Double Star Calculator - Orbit

Orbital Elements for FIN330AB

WDS:	FIN330AB	WDS ID/Discoverer
P:	20.230	Orbital period (years)
a:	0.1232	Semi-major axis (arcseconds)
i:	108.8	Inclination (degrees)
Ω:	32.5	Longitude of ascending node (degrees)
T:	2007.340	Epoch of periastron passage (year)
e:	0.443	Eccentricity
ω:	216.5	Longitude of periastron (degrees)
Start-Year:	2014.885	Year
End-Year:	2035.115	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN330AB
Position:	214744.17-305353.9	Epoch-2000 right ascension and declination
WDS-ID:	21477-3054	WDS designation
Discoverer Code:	FIN330AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	207155	HD catalog number
Hipparcos number:	107608	Hipparcos catalog number
V1:	5.8	Magnitude of the primary
V2:	5.8	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:	Tok2024c	Reference

Double Star Orbit for FIN330AB

WDS 6th Orbit including measures of FIN330AB

-- 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 FIN330AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.075   217.15
--------------------------
2014.88    0.163    27.16
2014.98    0.163    26.87
2015.08    0.163    26.58
2015.18    0.163    26.29
2015.28    0.163    25.99
2015.38    0.163    25.70
2015.48    0.162    25.40
2015.58    0.162    25.11
2015.68    0.162    24.81
2015.78    0.161    24.51
2015.88    0.161    24.21
2015.98    0.160    23.91
2016.08    0.160    23.60
2016.18    0.159    23.30
2016.28    0.158    22.99
2016.38    0.158    22.67
2016.48    0.157    22.36
2016.58    0.156    22.04
2016.68    0.155    21.72
2016.78    0.154    21.39
2016.88    0.153    21.06
2016.98    0.152    20.73
2017.08    0.151    20.39
2017.18    0.150    20.04
2017.28    0.149    19.69
2017.38    0.148    19.34
2017.48    0.147    18.98
2017.58    0.145    18.61
2017.68    0.144    18.24
2017.78    0.143    17.86
2017.88    0.141    17.47
2017.98    0.140    17.08
2018.08    0.138    16.67
2018.18    0.137    16.26
2018.28    0.135    15.84
2018.38    0.134    15.41
2018.48    0.132    14.97
2018.58    0.130    14.51
2018.68    0.129    14.05
2018.78    0.127    13.57
2018.88    0.125    13.08
2018.98    0.124    12.58
2019.08    0.122    12.06
2019.18    0.120    11.53
2019.28    0.118    10.97
2019.38    0.116    10.41
2019.48    0.114     9.82
2019.58    0.112     9.21
2019.68    0.110     8.58
2019.78    0.108     7.92
2019.88    0.106     7.24
2019.98    0.104     6.54
2020.08    0.102     5.80
2020.18    0.100     5.04
2020.28    0.098     4.24
2020.38    0.096     3.41
2020.48    0.094     2.54
2020.58    0.091     1.62
2020.68    0.089     0.67
2020.78    0.087   359.66
2020.88    0.085   358.60
2020.98    0.083   357.49
2021.08    0.080   356.31
2021.18    0.078   355.07
2021.28    0.076   353.76
2021.38    0.074   352.37
2021.48    0.072   350.89
2021.58    0.069   349.32
2021.68    0.067   347.65
2021.78    0.065   345.87
2021.88    0.063   343.97
2021.98    0.061   341.95
2022.08    0.059   339.79
2022.18    0.057   337.48
2022.28    0.055   335.01
2022.38    0.054   332.37
2022.48    0.052   329.55
2022.58    0.050   326.56
2022.68    0.049   323.37
2022.78    0.047   320.00
2022.88    0.046   316.43
2022.98    0.045   312.70
2023.08    0.044   308.80
2023.18    0.044   304.76
2023.28    0.043   300.61
2023.38    0.043   296.38
2023.48    0.043   292.11
2023.58    0.043   287.84
2023.68    0.043   283.62
2023.78    0.044   279.47
2023.88    0.044   275.43
2023.98    0.045   271.53
2024.08    0.046   267.79
2024.18    0.047   264.22
2024.28    0.049   260.82
2024.38    0.050   257.61
2024.48    0.051   254.58
2024.58    0.053   251.71
2024.68    0.055   249.02
2024.78    0.056   246.48
2024.88    0.058   244.08
2024.98    0.060   241.82
2025.08    0.061   239.68
2025.18    0.063   237.65
2025.28    0.065   235.73
2025.38    0.066   233.90
2025.48    0.068   232.15
2025.58    0.069   230.48
2025.68    0.070   228.86
2025.78    0.071   227.31
2025.88    0.073   225.81
2025.98    0.073   224.34
2026.08    0.074   222.91
2026.18    0.075   221.50
2026.28    0.075   220.11
2026.38    0.075   218.74
2026.48    0.075   217.36
2026.58    0.075   215.98
2026.68    0.074   214.58
2026.78    0.073   213.15
2026.88    0.072   211.68
2026.98    0.071   210.16
2027.08    0.069   208.57
2027.18    0.067   206.89
2027.28    0.065   205.10
2027.38    0.062   203.17
2027.48    0.059   201.06
2027.58    0.056   198.72
2027.68    0.053   196.10
2027.78    0.049   193.11
2027.88    0.046   189.67
2027.98    0.042   185.63
2028.08    0.039   180.82
2028.18    0.035   175.02
2028.28    0.032   168.00
2028.38    0.029   159.50
2028.48    0.027   149.41
2028.58    0.025   137.91
2028.68    0.025   125.66
2028.78    0.026   113.61
2028.88    0.028   102.64
2028.98    0.030    93.21
2029.08    0.033    85.38
2029.18    0.037    78.96
2029.28    0.040    73.69
2029.38    0.044    69.34
2029.48    0.048    65.71
2029.58    0.053    62.65
2029.68    0.057    60.02
2029.78    0.061    57.76
2029.88    0.065    55.77
2029.98    0.069    54.02
2030.08    0.073    52.47
2030.18    0.077    51.07
2030.28    0.080    49.80
2030.38    0.084    48.65
2030.48    0.088    47.59
2030.58    0.091    46.62
2030.68    0.095    45.72
2030.78    0.098    44.88
2030.88    0.101    44.09
2030.98    0.105    43.36
2031.08    0.108    42.66
2031.18    0.111    42.01
2031.28    0.113    41.39
2031.38    0.116    40.80
2031.48    0.119    40.23
2031.58    0.122    39.69
2031.68    0.124    39.17
2031.78    0.127    38.68
2031.88    0.129    38.20
2031.98    0.131    37.74
2032.08    0.133    37.29
2032.18    0.135    36.86
2032.28    0.137    36.44
2032.38    0.139    36.03
2032.48    0.141    35.63
2032.58    0.143    35.25
2032.68    0.144    34.87
2032.78    0.146    34.50
2032.88    0.148    34.14
2032.98    0.149    33.78
2033.08    0.150    33.43
2033.18    0.152    33.09
2033.28    0.153    32.75
2033.38    0.154    32.42
2033.48    0.155    32.10
2033.58    0.156    31.77
2033.68    0.157    31.46
2033.78    0.158    31.14
2033.88    0.159    30.83
2033.98    0.159    30.52
2034.08    0.160    30.22
2034.18    0.161    29.91
2034.28    0.161    29.61
2034.38    0.162    29.31
2034.48    0.162    29.02
2034.58    0.163    28.72
2034.68    0.163    28.42
2034.78    0.163    28.13
2034.88    0.163    27.84
2034.98    0.163    27.54
2035.08    0.163    27.25

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 18:31:40