Double Star Calculator - Orbit

Orbital Elements for HDS1745

WDS:	HDS1745	WDS ID/Discoverer
P:	26.160	Orbital period (years)
a:	0.6023	Semi-major axis (arcseconds)
i:	99.3	Inclination (degrees)
Ω:	24.2	Longitude of ascending node (degrees)
T:	2000.780	Epoch of periastron passage (year)
e:	0.633	Eccentricity
ω:	113.0	Longitude of periastron (degrees)
Start-Year:	2011.92	Year
End-Year:	2038.08	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1745
Position:	122333.32+671117.5	Epoch-2000 right ascension and declination
WDS-ID:	12236+6711	WDS designation
Discoverer Code:	HDS1745	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	60444	Hipparcos catalog number
V1:	11.93	Magnitude of the primary
V2:	12.19	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Mit2020	Reference

Double Star Orbit for HDS1745

WDS 6th Orbit including measures of HDS1745

-- 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 HDS1745

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.056   342.52
--------------------------
2011.92    0.295    55.00
2012.02    0.301    54.30
2012.12    0.307    53.62
2012.22    0.313    52.97
2012.32    0.319    52.35
2012.42    0.325    51.75
2012.52    0.332    51.17
2012.62    0.338    50.61
2012.72    0.344    50.07
2012.82    0.350    49.55
2012.92    0.356    49.05
2013.02    0.362    48.57
2013.12    0.368    48.10
2013.22    0.374    47.64
2013.32    0.380    47.20
2013.42    0.386    46.78
2013.52    0.391    46.36
2013.62    0.397    45.96
2013.72    0.403    45.57
2013.82    0.409    45.19
2013.92    0.415    44.82
2014.02    0.420    44.46
2014.12    0.426    44.12
2014.22    0.432    43.78
2014.32    0.437    43.45
2014.42    0.443    43.12
2014.52    0.448    42.81
2014.62    0.454    42.50
2014.72    0.459    42.20
2014.82    0.464    41.91
2014.92    0.470    41.62
2015.02    0.475    41.34
2015.12    0.480    41.07
2015.22    0.485    40.80
2015.32    0.490    40.54
2015.42    0.495    40.28
2015.52    0.500    40.03
2015.62    0.505    39.78
2015.72    0.510    39.54
2015.82    0.515    39.30
2015.92    0.520    39.07
2016.02    0.524    38.84
2016.12    0.529    38.61
2016.22    0.533    38.39
2016.32    0.538    38.17
2016.42    0.542    37.96
2016.52    0.547    37.75
2016.62    0.551    37.54
2016.72    0.555    37.34
2016.82    0.559    37.14
2016.92    0.563    36.94
2017.02    0.567    36.74
2017.12    0.571    36.55
2017.22    0.575    36.36
2017.32    0.578    36.17
2017.42    0.582    35.99
2017.52    0.586    35.80
2017.62    0.589    35.62
2017.72    0.592    35.44
2017.82    0.596    35.27
2017.92    0.599    35.09
2018.02    0.602    34.92
2018.12    0.605    34.75
2018.22    0.608    34.58
2018.32    0.611    34.41
2018.42    0.613    34.24
2018.52    0.616    34.08
2018.62    0.618    33.91
2018.72    0.621    33.75
2018.82    0.623    33.59
2018.92    0.625    33.43
2019.02    0.627    33.27
2019.12    0.629    33.11
2019.22    0.631    32.95
2019.32    0.633    32.80
2019.42    0.634    32.64
2019.52    0.636    32.49
2019.62    0.637    32.33
2019.72    0.638    32.18
2019.82    0.639    32.03
2019.92    0.640    31.87
2020.02    0.641    31.72
2020.12    0.642    31.57
2020.22    0.642    31.42
2020.32    0.643    31.27
2020.42    0.643    31.12
2020.52    0.643    30.96
2020.62    0.643    30.81
2020.72    0.642    30.66
2020.82    0.642    30.51
2020.92    0.641    30.36
2021.02    0.641    30.21
2021.12    0.640    30.05
2021.22    0.639    29.90
2021.32    0.637    29.75
2021.42    0.636    29.59
2021.52    0.634    29.44
2021.62    0.632    29.28
2021.72    0.630    29.13
2021.82    0.627    28.97
2021.92    0.625    28.81
2022.02    0.622    28.65
2022.12    0.619    28.49
2022.22    0.616    28.32
2022.32    0.612    28.16
2022.42    0.608    27.99
2022.52    0.604    27.82
2022.62    0.600    27.65
2022.72    0.595    27.47
2022.82    0.590    27.29
2022.92    0.585    27.11
2023.02    0.580    26.93
2023.12    0.574    26.74
