Double Star Calculator - Orbit

Orbital Elements for HDS2919
WDS: HDS2919 WDS ID/Discoverer
P: 44.880 Orbital period (years)
a: 0.265 Semi-major axis (arcseconds)
i: 53.6 Inclination (degrees)
Ω: 74.2 Longitude of ascending node (degrees)
T: 2020.990 Epoch of periastron passage (year)
e: 0.625 Eccentricity
ω: 183.5 Longitude of periastron (degrees)
Start-Year: 2002.56 Year
End-Year: 2047.44 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS2919
Position: 202446.66-194235.9 Epoch-2000 right ascension and declination
WDS-ID: 20248-1943 WDS designation
Discoverer Code: HDS2919 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 194169 HD catalog number
Hipparcos number: 100685 Hipparcos catalog number
V1: 9.93 Magnitude of the primary
V2: 10.72 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2021 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: Tok2021c Reference

Double Star Orbit for HDS2919



WDS 6th Orbit including measures of HDS2919

-- 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 HDS2919
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.174    32.20
--------------------------
2002.56    0.414    82.10
2002.66    0.413    82.25
2002.76    0.412    82.40
2002.86    0.411    82.56
2002.96    0.410    82.71
2003.06    0.410    82.87
2003.16    0.409    83.02
2003.26    0.408    83.18
2003.36    0.407    83.34
2003.46    0.406    83.50
2003.56    0.405    83.65
2003.66    0.404    83.81
2003.76    0.403    83.97
2003.86    0.402    84.13
2003.96    0.401    84.30
2004.06    0.400    84.46
2004.16    0.399    84.62
2004.26    0.398    84.79
2004.36    0.397    84.95
2004.46    0.396    85.12
2004.56    0.395    85.28
2004.66    0.394    85.45
2004.76    0.393    85.62
2004.86    0.392    85.79
2004.96    0.390    85.96
2005.06    0.389    86.13
2005.16    0.388    86.31
2005.26    0.387    86.48
2005.36    0.386    86.65
2005.46    0.384    86.83
2005.56    0.383    87.01
2005.66    0.382    87.19
2005.76    0.380    87.37
2005.86    0.379    87.55
2005.96    0.378    87.73
2006.06    0.376    87.91
2006.16    0.375    88.10
2006.26    0.374    88.28
2006.36    0.372    88.47
2006.46    0.371    88.66
2006.56    0.369    88.85
2006.66    0.368    89.04
2006.76    0.366    89.24
2006.86    0.365    89.43
2006.96    0.363    89.63
2007.06    0.362    89.83
2007.16    0.360    90.03
2007.26    0.358    90.23
2007.36    0.357    90.44
2007.46    0.355    90.64
2007.56    0.354    90.85
2007.66    0.352    91.06
2007.76    0.350    91.27
2007.86    0.348    91.48
2007.96    0.347    91.70
2008.06    0.345    91.92
2008.16    0.343    92.14
2008.26    0.341    92.36
2008.36    0.340    92.59
2008.46    0.338    92.81
2008.56    0.336    93.04
2008.66    0.334    93.28
2008.76    0.332    93.51
2008.86    0.330    93.75
2008.96    0.328    93.99
2009.06    0.327    94.23
2009.16    0.325    94.48
2009.26    0.323    94.73
2009.36    0.321    94.98
2009.46    0.319    95.24
2009.56    0.317    95.49
2009.66    0.314    95.76
2009.76    0.312    96.02
2009.86    0.310    96.29
2009.96    0.308    96.56
2010.06    0.306    96.84
2010.16    0.304    97.12
2010.26    0.302    97.41
2010.36    0.300    97.69
2010.46    0.297    97.99
2010.56    0.295    98.29
