| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:03:11 |
| WDS: | STA3 | WDS ID/Discoverer |
| P: | 216.930 | Orbital period (years) |
| a: | 0.172 | Semi-major axis (arcseconds) |
| i: | 145.5 | Inclination (degrees) |
| Ω: | 171.4 | Longitude of ascending node (degrees) |
| T: | 1997.280 | Epoch of periastron passage (year) |
| e: | 0.637 | Eccentricity |
| ω: | 201.2 | Longitude of periastron (degrees) |
| Start-Year: | 1917.0 | Year |
| End-Year: | 2133.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 190718.13+360600.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19073+3606 | WDS designation |
| Discoverer Code: | STA3 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 178475 | HD catalog number |
| Hipparcos number: | 93903 | Hipparcos catalog number |
| V1: | 5.28 | Magnitude of the primary |
| V2: | 6.4 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | 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 0.148 201.9 ------------------------- 1917.0 0.253 141.3 1918.0 0.252 140.8 1919.0 0.250 140.3 1920.0 0.249 139.8 1921.0 0.248 139.3 1922.0 0.246 138.8 1923.0 0.245 138.3 1924.0 0.243 137.8 1925.0 0.241 137.2 1926.0 0.240 136.7 1927.0 0.238 136.1 1928.0 0.236 135.6 1929.0 0.234 135.0 1930.0 0.233 134.5 1931.0 0.231 133.9 1932.0 0.229 133.3 1933.0 0.227 132.7 1934.0 0.225 132.1 1935.0 0.223 131.5 1936.0 0.221 130.8 1937.0 0.219 130.2 1938.0 0.217 129.5 1939.0 0.215 128.8 1940.0 0.212 128.2 1941.0 0.210 127.5 1942.0 0.208 126.8 1943.0 0.206 126.0 1944.0 0.203 125.3 1945.0 0.201 124.5 1946.0 0.198 123.7 1947.0 0.196 122.9 1948.0 0.193 122.1 1949.0 0.191 121.3 1950.0 0.188 120.4 1951.0 0.186 119.5 1952.0 0.183 118.6 1953.0 0.180 117.6 1954.0 0.178 116.7 1955.0 0.175 115.7 1956.0 0.172 114.6 1957.0 0.169 113.5 1958.0 0.166 112.4 1959.0 0.163 111.3 1960.0 0.160 110.1 1961.0 0.157 108.9 1962.0 0.154 107.6 1963.0 0.151 106.2 1964.0 0.148 104.9 1965.0 0.145 103.4 1966.0 0.142 101.9 1967.0 0.139 100.3 1968.0 0.136 98.7 1969.0 0.133 96.9 1970.0 0.129 95.1 1971.0 0.126 93.2 1972.0 0.123 91.2 1973.0 0.120 89.1 1974.0 0.117 86.8 1975.0 0.113 84.5 1976.0 0.110 82.0 1977.0 0.107 79.3 1978.0 0.104 76.5 1979.0 0.101 73.5 1980.0 0.098 70.4 1981.0 0.095 67.0 1982.0 0.092 63.4 1983.0 0.089 59.6 1984.0 0.086 55.5 1985.0 0.084 51.2 1986.0 0.081 46.7 1987.0 0.079 41.8 1988.0 0.077 36.6 1989.0 0.075 31.2 1990.0 0.073 25.4 1991.0 0.071 19.4 1992.0 0.069 13.0 1993.0 0.067 6.3 1994.0 0.066 359.2 1995.0 0.064 351.8 1996.0 0.063 344.1 1997.0 0.061 336.0 1998.0 0.060 327.6 1999.0 0.060 