Double Star Calculator - Orbit

Orbital Elements for HDS3346AB
WDS: HDS3346AB WDS ID/Discoverer
P: 48.500 Orbital period (years)
a: 0.121 Semi-major axis (arcseconds)
i: 80.8 Inclination (degrees)
Ω: 8.3 Longitude of ascending node (degrees)
T: 2020.440 Epoch of periastron passage (year)
e: 0.577 Eccentricity
ω: 241.8 Longitude of periastron (degrees)
Start-Year: 2000.75 Year
End-Year: 2049.25 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS3346AB
Position: 232935.97-400104.8 Epoch-2000 right ascension and declination
WDS-ID: 23296-4001 WDS designation
Discoverer Code: HDS3346AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 221138 HD catalog number
Hipparcos number: 115957 Hipparcos catalog number
V1: 8.99 Magnitude of the primary
V2: 10.18 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2023a Reference

Double Star Orbit for HDS3346AB



WDS 6th Orbit including measures of HDS3346AB

-- 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 HDS3346AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.105     7.64
--------------------------
2000.75    0.061    36.07
2000.85    0.060    36.46
2000.95    0.060    36.85
2001.05    0.059    37.26
2001.15    0.058    37.68
2001.25    0.057    38.10
2001.35    0.056    38.54
2001.45    0.056    38.99
2001.55    0.055    39.46
2001.65    0.054    39.93
2001.75    0.053    40.42
2001.85    0.053    40.93
2001.95    0.052    41.44
2002.05    0.051    41.98
2002.15    0.050    42.53
2002.25    0.050    43.09
2002.35    0.049    43.67
2002.45    0.048    44.27
2002.55    0.048    44.89
2002.65    0.047    45.53
2002.75    0.046    46.19
2002.85    0.045    46.87
2002.95    0.045    47.57
2003.05    0.044    48.30
2003.15    0.043    49.05
2003.25    0.042    49.82
2003.35    0.042    50.62
2003.45    0.041    51.45
2003.55    0.040    52.31
2003.65    0.040    53.19
2003.75    0.039    54.11
2003.85    0.038    55.05
2003.95    0.038    56.03
2004.05    0.037    57.05
2004.15    0.036    58.10
2004.25    0.036    59.19
2004.35    0.035    60.31
2004.45    0.035    61.48
2004.55    0.034    62.69
2004.65    0.033    63.93
2004.75    0.033    65.23
2004.85    0.032    66.56
2004.95    0.032    67.94
2005.05    0.031    69.37
2005.15    0.031    70.84
2005.25    0.030    72.36
2005.35    0.030    73.93
2005.45    0.029    75.54
2005.55    0.029    77.20
2005.65    0.029    78.91
2005.75    0.028    80.67
2005.85    0.028    82.46
2005.95    0.028    84.30
2006.05    0.027    86.18
2006.15    0.027    88.10
2006.25    0.027    90.05
2006.35    0.027    92.03
2006.45    0.027    94.04
2006.55    0.026    96.07
2006.65    0.026    98.12
2006.75    0.026   100.18
2006.85    0.026   102.25
2006.95    0.026   104.33
2007.05    0.026   106.40
2007.15    0.026   108.47
2007.25    0.026   110.52
2007.35    0.026   112.56
2007.45    0.027   114.58
2007.55    0.027   116.57
2007.65    0.027   118.53
2007.75    0.027   120.46
2007.85    0.028   122.35
2007.95    0.028   124.21
2008.05    0.028   126.02
2008.15    0.028   127.79
2008.25    0.029   129.51
2008.35    0.029   131.19
2008.45    0.030   132.83
2008.55    0.030   134.41
2008.65    0.031   135.95
2008.75    0.031   137.44
2008.85    0.032   138.89
2008.95    0.032   140.29
2009.05    0.033   141.65
2009.15    0.033   142.96
2009.25    0.034   144.23
2009.35    0.034   145.45
2009.45    0.035   146.64
2009.55    0.035   147.78
2009.65    0.036   148.89
2009.75    0.037   149.96
2009.85    0.037   151.00
