| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:25:15 |
| WDS: | RHD1AB | WDS ID/Discoverer |
| P: | 79.910 | Orbital period (years) |
| a: | 17.66 | Semi-major axis (arcseconds) |
| i: | 79.32 | Inclination (degrees) |
| Ω: | 204.75 | Longitude of ascending node (degrees) |
| T: | 1955.660 | Epoch of periastron passage (year) |
| e: | 0.524 | Eccentricity |
| ω: | 232.3 | Longitude of periastron (degrees) |
| Start-Year: | 1986.0 | Year |
| End-Year: | 2064.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 143936.50-605002.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 14396-6050 | WDS designation |
| Discoverer Code: | RHD1AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 128620 | HD catalog number |
| Hipparcos number: | 71683 | Hipparcos catalog number |
| V1: | -0.01 | Magnitude of the primary |
| V2: | 1.33 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2014 | Date of last observation |
| Orbit grade: | 2 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 8.731 8.6 ------------------------- 1986.0 21.047 212.4 1987.0 20.768 212.9 1988.0 20.451 213.4 1989.0 20.096 214.0 1990.0 19.706 214.5 1991.0 19.283 215.1 1992.0 18.826 215.7 1993.0 18.338 216.4 1994.0 17.821 217.0 1995.0 17.275 217.8 1996.0 16.701 218.5 1997.0 16.102 219.4 1998.0 15.478 220.3 1999.0 14.830 221.2 2000.0 14.161 222.3 2001.0 13.472 223.4 2002.0 12.765 224.7 2003.0 12.041 226.2 2004.0 11.303 227.8 2005.0 10.554 229.7 2006.0 9.797 231.8 2007.0 9.036 234.3 2008.0 8.276 237.3 2009.0 7.525 240.8 2010.0 6.792 245.2 2011.0 6.092 250.5 2012.0 5.443 257.2 2013.0 4.874 265.6 2014.0 4.421 276.0 2015.0 4.129 288.2 2016.0 4.034 301.6 2017.0 4.151 315.0 2018.0 4.460 327.1 2019.0 4.920 337.2 2020.0 5.486 345.4 2021.0 6.116 352.1 2022.0 6.780 357.4 2023.0 7.451 1.8 2024.0 8.109 5.5 2025.0 8.731 8.6 2026.0 9.296 11.3 2027.0 9.781 13.8 2028.0 10.157 16.0 2029.0 10.392 18.1 2030.0 10.444 20.1 2031.0 10.267 22.2 2032.0 9.805 24.4 2033.0 9.008 26.9 2034.0 7.837 30.0 2035.0 6.300 34.4 2036.0 4.477 42.3 2037.0 2.605 61.5 2038.0 1.699 121.6 2039.0 3.037 169.8 2040.0 4.995 184.5 2041.0 6.947 190.9 2042.0 8.783 194.5 2043.0 10.472 196.9 2044.0 12.011 198.7 2045.0 13.403 200.0 2046.0 14.654 201.2 2047.0 15.776 202.1 2048.0 16.775 203.0 2049.0 17.661 203.7 2050.0 18.443 204.4 2051.0 19.127 205.0 2052.0 19.720 205.6 2053.0 20.228 206.2 2054.0 20.656 206.7 2055.0 21.011 207.2 2056.0 21.295 207.7 2057.0 21.513 208.2 2058.0 21.669 208.6 2059.0 21.766 209.1 2060.0 21.807 209.6 2061.0 21.795 210.0 2062.0 21.733 210.5 2063.0 21.622 211.0