| WDS: | A288 | WDS ID/Discoverer |
| P: | 163.200 | Orbital period (years) |
| a: | 0.206 | Semi-major axis (arcseconds) |
| i: | 30.0 | Inclination (degrees) |
| Ω: | 24.5 | Longitude of ascending node (degrees) |
| T: | 1979.200 | Epoch of periastron passage (year) |
| e: | 0.533 | Eccentricity |
| ω: | 138.6 | Longitude of periastron (degrees) |
| Start-Year: | 1943.4 | Year |
| End-Year: | 2106.6 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A288 |
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| Position: | 202308.98+205151.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20231+2052 | WDS designation |
| Discoverer Code: | A288 | Discover designation and components |
| ADS number: | 13777 | Aitken Double Star catalog |
| HD number: | 194113 | HD catalog number |
| Hipparcos number: | 100536 | Hipparcos catalog number |
| V1: | 8.72 | Magnitude of the primary |
| V2: | 8.98 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 1991 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Doc1994d | 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 0.241 315.80 -------------------------- 1943.40 0.240 26.49 1944.40 0.236 27.70 1945.40 0.233 28.94 1946.40 0.229 30.23 1947.40 0.225 31.56 1948.40 0.221 32.95 1949.40 0.217 34.38 1950.40 0.212 35.87 1951.40 0.208 37.43 1952.40 0.203 39.05 1953.40 0.198 40.75 1954.40 0.194 42.53 1955.40 0.189 44.41 1956.40 0.183 46.39 1957.40 0.178 48.49 1958.40 0.173 50.72 1959.40 0.167 53.09 1960.40 0.162 55.62 1961.40 0.156 58.34 1962.40 0.150 61.26 1963.40 0.144 64.42 1964.40 0.139 67.85 1965.40 0.133 71.58 1966.40 0.127 75.66 1967.40 0.121 80.12 1968.40 0.116 85.03 1969.40 0.110 90.42 1970.40 0.105 96.35 1971.40 0.101 102.84 1972.40 0.097 109.91 1973.40 0.093 117.55 1974.40 0.091 125.67 1975.40 0.089 134.18 1976.40 0.088 142.91 1977.40 0.088 151.70 1978.40 0.089 160.38 1979.40 0.091 168.80 1980.40 0.093 176.85 1981.40 0.096 184.49 1982.40 0.099 191.70 1983.40 0.102 198.47 1984.40 0.106 204.83 1985.40 0.109 210.80 1986.40 0.112 216.41 1987.40 0.116 221.70 1988.40 0.119 226.69 1989.40 0.122 231.41 1990.40 0.126 235.87 1991.40 0.129 240.10 1992.40 0.132 244.12 1993.40 0.136 247.94 1994.40 0.139 251.57 1995.40 0.143 255.03 1996.40 0.146 258.32 1997.40 0.149 261.47 1998.40 0.153 264.48 1999.40 0.156 267.36 2000.40 0.160 270.11 2001.40 0.163 272.75 2002.40 0.166 275.28 2003.40 0.170 277.70 2004.40 0.173 280.04 2005.40 0.177 282.28 2006.40 0.180 284.44 2007.40 0.183 286.51 2008.40 0.187 288.52 2009.40 0.190 290.45 2010.40 0.193 292.32 2011.40 0.197 294.13 2012.40 0.200 295.87 2013.40 0.203 297.56 2014.40 0.206 299.20 2015.40 0.209 300.79 2016.40 0.212 302.33 2017.40 0.215 303.83 2018.40 0.218 305.29 2019.40 0.221 306.71 2020.40 0.224 308.09 2021.40 0.227 309.43 2022.40 0.230 310.74 2023.40 0.233 312.02 2024.40 0.236 313.27 2025.40 0.238 314.49 2026.40 0.241 315.68 2027.40 0.244 316.85 2028.40 0.246 318.00 2029.40 0.249 319.11 2030.40 0.251 320.21 2031.40 0.254 321.29 2032.40 0.256 322.35 2033.40 0.258 323.38 2034.40 0.261 324.40 2035.40 0.263 325.40 2036.40 0.265 326.39 2037.40 0.267 327.36 2038.40 0.269 328.32 2039.40 0.271 329.26 2040.40 0.273 330.19 2041.40 0.275 331.10 2042.40 0.276 332.01 2043.40 0.278 332.90 2044.40 0.280 333.78 2045.40 0.281 334.65 2046.40 0.283 335.51 2047.40 0.284 336.37 2048.40 0.286 337.21 2049.40 0.287 338.05 2050.40 0.288 338.87 2051.40 0.290 339.69 2052.40 0.291 340.51 2053.40 0.292 341.32 2054.40 0.293 342.12 2055.40 0.294 342.91 2056.40 0.295 343.71 2057.40 0.296 344.49 2058.40 0.296 345.28 2059.40 0.297 346.05 2060.40 0.298 346.83 2061.40 0.298 347.60 2062.40 0.299 348.37 2063.40 0.299 349.14 2064.40 0.300 349.90 2065.40 0.300 350.66 2066.40 0.300 351.43 2067.40 0.300 352.19 2068.40 0.300 352.95 2069.40 0.300 353.71 2070.40 0.300 354.47 2071.40 0.300 355.23 2072.40 0.300 355.99 2073.40 0.300 356.75 2074.40 0.299 357.52 2075.40 0.299 358.29 2076.40 0.298 359.06 2077.40 0.298 359.83 2078.40 0.297 0.60 2079.40 0.296 1.38 2080.40 0.295 2.17 2081.40 0.294 2.96 2082.40 0.293 3.75 2083.40 0.292 4.55 2084.40 0.291 5.36 2085.40 0.290 6.17 2086.40 0.288 6.99 2087.40 0.287 7.82 2088.40 0.285 8.65 2089.40 0.284 9.50 2090.40 0.282 10.36 2091.40 0.280 11.22 2092.40 0.278 12.10 2093.40 0.276 13.00 2094.40 0.274 13.90 2095.40 0.272 14.82 2096.40 0.270 15.75 2097.40 0.267 16.71 2098.40 0.265 17.68 2099.40 0.262 18.66 2100.40 0.259 19.67 2101.40 0.257 20.70 2102.40 0.254 21.76 2103.40 0.251 22.84 2104.40 0.247 23.94 2105.40 0.244 25.08 2106.40 0.241 26.25
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2026-06-25 18:14:45 |