2010.66    0.293    98.59
2010.76    0.291    98.89
2010.86    0.288    99.21
2010.96    0.286    99.52
2011.06    0.284    99.84
2011.16    0.281   100.17
2011.26    0.279   100.50
2011.36    0.277   100.84
2011.46    0.274   101.19
2011.56    0.272   101.54
2011.66    0.269   101.89
2011.76    0.267   102.26
2011.86    0.264   102.63
2011.96    0.262   103.00
2012.06    0.259   103.39
2012.16    0.257   103.78
2012.26    0.254   104.18
2012.36    0.251   104.59
2012.46    0.249   105.01
2012.56    0.246   105.43
2012.66    0.244   105.87
2012.76    0.241   106.31
2012.86    0.238   106.77
2012.96    0.236   107.23
2013.06    0.233   107.71
2013.16    0.230   108.19
2013.26    0.227   108.69
2013.36    0.225   109.20
2013.46    0.222   109.73
2013.56    0.219   110.27
2013.66    0.216   110.82
2013.76    0.213   111.38
2013.86    0.210   111.96
2013.96    0.208   112.56
2014.06    0.205   113.18
2014.16    0.202   113.81
2014.26    0.199   114.46
2014.36    0.196   115.13
2014.46    0.193   115.82
2014.56    0.190   116.53
2014.66    0.187   117.27
2014.76    0.184   118.02
2014.86    0.181   118.81
2014.96    0.178   119.61
2015.06    0.175   120.45
2015.16    0.172   121.32
2015.26    0.169   122.21
2015.36    0.166   123.14
2015.46    0.163   124.11
2015.56    0.160   125.11
2015.66    0.157   126.14
2015.76    0.154   127.22
2015.86    0.151   128.34
2015.96    0.148   129.51
2016.06    0.145   130.72
2016.16    0.142   131.98
2016.26    0.139   133.30
2016.36    0.136   134.67
2016.46    0.134   136.10
2016.56    0.131   137.60
2016.66    0.128   139.16
2016.76    0.125   140.79
2016.86    0.123   142.49
2016.96    0.120   144.26
2017.06    0.117   146.12
2017.16    0.115   148.06
2017.26    0.112   150.09
2017.36    0.110   152.20
2017.46    0.108   154.40
2017.56    0.105   156.70
2017.66    0.103   159.09
2017.76    0.101   161.58
2017.86    0.100   164.16
2017.96    0.098   166.83
2018.06    0.096   169.60
2018.16    0.095   172.45
2018.26    0.094   175.38
2018.36    0.093   178.38
2018.46    0.092   181.45
2018.56    0.091   184.58
2018.66    0.090   187.75
2018.76    0.090   190.96
2018.86    0.090   194.19
2018.96    0.090   197.43
2019.06    0.090   200.67
2019.16    0.090   203.90
2019.26    0.090   207.11
2019.36    0.091   210.29
2019.46    0.091   213.43
2019.56    0.092   216.53
2019.66    0.093   219.59
2019.76    0.094   222.59
2019.86    0.094   225.54
2019.96    0.095   228.44
2020.06    0.096   231.29
2020.16    0.097   234.09
2020.26    0.098   236.85
2020.36    0.098   239.57
2020.46    0.099   242.26
2020.56    0.099   244.93
2020.66    0.099   247.58
2020.76    0.100   250.21
2020.86    0.100   252.85
2020.96    0.099   255.48
2021.06    0.099   258.14
2021.16    0.099   260.81
2021.26    0.098   263.52
2021.36    0.097   266.26
2021.46    0.096   269.05
2021.56    0.095   271.90
2021.66    0.094   274.81
2021.76    0.093   277.79
2021.86    0.092   280.84
2021.96    0.091   283.97
2022.06    0.090   287.17
2022.16    0.089   290.46
2022.26    0.088   293.82
2022.36    0.087   297.26
2022.46    0.086   300.76
2022.56    0.085   304.32
2022.66    0.085   307.93
2022.76    0.085   311.56
2022.86    0.085   315.21
2022.96    0.085   318.86
