| WDS: | A1866BC | WDS ID/Discoverer |
| P: | 56.400 | Orbital period (years) |
| a: | 0.279 | Semi-major axis (arcseconds) |
| i: | 37.4 | Inclination (degrees) |
| Ω: | 57.5 | Longitude of ascending node (degrees) |
| T: | 1991.200 | Epoch of periastron passage (year) |
| e: | 0.13 | Eccentricity |
| ω: | 69.4 | Longitude of periastron (degrees) |
| Start-Year: | 1996.8 | Year |
| End-Year: | 2053.2 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A1866BC |
||
| Position: | 164914.20+455900.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 16492+4559 | WDS designation |
| Discoverer Code: | A1866BC | Discover designation and components |
| ADS number: | 10227 | Aitken Double Star catalog |
| HD number: | 152107 | HD catalog number |
| Hipparcos number: | 82321 | Hipparcos catalog number |
| V1: | 9.5 | Magnitude of the primary |
| V2: | 9.6 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2011 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | DRs2012 | 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 0.248 346.45 -------------------------- 1996.80 0.210 178.04 1996.90 0.211 178.92 1997.00 0.212 179.80 1997.10 0.213 180.67 1997.20 0.213 181.53 1997.30 0.214 182.38 1997.40 0.215 183.23 1997.50 0.216 184.08 1997.60 0.217 184.91 1997.70 0.218 185.74 1997.80 0.219 186.56 1997.90 0.220 187.37 1998.00 0.221 188.18 1998.10 0.222 188.98 1998.20 0.223 189.77 1998.30 0.224 190.55 1998.40 0.225 191.33 1998.50 0.226 192.10 1998.60 0.227 192.87 1998.70 0.228 193.63 1998.80 0.229 194.38 1998.90 0.230 195.13 1999.00 0.231 195.86 1999.10 0.232 196.60 1999.20 0.233 197.32 1999.30 0.234 198.04 1999.40 0.235 198.76 1999.50 0.236 199.46 1999.60 0.237 200.17 1999.70 0.238 200.86 1999.80 0.239 201.55 1999.90 0.240 202.24 2000.00 0.241 202.91 2000.10 0.242 203.59 2000.20 0.243 204.25 2000.30 0.244 204.91 2000.40 0.245 205.57 2000.50 0.246 206.22 2000.60 0.247 206.87 2000.70 0.248 207.51 2000.80 0.249 208.14 2000.90 0.250 208.77 2001.00 0.251 209.40 2001.10 0.252 210.02 2001.20 0.252 210.64 2001.30 0.253 211.25 2001.40 0.254 211.86 2001.50 0.255 212.46 2001.60 0.256 213.06 2001.70 0.257 213.65 2001.80 0.258 214.24 2001.90 0.259 214.83 2002.00 0.260 215.41 2002.10 0.261 215.99 2002.20 0.262 216.56 2002.30 0.262 217.13 2002.40 0.263 217.70 2002.50 0.264 218.26 2002.60 0.265 218.82 2002.70 0.266 219.38 2002.80 0.267 219.93 2002.90 0.267 220.48 2003.00 0.268 221.02 2003.10 0.269 221.57 2003.20 0.270 222.10 2003.30 0.270 222.64 2003.40 0.271 223.17 2003.50 0.272 223.71 2003.60 0.273 224.23 2003.70 0.273 224.76 2003.80 