| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:59:18 |
| WDS: | B2546AA,AB | WDS ID/Discoverer |
| P: | 111.500 | Orbital period (years) |
| a: | 0.133 | Semi-major axis (arcseconds) |
| i: | 36.4 | Inclination (degrees) |
| Ω: | 49.8 | Longitude of ascending node (degrees) |
| T: | 2030.100 | Epoch of periastron passage (year) |
| e: | 0.383 | Eccentricity |
| ω: | 58.0 | Longitude of periastron (degrees) |
| Start-Year: | 1970.0 | Year |
| End-Year: | 2080.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 184208.09+344446.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18421+3445 | WDS designation |
| Discoverer Code: | B2546AA,AB | Discover designation and components |
| ADS number: | 11593 | Aitken Double Star catalog |
| HD number: | 173087 | HD catalog number |
| Hipparcos number: | 91707 | Hipparcos catalog number |
| V1: | 6.5 | Magnitude of the primary |
| V2: | 7.5 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1996 | Date of last observation |
| Orbit grade: | 4 | 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 0.086 65.9 ------------------------- 1970.0 0.162 274.8 1971.0 0.162 276.4 1972.0 0.161 278.1 1973.0 0.160 279.7 1974.0 0.159 281.4 1975.0 0.158 283.1 1976.0 0.157 284.8 1977.0 0.156 286.5 1978.0 0.155 288.3 1979.0 0.154 290.0 1980.0 0.153 291.8 1981.0 0.152 293.7 1982.0 0.151 295.5 1983.0 0.149 297.4 1984.0 0.148 299.3 1985.0 0.147 301.3 1986.0 0.146 303.3 1987.0 0.144 305.3 1988.0 0.143 307.3 1989.0 0.142 309.4 1990.0 0.140 311.6 1991.0 0.139 313.8 1992.0 0.138 316.0 1993.0 0.136 318.3 1994.0 0.135 320.6 1995.0 0.134 322.9 1996.0 0.132 325.3 1997.0 0.131 327.8 1998.0 0.130 330.3 1999.0 0.128 332.8 2000.0 0.127 335.4 2001.0 0.126 338.1 2002.0 0.125 340.8 2003.0 0.124 343.5 2004.0 0.122 346.4 2005.0 0.121 349.2 2006.0 0.120 352.1 2007.0 0.119 355.1 2008.0 0.118 358.2 2009.0 0.116 1.3 2010.0 0.115 4.4 2011.0 0.114 7.7 2012.0 0.113 11.0 2013.0 0.111 14.3 2014.0 0.110 17.8 2015.0 0.108 21.4 2016.0 0.107 25.0 2017.0 0.105 28.8 2018.0 0.103 32.7 2019.0 0.101 36.8 2020.0 0.099 41.0 2021.0 0.097 45.4 2022.0 0.094 50.1 2023.0 0.091 55.0 2024.0 0.089 60.3 2025.0 0.086 65.9 2026.0 0.082 71.9 2027.0 0.079 78.4 2028.0 0.076 85.4 2029.0 0.073 93.0 2030.0 0.071 101.1 2031.0 0.069 109.8 2032.0 0.068 118.8 2033.0 0.068 127.9 2034.0 0.069 137.1 2035.0 0.070 145.9 2036.0 0.072 154.3 2037.0 0.075 162.1 2038.0 0.079 169.3 2039.0 0.083 175.8 2040.0 0.087 181.7 2041.0 0.091 187.0 2042.0 0.096 191.9 2043.0 0.100 196.3 2044.0 0.105 200.4 2045.0 0.109 204.1 2046.0 0.113 207.6 2047.0 0.117 210.8 2048.0 0.121 213.7 2049.0 0.125 216.6 2050.0 0.128 219.2 2051.0 0.132 221.7 2052.0 0.135 224.1 2053.0 0.138 226.4 2054.0 0.141 228.6 2055.0 0.143 230.7 2056.0 0.146 232.7 2057.0 0.148 234.7 2058.0 0.150 236.6 2059.0 0.152 238.4 2060.0 0.154 240.2 2061.0 0.156 242.0 2062.0 0.157 243.7 2063.0 0.159 245.4 2064.0 0.160 247.1 2065.0 0.161 248.7 2066.0 0.162 250.4 2067.0 0.163 252.0 2068.0 0.163 253.6 2069.0 0.164 255.2 2070.0 0.164 256.7 2071.0 0.165 258.3 2072.0 0.165 259.9 2073.0 0.165 261.4 2074.0 0.165 263.0 2075.0 0.165 264.6 2076.0 0.165 266.1 2077.0 0.165 267.7 2078.0 0.164 269.3 2079.0 0.164 270.8