Double Star Calculator - Orbit

Orbital Elements for I1546

WDS:	I1546	WDS ID/Discoverer
P:	149.600	Orbital period (years)
a:	0.2017	Semi-major axis (arcseconds)
i:	121.3	Inclination (degrees)
Ω:	272.9	Longitude of ascending node (degrees)
T:	2000.600	Epoch of periastron passage (year)
e:	0.137	Eccentricity
ω:	286.0	Longitude of periastron (degrees)
Start-Year:	1950.2	Year
End-Year:	2099.8	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I1546
Position:	114304.11-360119.6	Epoch-2000 right ascension and declination
WDS-ID:	11431-3601	WDS designation
Discoverer Code:	I1546	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	101934	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	9.7	Magnitude of the primary
V2:	9.8	Magnitude of the secondary
Equinox:		Equinox
Date:		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:	Msn2023	Reference

Double Star Orbit for I1546

WDS 6th Orbit including measures of I1546

-- 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 I1546

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.192   271.21
--------------------------
1950.20    0.201   108.04
1951.20    0.202   106.80
1952.20    0.204   105.58
1953.20    0.205   104.37
1954.20    0.206   103.18
1955.20    0.207   102.00
1956.20    0.208   100.83
1957.20    0.208    99.67
1958.20    0.208    98.50
1959.20    0.208    97.34
1960.20    0.208    96.18
1961.20    0.207    95.01
1962.20    0.206    93.83
1963.20    0.205    92.64
1964.20    0.204    91.44
1965.20    0.203    90.22
1966.20    0.201    88.99
1967.20    0.199    87.72
1968.20    0.196    86.43
1969.20    0.194    85.11
1970.20    0.191    83.75
1971.20    0.188    82.34
1972.20    0.184    80.89
1973.20    0.181    79.38
1974.20    0.177    77.81
1975.20    0.173    76.16
1976.20    0.169    74.44
1977.20    0.164    72.63
1978.20    0.160    70.71
1979.20    0.155    68.68
1980.20    0.150    66.52
1981.20    0.145    64.21
1982.20    0.140    61.73
1983.20    0.135    59.07
1984.20    0.130    56.20
1985.20    0.125    53.09
1986.20    0.120    49.73
1987.20    0.115    46.07
1988.20    0.110    42.10
1989.20    0.106    37.80
1990.20    0.102    33.14
1991.20    0.099    28.14
1992.20    0.096    22.80
1993.20    0.093    17.17
1994.20    0.092    11.29
1995.20    0.091     5.25
1996.20    0.091   359.15
1997.20    0.092   353.09
1998.20    0.093   347.17
1999.20    0.095   341.48
2000.20    0.098   336.07
2001.20    0.101   331.00
2002.20    0.105   326.27
2003.20    0.109   321.89
2004.20    0.114   317.84
2005.20    0.119   314.10
2006.20    0.123   310.66
2007.20    0.128   307.47
2008.20    0.133   304.53
2009.20    0.138   301.79
2010.20    0.143   299.24
2011.20    0.148   296.85
2012.20    0.152   294.61
2013.20    0.157   292.50
2014.20    0.161   290.51
2015.20    0.165   288.61
2016.20    0.169   286.80
2017.20    0.172   285.07
2018.20    0.176   283.40
2019.20    0.179   281.80
2020.20    0.181   280.24
2021.20    0.184   278.73
2022.20    0.186   277.25
2023.20    0.188   275.81
2024.20    0.189   274.39
2025.20    0.191   273.00
2026.20    0.192   271.62
2027.20    0.192   270.25
2028.20    0.193   268.89
2029.20    0.193   267.54
2030.20    0.193   266.19
2031.20    0.193   264.83
2032.20    0.192   263.47
2033.20    0.191   262.09
2034.20    0.190   260.70
2035.20    0.189   259.30
2036.20    0.187   257.87
2037.20    0.185   256.42
2038.20    0.183   254.94
2039.20    0.181   253.42
2040.20    0.179   251.87
2041.20    0.177   250.28
2042.20    0.174   248.64
2043.20    0.171   246.95
2044.20    0.169   245.20
2045.20    0.166   243.40
2046.20    0.163   241.53
2047.20    0.160   239.59
2048.20    0.157   237.57
2049.20    0.153   235.48
2050.20    0.150   233.29
2051.20    0.147   231.02
2052.20    0.144   228.64
2053.20    0.141   226.17
2054.20    0.138   223.59
2055.20    0.136   220.90
2056.20    0.133   218.10
2057.20    0.130   215.19
2058.20    0.128   212.17
2059.20    0.126   209.04
2060.20    0.124   205.81
2061.20    0.122   202.49
2062.20    0.121   199.08
2063.20    0.120   195.60
2064.20    0.119   192.07
2065.20    0.119   188.50
2066.20    0.118   184.91
2067.20    0.119   181.31
2068.20    0.119   177.74
2069.20    0.120   174.20
2070.20    0.121   170.72
2071.20    0.122   167.31
2072.20    0.124   163.98
2073.20    0.126   160.75
2074.20    0.128   157.62
2075.20    0.130   154.59
2076.20    0.133   151.68
2077.20    0.136   148.89
2078.20    0.138   146.20
2079.20    0.141   143.63
2080.20    0.145   141.17
2081.20    0.148   138.81
2082.20    0.151   136.55
2083.20    0.154   134.39
2084.20    0.158   132.32
2085.20    0.161   130.33
2086.20    0.164   128.43
2087.20    0.167   126.59
2088.20    0.171   124.83
2089.20    0.174   123.13
2090.20    0.177   121.50
2091.20    0.180   119.92
2092.20    0.183   118.39
2093.20    0.186   116.90
2094.20    0.188   115.46
2095.20    0.191   114.06
2096.20    0.193   112.70
2097.20    0.196   111.37
2098.20    0.198   110.07
2099.20    0.200   108.79

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 16:41:02