| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:32:02 |
| WDS: | A2122 | WDS ID/Discoverer |
| P: | 263.500 | Orbital period (years) |
| a: | 0.192 | Semi-major axis (arcseconds) |
| i: | 136.8 | Inclination (degrees) |
| Ω: | 144.2 | Longitude of ascending node (degrees) |
| T: | 2021.720 | Epoch of periastron passage (year) |
| e: | 0.582 | Eccentricity |
| ω: | 187.7 | Longitude of periastron (degrees) |
| Start-Year: | 1894.0 | Year |
| End-Year: | 2156.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 071115.15-103229.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 07113-1032 | WDS designation |
| Discoverer Code: | A2122 | Discover designation and components |
| ADS number: | 5857 | Aitken Double Star catalog |
| HD number: | 55118 | HD catalog number |
| Hipparcos number: | 34702 | Hipparcos catalog number |
| V1: | 8.6 | Magnitude of the primary |
| V2: | 8.6 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2019 | Date of last observation |
| Orbit grade: | 4 | 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 0.078 302.8 ------------------------- 1894.0 0.302 137.3 1895.0 0.301 136.9 1896.0 0.301 136.6 1897.0 0.301 136.3 1898.0 0.300 135.9 1899.0 0.300 135.6 1900.0 0.299 135.3 1901.0 0.299 134.9 1902.0 0.298 134.6 1903.0 0.298 134.3 1904.0 0.297 133.9 1905.0 0.296 133.6 1906.0 0.296 133.2 1907.0 0.295 132.9 1908.0 0.294 132.6 1909.0 0.294 132.2 1910.0 0.293 131.9 1911.0 0.292 131.5 1912.0 0.291 131.2 1913.0 0.290 130.8 1914.0 0.289 130.5 1915.0 0.288 130.1 1916.0 0.287 129.7 1917.0 0.286 129.4 1918.0 0.285 129.0 1919.0 0.284 128.6 1920.0 0.283 128.3 1921.0 0.282 127.9 1922.0 0.281 127.5 1923.0 0.279 127.1 1924.0 0.278 126.8 1925.0 0.277 126.4 1926.0 0.275 126.0 1927.0 0.274 125.6 1928.0 0.273 125.2 1929.0 0.271 124.8 1930.0 0.270 124.4 1931.0 0.268 124.0 1932.0 0.267 123.5 1933.0 0.265 123.1 1934.0 0.264 122.7 1935.0 0.262 122.3 1936.0 0.260 121.8 1937.0 0.258 121.4 1938.0 0.257 120.9 1939.0 0.255 120.5 1940.0 0.253 120.0 1941.0 0.251 119.5 1942.0 0.249 119.1 1943.0 0.247 118.6 1944.0 0.246 118.1 1945.0 0.244 117.6 1946.0 0.242 117.1 1947.0 0.239 116.6 1948.0 0.237 116.0 1949.0 0.235 115.5 1950.0 0.233 115.0 1951.0 0.231 114.4 1952.0 0.229 113.8 1953.0 0.226 113.3 1954.0 0.224 112.7 1955.0 0.222 112.1 1956.0 0.219 111.5 1957.0 0.217 110.8 1958.0 0.215 110.2 1959.0 0.212 109.5 1960.0 0.210 108.9 1961.0 0.207 108.2 1962.0 0.205 107.5 1963.0 0.202 106.7 1964.0 0.199 106.0 1965.0 0.197 105.2 1966.0 0.194 104.5 1967.0 0.191 103.7 1968.0 0.189 102.8 1969.0 0.186 102.0 1970.0 0.183 101.1 1971.0 0.180 100.2 1972.0 0.177 99.3 1973.0 0.174 98.3 1974.0 0.171 97.3 1975.0 0.169 96.3 1976.0 0.166 95.2 1977.0 0.163 94.1 1978.0 0.160 92.9 1979.0 0.157 91.7 1980.0 0.154 90.5 1981.0 0.151 89.2 1982.0 0.148 87.9 1983.0 0.145 86.5 1984.0 0.141 85.0 1985.0 0.138 83.5 1986.0 0.135 81.9 1987.0 0.132 80.2 1988.0 0.129 78.5 1989.0 0.126 76.7 1990.0 0.123 74.7 1991.0 0.120 72.7 1992.0 0.118 70.6 1993.0 0.115 68.4 1994.0 0.112 66.1 1995.0 0.109 63.6 1996.0 