Double Star Calculator - Orbit

Orbital Elements for HDS1850AA,AB
WDS: HDS1850AA,AB WDS ID/Discoverer
P: 29.110 Orbital period (years)
a: 0.3134 Semi-major axis (arcseconds)
i: 89.0 Inclination (degrees)
Ω: 279.7 Longitude of ascending node (degrees)
T: 1997.270 Epoch of periastron passage (year)
e: 0.173 Eccentricity
ω: 326.4 Longitude of periastron (degrees)
Start-Year: 2010.445 Year
End-Year: 2039.555 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS1850AA,AB
Position: 131255.71-594858.8 Epoch-2000 right ascension and declination
WDS-ID: 13129-5949 WDS designation
Discoverer Code: HDS1850AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 114630 HD catalog number
Hipparcos number: 64478 Hipparcos catalog number
V1: 6.37 Magnitude of the primary
V2: 9.69 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2015 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Tok2016b Reference

Double Star Orbit for HDS1850AA,AB



WDS 6th Orbit including measures of HDS1850AA,AB

-- 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 HDS1850AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.221   279.09
--------------------------
2010.44    0.255    98.67
2010.54    0.259    98.70
2010.64    0.263    98.73
2010.74    0.267    98.76
2010.84    0.271    98.79
2010.94    0.275    98.82
2011.04    0.279    98.85
2011.14    0.283    98.87
2011.24    0.287    98.90
2011.34    0.290    98.92
2011.44    0.294    98.95
2011.54    0.297    98.97
2011.64    0.300    98.99
2011.74    0.304    99.02
2011.84    0.307    99.04
2011.94    0.310    99.06
2012.04    0.313    99.08
2012.14    0.316    99.10
2012.24    0.319    99.13
2012.34    0.321    99.15
2012.44    0.324    99.17
2012.54    0.326    99.19
2012.64    0.329    99.21
2012.74    0.331    99.22
2012.84    0.334    99.24
2012.94    0.336    99.26
2013.04    0.338    99.28
2013.14    0.340    99.30
2013.24    0.342    99.32
2013.34    0.343    99.33
2013.44    0.345    99.35
2013.54    0.346    99.37
2013.64    0.348    99.39
2013.74    0.349    99.40
2013.84    0.350    99.42
2013.94    0.352    99.44
2014.04    0.353    99.45
2014.14    0.354    99.47
2014.24    0.354    99.49
2014.34    0.355    99.50
2014.44    0.356    99.52
2014.54    0.356    99.54
2014.64    0.357    99.55
2014.74    0.357    99.57
2014.84    0.357    99.59
2014.94    0.357    99.60
2015.04    0.357    99.62
2015.14    0.357    99.64
2015.24    0.357    99.65
2015.34    0.356    99.67
2015.44    0.356    99.69
2015.54    0.355    99.70
2015.64    0.354    99.72
2015.74    0.354    99.74
2015.84    0.353    99.75
2015.94    0.352    99.77
2016.04    0.350    99.79
2016.14    0.349    99.80
2016.24    0.348    99.82
2016.34    0.346    99.84
2016.44    0.344    99.85
2016.54    0.343    99.87
2016.64    0.341    99.89
2016.74    0.339    99.91
2016.84    0.337    99.93
2016.94    0.334    99.95
2017.04    0.332    99.96
2017.14    0.330    99.98
2017.24    0.327   100.00
2017.34    0.324   100.02
2017.44    0.322   100.04
2017.54    0.319   100.06
2017.64    0.316   100.08
2017.74    0.312   100.10
2017.84    0.309   100.13
2017.94    0.306   100.15
2018.04    0.302   100.17
2018.14    0.298   100.19
2018.24    0.295   100.22
2018.34    0.291   100.24
2018.44    0.287   100.27
2018.54    0.283   100.29
2018.64    0.279   100.32
2018.74    0.274   100.35
2018.84    0.270   100.37
2018.94    0.265   100.40
2019.04    0.261   100.43
2019.14    0.256   100.47
2019.24    0.251   100.50
2019.34    0.246   100.53
2019.44    0.241   100.57
2019.54    0.236   100.60
2019.64    0.230   100.64
2019.74    0.225   100.68
2019.84    0.219   100.73
2019.94    0.214   100.77
2020.04    0.208   100.82
2020.14    0.202   100.87
2020.24    0.196   100.92
2020.34    0.190   100.98
2020.44    0.184   101.03
2020.54    0.178   101.10
2020.64    0.172   101.17
2020.74    0.165   101.24
2020.84    0.159   101.32
2020.94    0.152   101.41
2021.04    0.146   101.50
2021.14    0.139   101.60
2021.24    0.132   101.72
2021.34    0.125   101.84
2021.44    0.118   101.98
2021.54    0.111   102.14
2021.64    0.104   102.32
2021.74    0.097   102.53
2021.84    0.090   102.76
2021.94    0.083   103.04
2022.04    0.076   103.38
2022.14    0.068   103.78
2022.24    0.061   104.28
2022.34    0.054   104.91
2022.44    0.046   105.75
2022.54    0.039   106.91
2022.64    0.032   108.60
2022.74    0.024   111.34
2022.84    0.017   116.45
2022.94    0.010   128.98
