| WDS: | HDS2977AB | WDS ID/Discoverer |
| P: | 67.800 | Orbital period (years) |
| a: | 0.227 | Semi-major axis (arcseconds) |
| i: | 111.7 | Inclination (degrees) |
| Ω: | 291.1 | Longitude of ascending node (degrees) |
| T: | 2018.440 | Epoch of periastron passage (year) |
| e: | 0.825 | Eccentricity |
| ω: | 225.6 | Longitude of periastron (degrees) |
| Start-Year: | 1991.1 | Year |
| End-Year: | 2058.9 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for HDS2977AB |
||
| Position: | 205334.76-775018.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20536-7750 | WDS designation |
| Discoverer Code: | HDS2977AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 197767 | HD catalog number |
| Hipparcos number: | 103118 | Hipparcos catalog number |
| V1: | 10.19 | Magnitude of the primary |
| V2: | 10.31 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2021 | 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: | Tok2021f | 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 0.223 286.90 -------------------------- 1991.10 0.277 266.08 1991.20 0.276 266.01 1991.30 0.275 265.93 1991.40 0.275 265.86 1991.50 0.274 265.78 1991.60 0.274 265.70 1991.70 0.273 265.63 1991.80 0.272 265.55 1991.90 0.272 265.47 1992.00 0.271 265.40 1992.10 0.270 265.32 1992.20 0.270 265.24 1992.30 0.269 265.16 1992.40 0.268 265.08 1992.50 0.268 265.00 1992.60 0.267 264.92 1992.70 0.266 264.84 1992.80 0.265 264.76 1992.90 0.265 264.68 1993.00 0.264 264.60 1993.10 0.263 264.51 1993.20 0.263 264.43 1993.30 0.262 264.35 1993.40 0.261 264.26 1993.50 0.261 264.18 1993.60 0.260 264.10 1993.70 0.259 264.01 1993.80 0.258 263.93 1993.90 0.258 263.84 1994.00 0.257 263.75 1994.10 0.256 263.67 1994.20 0.255 263.58 1994.30 0.255 263.49 1994.40 0.254 263.40 1994.50 0.253 263.31 1994.60 0.252 263.22 1994.70 0.252 263.13 1994.80 0.251 263.04 1994.90 0.250 262.95 1995.00 0.249 262.86 1995.10 0.249 262.77 1995.20 0.248 262.68 1995.30 0.247 262.58 1995.40 0.246 262.49 1995.50 0.245 262.39 1995.60 0.245 262.30 1995.70 0.244 262.20 1995.80 0.243 262.11 1995.90 0.242 262.01 1996.00 0.241 261.91 1996.10 0.241 261.81 1996.20 0.240 261.71 1996.30 0.239 261.61 1996.40 0.238 261.51 1996.50 0.237 261.41 1996.60 0.236 261.31 1996.70 0.236 261.21 1996.80 0.235 261.10 1996.90 0.234 261.00 1997.00 0.233 260.90 1997.10 0.232 260.79 1997.20 0.231 260.68 1997.30 0.231 260.58 1997.40 0.230 260.47 1997.50 0.229 260.36 1997.60 0.228 260.25 1997.70 0.227 260.14 1997.80 0.226 260.03 1997.90 0.225 259.92 1998.00 0.224 259.80 1998.10 0.224 259.69 1998.20 0.223 259.57 