| WDS: | A2855 | WDS ID/Discoverer |
| P: | 64.440 | Orbital period (years) |
| a: | 0.349 | Semi-major axis (arcseconds) |
| i: | 148.3 | Inclination (degrees) |
| Ω: | 56.3 | Longitude of ascending node (degrees) |
| T: | 1958.360 | Epoch of periastron passage (year) |
| e: | 0.178 | Eccentricity |
| ω: | 329.2 | Longitude of periastron (degrees) |
| Start-Year: | 1992.78 | Year |
| End-Year: | 2057.22 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A2855 |
||
| Position: | 071647.50+005846.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 07168+0059 | WDS designation |
| Discoverer Code: | A2855 | Discover designation and components |
| ADS number: | 5949 | Aitken Double Star catalog |
| HD number: | 56361 | HD catalog number |
| Hipparcos number: | 35221 | Hipparcos catalog number |
| V1: | 9.53 | Magnitude of the primary |
| V2: | 9.25 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2006 | 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: | Msn2009 | 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 0.293 57.24 -------------------------- 1992.78 0.402 255.33 1992.88 0.402 254.98 1992.98 0.402 254.63 1993.08 0.403 254.28 1993.18 0.403 253.92 1993.28 0.403 253.57 1993.38 0.403 253.22 1993.48 0.403 252.87 1993.58 0.403 252.52 1993.68 0.403 252.17 1993.78 0.403 251.82 1993.88 0.404 251.47 1993.98 0.404 251.12 1994.08 0.404 250.77 1994.18 0.404 250.42 1994.28 0.404 250.07 1994.38 0.404 249.72 1994.48 0.404 249.38 1994.58 0.404 249.03 1994.68 0.404 248.68 1994.78 0.404 248.33 1994.88 0.404 247.98 1994.98 0.404 247.63 1995.08 0.404 247.28 1995.18 0.404 246.93 1995.28 0.404 246.58 1995.38 0.404 246.23 1995.48 0.404 245.89 1995.58 0.404 245.54 1995.68 0.404 245.19 1995.78 0.404 244.84 1995.88 0.404 244.49 1995.98 0.404 244.14 1996.08 0.403 243.79 1996.18 0.403 243.44 1996.28 0.403 243.09 1996.38 0.403 242.74 1996.48 0.403 242.39 1996.58 0.403 242.03 1996.68 0.403 241.68 1996.78 0.402 241.33 1996.88 0.402 240.98 1996.98 0.402 240.63 1997.08 0.402 240.28 1997.18 0.402 239.92 1997.28 0.401 239.57 1997.38 0.401 239.22 1997.48 0.401 238.86 1997.58 0.401 238.51 1997.68 0.400 238.15 1997.78 0.400 237.80 1997.88 0.400 237.44 1997.98 0.400 237.08 1998.08 0.399 236.73 1998.18 0.399 236.37 1998.28 0.399 236.01 1998.38 0.398 235.65 1998.48 0.398 235.29 1998.58 0.398 234.93 1998.68 0.397 234.57 1998.78 0.397 234.21 1998.88 0.397 233.85 1998.98 0.396 233.49 1999.08 0.396 233.12 1999.18 0.395 232.76 1999.28 0.395 232.39 1999.38 0.395 232.03 1999.48 0.394 231.66 1999.58 0.394 231.29 1999.68 0.393 230.93 1999.78 0.393 230.56 1999.88 0.392 230.19 1999.98 0.392 229.82 2000.08 0.391 229.45 2000.18 0.391 229.07 2000.28 0.390 228.70 2000.38 0.390 228.32 2000.48 0.389 227.95 2000.58 0.389 227.57 2000.68 0.388 227.20 2000.78 0.388 226.82 2000.88 0.387 226.44 2000.98 0.386 226.06 2001.08 0.386 225.67 2001.18 0.385 225.29 2001.28 0.385 224.91 2001.38 0.384 