Double Star Calculator - Orbit

Orbital Elements for HU951

WDS:	HU951	WDS ID/Discoverer
P:	153.740	Orbital period (years)
a:	0.204	Semi-major axis (arcseconds)
i:	32.3	Inclination (degrees)
Ω:	126.2	Longitude of ascending node (degrees)
T:	1967.840	Epoch of periastron passage (year)
e:	0.225	Eccentricity
ω:	316.3	Longitude of periastron (degrees)
Start-Year:	1948.13	Year
End-Year:	2101.87	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU951
Position:	193047.57+633704.3	Epoch-2000 right ascension and declination
WDS-ID:	19308+6337	WDS designation
Discoverer Code:	HU951	Discover designation and components
ADS number:	12577	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	95955	Hipparcos catalog number
V1:	10.05	Magnitude of the primary
V2:	10.36	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2008	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Hrt2014b	Reference

Double Star Orbit for HU951

WDS 6th Orbit including measures of HU951

-- 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 HU951

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.208   237.19
--------------------------
1948.13    0.156    10.33
1949.13    0.153    13.70
1950.13    0.151    17.18
1951.13    0.148    20.77
1952.13    0.146    24.47
1953.13    0.145    28.26
1954.13    0.143    32.14
1955.13    0.142    36.10
1956.13    0.141    40.13
1957.13    0.140    44.21
1958.13    0.139    48.33
1959.13    0.139    52.47
1960.13    0.139    56.61
1961.13    0.139    60.75
1962.13    0.140    64.86
1963.13    0.141    68.93
1964.13    0.142    72.95
1965.13    0.143    76.91
1966.13    0.144    80.80
1967.13    0.146    84.61
1968.13    0.147    88.35
1969.13    0.149    92.00
1970.13    0.151    95.57
1971.13    0.153    99.06
1972.13    0.154   102.46
1973.13    0.156   105.80
1974.13    0.158   109.05
1975.13    0.160   112.24
1976.13    0.161   115.36
1977.13    0.163   118.42
1978.13    0.164   121.42
1979.13    0.166   124.36
1980.13    0.167   127.26
1981.13    0.168   130.12
1982.13    0.169   132.93
1983.13    0.171   135.71
1984.13    0.172   138.45
1985.13    0.172   141.16
1986.13    0.173   143.85
1987.13    0.174   146.51
1988.13    0.175   149.14
1989.13    0.175   151.76
1990.13    0.176   154.36
1991.13    0.177   156.94
1992.13    0.177   159.51
1993.13    0.178   162.06
1994.13    0.178   164.60
1995.13    0.179   167.12
1996.13    0.179   169.63
1997.13    0.179   172.13
1998.13    0.180   174.62
1999.13    0.180   177.09
2000.13    0.181   179.55
2001.13    0.181   182.00
2002.13    0.182   184.43
2003.13    0.183   186.85
2004.13    0.183   189.25
2005.13    0.184   191.63
2006.13    0.184   194.00
2007.13    0.185   196.35
2008.13    0.186   198.68
2009.13    0.187   200.99
2010.13    0.188   203.28
2011.13    0.189   205.54
2012.13    0.190   207.79
2013.13    0.191   210.01
2014.13    0.192   212.20
2015.13    0.193   214.37
2016.13    0.194   216.52
2017.13    0.195   218.64
2018.13    0.196   220.73
2019.13    0.198   222.80
2020.13    0.199   224.84
2021.13    0.200   226.85
2022.13    0.202   228.83
2023.13    0.203   230.79
2024.13    0.205   232.72
2025.13    0.206   234.63
2026.13    0.207   236.51
2027.13    0.209   238.36
2028.13    0.210   240.18
2029.13    0.212   241.99
2030.13    0.213   243.76
2031.13    0.215   245.51
2032.13    0.216   247.24
2033.13    0.218   248.95
2034.13    0.219   250.63
2035.13    0.220   252.29
2036.13    0.222   253.93
2037.13    0.223   255.56
2038.13    0.225   257.16
2039.13    0.226   258.74
2040.13    0.227   260.31
2041.13    0.228   261.85
2042.13    0.229   263.39
2043.13    0.231   264.90
2044.13    0.232   266.41
2045.13    0.233   267.89
2046.13    0.234   269.37
2047.13    0.235   270.84
2048.13    0.235   272.29
2049.13    0.236   273.73
2050.13    0.237   275.17
2051.13    0.238   276.59
2052.13    0.238   278.01
2053.13    0.239   279.42
2054.13    0.239   280.83
2055.13    0.239   282.23
2056.13    0.240   283.63
2057.13    0.240   285.03
2058.13    0.240   286.43
2059.13    0.240   287.82
2060.13    0.240   289.21
2061.13    0.240   290.61
2062.13    0.239   292.01
2063.13    0.239   293.41
2064.13    0.239   294.82
2065.13    0.238   296.24
2066.13    0.237   297.66
2067.13    0.237   299.09
2068.13    0.236   300.53
2069.13    0.235   301.98
2070.13    0.234   303.44
2071.13    0.232   304.92
2072.13    0.231   306.41
2073.13    0.230   307.93
2074.13    0.228   309.46
2075.13    0.227   311.01
2076.13    0.225   312.58
2077.13    0.223   314.18
2078.13    0.221   315.81
2079.13    0.219   317.47
2080.13    0.217   319.16
2081.13    0.215   320.88
2082.13    0.212   322.64
2083.13    0.210   324.44
2084.13    0.207   326.28
2085.13    0.205   328.17
2086.13    0.202   330.11
2087.13    0.199   332.10
2088.13    0.197   334.15
2089.13    0.194   336.26
2090.13    0.191   338.43
2091.13    0.188   340.67
2092.13    0.185   342.99
2093.13    0.182   345.39
2094.13    0.178   347.86
2095.13    0.175   350.43
2096.13    0.172   353.09
2097.13    0.169   355.84
2098.13    0.166   358.70
2099.13    0.163     1.66
2100.13    0.160     4.72
2101.13    0.158     7.90

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 18:05:00