| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:31:19 |
| WDS: | A893 | WDS ID/Discoverer |
| P: | 105.900 | Orbital period (years) |
| a: | 0.225 | Semi-major axis (arcseconds) |
| i: | 147.7 | Inclination (degrees) |
| Ω: | 195.3 | Longitude of ascending node (degrees) |
| T: | 1990.800 | Epoch of periastron passage (year) |
| e: | 0.438 | Eccentricity |
| ω: | 190.1 | Longitude of periastron (degrees) |
| Start-Year: | 1973.0 | Year |
| End-Year: | 2077.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 220509.05+295203.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22052+2952 | WDS designation |
| Discoverer Code: | A893 | Discover designation and components |
| ADS number: | 15610 | Aitken Double Star catalog |
| HD number: | 209745 | HD catalog number |
| Hipparcos number: | 109018 | Hipparcos catalog number |
| V1: | 9.10 | Magnitude of the primary |
| V2: | 10.37 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2012 | 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 0.289 211.9 ------------------------- 1973.0 0.185 119.2 1974.0 0.179 115.2 1975.0 0.174 111.0 1976.0 0.168 106.5 1977.0 0.163 101.7 1978.0 0.158 96.6 1979.0 0.153 91.2 1980.0 0.149 85.4 1981.0 0.145 79.3 1982.0 0.141 72.9 1983.0 0.138 66.2 1984.0 0.136 59.3 1985.0 0.134 52.1 1986.0 0.132 44.6 1987.0 0.130 37.0 1988.0 0.129 29.3 1989.0 0.128 21.4 1990.0 0.127 13.3 1991.0 0.126 5.1 1992.0 0.125 356.7 1993.0 0.124 348.3 1994.0 0.124 339.8 1995.0 0.124 331.2 1996.0 0.125 322.8 1997.0 0.127 314.6 1998.0 0.130 306.6 1999.0 0.133 299.0 2000.0 0.138 291.9 2001.0 0.143 285.3 2002.0 0.148 279.1 2003.0 0.155 273.4 2004.0 0.161 268.1 2005.0 0.168 263.3 2006.0 0.175 258.9 2007.0 0.182 254.8 2008.0 0.189 251.0 2009.0 0.197 247.5 2010.0 0.204 244.2 2011.0 0.211 241.2 2012.0 0.218 238.3 2013.0 0.224 235.6 2014.0 0.231 233.1 2015.0 0.237 230.7 2016.0 0.244 228.5 2017.0 0.249 226.3 2018.0 0.255 224.2 2019.0 0.261 222.3 2020.0 0.266 220.4 2021.0 0.271 218.6 2022.0 0.276 216.8 2023.0 0.281 215.1 2024.0 0.285 213.5 2025.0 0.289 211.9 2026.0 0.293 210.4 2027.0 0.297 208.9 2028.0 0.300 207.4 2029.0 0.303 206.0 2030.0 0.306 204.6 2031.0 0.309 203.2 2032.0 0.311 201.8 2033.0 0.313 200.5 2034.0 0.315 199.1 2035.0 0.317 197.8 2036.0 0.318 196.5 2037.0 0.320 195.3 2038.0 0.321 194.0 2039.0 0.322 192.7 2040.0 0.322 191.5 2041.0 0.322 190.2 2042.0 0.323 188.9 2043.0 0.322 187.7 2044.0 0.322 186.4 2045.0 0.321 185.2 2046.0 0.321 183.9 2047.0 0.320 182.6 2048.0 0.318 181.3 2049.0 0.317 180.0 2050.0 0.315 178.7 2051.0 0.313 177.4 2052.0 0.311 176.1 2053.0 0.309 174.7 2054.0 0.306 173.3 2055.0 0.303 171.9 2056.0 0.300 170.5 2057.0 0.297 169.0 2058.0 0.294 167.5 2059.0 0.290 166.0 2060.0 0.287 164.4 2061.0 0.283 162.8 2062.0 0.278 161.1 2063.0 0.274 159.4 2064.0 0.269 157.6 2065.0 0.265 155.8 2066.0 0.260 153.9 2067.0 0.255 151.9 2068.0 0.249 149.9 2069.0 0.244 147.7 2070.0 0.238 145.5 2071.0 0.233 143.1 2072.0 0.227 140.6 2073.0 0.221 138.0 2074.0 0.215 135.3 2075.0 0.209 132.4 2076.0 0.203 129.3