224.52 2001.48 0.383 224.13 2001.58 0.383 223.74 2001.68 0.382 223.35 2001.78 0.381 222.96 2001.88 0.381 222.57 2001.98 0.380 222.18 2002.08 0.379 221.78 2002.18 0.379 221.39 2002.28 0.378 220.99 2002.38 0.377 220.59 2002.48 0.377 220.19 2002.58 0.376 219.79 2002.68 0.375 219.38 2002.78 0.374 218.98 2002.88 0.374 218.57 2002.98 0.373 218.16 2003.08 0.372 217.75 2003.18 0.371 217.34 2003.28 0.371 216.92 2003.38 0.370 216.51 2003.48 0.369 216.09 2003.58 0.368 215.67 2003.68 0.367 215.25 2003.78 0.366 214.82 2003.88 0.366 214.40 2003.98 0.365 213.97 2004.08 0.364 213.54 2004.18 0.363 213.11 2004.28 0.362 212.68 2004.38 0.361 212.24 2004.48 0.360 211.81 2004.58 0.360 211.37 2004.68 0.359 210.92 2004.78 0.358 210.48 2004.88 0.357 210.03 2004.98 0.356 209.59 2005.08 0.355 209.14 2005.18 0.354 208.68 2005.28 0.353 208.23 2005.38 0.352 207.77 2005.48 0.351 207.31 2005.58 0.350 206.85 2005.68 0.349 206.38 2005.78 0.348 205.91 2005.88 0.347 205.44 2005.98 0.346 204.97 2006.08 0.345 204.49 2006.18 0.344 204.01 2006.28 0.344 203.53 2006.38 0.343 203.05 2006.48 0.342 202.56 2006.58 0.341 202.07 2006.68 0.339 201.58 2006.78 0.338 201.08 2006.88 0.337 200.58 2006.98 0.336 200.08 2007.08 0.335 199.58 2007.18 0.334 199.07 2007.28 0.333 198.56 2007.38 0.332 198.04 2007.48 0.331 197.53 2007.58 0.330 197.01 2007.68 0.329 196.48 2007.78 0.328 195.95 2007.88 0.327 195.42 2007.98 0.326 194.89 2008.08 0.325 194.35 2008.18 0.324 193.81 2008.28 0.323 193.27 2008.38 0.322 192.72 2008.48 0.321 192.17 2008.58 0.320 191.61 2008.68 0.319 191.05 2008.78 0.318 190.49 2008.88 0.317 189.92 2008.98 0.316 189.35 2009.08 0.314 188.78 2009.18 0.313 188.20 2009.28 0.312 187.62 2009.38 0.311 187.03 2009.48 0.310 186.44 2009.58 0.309 185.85 2009.68 0.308 185.25 2009.78 0.307 184.65 2009.88 0.306 184.04 2009.98 0.305 183.43 2010.08 0.304 182.82 2010.18 0.303 182.20 2010.28 0.302 181.58 2010.38 0.301 180.95 2010.48 0.300 180.32 2010.58 0.299 179.68 2010.68 0.298 179.05 2010.78 0.297 178.40 2010.88 0.296 177.75 2010.98 0.295 177.10 2011.08 0.294 176.44 2011.18 0.293 175.78 2011.28 0.292 175.12 2011.38 0.291 174.45 2011.48 0.290 173.77 2011.58 0.289 173.09 2011.68 0.288 172.41 2011.78 0.287 171.72 2011.88 0.286 171.03 2011.98 0.285 170.33 2012.08 0.285 169.63 2012.18 0.284 168.93 2012.28 0.283 168.22 2012.38 0.282 167.50 2012.48 0.281 166.78 2012.58 0.280 166.06 2012.68 0.279 165.33 2012.78 0.279 164.60 2012.88 0.278 163.86 2012.98 0.277 163.12 2013.08 0.276 162.38 2013.18 0.275 161.63 2013.28 0.275 160.88 2013.38 0.274 160.12 2013.48 0.273 159.36 2013.58 0.273 158.59 2013.68 0.272 157.83 2013.78 0.271 157.05 2013.88 0.270 156.28 2013.98 0.270 155.49 2014.08 0.269 154.71 2014.18 0.269 153.92 2014.28 0.268 153.13 2014.38 0.267 152.34 2014.48 0.267 151.54 2014.58 0.266 150.73 2014.68 0.266 149.93 2014.78 0.265 149.12 2014.88 0.265 148.31 2014.98 0.264 147.49 2015.08 0.264 146.68 2015.18 0.263 145.86 