0.274 225.28 2003.90 0.275 225.80 2004.00 0.275 226.32 2004.10 0.276 226.83 2004.20 0.277 227.34 2004.30 0.277 227.85 2004.40 0.278 228.36 2004.50 0.279 228.87 2004.60 0.279 229.37 2004.70 0.280 229.87 2004.80 0.280 230.37 2004.90 0.281 230.87 2005.00 0.282 231.36 2005.10 0.282 231.85 2005.20 0.283 232.34 2005.30 0.283 232.83 2005.40 0.284 233.32 2005.50 0.284 233.81 2005.60 0.285 234.29 2005.70 0.285 234.77 2005.80 0.285 235.25 2005.90 0.286 235.73 2006.00 0.286 236.21 2006.10 0.287 236.69 2006.20 0.287 237.16 2006.30 0.288 237.64 2006.40 0.288 238.11 2006.50 0.288 238.58 2006.60 0.289 239.05 2006.70 0.289 239.52 2006.80 0.289 239.99 2006.90 0.290 240.46 2007.00 0.290 240.92 2007.10 0.290 241.39 2007.20 0.290 241.85 2007.30 0.291 242.32 2007.40 0.291 242.78 2007.50 0.291 243.24 2007.60 0.291 243.70 2007.70 0.292 244.16 2007.80 0.292 244.62 2007.90 0.292 245.08 2008.00 0.292 245.54 2008.10 0.292 246.00 2008.20 0.292 246.46 2008.30 0.293 246.92 2008.40 0.293 247.37 2008.50 0.293 247.83 2008.60 0.293 248.29 2008.70 0.293 248.74 2008.80 0.293 249.20 2008.90 0.293 249.65 2009.00 0.293 250.11 2009.10 0.293 250.56 2009.20 0.293 251.02 2009.30 0.293 251.48 2009.40 0.293 251.93 2009.50 0.293 252.39 2009.60 0.293 252.84 2009.70 0.293 253.30 2009.80 0.293 253.75 2009.90 0.293 254.21 2010.00 0.293 254.66 2010.10 0.293 255.12 2010.20 0.293 255.58 2010.30 0.293 256.03 2010.40 0.293 256.49 2010.50 0.292 256.95 2010.60 0.292 257.40 2010.70 0.292 257.86 2010.80 0.292 258.32 2010.90 0.292 258.78 2011.00 0.292 259.24 2011.10 0.292 259.70 2011.20 0.291 260.16 2011.30 0.291 260.62 2011.40 0.291 261.08 2011.50 0.291 261.55 2011.60 0.291 262.01 2011.70 0.290 262.47 2011.80 0.290 262.94 2011.90 0.290 263.40 2012.00 0.290 263.87 2012.10 0.289 264.34 2012.20 0.289 264.80 2012.30 0.289 265.27 2012.40 0.289 265.74 2012.50 0.288 266.21 2012.60 0.288 266.68 2012.70 0.288 267.16 2012.80 0.287 267.63 2012.90 0.287 268.10 2013.00 0.287 268.58 2013.10 0.286 269.06 2013.20 0.286 269.54 2013.30 0.286 270.01 2013.40 0.285 270.49 2013.50 0.285 270.98 2013.60 0.285 271.46 2013.70 0.284 271.94 2013.80 0.284 272.43 2013.90 0.283 272.91 2014.00 0.283 273.40 2014.10 0.283 273.89 2014.20 0.282 274.38 2014.30 0.282 274.87 2014.40 0.281 275.37 2014.50 0.281 275.86 2014.60 0.281 276.36 2014.70 0.280 276.86 2014.80 0.280 277.36 2014.90 0.279 277.86 2015.00 0.279 278.36 2015.10 0.279 278.86 2015.20 0.278 279.37 2015.30 0.278 279.87 2015.40 0.277 280.38 2015.50 0.277 280.89 2015.60 0.276 281.40 2015.70 0.276 281.92 2015.80 0.275 282.43 2015.90 0.275 282.95 2016.00 