| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:03:47 |
| WDS: | SEE128 | WDS ID/Discoverer |
| P: | 95.000 | Orbital period (years) |
| a: | 0.1353 | Semi-major axis (arcseconds) |
| i: | 46.4 | Inclination (degrees) |
| Ω: | 165.1 | Longitude of ascending node (degrees) |
| T: | 1988.400 | Epoch of periastron passage (year) |
| e: | 0.52 | Eccentricity |
| ω: | 72.9 | Longitude of periastron (degrees) |
| Start-Year: | 1978.0 | Year |
| End-Year: | 2072.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 111508.57-392837.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11151-3929 | WDS designation |
| Discoverer Code: | SEE128 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 97881 | HD catalog number |
| Hipparcos number: | 54949 | Hipparcos catalog number |
| V1: | 7.8 | Magnitude of the primary |
| V2: | 7.9 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2018 | 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 0.157 32.1 ------------------------- 1978.0 0.102 146.3 1979.0 0.099 150.4 1980.0 0.095 154.8 1981.0 0.091 159.5 1982.0 0.086 164.7 1983.0 0.080 170.6 1984.0 0.074 177.4 1985.0 0.068 185.5 1986.0 0.061 195.5 1987.0 0.054 208.1 1988.0 0.048 223.8 1989.0 0.046 242.6 1990.0 0.046 262.3 1991.0 0.050 280.2 1992.0 0.057 294.7 1993.0 0.064 305.9 1994.0 0.072 314.7 1995.0 0.080 321.7 1996.0 0.088 327.5 1997.0 0.095 332.4 1998.0 0.102 336.6 1999.0 0.108 340.3 2000.0 0.114 343.6 2001.0 0.119 346.6 2002.0 0.124 349.4 2003.0 0.128 351.9 2004.0 0.132 354.4 2005.0 0.136 356.6 2006.0 0.139 358.8 2007.0 0.142 0.9 2008.0 0.144 2.9 2009.0 0.146 4.8 2010.0 0.149 6.7 2011.0 0.150 8.5 2012.0 0.152 10.3 2013.0 0.153 12.1 2014.0 0.154 13.8 2015.0 0.155 15.5 2016.0 0.156 17.2 2017.0 0.157 18.9 2018.0 0.157 20.5 2019.0 0.157 22.2 2020.0 0.158 23.8 2021.0 0.158 25.5 2022.0 0.158 27.1 2023.0 0.157 28.8 2024.0 0.157 30.4 2025.0 0.157 32.1 2026.0 0.156 33.7 2027.0 0.156 35.4 2028.0 0.155 37.1 2029.0 0.155 38.8 2030.0 0.154 40.5 2031.0 0.153 42.3 2032.0 0.152 44.0 2033.0 0.151 45.8 2034.0 0.150 47.6 2035.0 0.149 49.4 2036.0 0.148 51.2 2037.0 0.147 53.1 2038.0 0.146 55.0 2039.0 0.145 56.9 2040.0 0.144 58.9 2041.0 0.143 60.9 2042.0 0.142 62.9 2043.0 0.141 64.9 2044.0 0.140 67.0 2045.0 0.138 69.1 2046.0 0.137 71.3 2047.0 0.136 73.5 2048.0 0.135 75.7 2049.0 0.134 78.0 2050.0 0.133 80.3 2051.0 0.132 82.6 2052.0 0.131 85.0 2053.0 0.130 87.4 2054.0 0.129 89.8 2055.0 0.128 92.3 2056.0 0.127 94.8 2057.0 0.126 97.4 2058.0 0.125 100.0 2059.0 0.124 102.7 2060.0 0.123 105.3 2061.0 0.122 108.1 2062.0 0.121 110.9 2063.0 0.120 113.7 2064.0 0.118 116.6 2065.0 0.117 119.5 2066.0 0.116 122.5 2067.0 0.114 125.6 2068.0 0.113 128.8 2069.0 0.111 132.0 2070.0 0.109 135.4 2071.0 0.107 138.9