| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:36:10 |
| WDS: | A2880 | WDS ID/Discoverer |
| P: | 109.750 | Orbital period (years) |
| a: | 0.182 | Semi-major axis (arcseconds) |
| i: | 47.7 | Inclination (degrees) |
| Ω: | 91.9 | Longitude of ascending node (degrees) |
| T: | 1991.893 | Epoch of periastron passage (year) |
| e: | 0.601 | Eccentricity |
| ω: | 292.6 | Longitude of periastron (degrees) |
| Start-Year: | 1971.0 | Year |
| End-Year: | 2079.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 075047.36+031638.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 07508+0317 | WDS designation |
| Discoverer Code: | A2880 | Discover designation and components |
| ADS number: | 6405 | Aitken Double Star catalog |
| HD number: | 63799 | HD catalog number |
| Hipparcos number: | 38300 | Hipparcos catalog number |
| V1: | 7.1 | Magnitude of the primary |
| V2: | 7.1 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2022 | Date of last observation |
| Orbit grade: | 2 | 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 0.173 179.6 ------------------------- 1971.0 0.196 255.6 1972.0 0.192 257.1 1973.0 0.188 258.7 1974.0 0.184 260.4 1975.0 0.179 262.2 1976.0 0.173 264.1 1977.0 0.168 266.1 1978.0 0.162 268.3 1979.0 0.155 270.6 1980.0 0.148 273.2 1981.0 0.140 276.0 1982.0 0.131 279.2 1983.0 0.122 282.8 1984.0 0.113 287.0 1985.0 0.102 292.1 1986.0 0.091 298.4 1987.0 0.080 306.4 1988.0 0.069 317.0 1989.0 0.059 331.5 1990.0 0.052 350.8 1991.0 0.050 13.7 1992.0 0.054 35.8 1993.0 0.061 53.8 1994.0 0.070 67.4 1995.0 0.080 77.8 1996.0 0.088 86.1 1997.0 0.096 93.0 1998.0 0.102 99.0 1999.0 0.108 104.3 2000.0 0.113 109.0 2001.0 0.117 113.4 2002.0 0.121 117.5 2003.0 0.125 121.4 2004.0 0.128 125.1 2005.0 0.131 128.6 2006.0 0.133 131.9 2007.0 0.136 135.1 2008.0 0.138 138.2 2009.0 0.141 141.2 2010.0 0.143 144.2 2011.0 0.145 147.0 2012.0 0.147 149.7 2013.0 0.149 152.4 2014.0 0.151 155.0 2015.0 0.153 157.5 2016.0 0.155 160.0 2017.0 0.157 162.4 2018.0 0.159 164.7 2019.0 0.161 167.0 2020.0 0.163 169.2 2021.0 0.165 171.4 2022.0 0.167 173.5 2023.0 0.169 175.6 2024.0 0.171 177.6 2025.0 0.173 179.6 2026.0 0.175 181.5 2027.0 0.177 183.4 2028.0 0.179 185.2 2029.0 0.181 187.0 2030.0 0.183 188.7 2031.0 0.185 190.5 2032.0 0.187 192.1 2033.0 0.189 193.8 2034.0 0.191 195.4 2035.0 0.193 197.0 2036.0 0.195 198.5 2037.0 0.197 200.1 2038.0 0.199 201.6 2039.0 0.201 203.0 2040.0 0.202 204.5 2041.0 0.204 205.9 2042.0 0.206 207.3 2043.0 0.207 208.6 2044.0 0.209 210.0 2045.0 0.210 211.3 2046.0 0.212 212.6 2047.0 0.213 213.9 2048.0 0.215 215.2 2049.0 0.216 216.5 2050.0 0.217 217.7 2051.0 0.218 219.0 2052.0 0.219 220.2 2053.0 0.220 221.4 2054.0 0.221 222.6 2055.0 0.222 223.8 2056.0 0.223 225.0 2057.0 0.223 226.1 2058.0 0.224 227.3 2059.0 0.224 228.5 2060.0 0.224 229.6 2061.0 0.225 230.8 2062.0 0.225 232.0 2063.0 0.225 233.1 2064.0 0.224 234.3 2065.0 0.224 235.4 2066.0 0.224 236.6 2067.0 0.223 237.8 2068.0 0.222 239.0 2069.0 0.221 240.1 2070.0 0.220 241.3 2071.0 0.219 242.5 2072.0 0.218 243.8 2073.0 0.216 245.0 2074.0 0.214 246.3 2075.0 0.212 247.6 2076.0 0.210 248.9 2077.0 0.208 250.2 2078.0 0.205 251.6