Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:32:29

Orbital Elements for B1299
WDS: B1299 WDS ID/Discoverer
P: 97.100 Orbital period (years)
a: 0.271 Semi-major axis (arcseconds)
i: 137.1 Inclination (degrees)
Ω: 156.2 Longitude of ascending node (degrees)
T: 1975.800 Epoch of periastron passage (year)
e: 0.543 Eccentricity
ω: 186.2 Longitude of periastron (degrees)
Start-Year: 1977.0 Year
End-Year: 2073.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B1299
Position: 153615.44-385046.8 Epoch-2000 right ascension and declination
WDS-ID: 15363-3851 WDS designation
Discoverer Code: B1299 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 138875 HD catalog number
Hipparcos number: 76405 Hipparcos catalog number
V1: 9.97 Magnitude of the primary
V2: 8.96 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for B1299



WDS 6th Orbit including measures of B1299

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of B1299
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.417    151.0
-------------------------
1977.0     0.121    318.2
1978.0     0.119    306.6
1979.0     0.117    294.5
1980.0     0.117    282.2
1981.0     0.119    270.2
1982.0     0.124    258.8
1983.0     0.130    248.4
1984.0     0.139    239.1
1985.0     0.149    231.0
1986.0     0.161    224.1
1987.0     0.172    218.0
1988.0     0.185    212.7
1989.0     0.197    208.1
1990.0     0.210    204.1
1991.0     0.222    200.5
1992.0     0.234    197.3
1993.0     0.246    194.3
1994.0     0.257    191.7
1995.0     0.268    189.3
1996.0     0.279    187.0
1997.0     0.289    185.0
1998.0     0.299    183.0
1999.0     0.309    181.2
2000.0     0.318    179.5
2001.0     0.327    177.9
2002.0     0.335    176.4
2003.0     0.343    174.9
2004.0     0.350    173.5
2005.0     0.357    172.2
2006.0     0.364    170.9
2007.0     0.370    169.6
2008.0     0.376    168.4
2009.0     0.381    167.2
2010.0     0.386    166.1
2011.0     0.391    165.0
2012.0     0.395    163.9
2013.0     0.399    162.9
2014.0     0.403    161.8
2015.0     0.406    160.8
2016.0     0.408    159.8
2017.0     0.411    158.8
2018.0     0.413    157.8
2019.0     0.414    156.8
2020.0     0.416    155.8
2021.0     0.417    154.9
2022.0     0.417    153.9
2023.0     0.417    152.9
2024.0     0.417    152.0
2025.0     0.417    151.0
2026.0     0.416    150.1
2027.0     0.415    149.1
2028.0     0.413    148.1
2029.0     0.411    147.1
2030.0     0.409    146.1
2031.0     0.406    145.1
2032.0     0.403    144.1
2033.0     0.400    143.0
2034.0     0.396    142.0
2035.0     0.392    140.9
2036.0     0.387    139.8
2037.0     0.383    138.7
2038.0     0.377    137.5
2039.0     0.372    136.3
2040.0     0.366    135.1
2041.0     0.360    133.8
2042.0     0.353    132.5
2043.0     0.346    131.1
2044.0     0.339    129.7
2045.0     0.331    128.2
2046.0     0.323    126.7
2047.0     0.315    125.0
2048.0     0.306    123.3
2049.0     0.297    121.4
2050.0     0.288    119.5
2051.0     0.278    117.4
2052.0     0.268    115.2
2053.0     0.258    112.7
2054.0     0.248    110.1
2055.0     0.237    107.3
2056.0     0.226    104.2
2057.0     0.215    100.7
2058.0     0.204     96.9
2059.0     0.193     92.7
2060.0     0.183     87.9
2061.0     0.172     82.6
2062.0     0.162     76.6
2063.0     0.153     69.8
2064.0     0.145     62.2
2065.0     0.138     53.8
2066.0     0.132     44.6
2067.0     0.128     34.7
2068.0     0.126     24.3
2069.0     0.125     13.6
2070.0     0.125      2.9
2071.0     0.125    352.2
2072.0     0.125    341.4






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0.


Acknowledgements
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.


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