2023.22    0.568    26.55
2023.32    0.561    26.35
2023.42    0.554    26.15
2023.52    0.547    25.95
2023.62    0.539    25.74
2023.72    0.531    25.52
2023.82    0.523    25.29
2023.92    0.514    25.06
2024.02    0.504    24.82
2024.12    0.494    24.57
2024.22    0.484    24.31
2024.32    0.473    24.03
2024.42    0.461    23.75
2024.52    0.449    23.45
2024.62    0.437    23.13
2024.72    0.423    22.79
2024.82    0.409    22.43
2024.92    0.395    22.04
2025.02    0.379    21.63
2025.12    0.363    21.17
2025.22    0.346    20.68
2025.32    0.328    20.13
2025.42    0.310    19.51
2025.52    0.290    18.82
2025.62    0.270    18.02
2025.72    0.248    17.09
2025.82    0.226    15.97
2025.92    0.202    14.61
2026.02    0.178    12.88
2026.12    0.153    10.58
2026.22    0.127     7.38
2026.32    0.101     2.52
2026.42    0.075   354.32
2026.52    0.052   338.28
2026.62    0.038   304.63
2026.72    0.043   262.04
2026.82    0.063   238.06
2026.92    0.087   226.59
2027.02    0.113   220.25
2027.12    0.138   216.25
2027.22    0.162   213.46
2027.32    0.185   211.38
2027.42    0.206   209.74
2027.52    0.225   208.39
2027.62    0.242   207.25
2027.72    0.258   206.25
2027.82    0.272   205.36
2027.92    0.284   204.55
2028.02    0.295   203.81
2028.12    0.304   203.11
2028.22    0.313   202.46
2028.32    0.320   201.83
2028.42    0.325   201.23
2028.52    0.330   200.65
2028.62    0.334   200.09
2028.72    0.337   199.53
2028.82    0.340   198.99
2028.92    0.341   198.45
2029.02    0.342   197.91
2029.12    0.343   197.38
2029.22    0.343   196.85
2029.32    0.342   196.32
2029.42    0.341   195.78
2029.52    0.340   195.25
2029.62    0.338   194.70
2029.72    0.336   194.15
2029.82    0.333   193.59
2029.92    0.330   193.02
2030.02    0.327   192.45
2030.12    0.324   191.86
2030.22    0.320   191.25
2030.32    0.316   190.64
2030.42    0.312   190.00
2030.52    0.308   189.35
2030.62    0.304   188.69
2030.72    0.299   188.00
2030.82    0.294   187.29
2030.92    0.290   186.55
2031.02    0.285   185.80
2031.12    0.280   185.01
2031.22    0.275   184.20
2031.32    0.269   183.35
2031.42    0.264   182.48
2031.52    0.259   181.56
2031.62    0.253   180.61
2031.72    0.248   179.62
2031.82    0.243   178.58
2031.92    0.237   177.49
2032.02    0.232   176.36
2032.12    0.226   175.17
2032.22    0.221   173.92
2032.32    0.216   172.61
2032.42    0.210   171.24
2032.52    0.205   169.79
2032.62    0.200   168.27
2032.72    0.195   166.66
2032.82    0.190   164.98
2032.92    0.185   163.20
2033.02    0.180   161.33
2033.12    0.176   159.36
2033.22    0.171   157.28
2033.32    0.167   155.10
2033.42    0.163   152.81
2033.52    0.159   150.41
2033.62    0.156   147.90
2033.72    0.153   145.27
2033.82    0.150   142.54
2033.92    0.147   139.70
2034.02    0.145   136.77
2034.12    0.143   133.75
2034.22    0.141   130.66
2034.32    0.140   127.51
2034.42    0.139   124.31
2034.52    0.139   121.09
2034.62    0.139   117.86
2034.72    0.140   114.65
2034.82    0.141   111.47
2034.92    0.142   108.33
2035.02    0.144   105.27
2035.12    0.146   102.28
2035.22    0.148    99.38
2035.32    0.151    96.58
2035.42    0.154    93.88
2035.52    0.157    91.30
2035.62    0.161    88.83
2035.72    0.165    86.47
2035.82    0.169    84.23
2035.92    0.173    82.10
2036.02    0.178    80.07
2036.12    0.183    78.15
2036.22    0.188    76.32
2036.32    0.193    74.59
2036.42    0.198    72.95
2036.52    0.203    71.40
2036.62    0.209    69.92
2036.72    0.214    68.52
2036.82    0.220    67.20
2036.92    0.225    65.94
2037.02    0.231    64.74
2037.12    0.237    63.60
2037.22    0.243    62.51
2037.32    0.249    61.48
2037.42    0.255    60.49
2037.52    0.261    59.55
2037.62    0.267    58.65
2037.72    0.273    57.80
2037.82    0.279    56.98
2037.92    0.285    56.19
2038.02    0.291    55.44

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 16:45:48