Double Star Calculator - Orbit

Orbital Elements for HDS1935

WDS:	HDS1935	WDS ID/Discoverer
P:	200.000	Orbital period (years)
a:	0.9	Semi-major axis (arcseconds)
i:	128.8	Inclination (degrees)
Ω:	157.8	Longitude of ascending node (degrees)
T:	1976.700	Epoch of periastron passage (year)
e:	0.54	Eccentricity
ω:	325.1	Longitude of periastron (degrees)
Start-Year:	1925.0	Year
End-Year:	2125.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1935
Position:	134502.40+020531.6	Epoch-2000 right ascension and declination
WDS-ID:	13450+0206	WDS designation
Discoverer Code:	HDS1935	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	67086	Hipparcos catalog number
V1:	11.27	Magnitude of the primary
V2:	12.48	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2019	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:	Tok2021c	Reference

Double Star Orbit for HDS1935

WDS 6th Orbit including measures of HDS1935

-- 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 HDS1935

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.754    40.14
--------------------------
1925.00    1.142   337.67
1926.00    1.131   337.08
1927.00    1.120   336.47
1928.00    1.109   335.85
1929.00    1.097   335.22
1930.00    1.084   334.57
1931.00    1.071   333.91
1932.00    1.058   333.23
1933.00    1.044   332.54
1934.00    1.030   331.82
1935.00    1.015   331.09
1936.00    0.999   330.33
1937.00    0.983   329.55
1938.00    0.967   328.74
1939.00    0.950   327.90
1940.00    0.933   327.03
1941.00    0.915   326.13
1942.00    0.896   325.19
1943.00    0.877   324.21
1944.00    0.857   323.19
1945.00    0.837   322.12
1946.00    0.816   320.99
1947.00    0.795   319.81
1948.00    0.773   318.56
1949.00    0.750   317.23
1950.00    0.727   315.82
1951.00    0.703   314.32
1952.00    0.679   312.71
1953.00    0.655   310.98
1954.00    0.629   309.11
1955.00    0.604   307.09
1956.00    0.578   304.89
1957.00    0.552   302.48
1958.00    0.525   299.82
1959.00    0.499   296.89
1960.00    0.473   293.63
1961.00    0.447   289.98
1962.00    0.421   285.89
1963.00    0.397   281.28
1964.00    0.373   276.09
1965.00    0.352   270.24
1966.00    0.333   263.68
1967.00    0.318   256.41
1968.00    0.306   248.48
1969.00    0.299   240.04
1970.00    0.296   231.32
1971.00    0.298   222.57
1972.00    0.304   214.07
1973.00    0.315   206.02
1974.00    0.328   198.56
1975.00    0.343   191.71
1976.00    0.359   185.46
1977.00    0.375   179.75
1978.00    0.392   174.53
1979.00    0.407   169.70
1980.00    0.421   165.21
1981.00    0.433   160.99
1982.00    0.444   156.99
1983.00    0.453   153.18
1984.00    0.461   149.50
1985.00    0.467   145.93
1986.00    0.472   142.45
1987.00    0.477   139.04
1988.00    0.480   135.67
1989.00    0.482   132.35
1990.00    0.484   129.06
1991.00    0.486   125.79
1992.00    0.487   122.55
1993.00    0.489   119.32
1994.00    0.490   116.11
1995.00    0.492   112.92
1996.00    0.494   109.75
1997.00    0.496   106.61
1998.00    0.498   103.50
1999.00    0.501   100.42
2000.00    0.505    97.38
2001.00    0.509    94.39
2002.00    0.513    91.44
2003.00    0.518    88.55
2004.00    0.524    85.72
2005.00    0.530    82.96
2006.00    0.537    80.26
2007.00    0.544    77.62
2008.00    0.552    75.06
2009.00    0.560    72.58
2010.00    0.569    70.16
2011.00    0.578    67.83
2012.00    0.588    65.56
2013.00    0.597    63.37
2014.00    0.608    61.25
2015.00    0.618    59.20
2016.00    0.629    57.23
2017.00    0.640    55.32
2018.00    0.651    53.47
2019.00    0.663    51.69
2020.00    0.675    49.97
2021.00    0.687    48.31
2022.00    0.699    46.71
2023.00    0.711    45.16
2024.00    0.723    43.67
2025.00    0.735    42.22
2026.00    0.748    40.82
2027.00    0.760    39.47
2028.00    0.773    38.16
2029.00    0.785    36.90
2030.00    0.798    35.67
2031.00    0.810    34.48
2032.00    0.823    33.32
2033.00    0.835    32.21
2034.00    0.847    31.12
2035.00    0.860    30.06
2036.00    0.872    29.04
2037.00    0.884    28.04
2038.00    0.896    27.07
2039.00    0.908    26.12
2040.00    0.920    25.20
2041.00    0.932    24.31
2042.00    0.943    23.43
2043.00    0.955    22.58
2044.00    0.966    21.74
2045.00    0.977    20.93
2046.00    0.988    20.13
2047.00    0.999    19.35
2048.00    1.010    18.59
2049.00    1.021    17.85
2050.00    1.031    17.12
2051.00    1.042    16.40
2052.00    1.052    15.70
2053.00    1.062    15.01
2054.00    1.072    14.34
2055.00    1.081    13.67
2056.00    1.091    13.02
2057.00    1.100    12.38
2058.00    1.109    11.75
2059.00    1.118    11.13
2060.00    1.127    10.52
2061.00    1.135     9.92
2062.00    1.144     9.33
2063.00    1.152     8.74
2064.00    1.160     8.17
2065.00    1.167     7.60
2066.00    1.175     7.04
2067.00    1.182     6.48
2068.00    1.189     5.94
2069.00    1.196     5.40
2070.00    1.202     4.86
2071.00    1.209     4.33
2072.00    1.215     3.81
2073.00    1.221     3.29
2074.00    1.226     2.78
2075.00    1.232     2.27
2076.00    1.237     1.76
2077.00    1.242     1.26
2078.00    1.247     0.77
2079.00    1.251     0.27
2080.00    1.255   359.78
2081.00    1.259   359.30
2082.00    1.263   358.81
2083.00    1.267   358.33
2084.00    1.270   357.85
2085.00    1.273   357.38
2086.00    1.276   356.91
2087.00    1.278   356.43
2088.00    1.280   355.96
2089.00    1.282   355.50
2090.00    1.284   355.03
2091.00    1.285   354.56
2092.00    1.286   354.10
2093.00    1.287   353.63
2094.00    1.287   353.17
2095.00    1.288   352.70
2096.00    1.288   352.24
2097.00    1.287   351.78
2098.00    1.287   351.31
2099.00    1.286   350.85
2100.00    1.284   350.38
2101.00    1.283   349.92
2102.00    1.281   349.45
2103.00    1.279   348.98
2104.00    1.276   348.51
2105.00    1.273   348.03
2106.00    1.270   347.56
2107.00    1.267   347.08
2108.00    1.263   346.60
2109.00    1.259   346.12
2110.00    1.254   345.63
2111.00    1.249   345.14
2112.00    1.244   344.64
2113.00    1.239   344.14
2114.00    1.233   343.64
2115.00    1.226   343.13
2116.00    1.220   342.62
2117.00    1.213   342.10
2118.00    1.205   341.57
2119.00    1.197   341.04
2120.00    1.189   340.50
2121.00    1.181   339.95
2122.00    1.172   339.40
2123.00    1.162   338.83
2124.00    1.152   338.26

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 16:58:55