| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:23:27 |
| WDS: | A1808 | WDS ID/Discoverer |
| P: | 112.400 | Orbital period (years) |
| a: | 0.121 | Semi-major axis (arcseconds) |
| i: | 17.8 | Inclination (degrees) |
| Ω: | 163.1 | Longitude of ascending node (degrees) |
| T: | 1975.990 | Epoch of periastron passage (year) |
| e: | 0.827 | Eccentricity |
| ω: | 231.9 | Longitude of periastron (degrees) |
| Start-Year: | 1969.0 | Year |
| End-Year: | 2081.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 005136.99+223724.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00516+2237 | WDS designation |
| Discoverer Code: | A1808 | Discover designation and components |
| ADS number: | 701 | Aitken Double Star catalog |
| HD number: | 4934 | HD catalog number |
| Hipparcos number: | 4030 | Hipparcos catalog number |
| V1: | 7.93 | Magnitude of the primary |
| V2: | 8.22 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2004 | 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 0.213 209.7 ------------------------- 1969.0 0.076 266.8 1970.0 0.068 271.6 1971.0 0.061 277.6 1972.0 0.052 285.6 1973.0 0.043 296.7 1974.0 0.034 313.7 1975.0 0.025 342.9 1976.0 0.020 34.2 1977.0 0.024 88.6 1978.0 0.034 119.4 1979.0 0.044 136.1 1980.0 0.054 146.6 1981.0 0.063 154.0 1982.0 0.072 159.5 1983.0 0.080 163.9 1984.0 0.087 167.5 1985.0 0.094 170.6 1986.0 0.101 173.2 1987.0 0.107 175.5 1988.0 0.113 177.6 1989.0 0.119 179.5 1990.0 0.124 181.2 1991.0 0.129 182.7 1992.0 0.134 184.2 1993.0 0.139 185.5 1994.0 0.144 186.8 1995.0 0.148 188.0 1996.0 0.152 189.1 1997.0 0.156 190.1 1998.0 0.160 191.1 1999.0 0.163 192.1 2000.0 0.167 193.0 2001.0 0.170 193.9 2002.0 0.173 194.8 2003.0 0.176 195.6 2004.0 0.179 196.4 2005.0 0.182 197.2 2006.0 0.184 197.9 2007.0 0.187 198.6 2008.0 0.189 199.4 2009.0 0.191 200.0 2010.0 0.194 200.7 2011.0 0.196 201.4 2012.0 0.197 202.0 2013.0 0.199 202.7 2014.0 0.201 203.3 2015.0 0.203 203.9 2016.0 0.204 204.5 2017.0 0.205 205.1 2018.0 0.207 205.7 2019.0 0.208 206.3 2020.0 0.209 206.9 2021.0 0.210 207.4 2022.0 0.211 208.0 2023.0 0.212 208.6 2024.0 0.212 209.1 2025.0 0.213 209.7 2026.0 0.213 210.2 2027.0 0.214 210.8 2028.0 0.214 211.3 2029.0 0.214 211.9 2030.0 0.215 212.4 2031.0 0.215 213.0 2032.0 0.215 213.5 2033.0 0.214 214.1 2034.0 0.214 214.6 2035.0 0.214 215.2 2036.0 0.214 215.7 2037.0 0.213 216.3 2038.0 0.212 216.8 2039.0 0.212 217.4 2040.0 0.211 217.9 2041.0 0.210 218.5 2042.0 0.209 219.1 2043.0 0.208 219.7 2044.0 0.207 220.2 2045.0 0.206 220.8 2046.0 0.205 221.4 2047.0 0.203 222.0 2048.0 0.202 222.6 2049.0 0.200 223.3 2050.0 0.198 223.9 2051.0 0.196 224.5 2052.0 0.195 225.2 2053.0 0.193 225.9 2054.0 0.190 226.5 2055.0 0.188 227.2 2056.0 0.186 228.0 2057.0 0.183 228.7 2058.0 0.181 229.5 2059.0 0.178 230.2 2060.0 0.175 231.0 2061.0 0.172 231.9 2062.0 0.169 232.7 2063.0 0.166 233.6 2064.0 0.163 234.6 2065.0 0.159 235.5 2066.0 0.156 236.5 2067.0 0.152 237.6 2068.0 0.148 238.7 2069.0 0.144 239.9 2070.0 0.140 241.1 2071.0 0.135 242.5 2072.0 0.131 243.9 2073.0 0.126 245.4 2074.0 0.121 247.1 2075.0 0.116 248.9 2076.0 0.110 250.8 2077.0 0.105 253.0 2078.0 0.099 255.4 2079.0 0.092 258.2 2080.0 0.086 261.4