| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:05:18 |
| WDS: | A2625 | WDS ID/Discoverer |
| P: | 178.200 | Orbital period (years) |
| a: | 0.177 | Semi-major axis (arcseconds) |
| i: | 51.0 | Inclination (degrees) |
| Ω: | 157.8 | Longitude of ascending node (degrees) |
| T: | 2022.160 | Epoch of periastron passage (year) |
| e: | 0.664 | Eccentricity |
| ω: | 42.5 | Longitude of periastron (degrees) |
| Start-Year: | 1936.0 | Year |
| End-Year: | 2114.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 045704.79-133802.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04571-1338 | WDS designation |
| Discoverer Code: | A2625 | Discover designation and components |
| ADS number: | 3559 | Aitken Double Star catalog |
| HD number: | 31656 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.9 | Magnitude of the primary |
| V2: | 9.9 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2021 | 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 0.042 229.9 ------------------------- 1936.0 0.248 9.2 1937.0 0.246 9.7 1938.0 0.245 10.2 1939.0 0.244 10.7 1940.0 0.243 11.2 1941.0 0.241 11.7 1942.0 0.240 12.2 1943.0 0.238 12.7 1944.0 0.237 13.2 1945.0 0.235 13.8 1946.0 0.234 14.3 1947.0 0.232 14.9 1948.0 0.230 15.4 1949.0 0.229 16.0 1950.0 0.227 16.6 1951.0 0.225 17.1 1952.0 0.223 17.7 1953.0 0.221 18.3 1954.0 0.220 18.9 1955.0 0.218 19.6 1956.0 0.216 20.2 1957.0 0.213 20.9 1958.0 0.211 21.5 1959.0 0.209 22.2 1960.0 0.207 22.9 1961.0 0.205 23.6 1962.0 0.203 24.3 1963.0 0.200 25.0 1964.0 0.198 25.8 1965.0 0.196 26.5 1966.0 0.193 27.3 1967.0 0.191 28.1 1968.0 0.188 29.0 1969.0 0.186 29.8 1970.0 0.183 30.7 1971.0 0.181 31.6 1972.0 0.178 32.5 1973.0 0.176 33.5 1974.0 0.173 34.4 1975.0 0.170 35.5 1976.0 0.168 36.5 1977.0 0.165 37.6 1978.0 0.162 38.7 1979.0 0.159 39.8 1980.0 0.157 41.0 1981.0 0.154 42.3 1982.0 0.151 43.5 1983.0 0.148 44.9 1984.0 0.145 46.3 1985.0 0.143 47.7 1986.0 0.140 49.2 1987.0 0.137 50.7 1988.0 0.134 52.4 1989.0 0.131 54.0 1990.0 0.129 55.8 1991.0 0.126 57.6 1992.0 0.123 59.6 1993.0 0.120 61.6 1994.0 0.118 63.7 1995.0 0.115 65.9 1996.0 0.113 68.2 1997.0 0.110 70.6 1998.0 0.108 73.1 1999.0 0.105 75.7 2000.0 0.103 78.5 2001.0 0.101 81.4 2002.0 0.098 84.4 2003.0 0.096 87.5 2004.0 0.094 90.8 2005.0 0.092 94.2 2006.0 0.091 97.8 2007.0 0.089 101.5 2008.0 0.087 105.3 2009.0 0.086 109.3 2010.0 0.084 113.4 2011.0 0.083 117.6 2012.0 0.082 122.0 2013.0 0.080 126.6 2014.0 0.078 131.3 2015.0 0.077 136.3 2016.0 0.075 141.5 2017.0 0.072 147.1 2018.0 0.069 153.0 2019.0 0.065 159.6 2020.0 0.061 167.1 2021.0 0.056 175.7 2022.0 0.051 185.9 2023.0 0.047 198.4 2024.0 0.043 213.2 2025.0 0.042 229.9 2026.0 0.043 246.7 2027.0 0.046 261.9 2028.0 0.052 274.3 2029.0 0.058 284.2 2030.0 0.066 291.9 2031.0 0.073 298.1 2032.0 0.081 303.2 2033.0 0.088 307.3 2034.0 0.096 310.8 2035.0 0.103 313.9 2036.0 0.110 316.5 2037.0 0.117 318.8 2038.0 0.123 320.9 2039.0 0.130 322.7 2040.0 0.136 324.4 2041.0 0.142 326.0 2042.0 0.147 327.4 2043.0 0.153 328.7 2044.0 0.158 329.9 2045.0 0.163 331.1 2046.0 0.168 332.2 2047.0 0.172 333.2 2048.0 0.177 334.2 2049.0 0.181 335.1 2050.0 0.185 336.0 2051.0 0.189 336.9 2052.0 0.193 337.7 2053.0 0.197 338.5 2054.0 0.201 339.2 2055.0 0.204 339.9 2056.0 0.207 340.6 2057.0 0.210 341.3 2058.0 0.213 342.0 2059.0 0.216 342.6 2060.0 0.219 343.3 2061.0 0.222 343.9 2062.0 0.224 344.5 2063.0 0.227 345.1 2064.0 0.229 345.6 2065.0 0.231 346.2 2066.0 0.233 346.7 2067.0 0.236 347.3 2068.0 0.237 347.8 2069.0 0.239 348.3 2070.0 0.241 348.9 2071.0 0.243 349.4 2072.0 0.244 349.9 2073.0 0.246 350.4 2074.0 0.247 350.9 2075.0 0.249 351.3 2076.0 0.250 351.8 2077.0 0.251 352.3 2078.0 0.252 352.8 2079.0 0.253 353.2 2080.0 0.254 353.7 2081.0 0.255 354.2 2082.0 0.256 354.6 2083.0 0.256 355.1 2084.0 0.257 355.5 2085.0 0.258 356.0 2086.0 0.258 356.4 2087.0 0.259 356.9 2088.0 0.259 357.3 2089.0 0.259 357.8 2090.0 0.259 358.2 2091.0 0.260 358.6 2092.0 0.260 359.1 2093.0 0.260 359.5 2094.0 0.260 360.0 2095.0 0.260 0.4 2096.0 0.260 0.8 2097.0 0.259 1.3 2098.0 0.259 1.7 2099.0 0.259 2.2 2100.0 0.259 2.6 2101.0 0.258 3.1 2102.0 0.258 3.5 2103.0 0.257 4.0 2104.0 0.257 4.4 2105.0 0.256 4.9 2106.0 0.255 5.3 2107.0 0.254 5.8 2108.0 0.254 6.2 2109.0 0.253 6.7 2110.0 0.252 7.2 2111.0 0.251 7.6 2112.0 0.250 8.1 2113.0 0.249 8.6