| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:04:57 |
| WDS: | A2776AB | WDS ID/Discoverer |
| P: | 97.000 | Orbital period (years) |
| a: | 0.19 | Semi-major axis (arcseconds) |
| i: | 53.6 | Inclination (degrees) |
| Ω: | 192.0 | Longitude of ascending node (degrees) |
| T: | 1998.000 | Epoch of periastron passage (year) |
| e: | 0.942 | Eccentricity |
| ω: | 75.0 | Longitude of periastron (degrees) |
| Start-Year: | 1977.0 | Year |
| End-Year: | 2073.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 112302.64+040817.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11230+0408 | WDS designation |
| Discoverer Code: | A2776AB | Discover designation and components |
| ADS number: | 8145 | Aitken Double Star catalog |
| HD number: | 98914 | HD catalog number |
| Hipparcos number: | 55574 | Hipparcos catalog number |
| V1: | 8.8 | Magnitude of the primary |
| V2: | 8.8 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.215 66.7 ------------------------- 1977.0 0.172 94.8 1978.0 0.168 95.7 1979.0 0.163 96.7 1980.0 0.159 97.7 1981.0 0.154 98.8 1982.0 0.149 99.9 1983.0 0.144 101.2 1984.0 0.139 102.5 1985.0 0.133 104.0 1986.0 0.128 105.5 1987.0 0.122 107.2 1988.0 0.115 109.1 1989.0 0.109 111.3 1990.0 0.102 113.7 1991.0 0.094 116.5 1992.0 0.086 119.7 1993.0 0.078 123.7 1994.0 0.069 128.6 1995.0 0.059 135.2 1996.0 0.048 144.6 1997.0 0.033 161.1 1998.0 0.007 257.7 1999.0 0.040 21.2 2000.0 0.061 31.9 2001.0 0.077 37.5 2002.0 0.090 41.3 2003.0 0.102 44.2 2004.0 0.112 46.6 2005.0 0.121 48.5 2006.0 0.130 50.2 2007.0 0.137 51.7 2008.0 0.144 53.1 2009.0 0.151 54.3 2010.0 0.157 55.4 2011.0 0.163 56.5 2012.0 0.168 57.4 2013.0 0.173 58.3 2014.0 0.178 59.2 2015.0 0.183 60.0 2016.0 0.187 60.8 2017.0 0.191 61.6 2018.0 0.195 62.3 2019.0 0.198 63.0 2020.0 0.201 63.6 2021.0 0.205 64.3 2022.0 0.207 64.9 2023.0 0.210 65.5 2024.0 0.213 66.1 2025.0 0.215 66.7 2026.0 0.217 67.3 2027.0 0.219 67.8 2028.0 0.221 68.4 2029.0 0.223 68.9 2030.0 0.225 69.5 2031.0 0.226 70.0 2032.0 0.227 70.5 2033.0 0.229 71.0 2034.0 0.230 71.5 2035.0 0.231 72.0 2036.0 0.231 72.5 2037.0 0.232 73.0 2038.0 0.232 73.5 2039.0 0.233 74.0 2040.0 0.233 74.5 2041.0 0.233 75.0 2042.0 0.233 75.5 2043.0 0.233 76.0 2044.0 0.233 76.5 2045.0 0.233 77.0 2046.0 0.232 77.5 2047.0 0.232 77.9 2048.0 0.231 78.4 2049.0 0.230 78.9 2050.0 0.229 79.5 2051.0 0.228 80.0 2052.0 0.227 80.5 2053.0 0.226 81.0 2054.0 0.225 81.5 2055.0 0.223 82.1 2056.0 0.222 82.6 2057.0 0.220 83.1 2058.0 0.218 83.7 2059.0 0.216 84.3 2060.0 0.214 84.8 2061.0 0.212 85.4 2062.0 0.210 86.0 2063.0 0.207 86.6 2064.0 0.205 87.3 2065.0 0.202 87.9 2066.0 0.199 88.6 2067.0 0.196 89.3 2068.0 0.193 90.0 2069.0 0.190 90.7 2070.0 0.187 91.4 2071.0 0.183 92.2 2072.0 0.179 93.0