| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:21:55 |
| WDS: | B1007 | WDS ID/Discoverer |
| P: | 119.100 | Orbital period (years) |
| a: | 0.158 | Semi-major axis (arcseconds) |
| i: | 50.8 | Inclination (degrees) |
| Ω: | 197.4 | Longitude of ascending node (degrees) |
| T: | 1971.700 | Epoch of periastron passage (year) |
| e: | 0.237 | Eccentricity |
| ω: | 337.6 | Longitude of periastron (degrees) |
| Start-Year: | 1966.0 | Year |
| End-Year: | 2084.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 212720.16-321748.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21273-3218 | WDS designation |
| Discoverer Code: | B1007 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 204107 | HD catalog number |
| Hipparcos number: | 105940 | Hipparcos catalog number |
| V1: | 9.7 | Magnitude of the primary |
| V2: | 9.9 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | 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 0.174 354.0 ------------------------- 1966.0 0.099 159.7 1967.0 0.102 164.3 1968.0 0.105 168.7 1969.0 0.108 172.8 1970.0 0.111 176.6 1971.0 0.113 180.3 1972.0 0.116 183.8 1973.0 0.118 187.2 1974.0 0.120 190.5 1975.0 0.121 193.7 1976.0 0.122 196.8 1977.0 0.123 199.9 1978.0 0.123 203.0 1979.0 0.123 206.0 1980.0 0.123 209.1 1981.0 0.122 212.2 1982.0 0.121 215.3 1983.0 0.120 218.5 1984.0 0.118 221.8 1985.0 0.117 225.2 1986.0 0.115 228.6 1987.0 0.113 232.2 1988.0 0.111 235.9 1989.0 0.109 239.7 1990.0 0.108 243.6 1991.0 0.106 247.7 1992.0 0.105 251.8 1993.0 0.104 256.1 1994.0 0.103 260.5 1995.0 0.102 264.9 1996.0 0.102 269.4 1997.0 0.102 273.9 1998.0 0.102 278.4 1999.0 0.103 282.8 2000.0 0.104 287.2 2001.0 0.105 291.4 2002.0 0.107 295.6 2003.0 0.108 299.6 2004.0 0.111 303.5 2005.0 0.113 307.2 2006.0 0.116 310.7 2007.0 0.119 314.1 2008.0 0.122 317.3 2009.0 0.125 320.3 2010.0 0.128 323.2 2011.0 0.131 326.0 2012.0 0.135 328.6 2013.0 0.138 331.1 2014.0 0.141 333.5 2015.0 0.145 335.8 2016.0 0.148 337.9 2017.0 0.151 340.0 2018.0 0.154 342.0 2019.0 0.158 343.9 2020.0 0.161 345.7 2021.0 0.164 347.5 2022.0 0.167 349.2 2023.0 0.169 350.8 2024.0 0.172 352.4 2025.0 0.174 354.0 2026.0 0.177 355.5 2027.0 0.179 356.9 2028.0 0.181 358.4 2029.0 0.183 359.8 2030.0 0.185 1.1 2031.0 0.186 2.5 2032.0 0.188 3.8 2033.0 0.189 5.1 2034.0 0.190 6.4 2035.0 0.191 7.7 2036.0 0.192 8.9 2037.0 0.192 10.2 2038.0 0.192 11.4 2039.0 0.192 12.7 2040.0 0.192 13.9 2041.0 0.192 15.2 2042.0 0.191 16.5 2043.0 0.191 17.7 2044.0 0.190 19.0 2045.0 0.189 20.3 2046.0 0.187 21.6 2047.0 0.186 22.9 2048.0 0.184 24.3 2049.0 0.182 25.7 2050.0 0.180 27.1 2051.0 0.177 28.5 2052.0 0.175 30.0 2053.0 0.172 31.6 2054.0 0.169 33.2 2055.0 0.166 34.8 2056.0 0.163 36.5 2057.0 0.159 38.3 2058.0 0.155 40.2 2059.0 0.151 42.2 2060.0 0.147 44.3 2061.0 0.143 46.5 2062.0 0.139 48.8 2063.0 0.134 51.3 2064.0 0.130 53.9 2065.0 0.126 56.8 2066.0 0.121 59.8 2067.0 0.117 63.1 2068.0 0.112 66.6 2069.0 0.108 70.5 2070.0 0.104 74.6 2071.0 0.100 79.1 2072.0 0.096 83.9 2073.0 0.093 89.1 2074.0 0.090 94.6 2075.0 0.088 100.4 2076.0 0.087 106.5 2077.0 0.086 112.7 2078.0 0.085 119.1 2079.0 0.086 125.4 2080.0 0.087 131.6 2081.0 0.088 137.7 2082.0 0.090 143.5 2083.0 0.093 149.1