| WDS: | A689 | WDS ID/Discoverer |
| P: | 63.800 | Orbital period (years) |
| a: | 0.265 | Semi-major axis (arcseconds) |
| i: | 93.8 | Inclination (degrees) |
| Ω: | 145.2 | Longitude of ascending node (degrees) |
| T: | 1987.710 | Epoch of periastron passage (year) |
| e: | 0.375 | Eccentricity |
| ω: | 352.0 | Longitude of periastron (degrees) |
| Start-Year: | 1993.1 | Year |
| End-Year: | 2056.9 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A689 |
||
| Position: | 150708.61-021650.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 15071-0217 | WDS designation |
| Discoverer Code: | A689 | Discover designation and components |
| ADS number: | 9504 | Aitken Double Star catalog |
| HD number: | 133928 | HD catalog number |
| Hipparcos number: | 73982 | Hipparcos catalog number |
| V1: | 8.2 | Magnitude of the primary |
| V2: | 8.7 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2023 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Doc2023c | 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 0.345 324.43 -------------------------- 1993.10 0.110 139.55 1993.20 0.107 139.35 1993.30 0.105 139.13 1993.40 0.103 138.91 1993.50 0.101 138.67 1993.60 0.098 138.42 1993.70 0.096 138.17 1993.80 0.094 137.90 1993.90 0.091 137.61 1994.00 0.089 137.32 1994.10 0.087 137.00 1994.20 0.084 136.67 1994.30 0.082 136.32 1994.40 0.080 135.94 1994.50 0.077 135.55 1994.60 0.075 135.13 1994.70 0.072 134.68 1994.80 0.070 134.20 1994.90 0.067 133.68 1995.00 0.065 133.12 1995.10 0.063 132.53 1995.20 0.060 131.88 1995.30 0.058 131.18 1995.40 0.055 130.41 1995.50 0.053 129.57 1995.60 0.050 128.65 1995.70 0.048 127.64 1995.80 0.045 126.51 1995.90 0.043 125.26 1996.00 0.040 123.85 1996.10 0.038 122.27 1996.20 0.036 120.48 1996.30 0.033 118.43 1996.40 0.031 116.08 1996.50 0.029 113.35 1996.60 0.027 110.18 1996.70 0.025 106.45 1996.80 0.023 102.06 1996.90 0.021 96.88 1997.00 0.019 90.77 1997.10 0.018 83.65 1997.20 0.017 75.51 1997.30 0.016 66.51 1997.40 0.016 56.99 1997.50 0.016 47.47 1997.60 0.017 38.42 1997.70 0.018 30.22 1997.80 0.019 23.03 1997.90 0.021 16.86 1998.00 0.022 11.63 1998.10 0.024 7.19 1998.20 0.027 3.43 1998.30 0.029 0.23 1998.40 0.031 357.48 1998.50 0.033 355.11 1998.60 0.036 353.04 1998.70 0.038 351.24 1998.80 0.040 349.65 1998.90 0.043 348.23 1999.00 0.045 346.97 1999.10 0.048 345.85 1999.20 0.050 344.83 1999.30 0.053 343.90 1999.40 0.055 343.07 1999.50 0.058 342.30 1999.60 0.060 341.60 1999.70 0.063 340.95 1999.80 0.065 340.35 1999.90 0.068 339.80 2000.00 0.070 339.29 2000.10 0.073 338.81 2000.20 0.075 338.36 2000.30 0.078 337.95 2000.40 0.080 337.56 2000.50 0.083 337.19 2000.60 0.085 336.84 2000.70 0.088 336.52 2000.80 0.090 336.21 2000.90 0.093 335.91 2001.00 0.095 335.64 2001.10 0.097 335.37 2001.20 0.100 335.12 2001.30 0.102 334.89 2001.40 0.105 334.66 2001.50 0.107 334.44 2001.60 0.110 334.24 2001.70 0.112 334.04 2001.80 0.114 333.85 2001.90 