1998.30 0.222 259.46 1998.40 0.221 259.34 1998.50 0.220 259.22 1998.60 0.219 259.11 1998.70 0.218 258.99 1998.80 0.217 258.86 1998.90 0.216 258.74 1999.00 0.215 258.62 1999.10 0.214 258.50 1999.20 0.214 258.37 1999.30 0.213 258.25 1999.40 0.212 258.12 1999.50 0.211 257.99 1999.60 0.210 257.86 1999.70 0.209 257.73 1999.80 0.208 257.60 1999.90 0.207 257.47 2000.00 0.206 257.33 2000.10 0.205 257.20 2000.20 0.204 257.06 2000.30 0.203 256.92 2000.40 0.202 256.78 2000.50 0.201 256.64 2000.60 0.200 256.50 2000.70 0.199 256.36 2000.80 0.198 256.21 2000.90 0.197 256.07 2001.00 0.196 255.92 2001.10 0.195 255.77 2001.20 0.194 255.62 2001.30 0.193 255.47 2001.40 0.192 255.31 2001.50 0.191 255.16 2001.60 0.190 255.00 2001.70 0.189 254.84 2001.80 0.188 254.68 2001.90 0.187 254.52 2002.00 0.186 254.36 2002.10 0.185 254.19 2002.20 0.184 254.02 2002.30 0.183 253.85 2002.40 0.182 253.68 2002.50 0.181 253.51 2002.60 0.180 253.33 2002.70 0.179 253.16 2002.80 0.178 252.98 2002.90 0.177 252.79 2003.00 0.176 252.61 2003.10 0.175 252.42 2003.20 0.174 252.24 2003.30 0.173 252.05 2003.40 0.172 251.85 2003.50 0.170 251.66 2003.60 0.169 251.46 2003.70 0.168 251.26 2003.80 0.167 251.06 2003.90 0.166 250.85 2004.00 0.165 250.64 2004.10 0.164 250.43 2004.20 0.163 250.22 2004.30 0.162 250.00 2004.40 0.161 249.78 2004.50 0.160 249.56 2004.60 0.158 249.33 2004.70 0.157 249.10 2004.80 0.156 248.87 2004.90 0.155 248.63 2005.00 0.154 248.39 2005.10 0.153 248.15 2005.20 0.152 247.91 2005.30 0.151 247.66 2005.40 0.150 247.40 2005.50 0.148 247.14 2005.60 0.147 246.88 2005.70 0.146 246.62 2005.80 0.145 246.35 2005.90 0.144 246.07 2006.00 0.143 245.79 2006.10 0.142 245.51 2006.20 0.140 245.22 2006.30 0.139 244.93 2006.40 0.138 244.63 2006.50 0.137 244.33 2006.60 0.136 244.02 2006.70 0.135 243.71 2006.80 0.133 243.39 2006.90 0.132 243.07 2007.00 0.131 242.74 2007.10 0.130 242.41 2007.20 0.129 242.06 2007.30 0.128 241.72 2007.40 0.127 241.36 2007.50 0.125 241.00 2007.60 0.124 240.64 2007.70 0.123 240.26 2007.80 0.122 239.88 2007.90 0.121 239.49 2008.00 0.119 239.09 2008.10 0.118 238.69 2008.20 0.117 238.28 2008.30 0.116 237.85 2008.40 0.115 237.43 2008.50 0.114 236.99 2008.60 0.112 236.54 2008.70 0.111 236.08 2008.80 0.110 235.61 2008.90 0.109 235.14 2009.00 0.108 234.65 2009.10 0.107 234.15 2009.20 0.105 233.64 2009.30 0.104 233.12 2009.40 0.103 232.59 2009.50 0.102 232.04 2009.60 0.101 231.49 2009.70 0.100 230.92 2009.80 0.098 230.33 2009.90 0.097 229.73 2010.00 0.096 229.12 2010.10 0.095 228.49 2010.20 0.094 227.85 2010.30 0.093 227.19 2010.40 0.091 226.52 