Double Star Calculator - Orbit

Orbital Elements for HU1615
WDS: HU1615 WDS ID/Discoverer
P: 201.700 Orbital period (years)
a: 0.2959 Semi-major axis (arcseconds)
i: 47.2 Inclination (degrees)
Ω: 239.8 Longitude of ascending node (degrees)
T: 1998.293 Epoch of periastron passage (year)
e: 0.7759 Eccentricity
ω: 284.6 Longitude of periastron (degrees)
Start-Year: 1924.15 Year
End-Year: 2125.85 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU1615
Position: 203444.16-631842.0 Epoch-2000 right ascension and declination
WDS-ID: 20347-6319 WDS designation
Discoverer Code: HU1615 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 195429 HD catalog number
Hipparcos number: 101543 Hipparcos catalog number
V1: 8.07 Magnitude of the primary
V2: 8.21 Magnitude of the secondary
Equinox: Equinox
Date: 2024 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: Tok2025b Reference

Double Star Orbit for HU1615



WDS 6th Orbit including measures of HU1615

-- 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 HU1615
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.230   299.49
--------------------------
1924.15    0.372     3.60
1925.15    0.372     4.08
1926.15    0.371     4.57
1927.15    0.370     5.06
1928.15    0.370     5.54
1929.15    0.369     6.04
1930.15    0.368     6.53
1931.15    0.367     7.02
1932.15    0.366     7.52
1933.15    0.365     8.02
1934.15    0.364     8.53
1935.15    0.363     9.03
1936.15    0.362     9.54
1937.15    0.361    10.05
1938.15    0.360    10.57
1939.15    0.359    11.09
1940.15    0.357    11.61
1941.15    0.356    12.14
1942.15    0.354    12.67
1943.15    0.353    13.20
1944.15    0.351    13.74
1945.15    0.350    14.29
1946.15    0.348    14.84
1947.15    0.346    15.40
1948.15    0.344    15.96
1949.15    0.342    16.53
1950.15    0.340    17.10
1951.15    0.338    17.69
1952.15    0.336    18.28
1953.15    0.333    18.88
1954.15    0.331    19.48
1955.15    0.329    20.10
1956.15    0.326    20.72
1957.15    0.323    21.36
1958.15    0.321    22.01
1959.15    0.318    22.66
1960.15    0.315    23.33
1961.15    0.312    24.02
1962.15    0.308    24.71
1963.15    0.305    25.42
1964.15    0.302    26.15
1965.15    0.298    26.90
1966.15    0.295    27.66
1967.15    0.291    28.44
1968.15    0.287    29.24
1969.15    0.283    30.07
1970.15    0.278    30.92
1971.15    0.274    31.80
1972.15    0.270    32.70
1973.15    0.265    33.64
1974.15    0.260    34.62
1975.15    0.255    35.63
1976.15    0.249    36.68
1977.15    0.244    37.79
1978.15    0.238    38.94
1979.15    0.232    40.16
1980.15    0.225    41.44
1981.15    0.219    42.80
1982.15    0.212    44.25
1983.15    0.204    45.79
1984.15    0.197    47.46
1985.15    0.188    49.27
1986.15    0.180    51.25
1987.15    0.171    53.43
1988.15    0.161    55.87
1989.15    0.151    58.63
1990.15    0.140    61.81
1991.15    0.128    65.57
1992.15    0.115    70.13
1993.15    0.101    75.87
1994.15    0.087    83.46
1995.15    0.072    94.14
1996.15    0.058   110.21
1997.15    0.048   134.80
1998.15    0.046   166.32
1999.15    0.054   194.06
2000.15    0.066   213.06
2001.15    0.079   225.88
2002.15    0.091   235.13
2003.15    0.102   242.27
2004.15    0.113   248.07
2005.15    0.122   252.96
