| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:30:15 |
| WDS: | HU531AB | WDS ID/Discoverer |
| P: | 100.030 | Orbital period (years) |
| a: | 0.317 | Semi-major axis (arcseconds) |
| i: | 127.6 | Inclination (degrees) |
| Ω: | 161.5 | Longitude of ascending node (degrees) |
| T: | 1956.230 | Epoch of periastron passage (year) |
| e: | 0.512 | Eccentricity |
| ω: | 332.1 | Longitude of periastron (degrees) |
| Start-Year: | 1975.0 | Year |
| End-Year: | 2075.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 014052.28+495229.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01409+4952 | WDS designation |
| Discoverer Code: | HU531AB | Discover designation and components |
| ADS number: | 1315 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 7841 | Hipparcos catalog number |
| V1: | 9.5 | Magnitude of the primary |
| V2: | 10.0 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.429 341.9 ------------------------- 1975.0 0.209 57.8 1976.0 0.217 53.6 1977.0 0.226 49.7 1978.0 0.235 46.2 1979.0 0.245 42.9 1980.0 0.255 39.8 1981.0 0.264 37.0 1982.0 0.274 34.4 1983.0 0.284 32.0 1984.0 0.293 29.7 1985.0 0.303 27.6 1986.0 0.312 25.6 1987.0 0.321 23.7 1988.0 0.330 21.9 1989.0 0.339 20.2 1990.0 0.348 18.6 1991.0 0.356 17.1 1992.0 0.364 15.6 1993.0 0.372 14.2 1994.0 0.380 12.9 1995.0 0.387 11.6 1996.0 0.394 10.3 1997.0 0.400 9.1 1998.0 0.407 8.0 1999.0 0.413 6.8 2000.0 0.418 5.7 2001.0 0.423 4.7 2002.0 0.428 3.6 2003.0 0.433 2.6 2004.0 0.437 1.6 2005.0 0.441 0.6 2006.0 0.444 359.6 2007.0 0.447 358.7 2008.0 0.450 357.7 2009.0 0.452 356.8 2010.0 0.454 355.9 2011.0 0.456 355.0 2012.0 0.457 354.1 2013.0 0.457 353.2 2014.0 0.458 352.3 2015.0 0.457 351.3 2016.0 0.457 350.4 2017.0 0.456 349.5 2018.0 0.454 348.6 2019.0 0.452 347.7 2020.0 0.449 346.8 2021.0 0.446 345.8 2022.0 0.443 344.9 2023.0 0.439 343.9 2024.0 0.434 342.9 2025.0 0.429 341.9 2026.0 0.424 340.8 2027.0 0.417 339.8 2028.0 0.411 338.6 2029.0 0.403 337.5 2030.0 0.395 336.3 2031.0 0.387 335.1 2032.0 0.378 333.8 2033.0 0.368 332.4 2034.0 0.357 331.0 2035.0 0.346 329.4 2036.0 0.334 327.8 2037.0 0.322 326.0 2038.0 0.309 324.1 2039.0 0.295 322.0 2040.0 0.280 319.7 2041.0 0.265 317.2 2042.0 0.249 314.3 2043.0 0.232 311.0 2044.0 0.216 307.3 2045.0 0.198 302.8 2046.0 0.181 297.5 2047.0 0.164 291.1 2048.0 0.148 283.3 2049.0 0.133 273.6 2050.0 0.121 261.8 2051.0 0.114 248.0 2052.0 0.111 232.9 2053.0 0.114 217.9 2054.0 0.121 204.1 2055.0 0.131 192.1 2056.0 0.141 181.8 2057.0 0.151 172.9 2058.0 0.158 165.0 2059.0 0.164 157.7 2060.0 0.167 150.8 2061.0 0.169 144.0 2062.0 0.169 137.4 2063.0 0.168 130.7 2064.0 0.168 124.0 2065.0 0.167 117.3 2066.0 0.167 110.5 2067.0 0.168 103.7 2068.0 0.169 97.0 2069.0 0.172 90.5 2070.0 0.176 84.2 2071.0 0.181 78.3 2072.0 0.186 72.6 2073.0 0.193 67.3 2074.0 0.200 62.4