| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:22:14 |
| WDS: | A770AB | WDS ID/Discoverer |
| P: | 146.000 | Orbital period (years) |
| a: | 0.307 | Semi-major axis (arcseconds) |
| i: | 89.5 | Inclination (degrees) |
| Ω: | 321.4 | Longitude of ascending node (degrees) |
| T: | 1958.600 | Epoch of periastron passage (year) |
| e: | 0.2 | Eccentricity |
| ω: | 90.0 | Longitude of periastron (degrees) |
| Start-Year: | 1952.0 | Year |
| End-Year: | 2098.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 213048.00+482725.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21308+4827 | WDS designation |
| Discoverer Code: | A770AB | Discover designation and components |
| ADS number: | 15052 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 7.99 | Magnitude of the primary |
| V2: | 7.99 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 4 | 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 0.071 143.9 ------------------------- 1952.0 0.104 322.5 1953.0 0.089 322.7 1954.0 0.074 323.0 1955.0 0.058 323.5 1956.0 0.042 324.3 1957.0 0.026 326.1 1958.0 0.010 333.8 1959.0 0.007 123.1 1960.0 0.023 136.0 1961.0 0.039 138.3 1962.0 0.055 139.2 1963.0 0.070 139.7 1964.0 0.086 140.0 1965.0 0.101 140.3 1966.0 0.116 140.4 1967.0 0.130 140.6 1968.0 0.144 140.7 1969.0 0.158 140.8 1970.0 0.171 140.8 1971.0 0.183 140.9 1972.0 0.195 141.0 1973.0 0.207 141.0 1974.0 0.217 141.1 1975.0 0.227 141.1 1976.0 0.237 141.1 1977.0 0.246 141.2 1978.0 0.254 141.2 1979.0 0.261 141.2 1980.0 0.268 141.3 1981.0 0.274 141.3 1982.0 0.280 141.3 1983.0 0.284 141.3 1984.0 0.289 141.4 1985.0 0.292 141.4 1986.0 0.295 141.4 1987.0 0.297 141.4 1988.0 0.299 141.4 1989.0 0.300 141.5 1990.0 0.301 141.5 1991.0 0.301 141.5 1992.0 0.300 141.5 1993.0 0.299 141.6 1994.0 0.297 141.6 1995.0 0.295 141.6 1996.0 0.293 141.6 1997.0 0.290 141.6 1998.0 0.286 141.7 1999.0 0.282 141.7 2000.0 0.278 141.7 2001.0 0.273 141.7 2002.0 0.268 141.8 2003.0 0.262 141.8 2004.0 0.256 141.8 2005.0 0.250 141.9 2006.0 0.243 141.9 2007.0 0.236 141.9 2008.0 0.229 142.0 2009.0 0.221 142.0 2010.0 0.213 142.1 2011.0 0.205 142.1 2012.0 0.197 142.1 2013.0 0.188 142.2 2014.0 0.179 142.3 2015.0 0.170 142.3 2016.0 0.161 142.4 2017.0 0.151 142.5 2018.0 0.142 142.6 2019.0 0.132 142.7 2020.0 0.122 142.8 2021.0 0.112 142.9 2022.0 0.102 143.1 2023.0 0.092 143.3 2024.0 0.081 143.6 2025.0 0.071 143.9 2026.0 0.060 144.4 2027.0 0.050 145.1 2028.0 0.039 146.1 2029.0 0.028 147.9 2030.0 0.018 151.9 2031.0 0.007 167.8 2032.0 0.005 284.7 2033.0 0.015 309.4 2034.0 0.026 314.3 2035.0 0.037 316.4 2036.0 0.047 317.6 2037.0 0.058 318.3 2038.0 0.069 318.8 2039.0 0.079 319.1 2040.0 0.090 319.4 2041.0 0.100 319.6 2042.0 0.110 319.8 2043.0 0.120 320.0 2044.0 0.130 320.1 2045.0 0.140 320.2 2046.0 0.150 320.3 2047.0 0.159 320.4 2048.0 0.168 320.5 2049.0 0.177 320.5 2050.0 0.186 320.6 2051.0 0.195 320.6 2052.0 0.203 320.7 2053.0 0.212 320.7 2054.0 0.220 320.8 2055.0 0.227 320.8 2056.0 0.235 320.9 2057.0 0.242 320.9 2058.0 0.248 320.9 2059.0 0.255 321.0 2060.0 0.261 321.0 2061.0 0.266 321.0 2062.0 0.272 321.0 2063.0 0.277 321.1 2064.0 0.281 321.1 2065.0 0.285 321.1 2066.0 0.289 321.1 2067.0 0.292 321.2 2068.0 0.295 321.2 2069.0 0.297 321.2 2070.0 0.299 321.2 2071.0 0.300 321.3 2072.0 0.301 321.3 2073.0 0.301 321.3 2074.0 0.300 321.3 2075.0 0.299 321.3 2076.0 0.298 321.4 2077.0 0.296 321.4 2078.0 0.293 321.4 2079.0 0.289 321.4 2080.0 0.285 321.5 2081.0 0.281 321.5 2082.0 0.275 321.5 2083.0 0.269 321.5 2084.0 0.263 321.6 2085.0 0.255 321.6 2086.0 0.247 321.6 2087.0 0.239 321.7 2088.0 0.229 321.7 2089.0 0.219 321.7 2090.0 0.209 321.8 2091.0 0.198 321.8 2092.0 0.186 321.9 2093.0 0.173 321.9 2094.0 0.161 322.0 2095.0 0.147 322.1 2096.0 0.133 322.2 2097.0 0.119 322.3