| WDS: | A1627 | WDS ID/Discoverer |
| P: | 101.250 | Orbital period (years) |
| a: | 0.23 | Semi-major axis (arcseconds) |
| i: | 61.8 | Inclination (degrees) |
| Ω: | 24.0 | Longitude of ascending node (degrees) |
| T: | 1954.520 | Epoch of periastron passage (year) |
| e: | 0.05 | Eccentricity |
| ω: | 309.7 | Longitude of periastron (degrees) |
| Start-Year: | 1974.375 | Year |
| End-Year: | 2075.625 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A1627 |
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| Position: | 145546.57+393854.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 14558+3939 | WDS designation |
| Discoverer Code: | A1627 | Discover designation and components |
| ADS number: | 9441 | Aitken Double Star catalog |
| HD number: | 132027 | HD catalog number |
| Hipparcos number: | 73053 | Hipparcos catalog number |
| V1: | 8.8 | Magnitude of the primary |
| V2: | 8.8 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 1990 | 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: | Baz1993a | 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 0.222 213.84 -------------------------- 1974.38 0.209 36.87 1975.38 0.205 38.94 1976.38 0.200 41.10 1977.38 0.195 43.38 1978.38 0.189 45.80 1979.38 0.182 48.38 1980.38 0.176 51.14 1981.38 0.169 54.13 1982.38 0.162 57.36 1983.38 0.155 60.89 1984.38 0.148 64.74 1985.38 0.142 68.97 1986.38 0.135 73.60 1987.38 0.129 78.67 1988.38 0.124 84.20 1989.38 0.120 90.18 1990.38 0.116 96.57 1991.38 0.114 103.28 1992.38 0.113 110.20 1993.38 0.113 117.17 1994.38 0.114 124.05 1995.38 0.117 130.69 1996.38 0.121 136.98 1997.38 0.125 142.85 1998.38 0.131 148.26 1999.38 0.137 153.21 2000.38 0.144 157.72 2001.38 0.151 161.83 2002.38 0.158 165.57 2003.38 0.165 168.98 2004.38 0.172 172.11 2005.38 0.179 174.99 2006.38 0.186 177.66 2007.38 0.193 180.13 2008.38 0.199 182.45 2009.38 0.205 184.62 2010.38 0.211 186.68 2011.38 0.216 188.63 2012.38 0.220 190.49 2013.38 0.225 192.29 2014.38 0.228 194.02 2015.38 0.231 195.70 2016.38 0.234 197.34 2017.38 0.235 198.95 2018.38 0.237 200.55 2019.38 0.237 202.13 2020.38 0.237 203.70 2021.38 0.236 205.29 2022.38 0.235 206.89 2023.38 0.233 208.51 2024.38 0.230 210.16 2025.38 0.227 211.86 2026.38 0.223 213.62 2027.38 0.218 215.44 2028.38 0.213 217.35 2029.38 0.207 219.36 2030.38 0.201 221.49 2031.38 0.195 223.75 2032.38 0.187 226.19 2033.38 0.180 228.82 2034.38 0.172 231.68 2035.38 0.164 234.83 2036.38 0.156 238.29 2037.38 0.148 242.13 2038.38 0.140 246.42 2039.38 0.132 251.21 2040.38 0.125 256.57 2041.38 0.119 262.54 2042.38 0.113 269.16 2043.38 0.109 276.37 2044.38 0.106 284.09 2045.38 0.104 292.13 2046.38 0.105 300.27 2047.38 0.107 308.24 2048.38 0.110 315.83 2049.38 0.115 322.89 2050.38 0.120 329.33 2051.38 0.127 335.14 2052.38 0.134 340.35 2053.38 0.142 345.02 2054.38 0.150 349.20 2055.38 0.158 352.97 2056.38 0.165 356.38 2057.38 0.173 359.48 2058.38 0.180 2.33 2059.38 0.187 4.97 2060.38 0.193 7.42 2061.38 0.199 9.73 2062.38 0.204 11.90 2063.38 0.209 13.98 2064.38 0.213 15.97 2065.38 0.216 17.89 2066.38 0.219 19.76 2067.38 0.221 21.60 2068.38 0.222 23.40 2069.38 0.223 25.20 2070.38 0.222 26.99 2071.38 0.221 28.80 2072.38 0.219 30.63 2073.38 0.217 32.49 2074.38 0.214 34.40 2075.38 0.210 36.37
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:10:26 |