318.9 2000.0 0.059 310.0 2001.0 0.059 301.1 2002.0 0.060 292.3 2003.0 0.061 283.8 2004.0 0.063 275.7 2005.0 0.066 268.1 2006.0 0.069 261.2 2007.0 0.072 254.9 2008.0 0.076 249.1 2009.0 0.080 244.0 2010.0 0.084 239.3 2011.0 0.088 235.0 2012.0 0.092 231.2 2013.0 0.097 227.7 2014.0 0.101 224.5 2015.0 0.106 221.6 2016.0 0.110 219.0 2017.0 0.115 216.5 2018.0 0.119 214.2 2019.0 0.123 212.1 2020.0 0.128 210.1 2021.0 0.132 208.3 2022.0 0.136 206.5 2023.0 0.140 204.9 2024.0 0.144 203.4 2025.0 0.148 201.9 2026.0 0.152 200.5 2027.0 0.156 199.2 2028.0 0.160 198.0 2029.0 0.163 196.8 2030.0 0.167 195.6 2031.0 0.171 194.5 2032.0 0.174 193.5 2033.0 0.177 192.5 2034.0 0.181 191.5 2035.0 0.184 190.5 2036.0 0.187 189.6 2037.0 0.190 188.8 2038.0 0.193 187.9 2039.0 0.196 187.1 2040.0 0.199 186.3 2041.0 0.202 185.5 2042.0 0.205 184.8 2043.0 0.207 184.0 2044.0 0.210 183.3 2045.0 0.213 182.6 2046.0 0.215 181.9 2047.0 0.218 181.3 2048.0 0.220 180.6 2049.0 0.222 180.0 2050.0 0.225 179.4 2051.0 0.227 178.7 2052.0 0.229 178.1 2053.0 0.231 177.6 2054.0 0.233 177.0 2055.0 0.235 176.4 2056.0 0.237 175.8 2057.0 0.239 175.3 2058.0 0.241 174.8 2059.0 0.243 174.2 2060.0 0.244 173.7 2061.0 0.246 173.2 2062.0 0.248 172.7 2063.0 0.249 172.2 2064.0 0.251 171.7 2065.0 0.252 171.2 2066.0 0.254 170.7 2067.0 0.255 170.2 2068.0 0.257 169.7 2069.0 0.258 169.3 2070.0 0.259 168.8 2071.0 0.260 168.3 2072.0 0.261 167.9 2073.0 0.263 167.4 2074.0 0.264 167.0 2075.0 0.265 166.5 2076.0 0.266 166.1 2077.0 0.267 165.6 2078.0 0.267 165.2 2079.0 0.268 164.8 2080.0 0.269 164.3 2081.0 0.270 163.9 2082.0 0.271 163.5 2083.0 0.271 163.0 2084.0 0.272 162.6 2085.0 0.272 162.2 2086.0 0.273 161.8 2087.0 0.274 161.4 2088.0 0.274 160.9 2089.0 0.274 160.5 2090.0 0.275 160.1 2091.0 0.275 159.7 2092.0 0.275 159.3 2093.0 0.276 158.9 2094.0 0.276 158.5 2095.0 0.276 158.1 2096.0 0.276 157.7 2097.0 0.276 157.2 2098.0 0.276 156.8 2099.0 0.276 156.4 2100.0 0.276 156.0 2101.0 0.276 155.6 2102.0 0.276 155.2 2103.0 0.276 154.8 2104.0 0.276 154.4 2105.0 0.276 154.0 2106.0 0.276 153.6 2107.0 0.275 153.2 2108.0 0.275 152.7 2109.0 0.275 152.3 2110.0 0.274 151.9 2111.0 0.274 151.5 2112.0 0.273 151.1 2113.0 0.273 150.7 2114.0 0.272 150.2 2115.0 0.272 149.8 2116.0 0.271 149.4 2117.0 0.270 149.0 2118.0 0.270 148.5 2119.0 0.269 148.1 2120.0 0.268 147.7 2121.0 0.267 147.2 2122.0 0.266 146.8 2123.0 0.265 146.4 2124.0 0.265 145.9 2125.0 0.264 145.5 2126.0 0.263 145.0 2127.0 0.261 144.6 2128.0 0.260 144.1 2129.0 0.259 143.7 2130.0 0.258 143.2 2131.0 0.257 142.7 2132.0 0.256 142.2