2009.95    0.038   152.00
2010.05    0.039   152.97
2010.15    0.039   153.91
2010.25    0.040   154.81
2010.35    0.041   155.69
2010.45    0.041   156.54
2010.55    0.042   157.36
2010.65    0.043   158.16
2010.75    0.043   158.93
2010.85    0.044   159.67
2010.95    0.045   160.40
2011.05    0.045   161.10
2011.15    0.046   161.78
2011.25    0.047   162.45
2011.35    0.047   163.09
2011.45    0.048   163.71
2011.55    0.049   164.32
2011.65    0.049   164.91
2011.75    0.050   165.49
2011.85    0.051   166.04
2011.95    0.051   166.59
2012.05    0.052   167.12
2012.15    0.053   167.63
2012.25    0.053   168.14
2012.35    0.054   168.63
2012.45    0.055   169.11
2012.55    0.055   169.58
2012.65    0.056   170.03
2012.75    0.057   170.48
2012.85    0.057   170.92
2012.95    0.058   171.34
2013.05    0.059   171.76
2013.15    0.059   172.17
2013.25    0.060   172.57
2013.35    0.060   172.97
2013.45    0.061   173.35
2013.55    0.062   173.73
2013.65    0.062   174.10
2013.75    0.063   174.46
2013.85    0.063   174.82
2013.95    0.064   175.17
2014.05    0.064   175.52
2014.15    0.065   175.86
2014.25    0.065   176.20
2014.35    0.066   176.53
2014.45    0.066   176.85
2014.55    0.067   177.17
2014.65    0.067   177.49
2014.75    0.068   177.80
2014.85    0.068   178.11
2014.95    0.068   178.41
2015.05    0.069   178.72
2015.15    0.069   179.01
2015.25    0.069   179.31
2015.35    0.070   179.60
2015.45    0.070   179.89
2015.55    0.070   180.18
2015.65    0.071   180.47
2015.75    0.071   180.75
2015.85    0.071   181.03
2015.95    0.071   181.31
2016.05    0.071   181.59
2016.15    0.071   181.87
2016.25    0.071   182.15
2016.35    0.072   182.43
2016.45    0.072   182.71
2016.55    0.072   182.98
2016.65    0.071   183.26
2016.75    0.071   183.54
2016.85    0.071   183.82
2016.95    0.071   184.10
2017.05    0.071   184.38
2017.15    0.071   184.66
2017.25    0.070   184.95
2017.35    0.070   185.24
2017.45    0.069   185.53
2017.55    0.069   185.83
2017.65    0.068   186.13
2017.75    0.068   186.44
2017.85    0.067   186.75
2017.95    0.067   187.06
2018.05    0.066   187.39
2018.15    0.065   187.72
2018.25    0.064   188.06
2018.35    0.063   188.41
2018.45    0.062   188.77
2018.55    0.061   189.15
2018.65    0.060   189.54
2018.75    0.059   189.94
2018.85    0.057   190.37
2018.95    0.056   190.81
2019.05    0.054   191.28
2019.15    0.053   191.78
2019.25    0.051   192.31
2019.35    0.049   192.87
2019.45    0.047   193.48
2019.55    0.045   194.14
2019.65    0.043   194.86
2019.75    0.041   195.65
2019.85    0.039   196.52
2019.95    0.037   197.50
2020.05    0.035   198.60
2020.15    0.032   199.87
2020.25    0.030   201.34
2020.35    0.027   203.06
2020.45    0.025   205.13
2020.55    0.022   207.65
2020.65    0.020   210.81
2020.75    0.018   214.86
2020.85    0.015   220.20
2020.95    0.013   227.46
2021.05    0.011   237.53
2021.15    0.009   251.39
2021.25    0.009   269.11
2021.35    0.009   288.31
2021.45    0.010   305.27
2021.55    0.011   318.23
2021.65    0.013   327.58
2021.75    0.016   334.33
2021.85    0.018   339.33
2021.95    0.021   343.13
2022.05    0.023   346.11
2022.15    0.026   348.49
2022.25    0.028   350.44
2022.35    0.031   352.08
2022.45    0.033   353.46
2022.55    0.036   354.65
2022.65    0.038   355.68
2022.75    0.041   356.59
2022.85    0.043   357.40
2022.95    0.046   358.12
2023.05    0.048   358.77
2023.15    0.050   359.36