2023.06    0.085   322.49
2023.16    0.086   326.07
2023.26    0.086   329.60
2023.36    0.087   333.06
2023.46    0.089   336.44
2023.56    0.090   339.71
2023.66    0.092   342.88
2023.76    0.093   345.93
2023.86    0.095   348.87
2023.96    0.097   351.68
2024.06    0.100   354.37
2024.16    0.102   356.94
2024.26    0.104   359.39
2024.36    0.107     1.73
2024.46    0.110     3.95
2024.56    0.113     6.06
2024.66    0.115     8.07
2024.76    0.118     9.98
2024.86    0.121    11.80
2024.96    0.124    13.53
2025.06    0.127    15.18
2025.16    0.130    16.75
2025.26    0.134    18.25
2025.36    0.137    19.67
2025.46    0.140    21.04
2025.56    0.143    22.34
2025.66    0.146    23.58
2025.76    0.150    24.77
2025.86    0.153    25.91
2025.96    0.156    27.00
2026.06    0.159    28.05
2026.16    0.163    29.06
2026.26    0.166    30.03
2026.36    0.169    30.96
2026.46    0.172    31.85
2026.56    0.176    32.71
2026.66    0.179    33.54
2026.76    0.182    34.35
2026.86    0.185    35.12
2026.96    0.188    35.87
2027.06    0.192    36.59
2027.16    0.195    37.29
2027.26    0.198    37.97
2027.36    0.201    38.63
2027.46    0.204    39.26
2027.56    0.207    39.88
2027.66    0.210    40.48
2027.76    0.213    41.06
2027.86    0.216    41.63
2027.96    0.219    42.18
2028.06    0.222    42.72
2028.16    0.225    43.24
2028.26    0.228    43.75
2028.36    0.231    44.24
2028.46    0.234    44.73
2028.56    0.237    45.20
2028.66    0.239    45.66
2028.76    0.242    46.11
2028.86    0.245    46.55
2028.96    0.248    46.98
2029.06    0.251    47.40
2029.16    0.253    47.81
2029.26    0.256    48.21
2029.36    0.259    48.60
2029.46    0.261    48.99
2029.56    0.264    49.37
2029.66    0.267    49.74
2029.76    0.269    50.10
2029.86    0.272    50.46
2029.96    0.274    50.81
2030.06    0.277    51.15
2030.16    0.279    51.49
2030.26    0.282    51.82
2030.36    0.284    52.15
2030.46    0.287    52.47
2030.56    0.289    52.78
2030.66    0.291    53.09
2030.76    0.294    53.40
2030.86    0.296    53.70
2030.96    0.298    53.99
2031.06    0.301    54.28
2031.16    0.303    54.57
2031.26    0.305    54.85
2031.36    0.307    55.13
2031.46    0.310    55.40
2031.56    0.312    55.67
2031.66    0.314    55.94
2031.76    0.316    56.20
2031.86    0.318    56.46
2031.96    0.320    56.72
2032.06    0.322    56.97
2032.16    0.324    57.22
2032.26    0.326    57.47
2032.36    0.328    57.71
2032.46    0.330    57.95
2032.56    0.332    58.19
2032.66    0.334    58.42
2032.76    0.336    58.66
2032.86    0.338    58.89
2032.96    0.340    59.11
2033.06    0.342    59.34
2033.16    0.344    59.56
2033.26    0.346    59.78
2033.36    0.347    60.00
2033.46    0.349    60.21
2033.56    0.351    60.42
2033.66    0.353    60.64
2033.76    0.354    60.84
2033.86    0.356    61.05
2033.96    0.358    61.26
2034.06    0.359    61.46
2034.16    0.361    61.66
2034.26    0.362    61.86
2034.36    0.364    62.06
2034.46    0.366    62.25
2034.56    0.367    62.45
2034.66    0.369    62.64
2034.76    0.370    62.83
2034.86    0.372    63.02
2034.96    0.373    63.21
2035.06    0.375    63.40
2035.16    0.376    63.58
2035.26    0.377    63.77
2035.36    0.379    63.95
2035.46    0.380    64.13
