| WDS: | A2915 | WDS ID/Discoverer |
| P: | 109.990 | Orbital period (years) |
| a: | 0.305 | Semi-major axis (arcseconds) |
| i: | 62.0 | Inclination (degrees) |
| Ω: | 151.8 | Longitude of ascending node (degrees) |
| T: | 2012.350 | Epoch of periastron passage (year) |
| e: | 0.47 | Eccentricity |
| ω: | 94.1 | Longitude of periastron (degrees) |
| Start-Year: | 1970.005 | Year |
| End-Year: | 2079.995 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A2915 |
||
| Position: | 043649.17-173300.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04368-1733 | WDS designation |
| Discoverer Code: | A2915 | Discover designation and components |
| ADS number: | 3341 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 10.1 | Magnitude of the primary |
| V2: | 10.1 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2014 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Tok2015c | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.254 338.90 -------------------------- 1970.01 0.246 101.75 1971.01 0.249 103.81 1972.01 0.253 105.82 1973.01 0.256 107.76 1974.01 0.260 109.66 1975.01 0.263 111.51 1976.01 0.266 113.31 1977.01 0.270 115.06 1978.01 0.273 116.78 1979.01 0.276 118.45 1980.01 0.279 120.09 1981.01 0.281 121.70 1982.01 0.284 123.28 1983.01 0.286 124.84 1984.01 0.288 126.38 1985.01 0.289 127.89 1986.01 0.290 129.40 1987.01 0.291 130.89 1988.01 0.291 132.38 1989.01 0.291 133.86 1990.01 0.290 135.36 1991.01 0.289 136.86 1992.01 0.287 138.37 1993.01 0.285 139.91 1994.01 0.282 141.48 1995.01 0.278 143.09 1996.01 0.273 144.76 1997.01 0.267 146.49 1998.01 0.261 148.30 1999.01 0.253 150.21 2000.01 0.244 152.26 2001.01 0.234 154.47 2002.01 0.222 156.89 2003.01 0.209 159.60 2004.01 0.195 162.68 2005.01 0.180 166.27 2006.01 0.163 170.57 2007.01 0.145 175.91 2008.01 0.127 182.77 2009.01 0.108 191.97 2010.01 0.092 204.65 2011.01 0.080 221.89 2012.01 0.076 242.98 2013.01 0.081 263.96 2014.01 0.093 281.02 2015.01 0.109 293.55 2016.01 0.127 302.67 2017.01 0.145 309.52 2018.01 0.162 314.87 2019.01 0.179 319.21 2020.01 0.193 322.87 2021.01 0.206 326.03 2022.01 0.218 328.83 2023.01 0.228 331.36 2024.01 0.237 333.69 2025.01 0.245 335.87 2026.01 0.251 337.92 2027.01 0.256 339.88 2028.01 0.261 341.77 2029.01 0.264 343.60 2030.01 0.267 345.40 2031.01 0.268 347.16 2032.01 0.270 348.90 2033.01 0.270 350.63 2034.01 0.270 352.36 2035.01 0.270 354.09 2036.01 0.269 355.83 2037.01 0.268 357.58 2038.01 0.266 359.35 2039.01 0.264 1.15 2040.01 0.262 2.97 2041.01 0.259 4.83 2042.01 0.257 6.72 2043.01 0.254 8.65 2044.01 0.251 10.63 2045.01 0.248 12.66 2046.01 0.245 14.73 2047.01 0.242 16.86 2048.01 0.239 19.04 2049.01 0.236 21.28 2050.01 0.233 23.58 2051.01 0.230 25.93 2052.01 0.227 28.35 2053.01 0.224 30.82 2054.01 0.222 33.36 2055.01 0.220 35.94 2056.01 0.218 38.59 2057.01 0.216 41.28 2058.01 0.214 44.01 2059.01 0.213 46.79 2060.01 0.211 49.59 2061.01 0.211 52.43 2062.01 0.210 55.28 2063.01 0.210 58.14 2064.01 0.210 61.00 2065.01 0.210 63.86 2066.01 0.211 66.71 2067.01 0.212 69.53 2068.01 0.213 72.32 2069.01 0.215 75.07 2070.01 0.217 77.79 2071.01 0.219 80.45 2072.01 0.221 83.06 2073.01 0.224 85.61 2074.01 0.226 88.11 2075.01 0.229 90.54 2076.01 0.232 92.91 2077.01 0.235 95.22 2078.01 0.239 97.47 2079.01 0.242 99.65
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 15:27:42 |