0.275 283.47 2016.10 0.274 283.99 2016.20 0.274 284.51 2016.30 0.273 285.03 2016.40 0.273 285.56 2016.50 0.272 286.09 2016.60 0.272 286.62 2016.70 0.271 287.15 2016.80 0.271 287.68 2016.90 0.270 288.21 2017.00 0.270 288.75 2017.10 0.269 289.29 2017.20 0.269 289.83 2017.30 0.269 290.37 2017.40 0.268 290.91 2017.50 0.268 291.46 2017.60 0.267 292.01 2017.70 0.267 292.56 2017.80 0.266 293.11 2017.90 0.266 293.66 2018.00 0.265 294.21 2018.10 0.265 294.77 2018.20 0.264 295.33 2018.30 0.264 295.89 2018.40 0.264 296.45 2018.50 0.263 297.02 2018.60 0.263 297.58 2018.70 0.262 298.15 2018.80 0.262 298.72 2018.90 0.261 299.29 2019.00 0.261 299.87 2019.10 0.261 300.44 2019.20 0.260 301.02 2019.30 0.260 301.60 2019.40 0.259 302.18 2019.50 0.259 302.76 2019.60 0.259 303.35 2019.70 0.258 303.93 2019.80 0.258 304.52 2019.90 0.257 305.11 2020.00 0.257 305.70 2020.10 0.257 306.30 2020.20 0.256 306.89 2020.30 0.256 307.49 2020.40 0.256 308.09 2020.50 0.255 308.68 2020.60 0.255 309.29 2020.70 0.255 309.89 2020.80 0.254 310.49 2020.90 0.254 311.10 2021.00 0.254 311.71 2021.10 0.253 312.32 2021.20 0.253 312.93 2021.30 0.253 313.54 2021.40 0.252 314.15 2021.50 0.252 314.77 2021.60 0.252 315.39 2021.70 0.252 316.00 2021.80 0.251 316.62 2021.90 0.251 317.24 2022.00 0.251 317.86 2022.10 0.251 318.49 2022.20 0.250 319.11 2022.30 0.250 319.74 2022.40 0.250 320.36 2022.50 0.250 320.99 2022.60 0.250 321.62 2022.70 0.249 322.25 2022.80 0.249 322.88 2022.90 0.249 323.51 2023.00 0.249 324.14 2023.10 0.249 324.77 2023.20 0.249 325.41 2023.30 0.248 326.04 2023.40 0.248 326.67 2023.50 0.248 327.31 2023.60 0.248 327.95 2023.70 0.248 328.58 2023.80 0.248 329.22 2023.90 0.248 329.86 2024.00 0.248 330.50 2024.10 0.248 331.13 2024.20 0.248 331.77 2024.30 0.247 332.41 2024.40 0.247 333.05 2024.50 0.247 333.69 2024.60 0.247 334.33 2024.70 0.247 334.97 2024.80 0.247 335.61 2024.90 0.247 336.25 2025.00 0.247 336.89 2025.10 0.247 337.53 2025.20 0.247 338.17 2025.30 0.247 338.81 2025.40 0.247 339.45 2025.50 0.248 340.08 2025.60 0.248 340.72 2025.70 0.248 341.36 2025.80 0.248 342.00 2025.90 0.248 342.64 2026.00 0.248 343.27 2026.10 0.248 343.91 2026.20 0.248 344.55 2026.30 0.248 345.18 2026.40 0.248 345.82 2026.50 0.248 346.45 2026.60 0.249 347.09 2026.70 0.249 347.72 2026.80 0.249 348.35 2026.90 0.249 348.98 2027.00 0.249 349.61 2027.10 0.249 350.24 2027.20 0.250 350.87 2027.30 0.250 351.50 2027.40 0.250 352.13 2027.50 0.250 352.75 2027.60 0.250 353.38 2027.70 0.250 354.00 2027.80 0.251 354.63 2027.90 0.251 355.25 2028.00 0.251 355.87 2028.10 0.251 356.49 2028.20 