0.117 333.67 2002.00 0.119 333.49 2002.10 0.122 333.32 2002.20 0.124 333.16 2002.30 0.126 333.01 2002.40 0.129 332.86 2002.50 0.131 332.71 2002.60 0.133 332.57 2002.70 0.136 332.44 2002.80 0.138 332.31 2002.90 0.140 332.18 2003.00 0.143 332.06 2003.10 0.145 331.95 2003.20 0.147 331.83 2003.30 0.150 331.72 2003.40 0.152 331.61 2003.50 0.154 331.51 2003.60 0.156 331.41 2003.70 0.159 331.31 2003.80 0.161 331.22 2003.90 0.163 331.12 2004.00 0.165 331.03 2004.10 0.167 330.94 2004.20 0.170 330.86 2004.30 0.172 330.77 2004.40 0.174 330.69 2004.50 0.176 330.61 2004.60 0.178 330.54 2004.70 0.180 330.46 2004.80 0.182 330.39 2004.90 0.185 330.31 2005.00 0.187 330.24 2005.10 0.189 330.17 2005.20 0.191 330.11 2005.30 0.193 330.04 2005.40 0.195 329.98 2005.50 0.197 329.91 2005.60 0.199 329.85 2005.70 0.201 329.79 2005.80 0.203 329.73 2005.90 0.205 329.67 2006.00 0.207 329.61 2006.10 0.209 329.56 2006.20 0.211 329.50 2006.30 0.213 329.45 2006.40 0.215 329.40 2006.50 0.217 329.34 2006.60 0.219 329.29 2006.70 0.221 329.24 2006.80 0.223 329.19 2006.90 0.224 329.14 2007.00 0.226 329.10 2007.10 0.228 329.05 2007.20 0.230 329.00 2007.30 0.232 328.96 2007.40 0.234 328.91 2007.50 0.235 328.87 2007.60 0.237 328.82 2007.70 0.239 328.78 2007.80 0.241 328.74 2007.90 0.243 328.70 2008.00 0.244 328.66 2008.10 0.246 328.61 2008.20 0.248 328.57 2008.30 0.249 328.54 2008.40 0.251 328.50 2008.50 0.253 328.46 2008.60 0.255 328.42 2008.70 0.256 328.38 2008.80 0.258 328.35 2008.90 0.259 328.31 2009.00 0.261 328.27 2009.10 0.263 328.24 2009.20 0.264 328.20 2009.30 0.266 328.17 2009.40 0.267 328.13 2009.50 0.269 328.10 2009.60 0.271 328.07 2009.70 0.272 328.03 2009.80 0.274 328.00 2009.90 0.275 327.97 2010.00 0.277 327.94 2010.10 0.278 327.91 2010.20 0.280 327.87 2010.30 0.281 327.84 2010.40 0.283 327.81 2010.50 0.284 327.78 2010.60 0.285 327.75 2010.70 0.287 327.72 2010.80 0.288 327.69 2010.90 0.290 327.66 2011.00 0.291 327.64 2011.10 0.292 327.61 2011.20 0.294 327.58 2011.30 0.295 327.55 2011.40 0.296 327.52 2011.50 0.298 327.49 2011.60 0.299 327.47 2011.70 0.300 327.44 2011.80 0.302 327.41 2011.90 0.303 327.39 2012.00 0.304 327.36 2012.10 0.305 327.33 2012.20 0.306 327.31 2012.30 0.308 327.28 2012.40 0.309 327.26 2012.50 0.310 327.23 2012.60 0.311 327.21 2012.70 0.312 327.18 2012.80 0.314 327.16 2012.90 0.315 327.13 2013.00 0.316 327.11 2013.10 0.317 327.08 2013.20 0.318 327.06 2013.30 0.319 327.03 2013.40 0.320 327.01 2013.50 0.321 326.99 2013.60 0.322 326.96 2013.70 0.323 326.94 2013.80 0.324 326.92 2013.90 0.325 326.89 2014.00 0.326 326.87 2014.10 0.327 326.85 2014.20 0.328 326.83 2014.30 0.329 326.80 2014.40 0.330 326.78 2014.50 0.331 326.76 2014.60 0.332 326.74 2014.70 0.333 326.71 2014.80 0.334 326.69 2014.90 0.335 326.67 2015.00 0.335 326.65 2015.10 0.336 326.63 2015.20 0.337 326.61 2015.30 0.338 326.58 2015.40 0.339 326.56 2015.50 0.340 326.54 2015.60 0.340 326.52 2015.70 0.341 