| WDS: | A2186 | WDS ID/Discoverer |
| P: | 170.750 | Orbital period (years) |
| a: | 0.535 | Semi-major axis (arcseconds) |
| i: | 97.9 | Inclination (degrees) |
| Ω: | 41.5 | Longitude of ascending node (degrees) |
| T: | 1902.460 | Epoch of periastron passage (year) |
| e: | 0.857 | Eccentricity |
| ω: | 274.1 | Longitude of periastron (degrees) |
| Start-Year: | 1939.625 | Year |
| End-Year: | 2110.375 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A2186 |
||
| Position: | 174957.04+003043.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17500+0031 | WDS designation |
| Discoverer Code: | A2186 | Discover designation and components |
| ADS number: | 10819 | Aitken Double Star catalog |
| HD number: | 162232 | HD catalog number |
| Hipparcos number: | 87272 | Hipparcos catalog number |
| V1: | 9.2 | Magnitude of the primary |
| V2: | 9.4 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2012 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Zir2013d | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.281 244.96 -------------------------- 1939.62 0.211 12.42 1940.62 0.208 11.45 1941.62 0.205 10.44 1942.62 0.202 9.41 1943.62 0.198 8.34 1944.62 0.195 7.23 1945.62 0.192 6.09 1946.62 0.189 4.91 1947.62 0.186 3.69 1948.62 0.182 2.43 1949.62 0.179 1.13 1950.62 0.176 359.77 1951.62 0.173 358.37 1952.62 0.170 356.93 1953.62 0.167 355.42 1954.62 0.164 353.87 1955.62 0.162 352.26 1956.62 0.159 350.60 1957.62 0.156 348.88 1958.62 0.154 347.11 1959.62 0.152 345.27 1960.62 0.149 343.38 1961.62 0.147 341.44 1962.62 0.145 339.43 1963.62 0.143 337.38 1964.62 0.142 335.27 1965.62 0.140 333.11 1966.62 0.139 330.91 1967.62 0.137 328.67 1968.62 0.136 326.39 1969.62 0.136 324.07 1970.62 0.135 321.74 1971.62 0.135 319.38 1972.62 0.134 317.02 1973.62 0.134 314.65 1974.62 0.134 312.28 1975.62 0.135 309.91 1976.62 0.135 307.57 1977.62 0.136 305.25 1978.62 0.137 302.95 1979.62 0.138 300.69 1980.62 0.139 298.47 1981.62 0.141 296.30 1982.62 0.143 294.17 1983.62 0.144 292.09 1984.62 0.146 290.07 1985.62 0.148 288.10 1986.62 0.151 286.19 1987.62 0.153 284.34 1988.62 0.156 282.54 1989.62 0.158 280.81 1990.62 0.161 279.13 1991.62 0.164 277.51 1992.62 0.167 275.94 1993.62 0.170 274.43 1994.62 0.173 272.97 1995.62 0.176 271.57 1996.62 0.179 270.21 1997.62 0.182 268.90 1998.62 0.186 267.64 1999.62 0.189 266.43 2000.62 0.193 265.25 2001.62 0.196 264.12 2002.62 0.199 263.03 2003.62 0.203 261.97 2004.62 0.207 260.95 2005.62 0.210 259.96 2006.62 0.214 259.01 2007.62 0.217 258.09 2008.62 0.221 257.20 2009.62 0.224 256.34 2010.62 0.228 255.50 2011.62 0.231 254.69 2012.62 0.235 253.90 2013.62 0.238 253.14 2014.62 0.242 252.40 2015.62 0.245 251.68 2016.62 0.249 250.98 2017.62 0.252 250.30 2018.62 0.256 249.64 2019.62 0.259 248.99 2020.62 0.262 248.36 2021.62 0.266 247.75 2022.62 0.269 247.15 2023.62 0.272 246.57 2024.62 0.275 245.99 2025.62 0.278 245.44 2026.62 0.281 244.89 2027.62 0.284 244.35 2028.62 0.287 243.83 2029.62 0.290 243.31 2030.62 0.292 242.81 2031.62 0.295 242.31 2032.62 0.297 241.83 2033.62 0.300 241.35 2034.62 0.302 240.87 2035.62 0.304 240.41 2036.62 0.306 239.95 2037.62 0.308 239.50 2038.62 0.310 239.05 2039.62 0.312 238.61 2040.62 0.313 238.17 2041.62 0.315 237.73 2042.62 0.316 237.30 2043.62 0.317 236.88 2044.62 0.318 236.45 2045.62 0.318 236.03 2046.62 0.319 235.61 2047.62 0.319 235.19 2048.62 0.319 234.77 2049.62 0.318 234.34 2050.62 0.318 233.92 2051.62 0.317 233.50 2052.62 0.316 233.07 2053.62 0.314 232.64 2054.62 0.312 232.20 2055.62 0.309 231.76 2056.62 0.306 231.31 2057.62 0.303 230.85 2058.62 0.299 230.38 2059.62 0.294 229.89 2060.62 0.289 229.39 2061.62 0.282 228.86 2062.62 0.275 228.31 2063.62 0.266 227.73 2064.62 0.256 227.10 2065.62 0.244 226.42 2066.62 0.231 225.67 2067.62 0.214 224.80 2068.62 0.194 223.78 2069.62 0.169 222.48 2070.62 0.137 220.66 2071.62 0.094 217.42 2072.62 0.037 205.55 2073.62 0.036 57.46 2074.62 0.092 45.03 2075.62 0.132 41.61 2076.62 0.161 39.62 2077.62 0.181 38.16 2078.62 0.197 36.97 2079.62 0.210 35.94 2080.62 0.219 35.01 2081.62 0.227 34.15 2082.62 0.233 33.35 2083.62 0.238 32.58 2084.62 0.242 31.84 2085.62 0.246 31.12 2086.62 0.248 30.42 2087.62 0.250 29.73 2088.62 0.251 29.05 2089.62 0.251 28.37 2090.62 0.252 27.69 2091.62 0.251 27.02 2092.62 0.251 26.34 2093.62 0.250 25.66 2094.62 0.249 24.97 2095.62 0.248 24.28 2096.62 0.246 23.58 2097.62 0.244 22.87 2098.62 0.242 22.15 2099.62 0.240 21.42 2100.62 0.238 20.67 2101.62 0.236 19.91 2102.62 0.233 19.13 2103.62 0.231 18.34 2104.62 0.228 17.52 2105.62 0.225 16.69 2106.62 0.222 15.84 2107.62 0.219 14.96 2108.62 0.216 14.06 2109.62 0.213 13.13
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 17:43:26 |