2035.56    0.382    64.31
2035.66    0.383    64.49
2035.76    0.384    64.66
2035.86    0.385    64.84
2035.96    0.387    65.02
2036.06    0.388    65.19
2036.16    0.389    65.36
2036.26    0.390    65.53
2036.36    0.392    65.71
2036.46    0.393    65.88
2036.56    0.394    66.04
2036.66    0.395    66.21
2036.76    0.396    66.38
2036.86    0.397    66.54
2036.96    0.398    66.71
2037.06    0.399    66.87
2037.16    0.400    67.04
2037.26    0.401    67.20
2037.36    0.402    67.36
2037.46    0.403    67.52
2037.56    0.404    67.68
2037.66    0.405    67.84
2037.76    0.406    68.00
2037.86    0.407    68.16
2037.96    0.408    68.31
2038.06    0.409    68.47
2038.16    0.410    68.62
2038.26    0.411    68.78
2038.36    0.412    68.93
2038.46    0.412    69.09
2038.56    0.413    69.24
2038.66    0.414    69.39
2038.76    0.415    69.55
2038.86    0.415    69.70
2038.96    0.416    69.85
2039.06    0.417    70.00
2039.16    0.417    70.15
2039.26    0.418    70.30
2039.36    0.419    70.45
2039.46    0.419    70.60
2039.56    0.420    70.74
2039.66    0.421    70.89
2039.76    0.421    71.04
2039.86    0.422    71.19
2039.96    0.422    71.33
2040.06    0.423    71.48
2040.16    0.423    71.62
2040.26    0.424    71.77
2040.36    0.424    71.92
2040.46    0.425    72.06
2040.56    0.425    72.20
2040.66    0.425    72.35
2040.76    0.426    72.49
2040.86    0.426    72.64
2040.96    0.427    72.78
2041.06    0.427    72.92
2041.16    0.427    73.07
2041.26    0.428    73.21
2041.36    0.428    73.35
2041.46    0.428    73.49
2041.56    0.428    73.64
2041.66    0.429    73.78
2041.76    0.429    73.92
2041.86    0.429    74.06
2041.96    0.429    74.20
2042.06    0.429    74.35
2042.16    0.430    74.49
2042.26    0.430    74.63
2042.36    0.430    74.77
2042.46    0.430    74.91
2042.56    0.430    75.05
2042.66    0.430    75.19
2042.76    0.430    75.33
2042.86    0.430    75.48
2042.96    0.430    75.62
2043.06    0.430    75.76
2043.16    0.430    75.90
2043.26    0.430    76.04
2043.36    0.430    76.18
2043.46    0.430    76.32
2043.56    0.430    76.46
2043.66    0.430    76.60
2043.76    0.430    76.74
2043.86    0.430    76.89
2043.96    0.429    77.03
2044.06    0.429    77.17
2044.16    0.429    77.31
2044.26    0.429    77.45
2044.36    0.429    77.59
2044.46    0.428    77.74
2044.56    0.428    77.88
2044.66    0.428    78.02
2044.76    0.428    78.16
2044.86    0.427    78.31
2044.96    0.427    78.45
2045.06    0.427    78.59
2045.16    0.426    78.74
2045.26    0.426    78.88
2045.36    0.426    79.02
2045.46    0.425    79.17
2045.56    0.425    79.31
2045.66    0.424    79.46
2045.76    0.424    79.60
2045.86    0.423    79.75
2045.96    0.423    79.89
2046.06    0.422    80.04
2046.16    0.422    80.19
2046.26    0.421    80.33
2046.36    0.421    80.48
2046.46    0.420    80.63
2046.56    0.420    80.78
2046.66    0.419    80.92
2046.76    0.418    81.07
2046.86    0.418    81.22
2046.96    0.417    81.37
2047.06    0.416    81.52
2047.16    0.416    81.67
2047.26    0.415    81.82
2047.36    0.414    81.98






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 18:14:57



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