Double Star Calculator - Orbit

Orbital Elements for A469

WDS:	A469	WDS ID/Discoverer
P:	126.500	Orbital period (years)
a:	0.274	Semi-major axis (arcseconds)
i:	61.7	Inclination (degrees)
Ω:	61.8	Longitude of ascending node (degrees)
T:	1969.900	Epoch of periastron passage (year)
e:	0.869	Eccentricity
ω:	95.4	Longitude of periastron (degrees)
Start-Year:	1961.75	Year
End-Year:	2088.25	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A469
Position:	040920.48-075544.5	Epoch-2000 right ascension and declination
WDS-ID:	04093-0756	WDS designation
Discoverer Code:	A469	Discover designation and components
ADS number:	3032	Aitken Double Star catalog
HD number:	26294	HD catalog number
Hipparcos number:	19399	Hipparcos catalog number
V1:	7.85	Magnitude of the primary
V2:	8.22	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Doc2019a	Reference

Double Star Orbit for A469

WDS 6th Orbit including measures of A469

-- 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 A469

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.242   337.49
--------------------------
1961.75    0.154    37.83
1962.75    0.145    40.08
1963.75    0.136    42.62
1964.75    0.125    45.58
1965.75    0.112    49.17
1966.75    0.096    53.81
1967.75    0.076    60.58
1968.75    0.049    73.63
1969.75    0.018   137.64
1970.75    0.043   228.71
1971.75    0.069   245.30
1972.75    0.086   253.63
1973.75    0.100   259.41
1974.75    0.110   263.96
1975.75    0.119   267.77
1976.75    0.127   271.08
1977.75    0.133   274.05
1978.75    0.139   276.75
1979.75    0.145   279.24
1980.75    0.150   281.55
1981.75    0.154   283.72
1982.75    0.158   285.78
1983.75    0.162   287.73
1984.75    0.166   289.58
1985.75    0.170   291.36
1986.75    0.173   293.07
1987.75    0.176   294.72
1988.75    0.179   296.31
1989.75    0.182   297.85
1990.75    0.185   299.34
1991.75    0.187   300.78
1992.75    0.190   302.19
1993.75    0.192   303.56
1994.75    0.195   304.90
1995.75    0.197   306.20
1996.75    0.199   307.48
1997.75    0.202   308.73
1998.75    0.204   309.95
1999.75    0.206   311.14
2000.75    0.208   312.32
2001.75    0.209   313.47
2002.75    0.211   314.60
2003.75    0.213   315.72
2004.75    0.215   316.81
2005.75    0.217   317.89
2006.75    0.218   318.95
2007.75    0.220   320.00
2008.75    0.221   321.03
2009.75    0.223   322.04
2010.75    0.224   323.05
2011.75    0.226   324.04
2012.75    0.227   325.01
2013.75    0.228   325.98
2014.75    0.230   326.94
2015.75    0.231   327.88
2016.75    0.232   328.82
2017.75    0.233   329.74
2018.75    0.234   330.66
2019.75    0.236   331.56
2020.75    0.237   332.46
2021.75    0.238   333.36
2022.75    0.239   334.24
2023.75    0.240   335.12
2024.75    0.240   335.99
2025.75    0.241   336.85
2026.75    0.242   337.71
2027.75    0.243   338.56
2028.75    0.244   339.41
2029.75    0.244   340.25
2030.75    0.245   341.08
2031.75    0.246   341.92
2032.75    0.246   342.75
2033.75    0.247   343.57
2034.75    0.247   344.39
2035.75    0.248   345.21
2036.75    0.248   346.03
2037.75    0.249   346.84
2038.75    0.249   347.65
2039.75    0.249   348.46
2040.75    0.249   349.26
2041.75    0.250   350.07
2042.75    0.250   350.87
2043.75    0.250   351.68
2044.75    0.250   352.48
2045.75    0.250   353.29
2046.75    0.250   354.09
2047.75    0.250   354.89
2048.75    0.249   355.70
2049.75    0.249   356.51
2050.75    0.249   357.31
2051.75    0.248   358.12
2052.75    0.248   358.94
2053.75    0.248   359.75
2054.75    0.247     0.57
2055.75    0.246     1.40
2056.75    0.246     2.23
2057.75    0.245     3.06
2058.75    0.244     3.90
2059.75    0.243     4.74
2060.75    0.242     5.59
2061.75    0.241     6.45
2062.75    0.240     7.32
2063.75    0.239     8.19
2064.75    0.237     9.08
2065.75    0.236     9.97
2066.75    0.234    10.88
2067.75    0.233    11.80
2068.75    0.231    12.74
2069.75    0.229    13.68
2070.75    0.227    14.65
2071.75    0.225    15.63
2072.75    0.222    16.64
2073.75    0.220    17.67
2074.75    0.217    18.72
2075.75    0.214    19.79
2076.75    0.211    20.90
2077.75    0.208    22.04
2078.75    0.204    23.22
2079.75    0.201    24.45
2080.75    0.197    25.72
2081.75    0.192    27.04
2082.75    0.188    28.43
2083.75    0.183    29.89
2084.75    0.177    31.44
2085.75    0.171    33.09
2086.75    0.165    34.87
2087.75    0.158    36.80

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 15:18:19