| WDS: | A2869 | WDS ID/Discoverer |
| P: | 143.690 | Orbital period (years) |
| a: | 0.214 | Semi-major axis (arcseconds) |
| i: | 155.5 | Inclination (degrees) |
| Ω: | 304.7 | Longitude of ascending node (degrees) |
| T: | 1995.890 | Epoch of periastron passage (year) |
| e: | 0.773 | Eccentricity |
| ω: | 48.1 | Longitude of periastron (degrees) |
| Start-Year: | 1953.155 | Year |
| End-Year: | 2096.845 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A2869 |
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| Position: | 073027.65+074309.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 07305+0743 | WDS designation |
| Discoverer Code: | A2869 | Discover designation and components |
| ADS number: | 6138 | Aitken Double Star catalog |
| HD number: | 59473 | HD catalog number |
| Hipparcos number: | 36487 | Hipparcos catalog number |
| V1: | 8.3 | Magnitude of the primary |
| V2: | 8.5 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | 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: | USN2019 | 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 0.284 103.52 -------------------------- 1953.15 0.311 62.81 1954.15 0.308 62.12 1955.15 0.305 61.41 1956.15 0.301 60.69 1957.15 0.297 59.95 1958.15 0.294 59.19 1959.15 0.290 58.42 1960.15 0.286 57.62 1961.15 0.282 56.80 1962.15 0.278 55.95 1963.15 0.273 55.08 1964.15 0.269 54.18 1965.15 0.264 53.25 1966.15 0.260 52.28 1967.15 0.255 51.28 1968.15 0.250 50.24 1969.15 0.245 49.16 1970.15 0.239 48.03 1971.15 0.234 46.85 1972.15 0.228 45.61 1973.15 0.223 44.31 1974.15 0.217 42.94 1975.15 0.211 41.49 1976.15 0.204 39.95 1977.15 0.198 38.32 1978.15 0.191 36.57 1979.15 0.185 34.69 1980.15 0.178 32.67 1981.15 0.170 30.48 1982.15 0.163 28.09 1983.15 0.155 25.47 1984.15 0.147 22.57 1985.15 0.139 19.33 1986.15 0.131 15.69 1987.15 0.122 11.53 1988.15 0.113 6.73 1989.15 0.104 1.10 1990.15 0.095 354.36 1991.15 0.085 346.13 1992.15 0.075 335.79 1993.15 0.066 322.42 1994.15 0.057 304.66 1995.15 0.049 280.84 1996.15 0.046 250.99 1997.15 0.048 220.42 1998.15 0.057 195.92 1999.15 0.068 178.56 2000.15 0.080 166.30 2001.15 0.092 157.30 2002.15 0.104 150.38 2003.15 0.115 144.87 2004.15 0.126 140.34 2005.15 0.137 136.52 2006.15 0.147 133.24 2007.15 0.157 130.36 2008.15 0.166 127.82 2009.15 0.175 125.53 2010.15 0.183 123.46 2011.15 0.191 121.57 2012.15 0.199 119.83 2013.15 0.207 118.22 2014.15 0.214 116.72 2015.15 0.221 115.32 2016.15 0.227 114.00 2017.15 0.234 112.75 2018.15 0.240 111.57 2019.15 0.246 110.45 2020.15 0.252 109.38 2021.15 0.257 108.35 2022.15 0.263 107.37 2023.15 0.268 106.43 2024.15 0.273 105.52 2025.15 0.277 104.65 2026.15 0.282 103.80 2027.15 0.287 102.98 2028.15 0.291 102.19 2029.15 0.295 101.42 2030.15 0.299 100.67 2031.15 0.303 99.93 2032.15 0.306 99.22 2033.15 0.310 98.52 2034.15 0.313 97.84 2035.15 0.317 97.17 2036.15 0.320 96.52 2037.15 0.323 95.88 2038.15 0.326 95.25 2039.15 0.329 94.63 2040.15 0.331 94.02 2041.15 0.334 93.42 2042.15 0.336 92.83 2043.15 0.338 92.25 2044.15 0.340 91.67 2045.15 0.343 91.11 2046.15 0.344 90.55 2047.15 0.346 89.99 2048.15 0.348 89.44 2049.15 0.350 88.90 2050.15 0.351 88.36 2051.15 0.352 87.82 2052.15 0.354 87.29 2053.15 0.355 86.76 2054.15 0.356 86.24 2055.15 0.357 85.72 2056.15 0.358 85.20 2057.15 0.359 84.68 2058.15 0.359 84.17 2059.15 0.360 83.66 2060.15 0.360 83.15 2061.15 0.361 82.64 2062.15 0.361 82.13 2063.15 0.361 81.62 2064.15 0.361 81.11 2065.15 0.361 80.61 2066.15 0.361 80.10 2067.15 0.361 79.59 2068.15 0.361 79.08 2069.15 0.360 78.57 2070.15 0.360 78.06 2071.15 0.359 77.55 2072.15 0.359 77.04 2073.15 0.358 76.52 2074.15 0.357 76.00 2075.15 0.356 75.48 2076.15 0.355 74.96 2077.15 0.354 74.43 2078.15 0.353 73.90 2079.15 0.351 73.36 2080.15 0.350 72.83 2081.15 0.348 72.28 2082.15 0.347 71.73 2083.15 0.345 71.18 2084.15 0.343 70.62 2085.15 0.341 70.05 2086.15 0.339 69.48 2087.15 0.337 68.90 2088.15 0.335 68.31 2089.15 0.332 67.72 2090.15 0.330 67.12 2091.15 0.328 66.50 2092.15 0.325 65.88 2093.15 0.322 65.25 2094.15 0.319 64.60 2095.15 0.316 63.95 2096.15 0.313 63.28
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:57:58 |