Double Star Calculator - Orbit

Orbital Elements for FIN328

WDS:	FIN328	WDS ID/Discoverer
P:	27.896	Orbital period (years)
a:	0.2639	Semi-major axis (arcseconds)
i:	163.7	Inclination (degrees)
Ω:	160.4	Longitude of ascending node (degrees)
T:	2002.410	Epoch of periastron passage (year)
e:	0.4087	Eccentricity
ω:	47.0	Longitude of periastron (degrees)
Start-Year:	2011.052	Year
End-Year:	2038.948	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN328
Position:	210424.32-195117.8	Epoch-2000 right ascension and declination
WDS-ID:	21044-1951	WDS designation
Discoverer Code:	FIN328	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	200499	HD catalog number
Hipparcos number:	104019	Hipparcos catalog number
V1:	5.02	Magnitude of the primary
V2:	7.39	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	2	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 FIN328

WDS 6th Orbit including measures of FIN328

-- 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 FIN328

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.224   208.05
--------------------------
2011.05    0.332   327.84
2011.15    0.333   327.12
2011.25    0.335   326.42
2011.35    0.336   325.72
2011.45    0.337   325.02
2011.55    0.339   324.34
2011.65    0.340   323.65
2011.75    0.341   322.97
2011.85    0.342   322.30
2011.95    0.343   321.63
2012.05    0.344   320.96
2012.15    0.345   320.30
2012.25    0.347   319.64
2012.35    0.348   318.99
2012.45    0.349   318.34
2012.55    0.349   317.69
2012.65    0.350   317.05
2012.75    0.351   316.41
2012.85    0.352   315.77
2012.95    0.353   315.14
2013.05    0.354   314.51
2013.15    0.355   313.88
2013.25    0.355   313.26
2013.35    0.356   312.63
2013.45    0.357   312.01
2013.55    0.357   311.40
2013.65    0.358   310.78
2013.75    0.359   310.17
2013.85    0.359   309.55
2013.95    0.360   308.94
2014.05    0.360   308.34
2014.15    0.361   307.73
2014.25    0.361   307.13
2014.35    0.361   306.52
2014.45    0.362   305.92
2014.55    0.362   305.32
2014.65    0.363   304.72
2014.75    0.363   304.12
2014.85    0.363   303.52
2014.95    0.363   302.93
2015.05    0.364   302.33
2015.15    0.364   301.74
2015.25    0.364   301.14
2015.35    0.364   300.55
2015.45    0.364   299.95
2015.55    0.364   299.36
2015.65    0.364   298.77
2015.75    0.364   298.17
2015.85    0.364   297.58
2015.95    0.364   296.99
2016.05    0.364   296.39
2016.15    0.364   295.80
2016.25    0.364   295.20
2016.35    0.364   294.61
2016.45    0.364   294.01
2016.55    0.363   293.42
2016.65    0.363   292.82
2016.75    0.363   292.23
2016.85    0.363   291.63
2016.95    0.362   291.03
2017.05    0.362   290.43
2017.15    0.362   289.83
2017.25    0.361   289.23
2017.35    0.361   288.62
2017.45    0.361   288.02
2017.55    0.360   287.41
2017.65    0.360   286.80
2017.75    0.359   286.19
2017.85    0.359   285.58
2017.95    0.358   284.97
2018.05    0.357   284.35
2018.15    0.357   283.74
2018.25    0.356   283.12
2018.35    0.356   282.50
2018.45    0.355   281.87
2018.55    0.354   281.24
2018.65    0.353   280.62
2018.75    0.353   279.98
2018.85    0.352   279.35
2018.95    0.351   278.71
2019.05    0.350   278.07
2019.15    0.349   277.43
2019.25    0.348   276.78
2019.35    0.348   276.13
2019.45    0.347   275.48
2019.55    0.346   274.82
2019.65    0.345   274.16
2019.75    0.344   273.49
2019.85    0.343   272.82
2019.95    0.342   272.15
2020.05    0.340   271.47
2020.15    0.339   270.79
2020.25    0.338   270.11
2020.35    0.337   269.42
2020.45    0.336   268.72
2020.55    0.335   268.02
2020.65    0.333   267.31
2020.75    0.332   266.60
2020.85    0.331   265.89
2020.95    0.330   265.16
2021.05    0.328   264.44
2021.15    0.327   263.70
2021.25    0.325   262.96
2021.35    0.324   262.22
2021.45    0.323   261.46
2021.55    0.321   260.70
2021.65    0.320   259.94
2021.75    0.318   259.16
2021.85    0.317   258.38
2021.95    0.315   257.59
2022.05    0.314   256.80
2022.15    0.312   255.99
2022.25    0.310   255.18
2022.35    0.309   254.36
2022.45    0.307   253.53
2022.55    0.306   252.69
2022.65    0.304   251.84
2022.75    0.302   250.99
2022.85    0.300   250.12
2022.95    0.299   249.24