2015.28 0.263 145.03 2015.38 0.262 144.21 2015.48 0.262 143.38 2015.58 0.262 142.55 2015.68 0.261 141.71 2015.78 0.261 140.88 2015.88 0.261 140.04 2015.98 0.260 139.20 2016.08 0.260 138.36 2016.18 0.260 137.52 2016.28 0.260 136.67 2016.38 0.259 135.83 2016.48 0.259 134.98 2016.58 0.259 134.13 2016.68 0.259 133.28 2016.78 0.259 132.43 2016.88 0.259 131.58 2016.98 0.258 130.72 2017.08 0.258 129.87 2017.18 0.258 129.01 2017.28 0.258 128.16 2017.38 0.258 127.31 2017.48 0.258 126.45 2017.58 0.258 125.60 2017.68 0.258 124.74 2017.78 0.258 123.89 2017.88 0.258 123.03 2017.98 0.258 122.18 2018.08 0.258 121.32 2018.18 0.259 120.47 2018.28 0.259 119.62 2018.38 0.259 118.77 2018.48 0.259 117.92 2018.58 0.259 117.07 2018.68 0.259 116.22 2018.78 0.260 115.38 2018.88 0.260 114.53 2018.98 0.260 113.69 2019.08 0.260 112.84 2019.18 0.260 112.00 2019.28 0.261 111.17 2019.38 0.261 110.33 2019.48 0.261 109.49 2019.58 0.262 108.66 2019.68 0.262 107.83 2019.78 0.262 107.00 2019.88 0.263 106.17 2019.98 0.263 105.35 2020.08 0.263 104.53 2020.18 0.264 103.71 2020.28 0.264 102.89 2020.38 0.265 102.08 2020.48 0.265 101.26 2020.58 0.265 100.46 2020.68 0.266 99.65 2020.78 0.266 98.84 2020.88 0.267 98.04 2020.98 0.267 97.24 2021.08 0.268 96.45 2021.18 0.268 95.65 2021.28 0.269 94.86 2021.38 0.269 94.08 2021.48 0.270 93.29 2021.58 0.270 92.51 2021.68 0.271 91.73 2021.78 0.271 90.95 2021.88 0.272 90.18 2021.98 0.272 89.41 2022.08 0.273 88.64 2022.18 0.273 87.87 2022.28 0.274 87.11 2022.38 0.274 86.35 2022.48 0.275 85.60 2022.58 0.275 84.84 2022.68 0.276 84.09 2022.78 0.276 83.34 2022.88 0.277 82.60 2022.98 0.277 81.85 2023.08 0.278 81.11 2023.18 0.278 80.38 2023.28 0.279 79.64 2023.38 0.279 78.91 2023.48 0.280 78.18 2023.58 0.280 77.46 2023.68 0.281 76.73 2023.78 0.281 76.01 2023.88 0.282 75.29 2023.98 0.282 74.57 2024.08 0.283 73.86 2024.18 0.283 73.15 2024.28 0.284 72.44 2024.38 0.284 71.73 2024.48 0.285 71.03 2024.58 0.285 70.33 2024.68 0.286 69.63 2024.78 0.286 68.93 2024.88 0.286 68.23 2024.98 0.287 67.54 2025.08 0.287 66.85 2025.18 0.288 66.16 2025.28 0.288 65.47 2025.38 0.289 64.79 2025.48 0.289 64.10 2025.58 0.289 63.42 2025.68 0.290 62.74 2025.78 0.290 62.07 2025.88 0.291 61.39 2025.98 0.291 60.72 2026.08 0.291 60.04 2026.18 0.292 59.37 2026.28 0.292 58.70 2026.38 0.292 58.04 2026.48 0.293 57.37 2026.58 0.293 56.70 2026.68 0.293 56.04 2026.78 0.294 55.38 2026.88 0.294 54.72 2026.98 0.294 54.06 2027.08 0.294 53.40 2027.18 0.295 52.75 2027.28 0.295 52.09 2027.38 0.295 51.44 2027.48 0.295 50.78 2027.58 0.296 50.13 2027.68 0.296 49.48 2027.78 0.296 48.83 2027.88 0.296 48.18 2027.98 0.297 47.53 2028.08 0.297 46.89 2028.18 0.297 46.24 2028.28 0.297 45.60 2028.38 0.297 44.95 2028.48 0.298 44.31 2028.58 0.298 43.67 2028.68 0.298 43.02 2028.78 0.298 42.38 2028.88 0.298 41.74 2028.98 0.298 41.10 2029.08 0.299 40.46 2029.18 0.299 39.82 2029.28 0.299 39.18 2029.38 0.299 38.55 2029.48 0.299 