| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:22:09 |
| WDS: | I440 | WDS ID/Discoverer |
| P: | 196.000 | Orbital period (years) |
| a: | 0.274 | Semi-major axis (arcseconds) |
| i: | 157.0 | Inclination (degrees) |
| Ω: | 57.0 | Longitude of ascending node (degrees) |
| T: | 2142.000 | Epoch of periastron passage (year) |
| e: | 0.65 | Eccentricity |
| ω: | 344.0 | Longitude of periastron (degrees) |
| Start-Year: | 1927.0 | Year |
| End-Year: | 2123.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 004241.37-653630.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00427-6537 | WDS designation |
| Discoverer Code: | I440 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 4125 | HD catalog number |
| Hipparcos number: | 3351 | Hipparcos catalog number |
| V1: | 7.27 | Magnitude of the primary |
| V2: | 8.75 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | 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 0.433 261.1 ------------------------- 1927.0 0.203 188.5 1928.0 0.195 186.1 1929.0 0.188 183.5 1930.0 0.181 180.6 1931.0 0.173 177.5 1932.0 0.165 174.2 1933.0 0.158 170.5 1934.0 0.150 166.4 1935.0 0.143 161.9 1936.0 0.135 156.9 1937.0 0.128 151.4 1938.0 0.122 145.2 1939.0 0.115 138.3 1940.0 0.110 130.7 1941.0 0.105 122.3 1942.0 0.101 113.2 1943.0 0.098 103.4 1944.0 0.096 93.0 1945.0 0.095 82.4 1946.0 0.095 71.8 1947.0 0.097 61.3 1948.0 0.099 51.2 1949.0 0.102 41.5 1950.0 0.105 32.5 1951.0 0.109 24.1 1952.0 0.114 16.4 1953.0 0.119 9.3 1954.0 0.125 2.9 1955.0 0.131 357.0 1956.0 0.137 351.6 1957.0 0.143 346.7 1958.0 0.150 342.2 1959.0 0.156 338.1 1960.0 0.163 334.3 1961.0 0.170 330.8 1962.0 0.176 327.6 1963.0 0.183 324.6 1964.0 0.189 321.8 1965.0 0.196 319.2 1966.0 0.203 316.8 1967.0 0.209 314.5 1968.0 0.215 312.3 1969.0 0.222 310.3 1970.0 0.228 308.4 1971.0 0.234 306.6 1972.0 0.240 304.9 1973.0 0.246 303.3 1974.0 0.252 301.7 1975.0 0.258 300.2 1976.0 0.263 298.8 1977.0 0.269 297.4 1978.0 0.274 296.1 1979.0 0.280 294.9 1980.0 0.285 293.7 1981.0 0.290 292.5 1982.0 0.295 291.4 1983.0 0.300 290.3 1984.0 0.305 289.2 1985.0 0.310 288.2 1986.0 0.315 287.2 1987.0 0.320 286.3 1988.0 0.324 285.3 1989.0 0.329 284.4 1990.0 0.333 283.5 1991.0 0.337 282.7 1992.0 0.341 281.8 1993.0 0.345 281.0 1994.0 0.349 280.2 1995.0 0.353 279.4 1996.0 0.357 278.7 1997.0 0.361 277.9 1998.0 0.365 277.2 1999.0 0.368 276.5 2000.0 0.372 275.8 2001.0 0.375 275.1 2002.0 0.378 274.4 2003.0 0.382 273.7 2004.0 0.385 273.1 2005.0 0.388 272.4 2006.0 0.391 271.8 2007.0 0.394 271.2 2008.0 0.397 270.6 2009.0 0.399 269.9 2010.0 0.402 269.3 2011.0 0.405 268.8 2012.0 0.407 268.2 2013.0 0.410 267.6 2014.0 0.412 267.0 2015.0 0.414 266.5 2016.0 0.417 265.9 2017.0 0.419 265.3 2018.0 0.421 264.8 2019.0 0.423 264.3 2020.0 0.425 263.7 2021.0 0.427 263.2 2022.0 0.429 262.7 2023.0 0.430 262.1 2024.0 0.432 261.6 2025.0 0.433 261.1 2026.0 0.435 260.6 2027.0 0.436 260.1 2028.0 0.438 259.6 2029.0 0.439 259.1 2030.0 0.440 258.6 2031.0 0.441 258.1 2032.0 0.442 257.6 2033.0 0.443 257.1 2034.0 0.444 256.6 2035.0 0.445 256.1 2036.0 0.446 255.6 2037.0 0.447 255.1 2038.0 0.447 254.7 2039.0 0.448 254.2 2040.0 0.448 253.7 2041.0 0.449 253.2 2042.0 0.449 252.7 2043.0 0.449 252.3 2044.0 0.449 251.8 2045.0 0.450 251.3 2046.0 0.450 250.8 2047.0 0.450 250.4 2048.0 0.450 249.9 2049.0 0.449 249.4 2050.0 0.449 248.9 2051.0 0.449 248.4 2052.0 0.448 248.0 2053.0 0.448 247.5 2054.0 0.448 247.0 2055.0 0.447 246.5 2056.0 0.446 246.0 2057.0 0.446 245.6 2058.0 0.445 245.1 2059.0 0.444 244.6 2060.0 0.443 244.1 2061.0 0.442 243.6 2062.0 0.441 243.1 2063.0 0.440 242.6 2064.0 0.438 242.1 2065.0 0.437 241.6 2066.0 0.435 241.1 2067.0 0.434 240.6 2068.0 0.432 240.1 2069.0 0.431 239.5 2070.0 0.429 239.0 2071.0 0.427 238.5 2072.0 0.425 238.0 2073.0 0.423 237.4 2074.0 0.421 236.9 2075.0 0.419 236.3 2076.0 0.417 235.8 2077.0 0.415 235.2 2078.0 0.412 234.7 2079.0 0.410 234.1 2080.0 0.407 233.5 2081.0 0.405 232.9 2082.0 0.402 232.3 2083.0 0.399 231.7 2084.0 0.396 231.1 2085.0 0.393 230.5 2086.0 0.390 229.9 2087.0 0.387 229.2 2088.0 0.384 228.6 2089.0 0.380 227.9 2090.0 0.377 227.3 2091.0 0.374 226.6 2092.0 0.370 225.9 2093.0 0.366 225.2 2094.0 0.362 224.4 2095.0 0.358 223.7 2096.0 0.354 222.9 2097.0 0.350 222.2 2098.0 0.346 221.4 2099.0 0.342 220.6 2100.0 0.337 219.7 2101.0 0.333 218.9 2102.0 0.328 218.0 2103.0 0.323 217.1 2104.0 0.318 216.1 2105.0 0.313 215.2 2106.0 0.308 214.2 2107.0 0.303 213.1 2108.0 0.298 212.1 2109.0 0.292 211.0 2110.0 0.287 209.8 2111.0 0.281 208.6 2112.0 0.275 207.4 2113.0 0.269 206.1 2114.0 0.263 204.7 2115.0 0.257 203.3 2116.0 0.251 201.8 2117.0 0.244 200.2 2118.0 0.238 198.5 2119.0 0.231 196.8 2120.0 0.224 194.9 2121.0 0.217 192.9 2122.0 0.210 190.8