| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:01:09 |
| WDS: | B1937 | WDS ID/Discoverer |
| P: | 111.550 | Orbital period (years) |
| a: | 0.213 | Semi-major axis (arcseconds) |
| i: | 180.0 | Inclination (degrees) |
| Ω: | 123.4 | Longitude of ascending node (degrees) |
| T: | 1908.670 | Epoch of periastron passage (year) |
| e: | 0.16 | Eccentricity |
| ω: | 0.0 | Longitude of periastron (degrees) |
| Start-Year: | 1970.0 | Year |
| End-Year: | 2080.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 043014.81-174725.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04302-1747 | WDS designation |
| Discoverer Code: | B1937 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 28637 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.5 | Magnitude of the primary |
| V2: | 9.7 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2018 | 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 0.181 102.0 ------------------------- 1970.0 0.246 290.2 1971.0 0.245 287.8 1972.0 0.245 285.4 1973.0 0.244 283.0 1974.0 0.243 280.6 1975.0 0.243 278.1 1976.0 0.242 275.6 1977.0 0.241 273.2 1978.0 0.240 270.7 1979.0 0.239 268.1 1980.0 0.238 265.6 1981.0 0.236 263.0 1982.0 0.235 260.4 1983.0 0.234 257.8 1984.0 0.232 255.1 1985.0 0.231 252.4 1986.0 0.229 249.7 1987.0 0.228 246.9 1988.0 0.226 244.1 1989.0 0.224 241.3 1990.0 0.223 238.4 1991.0 0.221 235.4 1992.0 0.219 232.4 1993.0 0.217 229.4 1994.0 0.215 226.3 1995.0 0.213 223.2 1996.0 0.211 220.0 1997.0 0.209 216.7 1998.0 0.208 213.4 1999.0 0.206 210.0 2000.0 0.204 206.5 2001.0 0.202 203.0 2002.0 0.200 199.4 2003.0 0.198 195.8 2004.0 0.196 192.0 2005.0 0.194 188.3 2006.0 0.193 184.4 2007.0 0.191 180.5 2008.0 0.189 176.5 2009.0 0.188 172.4 2010.0 0.186 168.3 2011.0 0.185 164.1 2012.0 0.184 159.8 2013.0 0.183 155.5 2014.0 0.182 151.2 2015.0 0.181 146.8 2016.0 0.180 142.4 2017.0 0.180 137.9 2018.0 0.179 133.4 2019.0 0.179 128.9 2020.0 0.179 124.4 2021.0 0.179 119.9 2022.0 0.179 115.4 2023.0 0.180 110.9 2024.0 0.180 106.4 2025.0 0.181 102.0 2026.0 0.181 97.5 2027.0 0.182 93.2 2028.0 0.183 88.9 2029.0 0.185 84.6 2030.0 0.186 80.4 2031.0 0.187 76.2 2032.0 0.189 72.1 2033.0 0.190 68.1 2034.0 0.192 64.1 2035.0 0.194 60.2 2036.0 0.195 56.4 2037.0 0.197 52.7 2038.0 0.199 49.0 2039.0 0.201 45.4 2040.0 0.203 41.8 2041.0 0.205 38.3 2042.0 0.207 34.9 2043.0 0.209 31.6 2044.0 0.211 28.3 2045.0 0.212 25.0 2046.0 0.214 21.9 2047.0 0.216 18.8 2048.0 0.218 15.7 2049.0 0.220 12.7 2050.0 0.222 9.7 2051.0 0.224 6.8 2052.0 0.225 3.9 2053.0 0.227 1.1 2054.0 0.229 358.3 2055.0 0.230 355.6 2056.0 0.232 352.9 2057.0 0.233 350.2 2058.0 0.234 347.5 2059.0 0.236 344.9 2060.0 0.237 342.3 2061.0 0.238 339.8 2062.0 0.239 337.2 2063.0 0.240 334.7 2064.0 0.241 332.2 2065.0 0.242 329.8 2066.0 0.243 327.3 2067.0 0.244 324.9 2068.0 0.245 322.5 2069.0 0.245 320.0 2070.0 0.246 317.6 2071.0 0.246 315.3 2072.0 0.246 312.9 2073.0 0.247 310.5 2074.0 0.247 308.1 2075.0 0.247 305.8 2076.0 0.247 303.4 2077.0 0.247 301.0 2078.0 0.247 298.7 2079.0 0.247 296.3