Double Star Calculator - Orbit

Orbital Elements for RBR26AA,AB
WDS: RBR26AA,AB WDS ID/Discoverer
P: 106.500 Orbital period (years)
a: 0.179 Semi-major axis (arcseconds)
i: 106.8 Inclination (degrees)
Ω: 65.5 Longitude of ascending node (degrees)
T: 1980.190 Epoch of periastron passage (year)
e: 0.612 Eccentricity
ω: 77.8 Longitude of periastron (degrees)
Start-Year: 1971.75 Year
End-Year: 2078.25 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for RBR26AA,AB
Position: 034007.24+340659.3 Epoch-2000 right ascension and declination
WDS-ID: 03401+3407 WDS designation
Discoverer Code: RBR26AA,AB Discover designation and components
ADS number: 2668 Aitken Double Star catalog
HD number: 22692 HD catalog number
Hipparcos number: 17129 Hipparcos catalog number
V1: 7.52 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2013 Date of last observation
Orbit grade: 9 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: GnR2015a Reference

Double Star Orbit for RBR26AA,AB



WDS 6th Orbit including measures of RBR26AA,AB

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


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of RBR26AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.122   206.12
--------------------------
1971.75    0.115    71.39
1972.75    0.111    69.45
1973.75    0.105    67.31
1974.75    0.097    64.89
1975.75    0.088    62.00
1976.75    0.076    58.31
1977.75    0.062    53.12
1978.75    0.047    44.62
1979.75    0.030    27.04
1980.75    0.020   343.39
1981.75    0.027   293.21
1982.75    0.043   271.97
1983.75    0.060   262.43
1984.75    0.076   256.98
1985.75    0.090   253.33
1986.75    0.102   250.62
1987.75    0.113   248.47
1988.75    0.122   246.68
1989.75    0.131   245.13
1990.75    0.138   243.76
1991.75    0.144   242.51
1992.75    0.149   241.36
1993.75    0.154   240.28
1994.75    0.158   239.26
1995.75    0.161   238.29
1996.75    0.164   237.35
1997.75    0.166   236.44
1998.75    0.168   235.56
1999.75    0.169   234.68
2000.75    0.170   233.82
2001.75    0.171   232.97
2002.75    0.171   232.12
2003.75    0.171   231.27
2004.75    0.170   230.42
2005.75    0.170   229.57
2006.75    0.169   228.71
2007.75    0.168   227.83
2008.75    0.167   226.95
2009.75    0.165   226.05
2010.75    0.164   225.14
2011.75    0.162   224.20
2012.75    0.160   223.24
2013.75    0.158   222.26
2014.75    0.155   221.25
2015.75    0.153   220.21
2016.75    0.151   219.13
2017.75    0.148   218.02
2018.75    0.145   216.87
2019.75    0.143   215.67
2020.75    0.140   214.43
2021.75    0.137   213.13
2022.75    0.134   211.78
2023.75    0.131   210.37
2024.75    0.128   208.89
2025.75    0.125   207.34
2026.75    0.122   205.71
2027.75    0.119   203.99
2028.75    0.116   202.19
2029.75    0.113   200.28
2030.75    0.110   198.27
2031.75    0.107   196.15
2032.75    0.104   193.92
2033.75    0.101   191.55
2034.75    0.098   189.05
2035.75    0.096   186.42
2036.75    0.093   183.64
2037.75    0.091   180.72
2038.75    0.089   177.65
2039.75    0.087   174.44
2040.75    0.085   171.09
2041.75    0.084   167.61
2042.75    0.082   164.02
2043.75    0.081   160.32
2044.75    0.081   156.55
2045.75    0.080   152.72
2046.75    0.080   148.87
2047.75    0.080   145.01
2048.75    0.081   141.19
2049.75    0.081   137.41
2050.75    0.082   133.71
2051.75    0.084   130.11
2052.75    0.085   126.61
2053.75    0.087   123.25
2054.75    0.088   120.01
2055.75    0.090   116.91
2056.75    0.093   113.95
2057.75    0.095   111.13
2058.75    0.097   108.44
2059.75    0.100   105.88
2060.75    0.102   103.44
2061.75    0.104   101.11
2062.75    0.107    98.89
2063.75    0.109    96.77
2064.75    0.112    94.74
2065.75    0.114    92.79
2066.75    0.116    90.91
2067.75    0.118    89.09
2068.75    0.119    87.33
2069.75    0.121    85.62
2070.75    0.122    83.95
2071.75    0.123    82.30
2072.75    0.123    80.67
2073.75    0.123    79.05
2074.75    0.123    77.42
2075.75    0.122    75.77
2076.75    0.120    74.07
2077.75    0.117    72.31






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 15:13:21



www.stella-vega.de