| WDS: | HU442 | WDS ID/Discoverer |
| P: | 140.230 | Orbital period (years) |
| a: | 0.26 | Semi-major axis (arcseconds) |
| i: | 28.1 | Inclination (degrees) |
| Ω: | 165.6 | Longitude of ascending node (degrees) |
| T: | 1997.530 | Epoch of periastron passage (year) |
| e: | 0.716 | Eccentricity |
| ω: | 3.9 | Longitude of periastron (degrees) |
| Start-Year: | 1954.885 | Year |
| End-Year: | 2095.115 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for HU442 |
||
| Position: | 043959.09+230052.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04400+2301 | WDS designation |
| Discoverer Code: | HU442 | Discover designation and components |
| ADS number: | 3370 | Aitken Double Star catalog |
| HD number: | 29538 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.3 | Magnitude of the primary |
| V2: | 9.9 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2007 | 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: | Hrt2009 | 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 0.323 321.76 -------------------------- 1954.88 0.391 5.19 1955.88 0.386 5.90 1956.88 0.382 6.62 1957.88 0.378 7.36 1958.88 0.373 8.12 1959.88 0.368 8.90 1960.88 0.363 9.70 1961.88 0.358 10.52 1962.88 0.353 11.37 1963.88 0.347 12.24 1964.88 0.341 13.14 1965.88 0.336 14.07 1966.88 0.329 15.04 1967.88 0.323 16.04 1968.88 0.317 17.09 1969.88 0.310 18.18 1970.88 0.303 19.31 1971.88 0.296 20.51 1972.88 0.289 21.76 1973.88 0.281 23.08 1974.88 0.273 24.47 1975.88 0.265 25.94 1976.88 0.257 27.51 1977.88 0.248 29.19 1978.88 0.240 30.98 1979.88 0.231 32.91 1980.88 0.221 35.01 1981.88 0.212 37.28 1982.88 0.202 39.78 1983.88 0.192 42.53 1984.88 0.182 45.59 1985.88 0.171 49.01 1986.88 0.161 52.89 1987.88 0.150 57.32 1988.88 0.139 62.44 1989.88 0.128 68.43 1990.88 0.118 75.51 1991.88 0.107 83.99 1992.88 0.098 94.19 1993.88 0.089 106.46 1994.88 0.082 121.04 1995.88 0.077 137.87 1996.88 0.075 156.48 1997.88 0.074 176.01 1998.88 0.075 195.34 1999.88 0.079 213.32 2000.88 0.086 229.08 2001.88 0.094 242.34 2002.88 0.104 253.26 2003.88 0.115 262.22 2004.88 0.126 269.62 2005.88 0.137 275.81 2006.88 0.149 281.06 2007.88 0.160 285.56 2008.88 0.171 289.47 2009.88 0.182 292.91 2010.88 0.192 295.97 2011.88 0.203 298.71 2012.88 0.213 301.19 2013.88 0.222 303.45 2014.88 0.232 305.52 2015.88 0.241 307.43 2016.88 0.250 309.21 2017.88 0.259 310.86 2018.88 0.267 312.40 2019.88 0.275 313.86 2020.88 0.283 315.23 2021.88 0.291 316.52 2022.88 0.298 317.76 2023.88 0.305 318.93 2024.88 0.312 320.05 2025.88 0.319 321.12 2026.88 0.326 322.15 2027.88 0.332 323.13 2028.88 0.338 324.09 2029.88 0.344 325.00 2030.88 0.350 325.89 2031.88 0.355 326.75 2032.88 0.361 327.59 2033.88 0.366 328.40 2034.88 0.371 329.18 2035.88 0.376 329.95 2036.88 0.380 330.70 2037.88 0.385 331.43 2038.88 0.389 332.14 2039.88 0.393 332.84 2040.88 0.397 333.53 2041.88 0.401 334.20 2042.88 0.404 334.86 2043.88 0.408 335.51 2044.88 0.411 336.15 2045.88 0.414 336.77 2046.88 0.417 337.39 2047.88 0.420 338.00 2048.89 0.423 338.60 2049.89 0.425 339.20 2050.89 0.428 339.79 2051.89 0.430 340.37 2052.89 0.432 340.94 2053.89 0.434 341.51 2054.89 0.436 342.08 2055.89 0.437 342.64 2056.89 0.439 343.20 2057.89 0.440 343.75 2058.89 0.441 344.30 2059.89 0.442 344.85 2060.89 0.443 345.40 2061.89 0.444 345.94 2062.89 0.445 346.48 2063.89 0.445 347.02 2064.89 0.446 347.56 2065.89 0.446 348.10 2066.89 0.446 348.63 2067.89 0.446 349.17 2068.89 0.446 349.71 2069.89 0.445 350.25 2070.89 0.445 350.79 2071.89 0.444 351.33 2072.89 0.444 351.87 2073.89 0.443 352.41 2074.89 0.442 352.96 2075.89 0.441 353.51 2076.89 0.439 354.06 2077.89 0.438 354.61 2078.89 0.436 355.17 2079.89 0.435 355.74 2080.89 0.433 356.30 2081.89 0.431 356.88 2082.89 0.429 357.46 2083.89 0.426 358.04 2084.89 0.424 358.63 2085.89 0.421 359.23 2086.89 0.419 359.84 2087.89 0.416 0.45 2088.89 0.413 1.07 2089.89 0.410 1.70 2090.89 0.406 2.35 2091.89 0.403 3.00 2092.89 0.399 3.66 2093.89 0.395 4.34 2094.89 0.392 5.03
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| Report created: |
2026-06-25 15:28:42 |