2023.25    0.052   359.91
2023.35    0.055     0.40
2023.45    0.057     0.86
2023.55    0.059     1.28
2023.65    0.061     1.68
2023.75    0.063     2.05
2023.85    0.065     2.39
2023.95    0.067     2.72
2024.05    0.069     3.03
2024.15    0.071     3.32
2024.25    0.073     3.59
2024.35    0.075     3.85
2024.45    0.076     4.10
2024.55    0.078     4.34
2024.65    0.080     4.57
2024.75    0.081     4.79
2024.85    0.083     5.00
2024.95    0.085     5.20
2025.05    0.086     5.40
2025.15    0.088     5.58
2025.25    0.089     5.76
2025.35    0.091     5.94
2025.45    0.092     6.11
2025.55    0.093     6.28
2025.65    0.095     6.44
2025.75    0.096     6.59
2025.85    0.097     6.74
2025.95    0.099     6.89
2026.05    0.100     7.03
2026.15    0.101     7.17
2026.25    0.102     7.31
2026.35    0.104     7.44
2026.45    0.105     7.57
2026.55    0.106     7.70
2026.65    0.107     7.83
2026.75    0.108     7.95
2026.85    0.109     8.07
2026.95    0.110     8.19
2027.05    0.111     8.31
2027.15    0.112     8.42
2027.25    0.113     8.53
2027.35    0.114     8.64
2027.45    0.115     8.75
2027.55    0.116     8.86
2027.65    0.116     8.96
2027.75    0.117     9.07
2027.85    0.118     9.17
2027.95    0.119     9.27
2028.05    0.120     9.37
2028.15    0.120     9.47
2028.25    0.121     9.57
2028.35    0.122     9.66
2028.45    0.123     9.76
2028.55    0.123     9.85
2028.65    0.124     9.94
2028.75    0.124    10.04
2028.85    0.125    10.13
2028.95    0.126    10.22
2029.05    0.126    10.31
2029.15    0.127    10.40
2029.25    0.127    10.48
2029.35    0.128    10.57
2029.45    0.128    10.66
2029.55    0.129    10.74
2029.65    0.129    10.83
2029.75    0.130    10.91
2029.85    0.130    11.00
2029.95    0.131    11.08
2030.05    0.131    11.16
2030.15    0.132    11.24
2030.25    0.132    11.33
2030.35    0.132    11.41
2030.45    0.133    11.49
2030.55    0.133    11.57
2030.65    0.133    11.65
2030.75    0.134    11.73
2030.85    0.134    11.81
2030.95    0.134    11.89
2031.05    0.135    11.96
2031.15    0.135    12.04
2031.25    0.135    12.12
2031.35    0.135    12.20
2031.45    0.136    12.28
2031.55    0.136    12.35
2031.65    0.136    12.43
2031.75    0.136    12.51
2031.85    0.136    12.58
2031.95    0.137    12.66
2032.05    0.137    12.73
2032.15    0.137    12.81
2032.25    0.137    12.89
2032.35    0.137    12.96
2032.45    0.137    13.04
2032.55    0.137    13.11
2032.65    0.137    13.19
2032.75    0.138    13.26
2032.85    0.138    13.34
2032.95    0.138    13.41
2033.05    0.138    13.49
2033.15    0.138    13.56
2033.25    0.138    13.64
2033.35    0.138    13.71
2033.45    0.138    13.79
2033.55    0.138    13.86
2033.65    0.138    13.94
2033.75    0.138    14.01
2033.85    0.138    14.09
2033.95    0.138    14.16
2034.05    0.138    14.24
2034.15    0.138    14.31
2034.25    0.138    14.39
2034.35    0.137    14.46
2034.45    0.137    14.54
2034.55    0.137    14.61
2034.65    0.137    14.69
2034.75    0.137    14.76
2034.85    0.137    14.84
2034.95    0.137    14.91
2035.05    0.137    14.99
2035.15    0.137    15.06
2035.25    0.136    15.14
2035.35    0.136    15.22
2035.45    0.136    15.29
2035.55    0.136    15.37
2035.65    0.136    15.45
2035.75    0.136    15.52
2035.85    0.135    15.60
2035.95    0.135    15.68
2036.05    0.135    15.76
2036.15    0.135    15.84
2036.25    0.134    15.91
2036.35    0.134    15.99
2036.45    0.134    16.07
2036.55    0.134    16.15
