| WDS: | A424 | WDS ID/Discoverer |
| P: | 173.050 | Orbital period (years) |
| a: | 0.255 | Semi-major axis (arcseconds) |
| i: | 65.2 | Inclination (degrees) |
| Ω: | 59.3 | Longitude of ascending node (degrees) |
| T: | 1934.260 | Epoch of periastron passage (year) |
| e: | 0.489 | Eccentricity |
| ω: | 283.5 | Longitude of periastron (degrees) |
| Start-Year: | 1938.475 | Year |
| End-Year: | 2111.525 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A424 |
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| Position: | 234950.48+274050.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 23498+2741 | WDS designation |
| Discoverer Code: | A424 | Discover designation and components |
| ADS number: | 17030 | Aitken Double Star catalog |
| HD number: | 223486 | HD catalog number |
| Hipparcos number: | 117511 | Hipparcos catalog number |
| V1: | 7.58 | Magnitude of the primary |
| V2: | 8.20 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 1998 | 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: | Sca2002b | 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 0.192 187.37 -------------------------- 1938.47 0.100 34.32 1939.47 0.110 38.80 1940.47 0.120 42.53 1941.47 0.129 45.71 1942.47 0.138 48.48 1943.47 0.146 50.93 1944.47 0.154 53.13 1945.47 0.161 55.13 1946.47 0.167 56.98 1947.47 0.172 58.70 1948.47 0.177 60.32 1949.47 0.182 61.86 1950.47 0.186 63.32 1951.47 0.189 64.74 1952.47 0.192 66.10 1953.47 0.194 67.43 1954.47 0.196 68.73 1955.47 0.198 70.00 1956.47 0.199 71.25 1957.47 0.200 72.49 1958.47 0.201 73.71 1959.47 0.202 74.93 1960.47 0.202 76.15 1961.47 0.202 77.36 1962.47 0.202 78.58 1963.47 0.201 79.80 1964.47 0.200 81.03 1965.47 0.200 82.26 1966.47 0.199 83.51 1967.47 0.198 84.77 1968.47 0.196 86.04 1969.47 0.195 87.34 1970.47 0.194 88.65 1971.47 0.192 89.97 1972.47 0.191 91.33 1973.47 0.189 92.70 1974.47 0.187 94.10 1975.47 0.186 95.52 1976.47 0.184 96.97 1977.47 0.182 98.45 1978.47 0.180 99.96 1979.47 0.178 101.50 1980.47 0.177 103.07 1981.47 0.175 104.68 1982.47 0.173 106.31 1983.47 0.171 107.98 1984.47 0.170 109.68 1985.47 0.168 111.42 1986.47 0.166 113.19 1987.47 0.165 114.99 1988.47 0.164 116.83 1989.47 0.162 118.69 1990.47 0.161 120.59 1991.47 0.160 122.52 1992.47 0.159 124.47 1993.47 0.158 126.45 1994.47 0.157 128.45 1995.47 0.156 130.48 1996.47 0.155 132.52 1997.47 0.155 134.57 1998.47 0.155 136.64 1999.47 0.154 138.72 2000.47 0.154 140.80 2001.47 0.154 142.88 2002.47 0.154 144.96 2003.47 0.155 147.03 2004.47 0.155 149.09 2005.47 0.156 151.14 2006.47 0.156 153.18 2007.47 0.157 155.19 2008.47 0.158 157.18 2009.47 0.159 159.15 2010.47 0.160 161.09 2011.47 0.162 163.00 2012.47 0.163 164.87 2013.47 0.165 166.72 2014.47 0.166 168.53 2015.47 0.168 170.30 2016.47 0.170 172.03 2017.47 0.172 173.73 2018.47 0.174 175.39 2019.47 0.176 177.02 2020.47 0.178 178.60 2021.47 0.180 180.15 2022.47 0.182 181.66 2023.47 0.184 183.13 2024.47 0.187 184.57 2025.47 0.189 185.97 2026.47 0.192 187.34 2027.47 0.194 188.67 2028.47 0.196 189.97 2029.47 0.199 191.24 2030.47 0.201 192.47 2031.47 0.204 193.68 2032.47 0.206 194.85 2033.47 0.209 196.00 2034.47 0.211 197.12 2035.47 0.214 198.22 2036.47 0.216 199.29 2037.47 0.219 200.34 2038.47 0.221 201.36 2039.47 0.224 202.36 2040.47 0.226 203.34 2041.47 0.228 204.30 2042.47 0.230 205.24 2043.47 0.233 206.17 2044.47 0.235 207.07 2045.47 0.237 207.96 2046.47 0.239 208.83 2047.47 0.241 209.69 2048.47 0.243 210.54 2049.47 0.245 211.37 2050.47 0.247 212.19 2051.47 0.248 212.99 2052.47 0.250 213.79 2053.47 0.252 214.58 2054.47 0.253 215.35 2055.47 0.254 216.12 2056.47 0.256 216.88 2057.47 0.257 217.64 2058.47 0.258 218.38 2059.47 0.259 219.13 2060.47 0.260 219.86 2061.47 0.260 220.60 2062.47 0.261 221.32 2063.47 0.261 222.05 2064.47 0.261 222.78 2065.47 0.261 223.50 2066.47 0.261 224.23 2067.47 0.261 224.95 2068.47 0.261 225.68 2069.47 0.260 226.41 2070.47 0.259 227.14 2071.47 0.258 227.88 2072.47 0.257 228.63 2073.47 0.255 229.38 2074.47 0.254 230.15 2075.47 0.252 230.92 2076.47 0.250 231.71 2077.47 0.247 232.51 2078.47 0.244 233.33 2079.47 0.241 234.17 2080.47 0.238 235.03 2081.47 0.235 235.91 2082.47 0.231 236.83 2083.47 0.226 237.78 2084.47 0.222 238.76 2085.47 0.217 239.79 2086.47 0.211 240.87 2087.47 0.205 242.02 2088.47 0.199 243.23 2089.47 0.192 244.52 2090.47 0.185 245.91 2091.47 0.178 247.41 2092.47 0.170 249.05 2093.47 0.161 250.87 2094.47 0.152 252.89 2095.47 0.142 255.18 2096.47 0.132 257.80 2097.47 0.122 260.86 2098.47 0.112 264.48 2099.47 0.101 268.88 2100.47 0.090 274.32 2101.47 0.080 281.20 2102.47 0.070 290.03 2103.47 0.062 301.35 2104.47 0.057 315.34 2105.47 0.055 331.25 2106.47 0.057 347.17 2107.47 0.062 1.23 2108.47 0.070 12.62 2109.47 0.079 21.54 2110.47 0.089 28.52 2111.47 0.100 34.07
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:54:54 |