| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:40:11 |
| WDS: | DON1042 | WDS ID/Discoverer |
| P: | 98.270 | Orbital period (years) |
| a: | 0.804 | Semi-major axis (arcseconds) |
| i: | 39.7 | Inclination (degrees) |
| Ω: | 232.4 | Longitude of ascending node (degrees) |
| T: | 1994.910 | Epoch of periastron passage (year) |
| e: | 0.553 | Eccentricity |
| ω: | 124.0 | Longitude of periastron (degrees) |
| Start-Year: | 1976.0 | Year |
| End-Year: | 2074.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 230957.37-425140.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 23100-4252 | WDS designation |
| Discoverer Code: | DON1042 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 218630 | HD catalog number |
| Hipparcos number: | 114382 | Hipparcos catalog number |
| V1: | 6.00 | Magnitude of the primary |
| V2: | 9.05 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2013 | Date of last observation |
| Orbit grade: | 3 | 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 0.859 152.6 ------------------------- 1976.0 0.881 226.3 1977.0 0.857 228.3 1978.0 0.831 230.5 1979.0 0.804 232.7 1980.0 0.774 235.2 1981.0 0.743 237.8 1982.0 0.709 240.7 1983.0 0.673 243.9 1984.0 0.635 247.4 1985.0 0.595 251.5 1986.0 0.553 256.1 1987.0 0.509 261.5 1988.0 0.463 267.9 1989.0 0.418 275.8 1990.0 0.374 285.5 1991.0 0.336 297.6 1992.0 0.306 312.5 1993.0 0.290 329.8 1994.0 0.291 348.0 1995.0 0.307 5.1 1996.0 0.333 20.0 1997.0 0.364 32.5 1998.0 0.396 43.1 1999.0 0.425 52.1 2000.0 0.452 60.0 2001.0 0.477 67.0 2002.0 0.499 73.4 2003.0 0.519 79.2 2004.0 0.538 84.7 2005.0 0.556 89.7 2006.0 0.573 94.5 2007.0 0.589 99.0 2008.0 0.605 103.3 2009.0 0.621 107.3 2010.0 0.636 111.1 2011.0 0.652 114.8 2012.0 0.667 118.3 2013.0 0.682 121.6 2014.0 0.697 124.8 2015.0 0.712 127.9 2016.0 0.727 130.8 2017.0 0.742 133.6 2018.0 0.757 136.3 2019.0 0.772 138.9 2020.0 0.787 141.4 2021.0 0.802 143.8 2022.0 0.816 146.1 2023.0 0.831 148.4 2024.0 0.845 150.6 2025.0 0.859 152.6 2026.0 0.872 154.7 2027.0 0.886 156.6 2028.0 0.899 158.5 2029.0 0.912 160.4 2030.0 0.925 162.2 2031.0 0.937 163.9 2032.0 0.949 165.6 2033.0 0.960 167.3 2034.0 0.972 168.9 2035.0 0.982 170.5 2036.0 0.993 172.1 2037.0 1.003 173.6 2038.0 1.012 175.1 2039.0 1.021 176.6 2040.0 1.030 178.0 2041.0 1.038 179.4 2042.0 1.045 180.8 2043.0 1.052 182.2 2044.0 1.059 183.6 2045.0 1.065 184.9 2046.0 1.070 186.3 2047.0 1.075 187.6 2048.0 1.079 188.9 2049.0 1.082 190.2 2050.0 1.085 191.5 2051.0 1.087 192.8 2052.0 1.089 194.0 2053.0 1.089 195.3 2054.0 1.089 196.6 2055.0 1.089 197.9 2056.0 1.087 199.2 2057.0 1.085 200.5 2058.0 1.081 201.7 2059.0 1.077 203.1 2060.0 1.072 204.4 2061.0 1.067 205.7 2062.0 1.060 207.0 2063.0 1.052 208.4 2064.0 1.043 209.8 2065.0 1.033 211.2 2066.0 1.022 212.6 2067.0 1.010 214.1 2068.0 0.996 215.6 2069.0 0.982 217.2 2070.0 0.966 218.8 2071.0 0.948 220.4 2072.0 0.930 222.1 2073.0 0.909 223.9