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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:25:08

Orbital Elements for BU895AB
WDS: BU895AB WDS ID/Discoverer
P: 103.690 Orbital period (years)
a: 0.282 Semi-major axis (arcseconds)
i: 70.1 Inclination (degrees)
Ω: 140.6 Longitude of ascending node (degrees)
T: 2009.300 Epoch of periastron passage (year)
e: 0.05 Eccentricity
ω: 58.0 Longitude of periastron (degrees)
Start-Year: 1974.0 Year
End-Year: 2076.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BU895AB
Position: 061958.96+282536.6 Epoch-2000 right ascension and declination
WDS-ID: 06200+2826 WDS designation
Discoverer Code: BU895AB Discover designation and components
ADS number: 4929 Aitken Double Star catalog
HD number: 43885 HD catalog number
Hipparcos number: 30091 Hipparcos catalog number
V1: 8.16 Magnitude of the primary
V2: 8.35 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1999 Date of last observation
Orbit grade: 2 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for BU895AB



WDS 6th Orbit including measures of BU895AB

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


Ephemeris of BU895AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.151    287.2
-------------------------
1974.0     0.138     98.7
1975.0     0.148    103.3
1976.0     0.159    107.3
1977.0     0.169    110.8
1978.0     0.180    113.8
1979.0     0.190    116.6
1980.0     0.200    119.0
1981.0     0.210    121.3
1982.0     0.219    123.3
1983.0     0.228    125.2
1984.0     0.236    126.9
1985.0     0.244    128.5
1986.0     0.250    130.1
1987.0     0.256    131.5
1988.0     0.262    132.9
1989.0     0.266    134.3
1990.0     0.269    135.6
1991.0     0.272    136.9
1992.0     0.274    138.1
1993.0     0.274    139.4
1994.0     0.274    140.6
1995.0     0.273    141.9
1996.0     0.271    143.2
1997.0     0.267    144.5
1998.0     0.263    145.8
1999.0     0.258    147.2
2000.0     0.252    148.6
2001.0     0.245    150.1
2002.0     0.238    151.7
2003.0     0.229    153.5
2004.0     0.220    155.3
2005.0     0.210    157.4
2006.0     0.199    159.6
2007.0     0.188    162.1
2008.0     0.177    164.9
2009.0     0.165    168.1
2010.0     0.153    171.8
2011.0     0.142    176.1
2012.0     0.130    181.2
2013.0     0.120    187.3
2014.0     0.110    194.4
2015.0     0.102    202.9
2016.0     0.096    212.5
2017.0     0.092    223.2
2018.0     0.092    234.3
2019.0     0.095    245.1
2020.0     0.100    255.0
2021.0     0.108    263.7
2022.0     0.117    271.2
2023.0     0.128    277.5
2024.0     0.139    282.8
2025.0     0.151    287.2
2026.0     0.163    291.1
2027.0     0.175    294.4
2028.0     0.187    297.2
2029.0     0.198    299.8
2030.0     0.209    302.1
2031.0     0.220    304.1
2032.0     0.230    306.0
2033.0     0.239    307.7
2034.0     0.247    309.3
2035.0     0.255    310.7
2036.0     0.263    312.1
2037.0     0.269    313.5
2038.0     0.274    314.7
2039.0     0.279    316.0
2040.0     0.283    317.2
2041.0     0.286    318.3
2042.0     0.288    319.5
2043.0     0.289    320.6
2044.0     0.289    321.7
2045.0     0.289    322.8
2046.0     0.287    324.0
2047.0     0.285    325.1
2048.0     0.282    326.3
2049.0     0.278    327.5
2050.0     0.273    328.7
2051.0     0.268    330.0
2052.0     0.262    331.3
2053.0     0.255    332.7
2054.0     0.247    334.2
2055.0     0.239    335.8
2056.0     0.230    337.5
2057.0     0.221    339.4
2058.0     0.211    341.4
2059.0     0.201    343.6
2060.0     0.191    346.0
2061.0     0.180    348.8
2062.0     0.170    351.8
2063.0     0.159    355.3
2064.0     0.148    359.3
2065.0     0.138      3.9
2066.0     0.128      9.2
2067.0     0.120     15.3
2068.0     0.112     22.3
2069.0     0.106     30.2
2070.0     0.102     38.9
2071.0     0.100     48.1
2072.0     0.101     57.5
2073.0     0.103     66.6
2074.0     0.108     75.0
2075.0     0.115     82.6






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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