Double Star Calculator - Orbit

Orbital Elements for HDS595

WDS:	HDS595	WDS ID/Discoverer
P:	120.000	Orbital period (years)
a:	0.261	Semi-major axis (arcseconds)
i:	64.6	Inclination (degrees)
Ω:	122.2	Longitude of ascending node (degrees)
T:	2028.270	Epoch of periastron passage (year)
e:	0.172	Eccentricity
ω:	110.0	Longitude of periastron (degrees)
Start-Year:	1965.0	Year
End-Year:	2085.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS595
Position:	043425.68-661135.0	Epoch-2000 right ascension and declination
WDS-ID:	04344-6612	WDS designation
Discoverer Code:	HDS595	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	29547	HD catalog number
Hipparcos number:	21305	Hipparcos catalog number
V1:	9.23	Magnitude of the primary
V2:	9.98	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2021	Date of last observation
Orbit grade:	5	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2021c	Reference

Double Star Orbit for HDS595

WDS 6th Orbit including measures of HDS595

-- 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 HDS595

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.102   239.29
--------------------------
1965.00    0.145    60.41
1966.00    0.150    64.40
1967.00    0.155    68.13
1968.00    0.160    71.62
1969.00    0.166    74.87
1970.00    0.172    77.89
1971.00    0.178    80.72
1972.00    0.184    83.35
1973.00    0.191    85.81
1974.00    0.197    88.11
1975.00    0.203    90.27
1976.00    0.209    92.31
1977.00    0.215    94.23
1978.00    0.221    96.04
1979.00    0.227    97.76
1980.00    0.232    99.40
1981.00    0.238   100.97
1982.00    0.242   102.47
1983.00    0.247   103.91
1984.00    0.252   105.29
1985.00    0.256   106.64
1986.00    0.259   107.94
1987.00    0.263   109.21
1988.00    0.266   110.44
1989.00    0.268   111.66
1990.00    0.270   112.85
1991.00    0.272   114.03
1992.00    0.273   115.19
1993.00    0.274   116.35
1994.00    0.274   117.50
1995.00    0.273   118.65
1996.00    0.273   119.81
1997.00    0.271   120.98
1998.00    0.269   122.16
1999.00    0.267   123.36
2000.00    0.264   124.59
2001.00    0.260   125.85
2002.00    0.256   127.15
2003.00    0.251   128.50
2004.00    0.246   129.90
2005.00    0.240   131.36
2006.00    0.233   132.91
2007.00    0.226   134.54
2008.00    0.219   136.29
2009.00    0.211   138.16
2010.00    0.202   140.19
2011.00    0.193   142.40
2012.00    0.184   144.83
2013.00    0.174   147.53
2014.00    0.164   150.55
2015.00    0.154   153.95
2016.00    0.144   157.83
2017.00    0.135   162.27
2018.00    0.125   167.40
2019.00    0.116   173.34
2020.00    0.108   180.20
2021.00    0.102   188.03
2022.00    0.097   196.79
2023.00    0.094   206.28
2024.00    0.094   216.12
2025.00    0.095   225.85
2026.00    0.099   235.02
2027.00    0.105   243.34
2028.00    0.112   250.70
2029.00    0.120   257.10
2030.00    0.129   262.65
2031.00    0.139   267.47
2032.00    0.148   271.66
2033.00    0.158   275.34
2034.00    0.167   278.61
2035.00    0.177   281.52
2036.00    0.185   284.16
2037.00    0.194   286.57
2038.00    0.201   288.78
2039.00    0.209   290.84
2040.00    0.215   292.76
2041.00    0.221   294.58
2042.00    0.226   296.31
2043.00    0.231   297.96
2044.00    0.234   299.56
2045.00    0.237   301.11
2046.00    0.240   302.63
2047.00    0.242   304.12
2048.00    0.243   305.59
2049.00    0.243   307.05
2050.00    0.243   308.52
2051.00    0.242   309.99
2052.00    0.240   311.47
2053.00    0.238   312.98
2054.00    0.236   314.51
2055.00    0.233   316.08
2056.00    0.230   317.70
2057.00    0.226   319.36
2058.00    0.221   321.09
2059.00    0.217   322.89
2060.00    0.212   324.77
2061.00    0.207   326.74
2062.00    0.201   328.82
2063.00    0.196   331.01
2064.00    0.190   333.33
2065.00    0.184   335.81
2066.00    0.178   338.44
2067.00    0.172   341.25
2068.00    0.167   344.26
2069.00    0.161   347.48
2070.00    0.156   350.93
2071.00    0.151   354.62
2072.00    0.146   358.56
2073.00    0.142     2.74
2074.00    0.138     7.17
2075.00    0.135    11.83
2076.00    0.132    16.68
2077.00    0.131    21.69
2078.00    0.130    26.79
2079.00    0.130    31.94
2080.00    0.130    37.06
2081.00    0.132    42.09
2082.00    0.134    46.98
2083.00    0.137    51.69
2084.00    0.141    56.17

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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 15:26:16