2036.65    0.133    16.23
2036.75    0.133    16.31
2036.85    0.133    16.39
2036.95    0.133    16.47
2037.05    0.132    16.55
2037.15    0.132    16.63
2037.25    0.132    16.71
2037.35    0.131    16.80
2037.45    0.131    16.88
2037.55    0.131    16.96
2037.65    0.131    17.04
2037.75    0.130    17.13
2037.85    0.130    17.21
2037.95    0.129    17.30
2038.05    0.129    17.38
2038.15    0.129    17.47
2038.25    0.128    17.55
2038.35    0.128    17.64
2038.45    0.128    17.73
2038.55    0.127    17.81
2038.65    0.127    17.90
2038.75    0.126    17.99
2038.85    0.126    18.08
2038.95    0.126    18.17
2039.05    0.125    18.26
2039.15    0.125    18.35
2039.25    0.124    18.44
2039.35    0.124    18.53
2039.45    0.124    18.62
2039.55    0.123    18.72
2039.65    0.123    18.81
2039.75    0.122    18.91
2039.85    0.122    19.00
2039.95    0.121    19.10
2040.05    0.121    19.19
2040.15    0.120    19.29
2040.25    0.120    19.39
2040.35    0.119    19.49
2040.45    0.119    19.59
2040.55    0.118    19.69
2040.65    0.118    19.79
2040.75    0.117    19.89
2040.85    0.117    20.00
2040.95    0.116    20.10
2041.05    0.116    20.21
2041.15    0.115    20.31
2041.25    0.115    20.42
2041.35    0.114    20.53
2041.45    0.114    20.64
2041.55    0.113    20.75
2041.65    0.113    20.86
2041.75    0.112    20.97
2041.85    0.112    21.08
2041.95    0.111    21.20
2042.05    0.110    21.31
2042.15    0.110    21.43
2042.25    0.109    21.55
2042.35    0.109    21.67
2042.45    0.108    21.79
2042.55    0.108    21.91
2042.65    0.107    22.03
2042.75    0.106    22.16
2042.85    0.106    22.29
2042.95    0.105    22.41
2043.05    0.105    22.54
2043.15    0.104    22.67
2043.25    0.103    22.80
2043.35    0.103    22.94
2043.45    0.102    23.07
2043.55    0.101    23.21
2043.65    0.101    23.35
2043.75    0.100    23.49
2043.85    0.100    23.63
2043.95    0.099    23.78
2044.05    0.098    23.92
2044.15    0.098    24.07
2044.25    0.097    24.22
2044.35    0.096    24.37
2044.45    0.096    24.53
2044.55    0.095    24.68
2044.65    0.094    24.84
2044.75    0.094    25.00
2044.85    0.093    25.16
2044.95    0.092    25.33
2045.05    0.092    25.50
2045.15    0.091    25.67
2045.25    0.090    25.84
2045.35    0.090    26.01
2045.45    0.089    26.19
2045.55    0.088    26.37
2045.65    0.088    26.56
2045.75    0.087    26.74
2045.85    0.086    26.93
2045.95    0.085    27.13
2046.05    0.085    27.32
2046.15    0.084    27.52
2046.25    0.083    27.72
2046.35    0.083    27.93
2046.45    0.082    28.14
2046.55    0.081    28.35
2046.65    0.080    28.57
2046.75    0.080    28.79
2046.85    0.079    29.02
2046.95    0.078    29.25
2047.05    0.078    29.48
2047.15    0.077    29.72
2047.25    0.076    29.96
2047.35    0.075    30.21
2047.45    0.075    30.46
2047.55    0.074    30.72
2047.65    0.073    30.98
2047.75    0.072    31.25
2047.85    0.072    31.53
2047.95    0.071    31.81
2048.05    0.070    32.09
2048.15    0.069    32.38
2048.25    0.069    32.68
2048.35    0.068    32.99
2048.45    0.067    33.30
2048.55    0.066    33.62
2048.65    0.066    33.94
2048.75    0.065    34.28
2048.85    0.064    34.62
2048.95    0.063    34.97
2049.05    0.063    35.33
2049.15    0.062    35.70






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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 18:51:12



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