Double Star Calculator - Orbit

Orbital Elements for LDS3836

WDS:	LDS3836	WDS ID/Discoverer
P:	123.641	Orbital period (years)
a:	3.1449	Semi-major axis (arcseconds)
i:	38.9225	Inclination (degrees)
Ω:	139.9971	Longitude of ascending node (degrees)
T:	2002.286	Epoch of periastron passage (year)
e:	0.4888	Eccentricity
ω:	351.5415	Longitude of periastron (degrees)
Start-Year:	1963.1794	Year
End-Year:	2086.8206	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for LDS3836
Position:	085815.13+194547.1	Epoch-2000 right ascension and declination
WDS-ID:	08582+1945	WDS designation
Discoverer Code:	LDS3836	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	13.37	Magnitude of the primary
V2:	13.37	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Kpp2020f	Reference

Double Star Orbit for LDS3836

WDS 6th Orbit including measures of LDS3836

-- 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 LDS3836

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    2.797   264.05
--------------------------
1963.18    4.119   335.38
1964.18    4.064   336.54
1965.18    4.005   337.75
1966.18    3.944   338.98
1967.18    3.880   340.26
1968.18    3.814   341.58
1969.18    3.744   342.95
1970.18    3.672   344.37
1971.18    3.597   345.85
1972.18    3.520   347.39
1973.18    3.439   349.01
1974.18    3.356   350.70
1975.18    3.271   352.48
1976.18    3.183   354.36
1977.18    3.092   356.34
1978.18    3.000   358.45
1979.18    2.905     0.69
1980.18    2.809     3.09
1981.18    2.711     5.65
1982.18    2.612     8.42
1983.18    2.511    11.40
1984.18    2.411    14.62
1985.18    2.311    18.13
1986.18    2.211    21.96
1987.18    2.114    26.14
1988.18    2.020    30.72
1989.18    1.930    35.73
1990.18    1.845    41.22
1991.18    1.768    47.22
1992.18    1.700    53.73
1993.18    1.642    60.74
1994.18    1.597    68.20
1995.18    1.564    76.04
1996.18    1.544    84.15
1997.18    1.536    92.41
1998.18    1.538   100.69
1999.18    1.549   108.90
2000.18    1.565   116.96
2001.18    1.582   124.86
2002.18    1.599   132.59
2003.18    1.614   140.16
2004.18    1.625   147.61
2005.18    1.634   154.96
2006.18    1.641   162.25
2007.18    1.649   169.47
2008.18    1.659   176.62
2009.18    1.673   183.67
2010.18    1.692   190.58
2011.18    1.719   197.30
2012.18    1.753   203.79
2013.18    1.795   210.01
2014.18    1.844   215.92
2015.18    1.900   221.50
2016.18    1.962   226.75
2017.18    2.031   231.66
2018.18    2.103   236.23
2019.18    2.180   240.50
2020.18    2.260   244.47
2021.18    2.342   248.16
2022.18    2.426   251.60
2023.18    2.511   254.81
2024.18    2.597   257.81
2025.18    2.683   260.61
2026.18    2.769   263.24
2027.18    2.854   265.71
2028.18    2.939   268.04
2029.18    3.023   270.24
2030.18    3.105   272.32
2031.18    3.186   274.30
2032.18    3.266   276.18
2033.18    3.344   277.97
2034.18    3.420   279.68
2035.18    3.494   281.31
2036.18    3.566   282.88
2037.18    3.637   284.39
2038.18    3.705   285.84
2039.18    3.771   287.24
2040.18    3.835   288.59
2041.18    3.896   289.90
2042.18    3.956   291.16
2043.18    4.013   292.39
2044.18    4.068   293.59
2045.18    4.120   294.76
2046.18    4.171   295.90
2047.18    4.218   297.01
2048.18    4.264   298.09
2049.18    4.307   299.16
2050.18    4.348   300.20
2051.18    4.386   301.23
2052.18    4.422   302.23
2053.18    4.455   303.22
2054.18    4.487   304.20
2055.18    4.515   305.17
2056.18    4.541   306.12
2057.18    4.565   307.06
2058.18    4.586   308.00
2059.18    4.605   308.92
2060.18    4.622   309.84
2061.18    4.636   310.75
2062.18    4.647   311.66
2063.18    4.656   312.56
2064.18    4.662   313.46
2065.18    4.666   314.36
2066.18    4.668   315.26
2067.18    4.667   316.16
2068.18    4.663   317.05
2069.18    4.657   317.95
2070.18    4.648   318.86
2071.18    4.637   319.76
2072.18    4.623   320.67
2073.18    4.607   321.59
2074.18    4.588   322.52
2075.18    4.567   323.45
2076.18    4.542   324.39
2077.18    4.516   325.34
2078.18    4.486   326.31
2079.18    4.454   327.29
2080.18    4.419   328.28
2081.18    4.382   329.29
2082.18    4.342   330.32
2083.18    4.299   331.36
2084.18    4.253   332.43
2085.18    4.205   333.53
2086.18    4.154   334.65

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 16:12:58