2010.50 0.090 225.83 2010.60 0.089 225.12 2010.70 0.088 224.39 2010.80 0.087 223.64 2010.90 0.086 222.88 2011.00 0.085 222.09 2011.10 0.084 221.29 2011.20 0.083 220.46 2011.30 0.082 219.61 2011.40 0.080 218.74 2011.50 0.079 217.84 2011.60 0.078 216.92 2011.70 0.077 215.98 2011.80 0.076 215.01 2011.90 0.075 214.02 2012.00 0.074 213.00 2012.10 0.073 211.95 2012.20 0.072 210.87 2012.30 0.071 209.76 2012.40 0.070 208.63 2012.50 0.070 207.46 2012.60 0.069 206.27 2012.70 0.068 205.04 2012.80 0.067 203.78 2012.90 0.066 202.49 2013.00 0.065 201.17 2013.10 0.065 199.81 2013.20 0.064 198.42 2013.30 0.063 197.00 2013.40 0.062 195.55 2013.50 0.062 194.06 2013.60 0.061 192.54 2013.70 0.060 190.99 2013.80 0.060 189.41 2013.90 0.059 187.79 2014.00 0.059 186.15 2014.10 0.058 184.48 2014.20 0.058 182.78 2014.30 0.057 181.05 2014.40 0.057 179.30 2014.50 0.057 177.53 2014.60 0.056 175.74 2014.70 0.056 173.92 2014.80 0.056 172.09 2014.90 0.056 170.25 2015.00 0.055 168.39 2015.10 0.055 166.52 2015.20 0.055 164.64 2015.30 0.055 162.75 2015.40 0.055 160.86 2015.50 0.055 158.97 2015.60 0.055 157.07 2015.70 0.055 155.18 2015.80 0.055 153.28 2015.90 0.055 151.39 2016.00 0.055 149.51 2016.10 0.055 147.63 2016.20 0.055 145.75 2016.30 0.055 143.88 2016.40 0.055 142.01 2016.50 0.055 140.15 2016.60 0.055 138.29 2016.70 0.055 136.43 2016.80 0.055 134.57 2016.90 0.055 132.70 2017.00 0.055 130.82 2017.10 0.055 128.92 2017.20 0.054 127.01 2017.30 0.054 125.06 2017.40 0.053 123.07 2017.50 0.052 121.02 2017.60 0.051 118.90 2017.70 0.050 116.67 2017.80 0.048 114.32 2017.90 0.047 111.78 2018.00 0.044 109.01 2018.10 0.042 105.90 2018.20 0.038 102.33 2018.30 0.035 98.09 2018.40 0.031 92.88 2018.50 0.027 86.19 2018.60 0.023 77.28 2018.70 0.020 65.09 2018.80 0.018 48.70 2018.90 0.017 28.89 2019.00 0.018 9.20 2019.10 0.020 353.11 2019.20 0.024 341.28 2019.30 0.028 332.77 2019.40 0.033 326.54 2019.50 0.037 321.84 2019.60 0.042 318.17 2019.70 0.047 315.24 2019.80 0.051 312.83 2019.90 0.056 310.81 2020.00 0.060 309.10 2020.10 0.064 307.61 2020.20 0.068 306.31 2020.30 0.073 305.16 2020.40 0.077 304.13 2020.50 0.081 303.21 2020.60 0.084 302.37 2020.70 0.088 301.60 2020.80 0.092 300.89 2020.90 0.095 300.24 2021.00 0.099 299.63 2021.10 0.102 299.07 2021.20 0.106 298.54 2021.30 0.109 298.04 2021.40 0.112 297.58 2021.50 0.115 297.14 2021.60 0.119 296.72 2021.70 0.122 296.32 2021.80 0.125 295.94 2021.90 0.128 295.58 2022.00 0.130 295.24 2022.10 0.133 294.91 2022.20 0.136 294.60 2022.30 0.139 294.29 2022.40 0.142 294.00 2022.50 0.144 293.72 2022.60 0.147 293.45 2022.70 