326.50 2015.80 0.342 326.48 2015.90 0.343 326.46 2016.00 0.343 326.44 2016.10 0.344 326.42 2016.20 0.345 326.40 2016.30 0.345 326.38 2016.40 0.346 326.36 2016.50 0.347 326.33 2016.60 0.347 326.31 2016.70 0.348 326.29 2016.80 0.349 326.27 2016.90 0.349 326.25 2017.00 0.350 326.23 2017.10 0.351 326.21 2017.20 0.351 326.20 2017.30 0.352 326.18 2017.40 0.352 326.16 2017.50 0.353 326.14 2017.60 0.353 326.12 2017.70 0.354 326.10 2017.80 0.354 326.08 2017.90 0.355 326.06 2018.00 0.355 326.04 2018.10 0.356 326.02 2018.20 0.356 326.00 2018.30 0.357 325.98 2018.40 0.357 325.96 2018.50 0.357 325.94 2018.60 0.358 325.92 2018.70 0.358 325.91 2018.80 0.358 325.89 2018.90 0.359 325.87 2019.00 0.359 325.85 2019.10 0.359 325.83 2019.20 0.360 325.81 2019.30 0.360 325.79 2019.40 0.360 325.77 2019.50 0.361 325.75 2019.60 0.361 325.74 2019.70 0.361 325.72 2019.80 0.361 325.70 2019.90 0.361 325.68 2020.00 0.362 325.66 2020.10 0.362 325.64 2020.20 0.362 325.62 2020.30 0.362 325.61 2020.40 0.362 325.59 2020.50 0.362 325.57 2020.60 0.363 325.55 2020.70 0.363 325.53 2020.80 0.363 325.51 2020.90 0.363 325.49 2021.00 0.363 325.48 2021.10 0.363 325.46 2021.20 0.363 325.44 2021.30 0.363 325.42 2021.40 0.363 325.40 2021.50 0.363 325.38 2021.60 0.363 325.36 2021.70 0.363 325.35 2021.80 0.363 325.33 2021.90 0.363 325.31 2022.00 0.363 325.29 2022.10 0.363 325.27 2022.20 0.363 325.25 2022.30 0.363 325.24 2022.40 0.362 325.22 2022.50 0.362 325.20 2022.60 0.362 325.18 2022.70 0.362 325.16 2022.80 0.362 325.14 2022.90 0.362 325.12 2023.00 0.361 325.11 2023.10 0.361 325.09 2023.20 0.361 325.07 2023.30 0.361 325.05 2023.40 0.360 325.03 2023.50 0.360 325.01 2023.60 0.360 324.99 2023.70 0.359 324.97 2023.80 0.359 324.96 2023.90 0.359 324.94 2024.00 0.358 324.92 2024.10 0.358 324.90 2024.20 0.358 324.88 2024.30 0.357 324.86 2024.40 0.357 324.84 2024.50 0.357 324.82 2024.60 0.356 324.80 2024.70 0.356 324.78 2024.80 0.355 324.76 2024.90 0.355 324.75 2025.00 0.354 324.73 2025.10 0.354 324.71 2025.20 0.353 324.69 2025.30 0.353 324.67 2025.40 0.352 324.65 2025.50 0.352 324.63 2025.60 0.351 324.61 2025.70 0.350 324.59 2025.80 0.350 324.57 2025.90 0.349 324.55 2026.00 0.349 324.53 2026.10 0.348 324.51 2026.20 0.347 324.49 2026.30 0.347 324.47 2026.40 0.346 324.45 2026.50 0.345 324.43 2026.60 0.345 324.41 2026.70 0.344 324.39 2026.80 0.343 324.37 2026.90 0.342 324.35 2027.00 0.342 324.32 2027.10 0.341 324.30 2027.20 0.340 324.28 2027.30 0.339 324.26 2027.40 0.338 324.24 2027.50 0.337 324.22 2027.60 0.337 324.20 2027.70 0.336 324.18 2027.80 0.335 324.15 2027.90 0.334 324.13 2028.00 0.333 324.11 2028.10 0.332 324.09 2028.20 0.331 324.07 2028.30 0.330 324.04 2028.40 0.329 324.02 2028.50 0.328 324.00 2028.60 0.327 323.98 2028.70 0.326 323.95 2028.80 0.325 323.93 2028.90 0.324 323.91 2029.00 0.323 323.88 2029.10 0.322 323.86 2029.20 0.321 323.84 2029.30 0.320 323.81 2029.40 0.319 323.79 2029.50 0.318 323.77 