Double Star Calculator - Orbit

Orbital Elements for HU1626

WDS:	HU1626	WDS ID/Discoverer
P:	155.900	Orbital period (years)
a:	0.841	Semi-major axis (arcseconds)
i:	149.9	Inclination (degrees)
Ω:	127.0	Longitude of ascending node (degrees)
T:	2049.180	Epoch of periastron passage (year)
e:	0.61	Eccentricity
ω:	160.0	Longitude of periastron (degrees)
Start-Year:	1947.05	Year
End-Year:	2102.95	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1626
Position:	211122.79-522021.3	Epoch-2000 right ascension and declination
WDS-ID:	21114-5220	WDS designation
Discoverer Code:	HU1626	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	201427	HD catalog number
Hipparcos number:	104604	Hipparcos catalog number
V1:	7.27	Magnitude of the primary
V2:	8.82	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2018	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:	Tok2020g	Reference

Double Star Orbit for HU1626

WDS 6th Orbit including measures of HU1626

-- 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 HU1626

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.783    96.17
--------------------------
1947.05    1.197   160.98
1948.05    1.207   160.21
1949.05    1.216   159.44
1950.05    1.225   158.69
1951.05    1.234   157.95
1952.05    1.242   157.22
1953.05    1.250   156.50
1954.05    1.258   155.79
1955.05    1.265   155.09
1956.05    1.272   154.39
1957.05    1.279   153.70
1958.05    1.285   153.02
1959.05    1.291   152.35
1960.05    1.296   151.68
1961.05    1.302   151.01
1962.05    1.306   150.35
1963.05    1.311   149.70
1964.05    1.315   149.05
1965.05    1.319   148.41
1966.05    1.322   147.76
1967.05    1.325   147.12
1968.05    1.328   146.49
1969.05    1.330   145.85
1970.05    1.332   145.22
1971.05    1.334   144.59
1972.05    1.335   143.96
1973.05    1.336   143.34
1974.05    1.336   142.71
1975.05    1.337   142.08
1976.05    1.336   141.45
1977.05    1.336   140.83
1978.05    1.335   140.20
1979.05    1.334   139.57
1980.05    1.332   138.94
1981.05    1.330   138.31
1982.05    1.328   137.67
1983.05    1.325   137.04
1984.05    1.322   136.40
1985.05    1.318   135.75
1986.05    1.314   135.11
1987.05    1.310   134.46
1988.05    1.305   133.80
1989.05    1.300   133.14
1990.05    1.295   132.48
1991.05    1.289   131.81
1992.05    1.282   131.13
1993.05    1.276   130.44
1994.05    1.269   129.75
1995.05    1.261   129.05
1996.05    1.253   128.34
1997.05    1.245   127.63
1998.05    1.236   126.90
1999.05    1.227   126.16
2000.05    1.217   125.41
2001.05    1.207   124.65
2002.05    1.197   123.87
2003.05    1.186   123.09
2004.05    1.174   122.28
2005.05    1.162   121.46
2006.05    1.150   120.62
2007.05    1.137   119.77
2008.05    1.124   118.89
2009.05    1.110   117.99
2010.05    1.096   117.07
2011.05    1.081   116.13
2012.05    1.066   115.16
2013.05    1.050   114.16
2014.05    1.033   113.12
2015.05    1.017   112.06
2016.05    0.999   110.96
2017.05    0.981   109.81
2018.05    0.963   108.63
2019.05    0.944   107.40
2020.05    0.924   106.11
2021.05    0.904   104.77
2022.05    0.883   103.37
2023.05    0.861   101.89
2024.05    0.839   100.35
2025.05    0.817    98.71
2026.05    0.794    96.99
2027.05    0.770    95.15
2028.05    0.745    93.20
2029.05    0.720    91.12
2030.05    0.695    88.88
2031.05    0.669    86.47
2032.05    0.642    83.86
2033.05    0.615    81.03
2034.05    0.588    77.93
2035.05    0.560    74.53
2036.05    0.532    70.78
2037.05    0.505    66.61
2038.05    0.477    61.97
2039.05    0.450    56.76
2040.05    0.425    50.90
2041.05    0.400    44.30
2042.05    0.378    36.89
2043.05    0.358    28.59
2044.05    0.342    19.42
2045.05    0.329     9.45
2046.05    0.321   358.85
2047.05    0.318   347.87
2048.05    0.319   336.80
2049.05    0.322   325.88
2050.05    0.329   315.31
2051.05    0.337   305.20
2052.05    0.347   295.64
2053.05    0.358   286.63
2054.05    0.371   278.20
2055.05    0.384   270.34
2056.05    0.399   263.03
2057.05    0.415   256.27
2058.05    0.432   250.03
2059.05    0.450   244.27
2060.05    0.469   238.96
2061.05    0.488   234.07
2062.05    0.509   229.57
2063.05    0.529   225.40
2064.05    0.550   221.56
2065.05    0.571   217.99
2066.05    0.592   214.68
2067.05    0.614   211.60
2068.05    0.635   208.73
2069.05    0.656   206.04
2070.05    0.677   203.52
2071.05    0.698   201.15
2072.05    0.719   198.92
2073.05    0.739   196.81
2074.05    0.760   194.82
2075.05    0.779   192.93
2076.05    0.799   191.13
2077.05    0.819   189.42
2078.05    0.838   187.79
2079.05    0.856   186.23
2080.05    0.875   184.73
2081.05    0.893   183.30
2082.05    0.910   181.92
2083.05    0.928   180.59
2084.05    0.945   179.32
2085.05    0.961   178.08
2086.05    0.978   176.89
2087.05    0.994   175.74
2088.05    1.009   174.62
2089.05    1.024   173.54
2090.05    1.039   172.49
2091.05    1.053   171.46
2092.05    1.067   170.47
2093.05    1.081   169.50
2094.05    1.095   168.55
2095.05    1.108   167.63
2096.05    1.120   166.73
2097.05    1.132   165.84
2098.05    1.144   164.98
2099.05    1.156   164.13
2100.05    1.167   163.30
2101.05    1.178   162.49
2102.05    1.188   161.69

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 18:23:17