Double Star Calculator - Orbit

Orbital Elements for HDS1965

WDS:	HDS1965	WDS ID/Discoverer
P:	150.000	Orbital period (years)
a:	0.226	Semi-major axis (arcseconds)
i:	96.9	Inclination (degrees)
Ω:	159.1	Longitude of ascending node (degrees)
T:	2083.240	Epoch of periastron passage (year)
e:	0.244	Eccentricity
ω:	52.9	Longitude of periastron (degrees)
Start-Year:	1950.0	Year
End-Year:	2100.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1965
Position:	140003.09+041623.8	Epoch-2000 right ascension and declination
WDS-ID:	14001+0416	WDS designation
Discoverer Code:	HDS1965	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	122169	HD catalog number
Hipparcos number:	68392	Hipparcos catalog number
V1:	9.29	Magnitude of the primary
V2:	9.49	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2023a	Reference

Double Star Orbit for HDS1965

WDS 6th Orbit including measures of HDS1965

-- 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 HDS1965

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.053   301.73
--------------------------
1950.00    0.086   352.97
1951.00    0.096   351.26
1952.00    0.106   349.86
1953.00    0.116   348.71
1954.00    0.126   347.73
1955.00    0.135   346.89
1956.00    0.144   346.16
1957.00    0.152   345.50
1958.00    0.161   344.92
1959.00    0.169   344.39
1960.00    0.176   343.91
1961.00    0.183   343.47
1962.00    0.190   343.06
1963.00    0.197   342.68
1964.00    0.203   342.32
1965.00    0.209   341.99
1966.00    0.214   341.67
1967.00    0.219   341.37
1968.00    0.224   341.07
1969.00    0.228   340.80
1970.00    0.233   340.53
1971.00    0.236   340.27
1972.00    0.240   340.01
1973.00    0.243   339.77
1974.00    0.245   339.53
1975.00    0.248   339.29
1976.00    0.250   339.06
1977.00    0.251   338.83
1978.00    0.253   338.61
1979.00    0.254   338.39
1980.00    0.254   338.17
1981.00    0.255   337.95
1982.00    0.255   337.73
1983.00    0.255   337.51
1984.00    0.254   337.29
1985.00    0.254   337.06
1986.00    0.253   336.84
1987.00    0.252   336.62
1988.00    0.250   336.39
1989.00    0.248   336.16
1990.00    0.246   335.93
1991.00    0.244   335.69
1992.00    0.242   335.45
1993.00    0.239   335.20
1994.00    0.236   334.95
1995.00    0.233   334.69
1996.00    0.229   334.42
1997.00    0.226   334.14
1998.00    0.222   333.86
1999.00    0.218   333.56
2000.00    0.213   333.25
2001.00    0.209   332.93
2002.00    0.204   332.60
2003.00    0.200   332.25
2004.00    0.195   331.88
2005.00    0.189   331.49
2006.00    0.184   331.08
2007.00    0.179   330.65
2008.00    0.173   330.19
2009.00    0.167   329.70
2010.00    0.161   329.17
2011.00    0.155   328.60
2012.00    0.149   327.98
2013.00    0.143   327.31
2014.00    0.137   326.58
2015.00    0.130   325.78
2016.00    0.123   324.89
2017.00    0.117   323.90
2018.00    0.110   322.79
2019.00    0.103   321.53
2020.00    0.096   320.10
2021.00    0.090   318.44
2022.00    0.083   316.51
2023.00    0.076   314.24
2024.00    0.069   311.52
2025.00    0.063   308.21
2026.00    0.056   304.13
2027.00    0.050   299.02
2028.00    0.044   292.54
2029.00    0.039   284.28
2030.00    0.035   273.89
2031.00    0.033   261.34
2032.00    0.032   247.38
2033.00    0.033   233.47
2034.00    0.035   221.04
2035.00    0.040   210.78
2036.00    0.045   202.64
2037.00    0.050   196.25
2038.00    0.056   191.21
2039.00    0.063   187.18
2040.00    0.069   183.90
2041.00    0.076   181.20
2042.00    0.083   178.93
2043.00    0.090   177.01
2044.00    0.096   175.35
2045.00    0.103   173.91
2046.00    0.109   172.64
2047.00    0.116   171.52
2048.00    0.122   170.51
2049.00    0.128   169.60
2050.00    0.134   168.77
2051.00    0.140   168.01
2052.00    0.145   167.31
2053.00    0.151   166.66
2054.00    0.156   166.05
2055.00    0.161   165.48
2056.00    0.165   164.94
2057.00    0.169   164.43
2058.00    0.173   163.94
2059.00    0.176   163.47
2060.00    0.179   163.02
2061.00    0.182   162.58
2062.00    0.184   162.16
2063.00    0.186   161.74
2064.00    0.187   161.33
2065.00    0.188   160.93
2066.00    0.188   160.52
2067.00    0.188   160.12
2068.00    0.187   159.72
2069.00    0.186   159.31
2070.00    0.184   158.89
2071.00    0.182   158.47
2072.00    0.179   158.03
2073.00    0.175   157.57
2074.00    0.171   157.09
2075.00    0.166   156.59
2076.00    0.160   156.05
2077.00    0.154   155.47
2078.00    0.148   154.85
2079.00    0.140   154.16
2080.00    0.133   153.39
2081.00    0.124   152.53
2082.00    0.116   151.54
2083.00    0.107   150.38
2084.00    0.097   149.00
2085.00    0.087   147.32
2086.00    0.077   145.20
2087.00    0.067   142.43
2088.00    0.057   138.65
2089.00    0.046   133.20
2090.00    0.037   124.76
2091.00    0.028   110.75
2092.00    0.022    87.43
2093.00    0.022    56.95
2094.00    0.027    32.05
2095.00    0.035    16.86
2096.00    0.045     7.79
2097.00    0.055     2.00
2098.00    0.065   358.03
2099.00    0.076   355.15

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 17:00:47