0.149 293.19 2022.80 0.152 292.94 2022.90 0.154 292.70 2023.00 0.157 292.46 2023.10 0.159 292.23 2023.20 0.162 292.01 2023.30 0.164 291.79 2023.40 0.166 291.58 2023.50 0.168 291.38 2023.60 0.171 291.18 2023.70 0.173 290.98 2023.80 0.175 290.80 2023.90 0.177 290.61 2024.00 0.179 290.43 2024.10 0.181 290.25 2024.20 0.183 290.08 2024.30 0.185 289.91 2024.40 0.187 289.75 2024.50 0.189 289.59 2024.60 0.191 289.43 2024.70 0.193 289.27 2024.80 0.195 289.12 2024.90 0.197 288.97 2025.00 0.199 288.83 2025.10 0.200 288.68 2025.20 0.202 288.54 2025.30 0.204 288.40 2025.40 0.206 288.27 2025.50 0.207 288.13 2025.60 0.209 288.00 2025.70 0.211 287.87 2025.80 0.212 287.75 2025.90 0.214 287.62 2026.00 0.216 287.50 2026.10 0.217 287.37 2026.20 0.219 287.25 2026.30 0.220 287.14 2026.40 0.222 287.02 2026.50 0.223 286.90 2026.60 0.225 286.79 2026.70 0.226 286.68 2026.80 0.228 286.57 2026.90 0.229 286.46 2027.00 0.231 286.35 2027.10 0.232 286.24 2027.20 0.234 286.14 2027.30 0.235 286.03 2027.40 0.236 285.93 2027.50 0.238 285.83 2027.60 0.239 285.73 2027.70 0.240 285.63 2027.80 0.242 285.53 2027.90 0.243 285.43 2028.00 0.244 285.34 2028.10 0.245 285.24 2028.20 0.247 285.15 2028.30 0.248 285.05 2028.40 0.249 284.96 2028.50 0.250 284.87 2028.60 0.251 284.78 2028.70 0.253 284.69 2028.80 0.254 284.60 2028.90 0.255 284.51 2029.00 0.256 284.42 2029.10 0.257 284.33 2029.20 0.258 284.25 2029.30 0.259 284.16 2029.40 0.260 284.08 2029.50 0.262 283.99 2029.60 0.263 283.91 2029.70 0.264 283.83 2029.80 0.265 283.75 2029.90 0.266 283.67 2030.00 0.267 283.59 2030.10 0.268 283.51 2030.20 0.269 283.43 2030.30 0.270 283.35 2030.40 0.271 283.27 2030.50 0.272 283.19 2030.60 0.272 283.11 2030.70 0.273 283.04 2030.80 0.274 282.96 2030.90 0.275 282.88 2031.00 0.276 282.81 2031.10 0.277 282.73 2031.20 0.278 282.66 2031.30 0.279 282.59 2031.40 0.280 282.51 2031.50 0.280 282.44 2031.60 0.281 282.37 2031.70 0.282 282.30 2031.80 0.283 282.22 2031.90 0.284 282.15 2032.00 0.285 282.08 2032.10 0.285 282.01 2032.20 0.286 281.94 2032.30 0.287 281.87 2032.40 0.288 281.80 2032.50 0.288 281.73 2032.60 0.289 281.66 2032.70 0.290 281.60 2032.80 0.291 281.53 2032.90 0.291 281.46 2033.00 0.292 281.39 2033.10 0.293 281.33 2033.20 0.293 281.26 2033.30 0.294 281.19 2033.40 0.295 281.13 2033.50 0.295 281.06 2033.60 0.296 281.00 2033.70 0.297 280.93 2033.80 0.297 280.87 2033.90 0.298 280.80 2034.00 0.299 280.74 2034.10 0.299 280.67 2034.20 0.300 280.61 2034.30 0.300 280.55 2034.40 0.301 280.48 2034.50 0.301 280.42 2034.60 0.302 280.36 2034.70 0.303 280.30 2034.80 0.303 280.23 