| WDS: | CHR9AA,AB | WDS ID/Discoverer |
| P: | 111.018 | Orbital period (years) |
| a: | 0.648 | Semi-major axis (arcseconds) |
| i: | 93.3 | Inclination (degrees) |
| Ω: | 58.9 | Longitude of ascending node (degrees) |
| T: | 2000.330 | Epoch of periastron passage (year) |
| e: | 0.77 | Eccentricity |
| ω: | 274.9 | Longitude of periastron (degrees) |
| Start-Year: | 1969.4908061892472 | Year |
| End-Year: | 2080.5091938107525 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for CHR9AA,AB |
||
| Position: | 032635.36+284255.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03266+2843 | WDS designation |
| Discoverer Code: | CHR9AA,AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 21242 | HD catalog number |
| Hipparcos number: | 16042 | Hipparcos catalog number |
| V1: | 6.69 | Magnitude of the primary |
| V2: | 9.84 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2009 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Ptn2011 | 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 48.62 -------------------------- 1969.49 0.387 246.65 1970.49 0.396 246.33 1971.49 0.404 246.01 1972.49 0.411 245.71 1973.49 0.419 245.42 1974.49 0.426 245.14 1975.49 0.432 244.87 1976.49 0.438 244.61 1977.49 0.443 244.35 1978.49 0.448 244.10 1979.49 0.451 243.85 1980.49 0.455 243.60 1981.49 0.457 243.36 1982.49 0.459 243.13 1983.49 0.459 242.89 1984.49 0.459 242.65 1985.49 0.457 242.41 1986.49 0.454 242.17 1987.49 0.450 241.93 1988.49 0.444 241.68 1989.49 0.435 241.42 1990.49 0.425 241.15 1991.49 0.412 240.86 1992.49 0.395 240.56 1993.49 0.375 240.22 1994.49 0.349 239.84 1995.49 0.317 239.39 1996.49 0.277 238.82 1997.49 0.225 238.02 1998.49 0.158 236.63 1999.49 0.071 232.31 2000.49 0.030 75.12 2001.49 0.122 61.99 2002.49 0.194 59.94 2003.49 0.247 58.91 2004.49 0.285 58.21 2005.49 0.313 57.65 2006.49 0.333 57.17 2007.49 0.348 56.74 2008.49 0.359 56.34 2009.49 0.366 55.96 2010.49 0.371 55.59 2011.49 0.373 55.23 2012.49 0.374 54.87 2013.49 0.373 54.51 2014.49 0.371 54.15 2015.49 0.367 53.78 2016.49 0.362 53.41 2017.49 0.357 53.02 2018.49 0.351 52.62 2019.49 0.344 52.21 2020.49 0.336 51.78 2021.49 0.328 51.32 2022.49 0.320 50.85 2023.49 0.311 50.34 2024.49 0.301 49.81 2025.49 0.291 49.24 2026.49 0.281 48.63 2027.49 0.271 47.97 2028.49 0.260 47.26 2029.49 0.249 46.49 2030.49 0.238 45.64 2031.49 0.227 44.72 2032.49 0.215 43.69 2033.49 0.204 42.55 2034.49 0.192 41.27 2035.49 0.180 39.83 2036.49 0.169 38.19 2037.49 0.157 36.30 2038.49 0.146 34.12 2039.49 0.134 31.56 2040.49 0.123 28.53 2041.49 0.112 24.91 2042.49 0.102 20.53 2043.49 0.092 15.19 2044.49 0.083 8.66 2045.49 0.076 0.71 2046.49 0.070 351.24 2047.49 0.066 340.40 2048.49 0.065 328.76 2049.49 0.067 317.21 2050.49 0.071 306.59 2051.49 0.077 297.40 2052.49 0.085 289.73 2053.49 0.094 283.44 2054.49 0.104 278.29 2055.49 0.114 274.07 2056.49 0.125 270.57 2057.49 0.136 267.64 2058.49 0.148 265.17 2059.49 0.160 263.05 2060.49 0.171 261.22 2061.49 0.183 259.63 2062.49 0.195 258.22 2063.49 0.207 256.98 2064.49 0.218 255.88 2065.49 0.230 254.88 2066.49 0.242 253.98 2067.49 0.253 253.17 2068.49 0.265 252.42 2069.49 0.276 251.74 2070.49 0.287 251.11 2071.49 0.298 250.52 2072.49 0.309 249.98 2073.49 0.320 249.47 2074.49 0.330 249.00 2075.49 0.340 248.55 2076.49 0.350 248.13 2077.49 0.360 247.74 2078.49 0.369 247.36 2079.49 0.378 247.00 2080.49 0.387 246.66
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:10:37 |