Double Star Calculator - Orbit

Orbital Elements for FME1

WDS:	FME1	WDS ID/Discoverer
P:	14.360	Orbital period (years)
a:	0.21459999999999999	Semi-major axis (arcseconds)
i:	42.41	Inclination (degrees)
Ω:	74.4	Longitude of ascending node (degrees)
T:	2020.664	Epoch of periastron passage (year)
e:	0.353	Eccentricity
ω:	221.5	Longitude of periastron (degrees)
Start-Year:	2017.82	Year
End-Year:	2032.18	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FME1
Position:	112149.26-131308.4	Epoch-2000 right ascension and declination
WDS-ID:	11218-1313	WDS designation
Discoverer Code:	FME1	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	11.9	Magnitude of the primary
V2:	15.7	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	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:	Dup2017	Reference

Double Star Orbit for FME1

WDS 6th Orbit including measures of FME1

-- 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 FME1

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.272    92.59
--------------------------
2017.82    0.167   189.91
2017.92    0.166   192.78
2018.02    0.165   195.68
2018.12    0.165   198.61
2018.22    0.164   201.55
2018.32    0.164   204.52
2018.42    0.163   207.51
2018.52    0.163   210.51
2018.62    0.162   213.53
2018.72    0.162   216.57
2018.82    0.161   219.62
2018.92    0.161   222.70
2019.02    0.160   225.79
2019.12    0.160   228.90
2019.22    0.159   232.05
2019.32    0.158   235.23
2019.42    0.157   238.45
2019.52    0.155   241.72
2019.62    0.154   245.05
2019.72    0.152   248.46
2019.82    0.150   251.95
2019.92    0.148   255.54
2020.02    0.145   259.25
2020.12    0.142   263.10
2020.22    0.139   267.12
2020.32    0.136   271.32
2020.42    0.133   275.74
2020.52    0.129   280.38
2020.62    0.126   285.29
2020.72    0.122   290.48
2020.82    0.119   295.95
2020.92    0.116   301.72
2021.02    0.114   307.76
2021.12    0.112   314.04
2021.22    0.111   320.50
2021.32    0.110   327.07
2021.42    0.110   333.65
2021.52    0.111   340.16
2021.62    0.113   346.51
2021.72    0.116   352.61
2021.82    0.119   358.41
2021.92    0.123     3.88
2022.02    0.127     8.99
2022.12    0.132    13.75
2022.22    0.137    18.17
2022.32    0.142    22.27
2022.42    0.148    26.06
2022.52    0.153    29.58
2022.62    0.159    32.86
2022.72    0.165    35.90
2022.82    0.170    38.74
2022.92    0.176    41.40
2023.02    0.181    43.90
2023.12    0.187    46.25
2023.22    0.192    48.47
2023.32    0.197    50.58
2023.42    0.202    52.57
2023.52    0.207    54.48
2023.62    0.212    56.29
2023.72    0.216    58.03
2023.82    0.221    59.70
2023.92    0.225    61.31
2024.02    0.229    62.86
2024.12    0.233    64.36
2024.22    0.236    65.81
2024.32    0.240    67.22
2024.42    0.243    68.59
2024.52    0.246    69.92
2024.62    0.249    71.22
2024.72    0.252    72.50
2024.82    0.254    73.74
2024.92    0.256    74.97
2025.02    0.259    76.17
2025.12    0.261    77.35
2025.22    0.262    78.52
2025.32    0.264    79.67
2025.42    0.266    80.81
2025.52    0.267    81.93
2025.62    0.268    83.04
2025.72    0.269    84.15
2025.82    0.270    85.24
2025.92    0.271    86.33
2026.02    0.271    87.42
2026.12    0.272    88.50
2026.22    0.272    89.58
2026.32    0.272    90.65
2026.42    0.272    91.73
2026.52    0.272    92.80
2026.62    0.272    93.88
2026.72    0.272    94.96
2026.82    0.271    96.04
2026.92    0.271    97.13
2027.02    0.270    98.22
2027.12    0.269    99.32
2027.22    0.268   100.42
2027.32    0.267   101.54
2027.42    0.266   102.66
2027.52    0.265   103.79
2027.62    0.263   104.94
2027.72    0.262   106.10
2027.82    0.260   107.27
2027.92    0.258   108.45
2028.02    0.257   109.65
2028.12    0.255   110.87
2028.22    0.253   112.11
2028.32    0.251   113.37
2028.42    0.249   114.64
2028.52    0.247   115.94
2028.62    0.245   117.26
2028.72    0.242   118.61
2028.82    0.240   119.98
2028.92    0.238   121.38
2029.02    0.235   122.80
2029.12    0.233   124.26
2029.22    0.230   125.75
2029.32    0.228   127.27
2029.42    0.225   128.82
2029.52    0.223   130.42
2029.62    0.220   132.04
2029.72    0.217   133.71
2029.82    0.215   135.42
2029.92    0.212   137.17
2030.02    0.209   138.97
2030.12    0.207   140.81
2030.22    0.204   142.69
2030.32    0.202   144.63
2030.42    0.199   146.61
2030.52    0.197   148.65
2030.62    0.194   150.73
2030.72    0.192   152.87
2030.82    0.190   155.06
2030.92    0.187   157.31
2031.02    0.185   159.61
2031.12    0.183   161.96
2031.22    0.181   164.37
2031.32    0.179   166.83
2031.42    0.177   169.34
2031.52    0.176   171.90
2031.62    0.174   174.51
2031.72    0.173   177.16
2031.82    0.171   179.86
2031.92    0.170   182.60
2032.02    0.169   185.39
2032.12    0.168   188.20

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 16:37:12