2023.05    0.297   248.35
2023.15    0.295   247.45
2023.25    0.293   246.54
2023.35    0.291   245.62
2023.45    0.289   244.69
2023.55    0.288   243.74
2023.65    0.286   242.78
2023.75    0.284   241.81
2023.85    0.282   240.83
2023.95    0.280   239.83
2024.05    0.278   238.82
2024.15    0.276   237.79
2024.25    0.274   236.75
2024.35    0.272   235.69
2024.45    0.270   234.62
2024.55    0.268   233.53
2024.65    0.266   232.42
2024.75    0.263   231.29
2024.85    0.261   230.15
2024.95    0.259   228.99
2025.05    0.257   227.81
2025.15    0.255   226.60
2025.25    0.253   225.38
2025.35    0.250   224.14
2025.45    0.248   222.87
2025.55    0.246   221.58
2025.65    0.244   220.26
2025.75    0.241   218.93
2025.85    0.239   217.56
2025.95    0.237   216.17
2026.05    0.235   214.76
2026.15    0.232   213.31
2026.25    0.230   211.84
2026.35    0.228   210.33
2026.45    0.225   208.80
2026.55    0.223   207.23
2026.65    0.221   205.63
2026.75    0.218   203.99
2026.85    0.216   202.32
2026.95    0.214   200.61
2027.05    0.211   198.87
2027.15    0.209   197.08
2027.25    0.206   195.25
2027.35    0.204   193.39
2027.45    0.202   191.48
2027.55    0.199   189.52
2027.65    0.197   187.52
2027.75    0.195   185.47
2027.85    0.193   183.37
2027.95    0.190   181.22
2028.05    0.188   179.02
2028.15    0.186   176.77
2028.25    0.184   174.46
2028.35    0.181   172.10
2028.45    0.179   169.68
2028.55    0.177   167.20
2028.65    0.175   164.66
2028.75    0.173   162.06
2028.85    0.171   159.41
2028.95    0.169   156.69
2029.05    0.167   153.91
2029.15    0.166   151.08
2029.25    0.164   148.18
2029.35    0.162   145.22
2029.45    0.161   142.21
2029.55    0.159   139.14
2029.65    0.158   136.02
2029.75    0.157   132.85
2029.85    0.156   129.63
2029.95    0.155   126.37
2030.05    0.154   123.08
2030.15    0.153   119.75
2030.25    0.153   116.39
2030.35    0.153   113.02
2030.45    0.152   109.63
2030.55    0.152   106.24
2030.65    0.152   102.85
2030.75    0.153    99.46
2030.85    0.153    96.09
2030.95    0.154    92.75
2031.05    0.154    89.43
2031.15    0.155    86.15
2031.25    0.157    82.92
2031.35    0.158    79.73
2031.45    0.159    76.59
2031.55    0.161    73.51
2031.65    0.162    70.50
2031.75    0.164    67.54
2031.85    0.166    64.66
2031.95    0.168    61.84
2032.05    0.170    59.09
2032.15    0.173    56.41
2032.25    0.175    53.79
2032.35    0.177    51.25
2032.45    0.180    48.78
2032.55    0.182    46.38
2032.65    0.185    44.04
2032.75    0.188    41.77
2032.85    0.190    39.56
2032.95    0.193    37.42
2033.05    0.196    35.33
2033.15    0.199    33.31
2033.25    0.201    31.34
2033.35    0.204    29.42
2033.45    0.207    27.56
2033.55    0.210    25.75
2033.65    0.213    23.99
2033.75    0.216    22.27
2033.85    0.219    20.60
2033.95    0.221    18.98
2034.05    0.224    17.39
2034.15    0.227    15.85
2034.25    0.230    14.34
2034.35    0.233    12.87
2034.45    0.236    11.43
2034.55    0.238    10.03
2034.65    0.241     8.66
2034.75    0.244     7.32
2034.85    0.247     6.01
2034.95    0.249     4.73
2035.05    0.252     3.48
2035.15    0.255     2.26
2035.25    0.257     1.05
2035.35    0.260   359.88
2035.45    0.262   358.72
2035.55    0.265   357.59
2035.65    0.268   356.48
2035.75    0.270   355.39
2035.85    0.272   354.32
2035.95    0.275   353.27
2036.05    0.277   352.24
2036.15    0.280   351.22
2036.25    0.282   350.22
2036.35    0.284   349.24
2036.45    0.286   348.27
2036.55    0.289   347.32
2036.65    0.291   346.38
2036.75    0.293   345.46
2036.85    0.295   344.55
2036.95    0.297   343.65
2037.05    0.299   342.77
2037.15    0.301   341.89
2037.25    0.303   341.03
2037.35    0.305   340.18
2037.45    0.307   339.34
2037.55    0.309   338.51
2037.65    0.311   337.69
2037.75    0.313   336.88
2037.85    0.315   336.08
2037.95    0.316   335.29
2038.05    0.318   334.51
2038.15    0.320   333.74
2038.25    0.321   332.97
2038.35    0.323   332.21
2038.45    0.325   331.46
2038.55    0.326   330.72
2038.65    0.328   329.98
2038.75    0.329   329.25
2038.85    0.331   328.52

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 18:22:18