0.252 357.11 2028.30 0.252 357.73 2028.40 0.252 358.34 2028.50 0.252 358.96 2028.60 0.253 359.57 2028.70 0.253 0.19 2028.80 0.253 0.80 2028.90 0.253 1.41 2029.00 0.254 2.02 2029.10 0.254 2.63 2029.20 0.254 3.23 2029.30 0.254 3.84 2029.40 0.255 4.44 2029.50 0.255 5.04 2029.60 0.255 5.65 2029.70 0.256 6.25 2029.80 0.256 6.84 2029.90 0.256 7.44 2030.00 0.256 8.04 2030.10 0.257 8.63 2030.20 0.257 9.23 2030.30 0.257 9.82 2030.40 0.258 10.41 2030.50 0.258 11.00 2030.60 0.258 11.59 2030.70 0.258 12.17 2030.80 0.259 12.76 2030.90 0.259 13.34 2031.00 0.259 13.93 2031.10 0.260 14.51 2031.20 0.260 15.09 2031.30 0.260 15.67 2031.40 0.260 16.24 2031.50 0.261 16.82 2031.60 0.261 17.40 2031.70 0.261 17.97 2031.80 0.262 18.54 2031.90 0.262 19.11 2032.00 0.262 19.68 2032.10 0.262 20.25 2032.20 0.263 20.82 2032.30 0.263 21.39 2032.40 0.263 21.96 2032.50 0.263 22.52 2032.60 0.264 23.08 2032.70 0.264 23.65 2032.80 0.264 24.21 2032.90 0.264 24.77 2033.00 0.265 25.33 2033.10 0.265 25.89 2033.20 0.265 26.45 2033.30 0.265 27.00 2033.40 0.265 27.56 2033.50 0.266 28.11 2033.60 0.266 28.67 2033.70 0.266 29.22 2033.80 0.266 29.77 2033.90 0.266 30.33 2034.00 0.266 30.88 2034.10 0.267 31.43 2034.20 0.267 31.98 2034.30 0.267 32.53 2034.40 0.267 33.08 2034.50 0.267 33.63 2034.60 0.267 34.17 2034.70 0.267 34.72 2034.80 0.267 35.27 2034.90 0.268 35.82 2035.00 0.268 36.36 2035.10 0.268 36.91 2035.20 0.268 37.45 2035.30 0.268 38.00 2035.40 0.268 38.55 2035.50 0.268 39.09 2035.60 0.268 39.64 2035.70 0.268 40.18 2035.80 0.268 40.73 2035.90 0.268 41.27 2036.00 0.268 41.82 2036.10 0.268 42.36 2036.20 0.268 42.91 2036.30 0.268 43.45 2036.40 0.268 44.00 2036.50 0.268 44.54 2036.60 0.268 45.09 2036.70 0.267 45.64 2036.80 0.267 46.19 2036.90 0.267 46.73 2037.00 0.267 47.28 2037.10 0.267 47.83 2037.20 0.267 48.38 2037.30 0.267 48.93 2037.40 0.266 49.48 2037.50 0.266 50.03 2037.60 0.266 50.59 2037.70 0.266 51.14 2037.80 0.266 51.69 2037.90 0.265 52.25 2038.00 0.265 52.81 2038.10 0.265 53.36 2038.20 0.264 53.92 2038.30 0.264 54.48 2038.40 0.264 55.05 2038.50 0.263 55.61 2038.60 0.263 56.17 2038.70 0.263 56.74 2038.80 0.262 57.31 2038.90 0.262 57.88 2039.00 0.262 58.45 2039.10 0.261 59.02 2039.20 0.261 59.59 2039.30 0.260 60.17 2039.40 0.260 60.75 2039.50 0.259 61.33 2039.60 0.259 61.91 2039.70 0.258 62.50 2039.80 0.258 63.08 2039.90 0.257 63.67 2040.00 0.257 64.26 2040.10 0.256 64.86 2040.20 0.256 65.45 2040.30 0.255 66.05 2040.40 0.255 66.65 2040.50 0.254 67.26 2040.60 0.254 67.87 2040.70 0.253 68.48 2040.80 0.252 69.09 2040.90 0.252 69.71 2041.00 0.251 70.33 