Double Star Calculator - Orbit

Orbital Elements for A1844AB

WDS:	A1844AB	WDS ID/Discoverer
P:	25.323	Orbital period (years)
a:	0.262	Semi-major axis (arcseconds)
i:	14.4	Inclination (degrees)
Ω:	221.8	Longitude of ascending node (degrees)
T:	2000.756	Epoch of periastron passage (year)
e:	0.301	Eccentricity
ω:	340.6	Longitude of periastron (degrees)
Start-Year:	2012.3385	Year
End-Year:	2037.6615	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1844AB
Position:	050144.28+264015.8	Epoch-2000 right ascension and declination
WDS-ID:	05017+2640	WDS designation
Discoverer Code:	A1844AB	Discover designation and components
ADS number:	3608	Aitken Double Star catalog
HD number:	32092	HD catalog number
Hipparcos number:	23395	Hipparcos catalog number
V1:	7.07	Magnitude of the primary
V2:	9.01	Magnitude of the secondary
Equinox:		Equinox
Date:	2018	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:	Msn2021a	Reference

Double Star Orbit for A1844AB

WDS 6th Orbit including measures of A1844AB

-- 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 A1844AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.184   214.28
--------------------------
2012.34    0.337    14.48
2012.44    0.337    15.28
2012.54    0.338    16.07
2012.64    0.338    16.86
2012.74    0.338    17.64
2012.84    0.339    18.43
2012.94    0.339    19.22
2013.04    0.339    20.00
2013.14    0.339    20.78
2013.24    0.339    21.57
2013.34    0.340    22.35
2013.44    0.340    23.13
2013.54    0.340    23.91
2013.64    0.340    24.69
2013.74    0.340    25.47
2013.84    0.340    26.25
2013.94    0.340    27.03
2014.04    0.340    27.81
2014.14    0.340    28.60
2014.24    0.339    29.38
2014.34    0.339    30.16
2014.44    0.339    30.95
2014.54    0.339    31.73
2014.64    0.338    32.52
2014.74    0.338    33.30
2014.84    0.338    34.09
2014.94    0.337    34.88
2015.04    0.337    35.68
2015.14    0.337    36.47
2015.24    0.336    37.27
2015.34    0.336    38.07
2015.44    0.335    38.87
2015.54    0.334    39.68
2015.64    0.334    40.48
2015.74    0.333    41.29
2015.84    0.332    42.11
2015.94    0.332    42.92
2016.04    0.331    43.74
2016.14    0.330    44.57
2016.24    0.329    45.40
2016.34    0.329    46.23
2016.44    0.328    47.07
2016.54    0.327    47.91
2016.64    0.326    48.76
2016.74    0.325    49.61
2016.84    0.324    50.46
2016.94    0.323    51.33
2017.04    0.322    52.19
2017.14    0.321    53.07
2017.24    0.320    53.95
2017.34    0.318    54.83
2017.44    0.317    55.72
2017.54    0.316    56.62
2017.64    0.315    57.53
2017.74    0.313    58.44
2017.84    0.312    59.37
2017.94    0.311    60.30
2018.04    0.309    61.23
2018.14    0.308    62.18
2018.24    0.306    63.14
2018.34    0.305    64.10
2018.44    0.303    65.07
2018.54    0.302    66.06
2018.64    0.300    67.05
2018.74    0.299    68.06
2018.84    0.297    69.07
2018.94    0.295    70.10
2019.04    0.294    71.14
2019.14    0.292    72.19
2019.24    0.290    73.25
2019.34    0.289    74.32
2019.44    0.287    75.41
2019.54    0.285    76.52
2019.64    0.283    77.63
2019.74    0.281    78.76
2019.84    0.279    79.91
2019.94    0.277    81.07
2020.04    0.276    82.25
2020.14    0.274    83.45
2020.24    0.272    84.66
2020.34    0.270    85.89
2020.44    0.268    87.14
2020.54    0.266    88.41
2020.64    0.263    89.70
2020.74    0.261    91.01
2020.84    0.259    92.34
2020.94    0.257    93.69
2021.04    0.255    95.06
2021.14    0.253    96.46
2021.24    0.251    97.88
2021.34    0.249    99.32
2021.44    0.247   100.79
2021.54    0.244   102.29
2021.64    0.242   103.81
2021.74    0.240   105.36
2021.84    0.238   106.93
2021.94    0.236   108.54
2022.04    0.234   110.17
2022.14    0.232   111.84
2022.24    0.229   113.54
2022.34    0.227   115.26
2022.44    0.225   117.02
2022.54    0.223   118.82
2022.64    0.221   120.64
2022.74    0.219   122.50
2022.84    0.217   124.40