37.91 2029.58 0.299 37.27 2029.68 0.299 36.64 2029.78 0.299 36.00 2029.88 0.299 35.36 2029.98 0.300 34.73 2030.08 0.300 34.09 2030.18 0.300 33.46 2030.28 0.300 32.83 2030.38 0.300 32.19 2030.48 0.300 31.56 2030.58 0.300 30.93 2030.68 0.300 30.29 2030.78 0.300 29.66 2030.88 0.300 29.03 2030.98 0.300 28.39 2031.08 0.300 27.76 2031.18 0.300 27.13 2031.28 0.300 26.50 2031.38 0.300 25.87 2031.48 0.300 25.23 2031.58 0.300 24.60 2031.68 0.300 23.97 2031.78 0.300 23.34 2031.88 0.300 22.71 2031.98 0.300 22.08 2032.08 0.300 21.45 2032.18 0.300 20.82 2032.28 0.301 20.18 2032.38 0.301 19.55 2032.48 0.301 18.92 2032.58 0.301 18.29 2032.68 0.301 17.66 2032.78 0.301 17.03 2032.88 0.301 16.40 2032.98 0.301 15.77 2033.08 0.301 15.14 2033.18 0.301 14.51 2033.28 0.301 13.88 2033.38 0.301 13.25 2033.48 0.301 12.62 2033.58 0.301 11.99 2033.68 0.301 11.36 2033.78 0.301 10.73 2033.88 0.301 10.10 2033.98 0.301 9.47 2034.08 0.301 8.84 2034.18 0.301 8.21 2034.28 0.301 7.58 2034.38 0.301 6.96 2034.48 0.301 6.33 2034.58 0.301 5.70 2034.68 0.301 5.07 2034.78 0.301 4.44 2034.88 0.301 3.81 2034.98 0.301 3.19 2035.08 0.301 2.56 2035.18 0.301 1.93 2035.28 0.302 1.31 2035.38 0.302 0.68 2035.48 0.302 0.05 2035.58 0.302 359.43 2035.68 0.302 358.80 2035.78 0.302 358.18 2035.88 0.302 357.55 2035.98 0.302 356.93 2036.08 0.302 356.31 2036.18 0.302 355.68 2036.28 0.303 355.06 2036.38 0.303 354.44 2036.48 0.303 353.82 2036.58 0.303 353.20 2036.68 0.303 352.58 2036.78 0.303 351.96 2036.88 0.303 351.34 2036.98 0.304 350.72 2037.08 0.304 350.10 2037.18 0.304 349.49 2037.28 0.304 348.87 2037.38 0.304 348.25 2037.48 0.305 347.64 2037.58 0.305 347.03 2037.68 0.305 346.41 2037.78 0.305 345.80 2037.88 0.305 345.19 2037.98 0.306 344.58 2038.08 0.306 343.97 2038.18 0.306 343.36 2038.28 0.306 342.76 2038.38 0.307 342.15 2038.48 0.307 341.54 2038.58 0.307 340.94 2038.68 0.308 340.34 2038.78 0.308 339.74 2038.88 0.308 339.14 2038.98 0.308 338.54 2039.08 0.309 337.94 2039.18 0.309 337.34 2039.28 0.309 336.74 2039.38 0.310 336.15 2039.48 0.310 335.56 2039.58 0.310 334.96 2039.68 0.311 334.37 2039.78 0.311 333.78 2039.88 0.311 333.20 2039.98 0.312 332.61 2040.08 0.312 332.02 2040.18 0.313 331.44 2040.28 0.313 330.86 2040.38 0.313 330.28 2040.48 0.314 329.70 2040.58 0.314 329.12 2040.68 0.315 328.54 2040.78 0.315 327.97 2040.88 0.316 327.40 2040.98 0.316 326.83 2041.08 0.316 326.26 2041.18 0.317 325.69 2041.28 0.317 325.12 2041.38 0.318 324.56 2041.48 0.318 323.99 2041.58 0.319 323.43 2041.68 0.319 322.87 2041.78 0.320 322.31 2041.88 0.320 321.76 2041.98 0.321 321.20 2042.08 0.321 320.65 2042.18 0.322 320.10 2042.28 0.322 319.55 2042.38 0.323 319.00 2042.48 0.323 318.45 2042.58 0.324 317.91 2042.68 0.324 317.37 2042.78 0.325 316.83 2042.88 0.325 316.29 2042.98 0.326 315.75 2043.08 0.327 315.22 2043.18 0.327 314.68 2043.28 0.328 314.15 2043.38 0.328 313.62 2043.48 0.329 313.09 2043.58 0.329 312.57 2043.68 0.330 