2034.90 0.304 280.17 2035.00 0.304 280.11 2035.10 0.305 280.05 2035.20 0.305 279.99 2035.30 0.306 279.92 2035.40 0.306 279.86 2035.50 0.307 279.80 2035.60 0.307 279.74 2035.70 0.308 279.68 2035.80 0.308 279.62 2035.90 0.309 279.56 2036.00 0.309 279.50 2036.10 0.310 279.44 2036.20 0.310 279.38 2036.30 0.311 279.32 2036.40 0.311 279.26 2036.50 0.311 279.21 2036.60 0.312 279.15 2036.70 0.312 279.09 2036.80 0.313 279.03 2036.90 0.313 278.97 2037.00 0.314 278.91 2037.10 0.314 278.85 2037.20 0.314 278.80 2037.30 0.315 278.74 2037.40 0.315 278.68 2037.50 0.315 278.62 2037.60 0.316 278.57 2037.70 0.316 278.51 2037.80 0.316 278.45 2037.90 0.317 278.39 2038.00 0.317 278.34 2038.10 0.317 278.28 2038.20 0.318 278.22 2038.30 0.318 278.17 2038.40 0.318 278.11 2038.50 0.319 278.05 2038.60 0.319 278.00 2038.70 0.319 277.94 2038.80 0.320 277.89 2038.90 0.320 277.83 2039.00 0.320 277.77 2039.10 0.320 277.72 2039.20 0.321 277.66 2039.30 0.321 277.61 2039.40 0.321 277.55 2039.50 0.321 277.50 2039.60 0.322 277.44 2039.70 0.322 277.39 2039.80 0.322 277.33 2039.90 0.322 277.28 2040.00 0.322 277.22 2040.10 0.323 277.17 2040.20 0.323 277.11 2040.30 0.323 277.06 2040.40 0.323 277.00 2040.50 0.323 276.95 2040.60 0.324 276.89 2040.70 0.324 276.84 2040.80 0.324 276.78 2040.90 0.324 276.73 2041.00 0.324 276.67 2041.10 0.324 276.62 2041.20 0.324 276.57 2041.30 0.325 276.51 2041.40 0.325 276.46 2041.50 0.325 276.40 2041.60 0.325 276.35 2041.70 0.325 276.29 2041.80 0.325 276.24 2041.90 0.325 276.19 2042.00 0.325 276.13 2042.10 0.326 276.08 2042.20 0.326 276.02 2042.30 0.326 275.97 2042.40 0.326 275.92 2042.50 0.326 275.86 2042.60 0.326 275.81 2042.70 0.326 275.75 2042.80 0.326 275.70 2042.90 0.326 275.65 2043.00 0.326 275.59 2043.10 0.326 275.54 2043.20 0.326 275.49 2043.30 0.326 275.43 2043.40 0.326 275.38 2043.50 0.326 275.32 2043.60 0.326 275.27 2043.70 0.326 275.22 2043.80 0.326 275.16 2043.90 0.326 275.11 2044.00 0.326 275.06 2044.10 0.326 275.00 2044.20 0.326 274.95 2044.30 0.326 274.90 2044.40 0.326 274.84 2044.50 0.326 274.79 2044.60 0.326 274.73 2044.70 0.326 274.68 2044.80 0.326 274.63 2044.90 0.326 274.57 2045.00 0.326 274.52 2045.10 0.326 274.47 2045.20 0.326 274.41 2045.30 0.326 274.36 2045.40 0.326 274.30 2045.50 0.326 274.25 2045.60 0.326 274.20 2045.70 0.325 274.14 2045.80 0.325 274.09 2045.90 0.325 274.03 2046.00 0.325 273.98 2046.10 0.325 273.93 2046.20 0.325 273.87 2046.30 0.325 273.82 2046.40 0.325 273.76 2046.50 0.325 273.71 2046.60 0.324 273.65 2046.70 0.324 273.60 2046.80 0.324 273.55 2046.90 0.324 273.49 2047.00 0.324 273.44 