2006.15    0.130   257.20
2007.15    0.137   260.95
2008.15    0.144   264.32
2009.15    0.151   267.39
2010.15    0.157   270.21
2011.15    0.163   272.82
2012.15    0.169   275.25
2013.15    0.174   277.54
2014.15    0.179   279.69
2015.15    0.184   281.72
2016.15    0.189   283.65
2017.15    0.193   285.49
2018.15    0.198   287.25
2019.15    0.202   288.92
2020.15    0.206   290.54
2021.15    0.210   292.08
2022.15    0.214   293.57
2023.15    0.218   295.01
2024.15    0.222   296.40
2025.15    0.225   297.74
2026.15    0.229   299.04
2027.15    0.232   300.30
2028.15    0.236   301.52
2029.15    0.239   302.71
2030.15    0.242   303.87
2031.15    0.246   304.99
2032.15    0.249   306.09
2033.15    0.252   307.15
2034.15    0.255   308.19
2035.15    0.258   309.21
2036.15    0.261   310.21
2037.15    0.264   311.18
2038.15    0.267   312.13
2039.15    0.270   313.06
2040.15    0.272   313.97
2041.15    0.275   314.86
2042.15    0.278   315.74
2043.15    0.281   316.60
2044.15    0.283   317.44
2045.15    0.286   318.27
2046.15    0.288   319.08
2047.15    0.291   319.88
2048.15    0.293   320.67
2049.15    0.296   321.44
2050.15    0.298   322.20
2051.15    0.300   322.95
2052.15    0.302   323.69
2053.15    0.305   324.42
2054.15    0.307   325.13
2055.15    0.309   325.84
2056.15    0.311   326.53
2057.15    0.313   327.22
2058.15    0.315   327.90
2059.15    0.317   328.57
2060.15    0.319   329.23
2061.15    0.321   329.88
2062.15    0.323   330.53
2063.15    0.325   331.16
2064.15    0.327   331.79
2065.15    0.329   332.42
2066.15    0.331   333.03
2067.15    0.332   333.64
2068.15    0.334   334.24
2069.15    0.336   334.84
2070.15    0.337   335.43
2071.15    0.339   336.02
2072.15    0.341   336.60
2073.15    0.342   337.17
2074.15    0.344   337.74
2075.15    0.345   338.31
2076.15    0.347   338.87
2077.15    0.348   339.42
2078.15    0.349   339.97
2079.15    0.351   340.52
2080.15    0.352   341.06
2081.15    0.353   341.60
2082.15    0.354   342.14
2083.15    0.356   342.67
2084.15    0.357   343.20
2085.15    0.358   343.72
2086.15    0.359   344.24
2087.15    0.360   344.76
2088.15    0.361   345.28
2089.15    0.362   345.79
2090.15    0.363   346.30
2091.15    0.364   346.80
2092.15    0.365   347.31
2093.15    0.366   347.81
2094.15    0.367   348.31
2095.15    0.367   348.81
2096.15    0.368   349.30
2097.15    0.369   349.80
2098.15    0.369   350.29
2099.15    0.370   350.78
2100.15    0.371   351.27
2101.15    0.371   351.75
2102.15    0.372   352.24
2103.15    0.372   352.72
2104.15    0.373   353.21
2105.15    0.373   353.69
2106.15    0.373   354.17
2107.15    0.374   354.65
2108.15    0.374   355.13
2109.15    0.374   355.61
2110.15    0.374   356.09
2111.15    0.375   356.56
2112.15    0.375   357.04
2113.15    0.375   357.52
2114.15    0.375   357.99
2115.15    0.375   358.47
2116.15    0.375   358.95
2117.15    0.375   359.42
2118.15    0.375   359.90
2119.15    0.374     0.38
2120.15    0.374     0.86
2121.15    0.374     1.34
2122.15    0.374     1.82
2123.15    0.373     2.30
2124.15    0.373     2.78
2125.15    0.372     3.26






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 18:16:49



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