2029.60 0.316 323.74 2029.70 0.315 323.72 2029.80 0.314 323.69 2029.90 0.313 323.67 2030.00 0.312 323.64 2030.10 0.310 323.62 2030.20 0.309 323.59 2030.30 0.308 323.57 2030.40 0.307 323.54 2030.50 0.305 323.51 2030.60 0.304 323.49 2030.70 0.303 323.46 2030.80 0.302 323.44 2030.90 0.300 323.41 2031.00 0.299 323.38 2031.10 0.297 323.35 2031.20 0.296 323.33 2031.30 0.295 323.30 2031.40 0.293 323.27 2031.50 0.292 323.24 2031.60 0.290 323.21 2031.70 0.289 323.18 2031.80 0.287 323.16 2031.90 0.286 323.13 2032.00 0.284 323.10 2032.10 0.283 323.07 2032.20 0.281 323.03 2032.30 0.280 323.00 2032.40 0.278 322.97 2032.50 0.277 322.94 2032.60 0.275 322.91 2032.70 0.274 322.88 2032.80 0.272 322.84 2032.90 0.270 322.81 2033.00 0.269 322.78 2033.10 0.267 322.74 2033.20 0.265 322.71 2033.30 0.264 322.67 2033.40 0.262 322.64 2033.50 0.260 322.60 2033.60 0.258 322.57 2033.70 0.257 322.53 2033.80 0.255 322.49 2033.90 0.253 322.46 2034.00 0.251 322.42 2034.10 0.250 322.38 2034.20 0.248 322.34 2034.30 0.246 322.30 2034.40 0.244 322.26 2034.50 0.242 322.22 2034.60 0.240 322.18 2034.70 0.238 322.13 2034.80 0.236 322.09 2034.90 0.235 322.05 2035.00 0.233 322.00 2035.10 0.231 321.96 2035.20 0.229 321.91 2035.30 0.227 321.86 2035.40 0.225 321.81 2035.50 0.223 321.77 2035.60 0.221 321.72 2035.70 0.219 321.67 2035.80 0.216 321.61 2035.90 0.214 321.56 2036.00 0.212 321.51 2036.10 0.210 321.45 2036.20 0.208 321.40 2036.30 0.206 321.34 2036.40 0.204 321.28 2036.50 0.202 321.22 2036.60 0.199 321.16 2036.70 0.197 321.10 2036.80 0.195 321.04 2036.90 0.193 320.97 2037.00 0.191 320.91 2037.10 0.188 320.84 2037.20 0.186 320.77 2037.30 0.184 320.70 2037.40 0.181 320.63 2037.50 0.179 320.55 2037.60 0.177 320.47 2037.70 0.174 320.39 2037.80 0.172 320.31 2037.90 0.170 320.23 2038.00 0.167 320.14 2038.10 0.165 320.06 2038.20 0.163 319.97 2038.30 0.160 319.87 2038.40 0.158 319.78 2038.50 0.155 319.68 2038.60 0.153 319.57 2038.70 0.150 319.47 2038.80 0.148 319.36 2038.90 0.145 319.24 2039.00 0.143 319.13 2039.10 0.140 319.01 2039.20 0.138 318.88 2039.30 0.135 318.75 2039.40 0.133 318.61 2039.50 0.130 318.47 2039.60 0.127 318.33 2039.70 0.125 318.17 2039.80 0.122 318.01 2039.90 0.120 317.85 2040.00 0.117 317.67 2040.10 0.114 317.49 2040.20 0.112 317.30 2040.30 0.109 317.10 2040.40 0.106 316.89 2040.50 0.104 316.67 2040.60 0.101 316.44 2040.70 0.098 316.19 2040.80 0.096 315.93 2040.90 0.093 315.66 2041.00 0.090 315.37 2041.10 0.087 315.06 2041.20 0.085 314.73 2041.30 0.082 314.38 2041.40 0.079 314.00 2041.50 0.076 313.60 2041.60 0.074 313.17 2041.70 0.071 312.70 2041.80 0.068 312.19 2041.90 0.065 311.64 2042.00 0.062 311.05 2042.10 0.060 310.39 2042.20 0.057 309.68 2042.30 0.054 308.88 2042.40 0.051 308.01 2042.50 0.049 307.03 2042.60 0.046 305.93 2042.70 0.043 304.69 2042.80 0.040 303.29 2042.90 0.038 301.68 2043.00 0.035 299.82 2043.10 0.032 297.65 2043.20 0.030 295.09 2043.30 0.027 292.05 2043.40 