2047.10 0.324 273.38 2047.20 0.324 273.33 2047.30 0.323 273.27 2047.40 0.323 273.22 2047.50 0.323 273.16 2047.60 0.323 273.11 2047.70 0.323 273.05 2047.80 0.323 273.00 2047.90 0.322 272.94 2048.00 0.322 272.89 2048.10 0.322 272.83 2048.20 0.322 272.78 2048.30 0.322 272.72 2048.40 0.321 272.67 2048.50 0.321 272.61 2048.60 0.321 272.56 2048.70 0.321 272.50 2048.80 0.321 272.45 2048.90 0.320 272.39 2049.00 0.320 272.34 2049.10 0.320 272.28 2049.20 0.320 272.22 2049.30 0.319 272.17 2049.40 0.319 272.11 2049.50 0.319 272.06 2049.60 0.319 272.00 2049.70 0.318 271.94 2049.80 0.318 271.89 2049.90 0.318 271.83 2050.00 0.317 271.77 2050.10 0.317 271.72 2050.20 0.317 271.66 2050.30 0.317 271.60 2050.40 0.316 271.55 2050.50 0.316 271.49 2050.60 0.316 271.43 2050.70 0.315 271.37 2050.80 0.315 271.32 2050.90 0.315 271.26 2051.00 0.314 271.20 2051.10 0.314 271.14 2051.20 0.314 271.08 2051.30 0.314 271.03 2051.40 0.313 270.97 2051.50 0.313 270.91 2051.60 0.312 270.85 2051.70 0.312 270.79 2051.80 0.312 270.73 2051.90 0.311 270.68 2052.00 0.311 270.62 2052.10 0.311 270.56 2052.20 0.310 270.50 2052.30 0.310 270.44 2052.40 0.310 270.38 2052.50 0.309 270.32 2052.60 0.309 270.26 2052.70 0.308 270.20 2052.80 0.308 270.14 2052.90 0.308 270.08 2053.00 0.307 270.02 2053.10 0.307 269.96 2053.20 0.306 269.90 2053.30 0.306 269.84 2053.40 0.306 269.77 2053.50 0.305 269.71 2053.60 0.305 269.65 2053.70 0.304 269.59 2053.80 0.304 269.53 2053.90 0.303 269.47 2054.00 0.303 269.40 2054.10 0.303 269.34 2054.20 0.302 269.28 2054.30 0.302 269.22 2054.40 0.301 269.15 2054.50 0.301 269.09 2054.60 0.300 269.03 2054.70 0.300 268.96 2054.80 0.299 268.90 2054.90 0.299 268.84 2055.00 0.298 268.77 2055.10 0.298 268.71 2055.20 0.297 268.64 2055.30 0.297 268.58 2055.40 0.296 268.51 2055.50 0.296 268.45 2055.60 0.295 268.38 2055.70 0.295 268.32 2055.80 0.294 268.25 2055.90 0.294 268.19 2056.00 0.293 268.12 2056.10 0.293 268.05 2056.20 0.292 267.99 2056.30 0.292 267.92 2056.40 0.291 267.85 2056.50 0.291 267.78 2056.60 0.290 267.72 2056.70 0.290 267.65 2056.80 0.289 267.58 2056.90 0.289 267.51 2057.00 0.288 267.44 2057.10 0.287 267.37 2057.20 0.287 267.30 2057.30 0.286 267.24 2057.40 0.286 267.17 2057.50 0.285 267.10 2057.60 0.285 267.02 2057.70 0.284 266.95 2057.80 0.283 266.88 2057.90 0.283 266.81 2058.00 0.282 266.74 2058.10 0.282 266.67 2058.20 0.281 266.60 2058.30 0.280 266.52 2058.40 0.280 266.45 2058.50 0.279 266.38 2058.60 0.279 266.30 2058.70 0.278 266.23 2058.80 0.277 266.16 2058.90 0.277 266.08
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:19:50 |