| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:44:16 |
| 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: | 1939.0 | Year |
| End-Year: | 2111.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| 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' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.188 185.3 ------------------------- 1939.0 0.106 36.8 1940.0 0.116 40.8 1941.0 0.125 44.3 1942.0 0.134 47.2 1943.0 0.142 49.8 1944.0 0.150 52.1 1945.0 0.157 54.2 1946.0 0.164 56.1 1947.0 0.170 57.9 1948.0 0.175 59.6 1949.0 0.180 61.1 1950.0 0.184 62.6 1951.0 0.187 64.1 1952.0 0.191 65.5 1953.0 0.193 66.8 1954.0 0.195 68.1 1955.0 0.197 69.4 1956.0 0.199 70.7 1957.0 0.200 71.9 1958.0 0.201 73.1 1959.0 0.201 74.4 1960.0 0.202 75.6 1961.0 0.202 76.8 1962.0 0.202 78.0 1963.0 0.201 79.2 1964.0 0.201 80.4 1965.0 0.200 81.7 1966.0 0.199 82.9 1967.0 0.198 84.2 1968.0 0.197 85.4 1969.0 0.196 86.7 1970.0 0.194 88.0 1971.0 0.193 89.3 1972.0 0.191 90.7 1973.0 0.190 92.0 1974.0 0.188 93.4 1975.0 0.186 94.8 1976.0 0.185 96.3 1977.0 0.183 97.7 1978.0 0.181 99.2 1979.0 0.179 100.8 1980.0 0.177 102.3 1981.0 0.176 103.9 1982.0 0.174 105.5 1983.0 0.172 107.2 1984.0 0.170 108.9 1985.0 0.169 110.6 1986.0 0.167 112.3 1987.0 0.166 114.1 1988.0 0.164 116.0 1989.0 0.163 117.8 1990.0 0.161 119.7 1991.0 0.160 121.6 1992.0 0.159 123.5 1993.0 0.158 125.5 1994.0 0.157 127.5 1995.0 0.156 129.5 1996.0 0.156 131.5 1997.0 0.155 133.6 1998.0 0.155 135.7 1999.0 0.154 137.7 2000.0 0.154 139.8 2001.0 0.154 141.9 2002.0 0.154 144.0 2003.0 0.155 146.0 2004.0 0.155 148.1 2005.0 0.155 150.2 2006.0 0.156 152.2 2007.0 0.157 154.2 2008.0 0.158 156.2 2009.0 0.159 158.2 2010.0 0.160 160.2 2011.0 0.161 162.1 2012.0 0.162 164.0 2013.0 0.164 165.8 2014.0 0.165 167.7 2015.0 0.167 169.5 2016.0 0.169 171.2 2017.0 0.171 172.9 2018.0 0.173 174.6 2019.0 0.175 176.3 2020.0 0.177 177.9 2021.0 0.179 179.4 2022.0 0.181 180.9 2023.0 0.183 182.4 2024.0 0.186 183.9 2025.0 0.188 185.3 2026.0 0.190 186.7 2027.0 0.193 188.0 2028.0 0.195 189.4 2029.0 0.198 190.6 2030.0 0.200 191.9 2031.0 0.203 193.1 2032.0 0.205 194.3 2033.0 0.208 195.5 2034.0 0.210 196.6 2035.0 0.213 197.7 2036.0 0.215 198.8 2037.0 0.218 199.8 2038.0 0.220 200.9 2039.0 0.222 201.9 2040.0 0.225 202.9 2041.0 0.227 203.8 2042.0 0.229 204.8 2043.0 0.232 205.7 2044.0 0.234 206.6 2045.0 0.236 207.5 2046.0 0.238 208.4 2047.0 0.240 209.3 2048.0 0.242 210.1 2049.0 0.244 211.0 2050.0 0.246 211.8 2051.0 0.248 212.6 2052.0 0.249 213.4 2053.0 0.251 214.2 2054.0 0.252 215.0 2055.0 0.254 215.8 2056.0 0.255 216.5 2057.0 0.256 217.3 2058.0 0.257 218.0 2059.0 0.258 218.8 2060.0 0.259 219.5 2061.0 0.260 220.2 2062.0 0.261 221.0 2063.0 0.261 221.7 2064.0 0.261 222.4 2065.0 0.261 223.2 2066.0 0.261 223.9 2067.0 0.261 224.6 2068.0 0.261 225.3 2069.0 0.260 226.1 2070.0 0.260 226.8 2071.0 0.259 227.5 2072.0 0.258 228.3 2073.0 0.256 229.0 2074.0 0.255 229.8 2075.0 0.253 230.6 2076.0 0.251 231.3 2077.0 0.248 232.1 2078.0 0.246 232.9 2079.0 0.243 233.8 2080.0 0.240 234.6 2081.0 0.236 235.5 2082.0 0.233 236.4 2083.0 0.228 237.3 2084.0 0.224 238.3 2085.0 0.219 239.3 2086.0 0.214 240.4 2087.0 0.208 241.5 2088.0 0.202 242.6 2089.0 0.196 243.9 2090.0 0.189 245.2 2091.0 0.181 246.7 2092.0 0.173 248.3 2093.0 0.165 250.0 2094.0 0.156 251.9 2095.0 0.147 254.1 2096.0 0.137 256.5 2097.0 0.127 259.3 2098.0 0.117 262.7 2099.0 0.106 266.7 2100.0 0.095 271.6 2101.0 0.085 277.7 2102.0 0.075 285.6 2103.0 0.066 295.6 2104.0 0.059 308.4 2105.0 0.056 323.6 2106.0 0.056 339.7 2107.0 0.059 354.9 2108.0 0.066 7.5 2109.0 0.075 17.6 2110.0 0.085 25.4