2022.94    0.215   126.33
2023.04    0.213   128.30
2023.14    0.211   130.30
2023.24    0.209   132.34
2023.34    0.207   134.42
2023.44    0.206   136.53
2023.54    0.204   138.68
2023.64    0.202   140.86
2023.74    0.201   143.09
2023.84    0.199   145.35
2023.94    0.197   147.64
2024.04    0.196   149.97
2024.14    0.195   152.33
2024.24    0.193   154.73
2024.34    0.192   157.16
2024.44    0.191   159.63
2024.54    0.190   162.12
2024.64    0.189   164.64
2024.74    0.188   167.19
2024.84    0.187   169.76
2024.94    0.186   172.36
2025.04    0.185   174.98
2025.14    0.184   177.62
2025.24    0.184   180.28
2025.34    0.183   182.95
2025.44    0.183   185.63
2025.54    0.183   188.33
2025.64    0.183   191.03
2025.74    0.182   193.74
2025.84    0.182   196.45
2025.94    0.182   199.16
2026.04    0.182   201.87
2026.14    0.183   204.57
2026.24    0.183   207.27
2026.34    0.183   209.96
2026.44    0.184   212.64
2026.54    0.184   215.31
2026.64    0.185   217.96
2026.74    0.185   220.60
2026.84    0.186   223.21
2026.94    0.187   225.81
2027.04    0.188   228.38
2027.14    0.188   230.94
2027.24    0.189   233.46
2027.34    0.190   235.97
2027.44    0.191   238.44
2027.54    0.192   240.89
2027.64    0.194   243.31
2027.74    0.195   245.70
2027.84    0.196   248.06
2027.94    0.197   250.39
2028.04    0.199   252.69
2028.14    0.200   254.96
2028.24    0.201   257.19
2028.34    0.203   259.40
2028.44    0.204   261.57
2028.54    0.206   263.71
2028.64    0.208   265.82
2028.74    0.209   267.90
2028.84    0.211   269.94
2028.94    0.212   271.96
2029.04    0.214   273.94
2029.14    0.216   275.89
2029.24    0.217   277.81
2029.34    0.219   279.70
2029.44    0.221   281.56
2029.54    0.223   283.40
2029.64    0.225   285.20
2029.74    0.226   286.97
2029.84    0.228   288.71
2029.94    0.230   290.43
2030.04    0.232   292.12
2030.14    0.234   293.78
2030.24    0.236   295.42
2030.34    0.238   297.03
2030.44    0.239   298.61
2030.54    0.241   300.17
2030.64    0.243   301.71
2030.74    0.245   303.22
2030.84    0.247   304.71
2030.94    0.249   306.17
2031.04    0.251   307.62
2031.14    0.253   309.04
2031.24    0.255   310.44
2031.34    0.256   311.82
2031.44    0.258   313.18
2031.54    0.260   314.52
2031.64    0.262   315.85
2031.74    0.264   317.15
2031.84    0.266   318.43
2031.94    0.268   319.70
2032.04    0.269   320.95
2032.14    0.271   322.19
2032.24    0.273   323.41
2032.34    0.275   324.61
2032.44    0.276   325.79
2032.54    0.278   326.97
2032.64    0.280   328.12
2032.74    0.282   329.27
2032.84    0.283   330.40
2032.94    0.285   331.51
2033.04    0.287   332.61
2033.14    0.288   333.70
2033.24    0.290   334.78
2033.34    0.292   335.85
2033.44    0.293   336.90
2033.54    0.295   337.95
2033.64    0.296   338.98
2033.74    0.298   340.00
2033.84    0.299   341.01
2033.94    0.301   342.01
2034.04    0.302   343.00
2034.14    0.304   343.99
2034.24    0.305   344.96
2034.34    0.306   345.93
2034.44    0.308   346.88
2034.54    0.309   347.83
2034.64    0.310   348.77
2034.74    0.312   349.70
2034.84    0.313   350.62
2034.94    0.314   351.54
2035.04    0.315   352.45
2035.14    0.317   353.35
2035.24    0.318   354.25
2035.34    0.319   355.14
2035.44    0.320   356.02
2035.54    0.321   356.90
2035.64    0.322   357.77
2035.74    0.323   358.64
2035.84    0.324   359.50
2035.94    0.325     0.36
2036.04    0.326     1.21
2036.14    0.327     2.05
2036.24    0.328     2.90
2036.34    0.329     3.73
2036.44    0.329     4.57
2036.54    0.330     5.40
2036.64    0.331     6.22
2036.74    0.332     7.04
2036.84    0.332     7.86
2036.94    0.333     8.68
2037.04    0.334     9.49
2037.14    0.334    10.30
2037.24    0.335    11.10
2037.34    0.335    11.90
2037.44    0.336    12.71
2037.54    0.336    13.50
2037.64    0.337    14.30

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 15:33:04