2041.10 0.250 70.95 2041.20 0.250 71.58 2041.30 0.249 72.21 2041.40 0.248 72.84 2041.50 0.248 73.48 2041.60 0.247 74.12 2041.70 0.246 74.76 2041.80 0.245 75.41 2041.90 0.245 76.06 2042.00 0.244 76.72 2042.10 0.243 77.38 2042.20 0.242 78.04 2042.30 0.242 78.71 2042.40 0.241 79.38 2042.50 0.240 80.06 2042.60 0.239 80.74 2042.70 0.238 81.43 2042.80 0.237 82.12 2042.90 0.237 82.82 2043.00 0.236 83.52 2043.10 0.235 84.23 2043.20 0.234 84.94 2043.30 0.233 85.65 2043.40 0.232 86.37 2043.50 0.232 87.10 2043.60 0.231 87.83 2043.70 0.230 88.57 2043.80 0.229 89.32 2043.90 0.228 90.06 2044.00 0.227 90.82 2044.10 0.226 91.58 2044.20 0.226 92.35 2044.30 0.225 93.12 2044.40 0.224 93.90 2044.50 0.223 94.68 2044.60 0.222 95.47 2044.70 0.221 96.27 2044.80 0.220 97.07 2044.90 0.219 97.88 2045.00 0.219 98.70 2045.10 0.218 99.52 2045.20 0.217 100.35 2045.30 0.216 101.19 2045.40 0.215 102.03 2045.50 0.214 102.88 2045.60 0.214 103.73 2045.70 0.213 104.59 2045.80 0.212 105.46 2045.90 0.211 106.34 2046.00 0.210 107.22 2046.10 0.210 108.11 2046.20 0.209 109.00 2046.30 0.208 109.90 2046.40 0.207 110.81 2046.50 0.207 111.72 2046.60 0.206 112.64 2046.70 0.205 113.57 2046.80 0.204 114.50 2046.90 0.204 115.44 2047.00 0.203 116.39 2047.10 0.203 117.34 2047.20 0.202 118.30 2047.30 0.201 119.26 2047.40 0.201 120.23 2047.50 0.200 121.20 2047.60 0.200 122.18 2047.70 0.199 123.16 2047.80 0.199 124.15 2047.90 0.198 125.15 2048.00 0.198 126.14 2048.10 0.197 127.15 2048.20 0.197 128.15 2048.30 0.197 129.17 2048.40 0.196 130.18 2048.50 0.196 131.20 2048.60 0.196 132.22 2048.70 0.195 133.24 2048.80 0.195 134.27 2048.90 0.195 135.30 2049.00 0.195 136.33 2049.10 0.194 137.37 2049.20 0.194 138.40 2049.30 0.194 139.44 2049.40 0.194 140.48 2049.50 0.194 141.52 2049.60 0.194 142.56 2049.70 0.194 143.60 2049.80 0.194 144.64 2049.90 0.194 145.67 2050.00 0.194 146.71 2050.10 0.194 147.75 2050.20 0.194 148.79 2050.30 0.195 149.82 2050.40 0.195 150.85 2050.50 0.195 151.88 2050.60 0.195 152.91 2050.70 0.196 153.94 2050.80 0.196 154.96 2050.90 0.196 155.98 2051.00 0.196 156.99 2051.10 0.197 158.01 2051.20 0.197 159.01 2051.30 0.198 160.02 2051.40 0.198 161.02 2051.50 0.199 162.01 2051.60 0.199 163.00 2051.70 0.200 163.99 2051.80 0.200 164.96 2051.90 0.201 165.94 2052.00 0.201 166.91 2052.10 0.202 167.87 2052.20 0.203 168.83 2052.30 0.203 169.78 2052.40 0.204 170.72 2052.50 0.205 171.66 2052.60 0.205 172.59 2052.70 0.206 173.51 2052.80 0.207 174.43 2052.90 0.208 175.34 2053.00 0.208 176.25 2053.10 0.209 177.15
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:31:00 |