0.107 61.1 1997.0 0.104 58.4 1998.0 0.101 55.5 1999.0 0.099 52.6 2000.0 0.097 49.5 2001.0 0.095 46.2 2002.0 0.093 42.8 2003.0 0.091 39.3 2004.0 0.089 35.6 2005.0 0.088 31.8 2006.0 0.087 27.9 2007.0 0.085 23.8 2008.0 0.084 19.7 2009.0 0.084 15.5 2010.0 0.083 11.2 2011.0 0.083 6.8 2012.0 0.082 2.4 2013.0 0.082 358.0 2014.0 0.082 353.5 2015.0 0.082 349.1 2016.0 0.082 344.6 2017.0 0.081 340.1 2018.0 0.081 335.6 2019.0 0.081 331.1 2020.0 0.081 326.5 2021.0 0.080 321.9 2022.0 0.080 317.3 2023.0 0.079 312.5 2024.0 0.078 307.7 2025.0 0.078 302.8 2026.0 0.077 297.8 2027.0 0.076 292.8 2028.0 0.076 287.6 2029.0 0.076 282.4 2030.0 0.075 277.2 2031.0 0.075 271.9 2032.0 0.076 266.7 2033.0 0.076 261.5 2034.0 0.077 256.5 2035.0 0.079 251.5 2036.0 0.080 246.8 2037.0 0.082 242.2 2038.0 0.084 237.9 2039.0 0.086 233.7 2040.0 0.089 229.8 2041.0 0.091 226.1 2042.0 0.094 222.7 2043.0 0.097 219.4 2044.0 0.100 216.3 2045.0 0.104 213.5 2046.0 0.107 210.8 2047.0 0.110 208.2 2048.0 0.114 205.8 2049.0 0.117 203.6 2050.0 0.121 201.5 2051.0 0.124 199.5 2052.0 0.128 197.6 2053.0 0.131 195.8 2054.0 0.135 194.1 2055.0 0.138 192.5 2056.0 0.142 191.0 2057.0 0.145 189.6 2058.0 0.149 188.2 2059.0 0.152 186.9 2060.0 0.156 185.6 2061.0 0.159 184.4 2062.0 0.163 183.2 2063.0 0.166 182.1 2064.0 0.169 181.1 2065.0 0.172 180.0 2066.0 0.176 179.1 2067.0 0.179 178.1 2068.0 0.182 177.2 2069.0 0.185 176.3 2070.0 0.188 175.5 2071.0 0.191 174.6 2072.0 0.194 173.8 2073.0 0.197 173.0 2074.0 0.200 172.3 2075.0 0.203 171.5 2076.0 0.206 170.8 2077.0 0.208 170.1 2078.0 0.211 169.5 2079.0 0.214 168.8 2080.0 0.216 168.1 2081.0 0.219 167.5 2082.0 0.222 166.9 2083.0 0.224 166.3 2084.0 0.227 165.7 2085.0 0.229 165.1 2086.0 0.231 164.6 2087.0 0.234 164.0 2088.0 0.236 163.5 2089.0 0.238 163.0 2090.0 0.241 162.4 2091.0 0.243 161.9 2092.0 0.245 161.4 2093.0 0.247 160.9 2094.0 0.249 160.4 2095.0 0.251 160.0 2096.0 0.253 159.5 2097.0 0.255 159.0 2098.0 0.257 158.6 2099.0 0.259 158.1 2100.0 0.260 157.7 2101.0 0.262 157.2 2102.0 0.264 156.8 2103.0 0.265 156.4 2104.0 0.267 156.0 2105.0 0.269 155.5 2106.0 0.270 155.1 2107.0 0.272 154.7 2108.0 0.273 154.3 2109.0 0.275 153.9 2110.0 0.276 153.5 2111.0 0.278 153.1 2112.0 0.279 152.8 2113.0 0.280 152.4 2114.0 0.281 152.0 2115.0 0.283 151.6 2116.0 0.284 151.2 2117.0 0.285 150.9 2118.0 0.286 150.5 2119.0 0.287 150.1 2120.0 0.288 149.8 2121.0 0.289 149.4 2122.0 0.290 149.1 2123.0 0.291 148.7 2124.0 0.292 148.4 2125.0 0.293 148.0 2126.0 0.294 147.7 2127.0 0.294 147.3 2128.0 0.295 147.0 2129.0 0.296 146.6 2130.0 0.297 146.3 2131.0 0.297 146.0 2132.0 0.298 145.6 2133.0 0.298 145.3 2134.0 0.299 145.0 2135.0 0.299 144.6 2136.0 0.300 144.3 2137.0 0.300 144.0 2138.0 0.301 143.6 2139.0 0.301 143.3 2140.0 0.301 143.0 2141.0 0.302 142.6 2142.0 0.302 142.3 2143.0 0.302 142.0 2144.0 0.302 141.7 2145.0 0.302 141.3 2146.0 0.303 141.0 2147.0 0.303 140.7 2148.0 0.303 140.4 2149.0 0.303 140.0 2150.0 0.303 139.7 2151.0 0.303 139.4 2152.0 0.303 139.1 2153.0 0.303 138.7 2154.0 0.302 138.4 2155.0 0.302 138.1