| WDS: | B1870 | WDS ID/Discoverer |
| P: | 111.300 | Orbital period (years) |
| a: | 0.153 | Semi-major axis (arcseconds) |
| i: | 126.9 | Inclination (degrees) |
| Ω: | 110.7 | Longitude of ascending node (degrees) |
| T: | 1999.760 | Epoch of periastron passage (year) |
| e: | 0.487 | Eccentricity |
| ω: | 151.6 | Longitude of periastron (degrees) |
| Start-Year: | 1969.35 | Year |
| End-Year: | 2080.65 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for B1870 |
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| Position: | 175404.21-482030.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17541-4821 | WDS designation |
| Discoverer Code: | B1870 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 162551 | HD catalog number |
| Hipparcos number: | 87635 | Hipparcos catalog number |
| V1: | 9.2 | Magnitude of the primary |
| V2: | 9.4 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Tok2019c | 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 0.118 171.43 -------------------------- 1969.35 0.191 106.09 1970.35 0.188 104.98 1971.35 0.184 103.84 1972.35 0.180 102.64 1973.35 0.176 101.39 1974.35 0.172 100.08 1975.35 0.167 98.70 1976.35 0.162 97.23 1977.35 0.157 95.67 1978.35 0.151 93.99 1979.35 0.146 92.19 1980.35 0.140 90.24 1981.35 0.133 88.10 1982.35 0.127 85.75 1983.35 0.120 83.13 1984.35 0.113 80.20 1985.35 0.106 76.88 1986.35 0.098 73.06 1987.35 0.091 68.64 1988.35 0.084 63.44 1989.35 0.077 57.28 1990.35 0.070 49.92 1991.35 0.064 41.13 1992.35 0.060 30.78 1993.35 0.057 18.96 1994.35 0.055 6.18 1995.35 0.056 353.25 1996.35 0.058 341.01 1997.35 0.062 329.98 1998.35 0.066 320.31 1999.35 0.071 311.85 2000.35 0.075 304.39 2001.35 0.079 297.66 2002.35 0.081 291.47 2003.35 0.083 285.63 2004.35 0.085 280.01 2005.35 0.085 274.50 2006.35 0.085 269.03 2007.35 0.085 263.55 2008.35 0.084 258.00 2009.35 0.084 252.37 2010.35 0.083 246.67 2011.35 0.083 240.91 2012.35 0.083 235.12 2013.35 0.083 229.35 2014.35 0.084 223.63 2015.35 0.085 218.03 2016.35 0.086 212.60 2017.35 0.088 207.36 2018.35 0.090 202.37 2019.35 0.093 197.64 2020.35 0.096 193.18 2021.35 0.099 188.99 2022.35 0.102 185.08 2023.35 0.106 181.42 2024.35 0.110 178.01 2025.35 0.114 174.83 2026.35 0.118 171.86 2027.35 0.122 169.08 2028.35 0.126 166.49 2029.35 0.130 164.06 2030.35 0.134 161.78 2031.35 0.138 159.64 2032.35 0.142 157.61 2033.35 0.146 155.71 2034.35 0.150 153.90 2035.35 0.154 152.18 2036.35 0.158 150.55 2037.35 0.162 149.00 2038.35 0.165 147.52 2039.35 0.169 146.10 2040.35 0.173 144.74 2041.35 0.176 143.43 2042.35 0.179 142.17 2043.35 0.182 140.96 2044.35 0.185 139.78 2045.35 0.188 138.65 2046.35 0.191 137.54 2047.35 0.194 136.47 2048.35 0.196 135.43 2049.35 0.199 134.41 2050.35 0.201 133.42 2051.35 0.203 132.45 2052.35 0.205 131.50 2053.35 0.207 130.56 2054.35 0.209 129.64 2055.35 0.210 128.74 2056.35 0.212 127.85 2057.35 0.213 126.97 2058.35 0.214 126.10 2059.35 0.215 125.23 2060.35 0.216 124.38 2061.35 0.216 123.53 2062.35 0.217 122.68 2063.35 0.217 121.84 2064.35 0.217 121.00 2065.35 0.217 120.15 2066.35 0.217 119.31 2067.35 0.216 118.46 2068.35 0.216 117.61 2069.35 0.215 116.76 2070.35 0.214 115.89 2071.35 0.213 115.02 2072.35 0.211 114.14 2073.35 0.210 113.24 2074.35 0.208 112.33 2075.35 0.206 111.40 2076.35 0.204 110.45 2077.35 0.201 109.48 2078.35 0.198 108.49 2079.35 0.196 107.47 2080.35 0.192 106.41
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:44:24 |