 155.31 2026.45 0.492 155.17 2026.55 0.492 155.04 2026.65 0.493 154.90 2026.75 0.493 154.76 2026.85 0.493 154.62 2026.95 0.494 154.49 2027.05 0.494 154.35 2027.15 0.495 154.21 2027.25 0.495 154.08 2027.35 0.495 153.94 2027.45 0.496 153.81 2027.55 0.496 153.67 2027.65 0.496 153.53 2027.75 0.497 153.40 2027.85 0.497 153.26 2027.95 0.497 153.13 2028.05 0.498 152.99 2028.15 0.498 152.86 2028.25 0.498 152.72 2028.35 0.499 152.59 2028.45 0.499 152.46 2028.55 0.499 152.32 2028.65 0.500 152.19 2028.75 0.500 152.05 2028.85 0.500 151.92 2028.95 0.500 151.79 2029.05 0.501 151.65 2029.15 0.501 151.52 2029.25 0.501 151.39 2029.35 0.501 151.25 2029.45 0.502 151.12 2029.55 0.502 150.99 2029.65 0.502 150.86 2029.75 0.502 150.72 2029.85 0.502 150.59 2029.95 0.503 150.46 2030.05 0.503 150.33 2030.15 0.503 150.20 2030.25 0.503 150.06 2030.35 0.503 149.93 2030.45 0.504 149.80 2030.55 0.504 149.67 2030.65 0.504 149.54 2030.75 0.504 149.41 2030.85 0.504 149.27 2030.95 0.504 149.14 2031.05 0.504 149.01 2031.15 0.504 148.88 2031.25 0.504 148.75 2031.35 0.505 148.62 2031.45 0.505 148.49 2031.55 0.505 148.36 2031.65 0.505 148.22 2031.75 0.505 148.09 2031.85 0.505 147.96 2031.95 0.505 147.83 2032.05 0.505 147.70 2032.15 0.505 147.57 2032.25 0.505 147.44 2032.35 0.505 147.31 2032.45 0.505 147.18 2032.55 0.505 147.05 2032.65 0.505 146.91 2032.75 0.505 146.78 2032.85 0.505 146.65 2032.95 0.505 146.52 2033.05 0.505 146.39 2033.15 0.505 146.26 2033.25 0.505 146.13 2033.35 0.505 146.00 2033.45 0.505 145.87 2033.55 0.504 145.73 2033.65 0.504 145.60 2033.75 0.504 145.47 2033.85 0.504 145.34 2033.95 0.504 145.21 2034.05 0.504 145.08 2034.15 0.504 144.95 2034.25 0.504 144.81 2034.35 0.503 144.68 2034.45 0.503 144.55 2034.55 0.503 144.42 2034.65 0.503 144.29 2034.75 0.503 144.16 2034.85 0.503 144.02 2034.95 0.502 143.89 2035.05 0.502 143.76 2035.15 0.502 143.63 2035.25 0.502 143.49 2035.35 0.501 143.36 2035.45 0.501 143.23 2035.55 0.501 143.09 2035.65 0.501 142.96 2035.75 0.500 142.83 2035.85 0.500 142.70 2035.95 0.500 142.56 2036.05 0.500 142.43 2036.15 0.499 142.29 2036.25 0.499 142.16 2036.35 0.499 142.03 2036.45 0.498 141.89 2036.55 0.498 141.76 2036.65 0.498 141.62 2036.75 0.497 141.49 2036.85 0.497 141.35 2036.95 0.497 141.22 2037.05 0.496 141.08 2037.15 0.496 140.95 2037.25 0.495 140.81 2037.35 0.495 140.67 2037.45 0.495 140.54 2037.55 0.494 140.40 2037.65 0.494 140.26 2037.75 0.493 140.13 2037.85 0.493 139.99 2037.95 0.492 139.85 2038.05 0.492 139.71 2038.15 0.491 139.58 2038.25 0.491 139.44 2038.35 0.490 139.30 2038.45 0.490 139.16 2038.55 0.489 139.02 2038.65 0.489 138.88 2038.75 0.488 138.74 2038.85 0.488 138.60 2038.95 0.487 138.46 2039.05 0.487 138.32 2039.15 0.486 138.18 2039.25 0.486 138.04 2039.35 0.485 137.90 2039.45 0.484 137.75 2039.55 0.484 137.61 2039.65 0.483 137.47 2039.75 0.483 137.32 2039.85 0.482 137.18 2039.95 0.481 137.04 2040.05 0.481 136.89 2040.15 0.480 136.75 2040.25 0.479 136.60 2040.35 0.479 136.46 2040.45 0.478 136.31 2040.55 0.477 136.16 2040.65 0.476 136.02 2040.75 0.476 135.87 2040.85 0.475 135.72 2040.95 0.474 135.57 2041.05 0.473 135.43 2041.15 0.473 135.28 2041.25 0.472 135.13 2041.35 0.471 134.98 2041.45 0.470 134.83 2041.55 0.469 134.67 2041.65 0.469 134.52 2041.75 0.468 