2023.04    0.005   176.41
2023.14    0.008   242.60
2023.24    0.015   260.63
2023.34    0.022   267.12
2023.44    0.029   270.37
2023.54    0.037   272.31
2023.64    0.044   273.60
2023.74    0.051   274.52
2023.84    0.059   275.21
2023.94    0.066   275.75
2024.04    0.073   276.18
2024.14    0.081   276.53
2024.24    0.088   276.82
2024.34    0.095   277.07
2024.44    0.102   277.29
2024.54    0.109   277.48
2024.64    0.116   277.64
2024.74    0.123   277.79
2024.84    0.129   277.92
2024.94    0.136   278.04
2025.04    0.142   278.15
2025.14    0.149   278.25
2025.24    0.155   278.34
2025.34    0.161   278.42
2025.44    0.167   278.50
2025.54    0.173   278.57
2025.64    0.179   278.64
2025.74    0.184   278.70
2025.84    0.190   278.76
2025.94    0.195   278.82
2026.04    0.200   278.87
2026.14    0.205   278.92
2026.24    0.210   278.97
2026.34    0.214   279.02
2026.44    0.219   279.06
2026.54    0.223   279.11
2026.64    0.227   279.15
2026.74    0.231   279.19
2026.84    0.235   279.23
2026.94    0.238   279.26
2027.04    0.241   279.30
2027.14    0.245   279.34
2027.24    0.247   279.37
2027.34    0.250   279.40
2027.44    0.253   279.44
2027.54    0.255   279.47
2027.64    0.257   279.50
2027.74    0.259   279.53
2027.84    0.261   279.56
2027.94    0.262   279.59
2028.04    0.263   279.62
2028.14    0.264   279.65
2028.24    0.265   279.68
2028.34    0.266   279.71
2028.44    0.266   279.74
2028.54    0.267   279.77
2028.64    0.267   279.80
2028.74    0.267   279.83
2028.84    0.266   279.86
2028.94    0.266   279.89
2029.04    0.265   279.92
2029.14    0.264   279.95
2029.24    0.263   279.98
2029.34    0.262   280.01
2029.44    0.260   280.04
2029.54    0.259   280.07
2029.64    0.257   280.10
2029.74    0.255   280.13
2029.84    0.253   280.17
2029.94    0.250   280.20
2030.04    0.248   280.23
2030.14    0.245   280.27
2030.24    0.242   280.30
2030.34    0.239   280.34
2030.44    0.236   280.38
2030.54    0.233   280.41
2030.64    0.230   280.45
2030.74    0.226   280.49
2030.84    0.222   280.53
2030.94    0.219   280.58
2031.04    0.215   280.62
2031.14    0.211   280.67
2031.24    0.206   280.72
2031.34    0.202   280.77
2031.44    0.198   280.82
2031.54    0.193   280.87
2031.64    0.189   280.93
2031.74    0.184   280.99
2031.84    0.179   281.05
2031.94    0.174   281.12
2032.04    0.169   281.19
2032.14    0.164   281.27
2032.24    0.159   281.35
2032.34    0.154   281.43
2032.44    0.148   281.52
2032.54    0.143   281.62
2032.64    0.137   281.73
2032.74    0.132   281.84
2032.84    0.126   281.97
2032.94    0.121   282.11
2033.04    0.115   282.26
2033.14    0.109   282.42
2033.24    0.103   282.61
2033.34    0.098   282.81
2033.44    0.092   283.05
2033.54    0.086   283.31
2033.64    0.080   283.62
2033.74    0.074   283.97
2033.84    0.068   284.39
2033.94    0.062   284.89
2034.04    0.056   285.49
2034.14    0.050   286.25
2034.24    0.044   287.22
2034.34    0.037   288.50
2034.44    0.031   290.28
2034.54    0.025   292.91
2034.64    0.019   297.19
2034.74    0.014   305.19
2034.84    0.008   323.89
2034.94    0.006    11.58
2035.04    0.009    57.11
2035.14    0.014    74.63
2035.24    0.020    82.26
2035.34    0.026    86.38
2035.44    0.032    88.94
2035.54    0.038    90.68
2035.64    0.044    91.94
2035.74    0.050    92.89
2035.84    0.056    93.63
2035.94    0.062    94.23
2036.04    0.068    94.72
2036.14    0.074    95.13
2036.24    0.080    95.48
2036.34    0.086    95.78
2036.44    0.092    96.04
2036.54    0.098    96.27
2036.64    0.104    96.48
2036.74    0.110    96.66
2036.84    0.116    96.82
2036.94    0.122    96.97
2037.04    0.127    97.11
2037.14    0.133    97.23
2037.24    0.139    97.34
2037.34    0.144    97.45
2037.44    0.150    97.54
2037.54    0.156    97.63
2037.64    0.161    97.72
2037.74    0.167    97.79
2037.84    0.172    97.87
2037.94    0.177    97.94
2038.04    0.183    98.00
2038.14    0.188    98.06
2038.24    0.193    98.12
2038.34    0.198    98.17
2038.44    0.203    98.22
2038.54    0.208    98.27
2038.64    0.213    98.32
2038.74    0.218    98.37
2038.84    0.223    98.41
2038.94    0.227    98.45
2039.04    0.232    98.49
2039.14    0.237    98.53
2039.24    0.241    98.56
2039.34    0.246    98.60
2039.44    0.250    98.63
2039.54    0.254    98.67






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 16:53:26



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