0.025 288.40 2043.50 0.022 283.96 2043.60 0.020 278.53 2043.70 0.018 271.86 2043.80 0.017 263.73 2043.90 0.015 254.03 2044.00 0.015 242.99 2044.10 0.014 231.23 2044.20 0.015 219.69 2044.30 0.016 209.19 2044.40 0.017 200.19 2044.50 0.019 192.73 2044.60 0.021 186.63 2044.70 0.023 181.67 2044.80 0.026 177.60 2044.90 0.028 174.24 2045.00 0.031 171.42 2045.10 0.033 169.05 2045.20 0.036 167.02 2045.30 0.039 165.28 2045.40 0.041 163.76 2045.50 0.044 162.43 2045.60 0.047 161.25 2045.70 0.050 160.21 2045.80 0.052 159.27 2045.90 0.055 158.43 2046.00 0.058 157.67 2046.10 0.061 156.97 2046.20 0.063 156.34 2046.30 0.066 155.76 2046.40 0.069 155.22 2046.50 0.072 154.73 2046.60 0.074 154.27 2046.70 0.077 153.85 2046.80 0.080 153.45 2046.90 0.082 153.08 2047.00 0.085 152.73 2047.10 0.087 152.40 2047.20 0.090 152.09 2047.30 0.093 151.80 2047.40 0.095 151.52 2047.50 0.098 151.26 2047.60 0.100 151.01 2047.70 0.103 150.78 2047.80 0.105 150.55 2047.90 0.107 150.34 2048.00 0.110 150.13 2048.10 0.112 149.93 2048.20 0.115 149.74 2048.30 0.117 149.56 2048.40 0.119 149.39 2048.50 0.121 149.22 2048.60 0.123 149.05 2048.70 0.125 148.90 2048.80 0.128 148.74 2048.90 0.130 148.60 2049.00 0.132 148.45 2049.10 0.134 148.32 2049.20 0.135 148.18 2049.30 0.137 148.05 2049.40 0.139 147.92 2049.50 0.141 147.80 2049.60 0.143 147.68 2049.70 0.144 147.56 2049.80 0.146 147.44 2049.90 0.147 147.33 2050.00 0.149 147.22 2050.10 0.150 147.11 2050.20 0.152 147.00 2050.30 0.153 146.90 2050.40 0.154 146.79 2050.50 0.155 146.69 2050.60 0.157 146.59 2050.70 0.158 146.49 2050.80 0.159 146.40 2050.90 0.160 146.30 2051.00 0.160 146.20 2051.10 0.161 146.11 2051.20 0.162 146.02 2051.30 0.163 145.93 2051.40 0.163 145.83 2051.50 0.164 145.74 2051.60 0.164 145.65 2051.70 0.165 145.56 2051.80 0.165 145.47 2051.90 0.166 145.38 2052.00 0.166 145.30 2052.10 0.166 145.21 2052.20 0.166 145.12 2052.30 0.166 145.03 2052.40 0.166 144.94 2052.50 0.166 144.85 2052.60 0.166 144.77 2052.70 0.166 144.68 2052.80 0.166 144.59 2052.90 0.165 144.50 2053.00 0.165 144.41 2053.10 0.164 144.32 2053.20 0.164 144.23 2053.30 0.163 144.14 2053.40 0.163 144.05 2053.50 0.162 143.96 2053.60 0.161 143.86 2053.70 0.160 143.77 2053.80 0.160 143.67 2053.90 0.159 143.58 2054.00 0.158 143.48 2054.10 0.157 143.38 2054.20 0.155 143.28 2054.30 0.154 143.18 2054.40 0.153 143.08 2054.50 0.152 142.97 2054.60 0.151 142.87 2054.70 0.149 142.76 2054.80 0.148 142.65 2054.90 0.146 142.53 2055.00 0.145 142.42 2055.10 0.143 142.30 2055.20 0.142 142.18 2055.30 0.140 142.06 2055.40 0.139 141.94 2055.50 0.137 141.81 2055.60 0.135 141.68 2055.70 0.133 141.54 2055.80 0.132 141.40 2055.90 0.130 141.26 2056.00 0.128 141.11 2056.10 0.126 140.96 2056.20 0.124 140.81 2056.30 0.122 140.64 2056.40 0.120 140.48 2056.50 0.118 140.31 2056.60 0.116 140.13 2056.70 0.114 139.94 2056.80 0.112 139.75 2056.90 0.110 139.55
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:12:31 |