134.37 2041.85 0.467 134.22 2041.95 0.466 134.06 2042.05 0.465 133.91 2042.15 0.464 133.76 2042.25 0.464 133.60 2042.35 0.463 133.44 2042.45 0.462 133.29 2042.55 0.461 133.13 2042.65 0.460 132.97 2042.75 0.459 132.82 2042.85 0.458 132.66 2042.95 0.457 132.50 2043.05 0.456 132.34 2043.15 0.455 132.18 2043.25 0.454 132.01 2043.35 0.453 131.85 2043.45 0.452 131.69 2043.55 0.451 131.52 2043.65 0.450 131.36 2043.75 0.449 131.19 2043.85 0.448 131.03 2043.95 0.447 130.86 2044.05 0.446 130.69 2044.15 0.445 130.53 2044.25 0.443 130.36 2044.35 0.442 130.19 2044.45 0.441 130.01 2044.55 0.440 129.84 2044.65 0.439 129.67 2044.75 0.438 129.50 2044.85 0.436 129.32 2044.95 0.435 129.15 2045.05 0.434 128.97 2045.15 0.433 128.79 2045.25 0.432 128.61 2045.35 0.430 128.43 2045.45 0.429 128.25 2045.55 0.428 128.07 2045.65 0.427 127.89 2045.75 0.425 127.70 2045.85 0.424 127.52 2045.95 0.423 127.33 2046.05 0.421 127.14 2046.15 0.420 126.95 2046.25 0.419 126.76 2046.35 0.417 126.57 2046.45 0.416 126.38 2046.55 0.414 126.19 2046.65 0.413 125.99 2046.75 0.411 125.79 2046.85 0.410 125.60 2046.95 0.409 125.40 2047.05 0.407 125.20 2047.15 0.406 124.99 2047.25 0.404 124.79 2047.35 0.403 124.59 2047.45 0.401 124.38 2047.55 0.399 124.17 2047.65 0.398 123.96 2047.75 0.396 123.75 2047.85 0.395 123.53 2047.95 0.393 123.32 2048.05 0.391 123.10 2048.15 0.390 122.88 2048.25 0.388 122.66 2048.35 0.386 122.44 2048.45 0.385 122.21 2048.55 0.383 121.99 2048.65 0.381 121.76 2048.75 0.380 121.53 2048.85 0.378 121.30 2048.95 0.376 121.06 2049.05 0.374 120.82 2049.15 0.372 120.58 2049.25 0.371 120.34 2049.35 0.369 120.10 2049.45 0.367 119.85 2049.55 0.365 119.60 2049.65 0.363 119.35 2049.75 0.361 119.09 2049.85 0.359 118.84 2049.95 0.357 118.58 2050.05 0.355 118.31 2050.15 0.353 118.05 2050.25 0.351 117.78 2050.35 0.349 117.51 2050.45 0.347 117.23 2050.55 0.345 116.95 2050.65 0.343 116.67 2050.75 0.341 116.39 2050.85 0.339 116.10 2050.95 0.337 115.80 2051.05 0.335 115.51 2051.15 0.332 115.21 2051.25 0.330 114.90 2051.35 0.328 114.60 2051.45 0.326 114.28 2051.55 0.324 113.97 2051.65 0.321 113.64 2051.75 0.319 113.32 2051.85 0.317 112.99 2051.95 0.314 112.65 2052.05 0.312 112.31 2052.15 0.309 111.97 2052.25 0.307 111.61 2052.35 0.305 111.26 2052.45 0.302 110.89 2052.55 0.300 110.53 2052.65 0.297 110.15 2052.75 0.295 109.77 2052.85 0.292 109.38 2052.95 0.290 108.99 2053.05 0.287 108.59 2053.15 0.284 108.18 2053.25 0.282 107.76 2053.35 0.279 107.33 2053.45 0.276 106.90 2053.55 0.274 106.46 2053.65 0.271 106.01 2053.75 0.268 105.55 2053.85 0.265 105.08 2053.95 0.262 104.60 2054.05 0.260 104.11 2054.15 0.257 103.61 2054.25 0.254 103.10 2054.35 0.251 102.57 2054.45 0.248 102.04 2054.55 0.245 101.49 2054.65 0.242 100.92 2054.75 0.239 100.34 2054.85 0.236 99.75 2054.95 0.233 99.14 2055.05 0.230 98.52 2055.15 0.227 97.88 2055.25 0.223 97.22 2055.35 0.220 96.54 2055.45 0.217 95.84 2055.55 0.214 95.12 2055.65 0.210 94.38 2055.75 0.207 93.61 2055.85 0.204 92.82 2055.95 0.200 92.00 2056.05 0.197 91.15 2056.15 0.194 90.28 2056.25 0.190 89.37 2056.35 0.187 88.43 2056.45 0.183 87.45 2056.55 0.180 86.44 2056.65 0.176 85.39 2056.75 0.173 84.29 2056.85 0.169 83.14 2056.95 0.166 81.95
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:09:07 |