312.04 2043.78 0.331 311.52 2043.88 0.331 311.00 2043.98 0.332 310.48 2044.08 0.332 309.97 2044.18 0.333 309.45 2044.28 0.334 308.94 2044.38 0.334 308.43 2044.48 0.335 307.92 2044.58 0.335 307.41 2044.68 0.336 306.91 2044.78 0.337 306.40 2044.88 0.337 305.90 2044.98 0.338 305.40 2045.08 0.339 304.90 2045.18 0.339 304.41 2045.28 0.340 303.91 2045.38 0.341 303.42 2045.48 0.341 302.93 2045.58 0.342 302.44 2045.68 0.342 301.96 2045.78 0.343 301.47 2045.88 0.344 300.99 2045.98 0.344 300.51 2046.08 0.345 300.03 2046.18 0.346 299.55 2046.28 0.346 299.07 2046.38 0.347 298.60 2046.48 0.348 298.13 2046.58 0.348 297.66 2046.68 0.349 297.19 2046.78 0.350 296.72 2046.88 0.350 296.26 2046.98 0.351 295.79 2047.08 0.352 295.33 2047.18 0.352 294.87 2047.28 0.353 294.41 2047.38 0.354 293.96 2047.48 0.354 293.50 2047.58 0.355 293.05 2047.68 0.356 292.60 2047.78 0.356 292.15 2047.88 0.357 291.70 2047.98 0.358 291.26 2048.08 0.358 290.81 2048.18 0.359 290.37 2048.28 0.360 289.93 2048.38 0.360 289.49 2048.48 0.361 289.05 2048.58 0.362 288.61 2048.68 0.362 288.18 2048.78 0.363 287.74 2048.88 0.363 287.31 2048.98 0.364 286.88 2049.08 0.365 286.45 2049.18 0.365 286.02 2049.28 0.366 285.60 2049.38 0.367 285.17 2049.48 0.367 284.75 2049.58 0.368 284.33 2049.68 0.369 283.91 2049.78 0.369 283.49 2049.88 0.370 283.07 2049.98 0.370 282.66 2050.08 0.371 282.24 2050.18 0.372 281.83 2050.28 0.372 281.42 2050.38 0.373 281.01 2050.48 0.373 280.60 2050.58 0.374 280.19 2050.68 0.375 279.78 2050.78 0.375 279.38 2050.88 0.376 278.97 2050.98 0.376 278.57 2051.08 0.377 278.17 2051.18 0.378 277.77 2051.28 0.378 277.37 2051.38 0.379 276.97 2051.48 0.379 276.58 2051.58 0.380 276.18 2051.68 0.380 275.79 2051.78 0.381 275.40 2051.88 0.382 275.00 2051.98 0.382 274.61 2052.08 0.383 274.22 2052.18 0.383 273.83 2052.28 0.384 273.45 2052.38 0.384 273.06 2052.48 0.385 272.68 2052.58 0.385 272.29 2052.68 0.386 271.91 2052.78 0.386 271.53 2052.88 0.387 271.14 2052.98 0.387 270.76 2053.08 0.388 270.38 2053.18 0.388 270.01 2053.28 0.389 269.63 2053.38 0.389 269.25 2053.48 0.390 268.88 2053.58 0.390 268.50 2053.68 0.391 268.13 2053.78 0.391 267.75 2053.88 0.391 267.38 2053.98 0.392 267.01 2054.08 0.392 266.64 2054.18 0.393 266.27 2054.28 0.393 265.90 2054.38 0.394 265.53 2054.48 0.394 265.17 2054.58 0.394 264.80 2054.68 0.395 264.43 2054.78 0.395 264.07 2054.88 0.395 263.70 2054.98 0.396 263.34 2055.08 0.396 262.98 2055.18 0.397 262.61 2055.28 0.397 262.25 2055.38 0.397 261.89 2055.48 0.398 261.53 2055.58 0.398 261.17 2055.68 0.398 260.81 2055.78 0.398 260.45 2055.88 0.399 260.09 2055.98 0.399 259.73 2056.08 0.399 259.38 2056.18 0.400 259.02 2056.28 0.400 258.66 2056.38 0.400 258.31 2056.48 0.400 257.95 2056.58 0.401 257.60 2056.68 0.401 257.24 2056.78 0.401 256.89 2056.88 0.401 256.53 2056.98 0.402 256.18 2057.08 0.402 255.83 2057.18 0.402 255.47
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:56:13 |