| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:20:56 |
| WDS: | A2167 | WDS ID/Discoverer |
| P: | 109.400 | Orbital period (years) |
| a: | 0.228 | Semi-major axis (arcseconds) |
| i: | 119.5 | Inclination (degrees) |
| Ω: | 246.9 | Longitude of ascending node (degrees) |
| T: | 1924.800 | Epoch of periastron passage (year) |
| e: | 0.612 | Eccentricity |
| ω: | 270.3 | Longitude of periastron (degrees) |
| Start-Year: | 1971.0 | Year |
| End-Year: | 2079.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 135820.02+021314.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 13583+0213 | WDS designation |
| Discoverer Code: | A2167 | Discover designation and components |
| ADS number: | 9073 | Aitken Double Star catalog |
| HD number: | 121908 | HD catalog number |
| Hipparcos number: | 68250 | Hipparcos catalog number |
| V1: | 9.27 | Magnitude of the primary |
| V2: | 9.64 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | Date of last observation |
| Orbit grade: | 3 | 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 0.158 71.9 ------------------------- 1971.0 0.184 173.4 1972.0 0.183 171.4 1973.0 0.182 169.4 1974.0 0.182 167.4 1975.0 0.182 165.4 1976.0 0.181 163.4 1977.0 0.181 161.4 1978.0 0.181 159.3 1979.0 0.181 157.3 1980.0 0.181 155.3 1981.0 0.181 153.2 1982.0 0.181 151.2 1983.0 0.182 149.2 1984.0 0.182 147.2 1985.0 0.183 145.2 1986.0 0.183 143.2 1987.0 0.184 141.2 1988.0 0.184 139.2 1989.0 0.185 137.3 1990.0 0.186 135.3 1991.0 0.187 133.4 1992.0 0.188 131.5 1993.0 0.189 129.6 1994.0 0.190 127.8 1995.0 0.191 125.9 1996.0 0.192 124.1 1997.0 0.193 122.3 1998.0 0.194 120.5 1999.0 0.195 118.7 2000.0 0.196 117.0 2001.0 0.196 115.3 2002.0 0.197 113.5 2003.0 0.198 111.8 2004.0 0.199 110.2 2005.0 0.200 108.5 2006.0 0.200 106.8 2007.0 0.201 105.2 2008.0 0.201 103.5 2009.0 0.201 101.9 2010.0 0.201 100.2 2011.0 0.201 98.6 2012.0 0.201 96.9 2013.0 0.200 95.3 2014.0 0.199 93.6 2015.0 0.198 91.9 2016.0 0.197 90.2 2017.0 0.195 88.4 2018.0 0.192 86.7 2019.0 0.189 84.8 2020.0 0.186 83.0 2021.0 0.182 81.0 2022.0 0.177 78.9 2023.0 0.172 76.7 2024.0 0.166 74.4 2025.0 0.158 71.9 2026.0 0.150 69.1 2027.0 0.140 65.9 2028.0 0.129 62.2 2029.0 0.116 57.7 2030.0 0.101 52.0 2031.0 0.085 44.2 2032.0 0.068 32.6 2033.0 0.052 13.5 2034.0 0.044 343.3 2035.0 0.048 310.0 2036.0 0.062 287.0 2037.0 0.078 273.1 2038.0 0.095 264.2 2039.0 0.110 257.8 2040.0 0.124 253.0 2041.0 0.136 249.0 2042.0 0.146 245.7 2043.0 0.155 242.7 2044.0 0.163 240.1 2045.0 0.169 237.6 2046.0 0.175 235.4 2047.0 0.180 233.3 2048.0 0.184 231.3 2049.0 0.187 229.3 2050.0 0.190 227.5 2051.0 0.193 225.6 2052.0 0.195 223.9 2053.0 0.196 222.1 2054.0 0.198 220.4 2055.0 0.198 218.7 2056.0 0.199 217.0 2057.0 0.200 215.3 2058.0 0.200 213.7 2059.0 0.200 212.0 2060.0 0.200 210.3 2061.0 0.199 208.7 2062.0 0.199 207.0 2063.0 0.198 205.3 2064.0 0.198 203.6 2065.0 0.197 201.9 2066.0 0.196 200.2 2067.0 0.195 198.4 2068.0 0.194 196.7 2069.0 0.193 194.9 2070.0 0.192 193.1 2071.0 0.192 191.3 2072.0 0.191 189.5 2073.0 0.190 187.6 2074.0 0.189 185.8 2075.0 0.188 183.9 2076.0 0.187 182.0 2077.0 0.186 180.1 2078.0 0.185 178.1