Double Star Calculator - Orbit

Orbital Elements for HDS3306

WDS:	HDS3306	WDS ID/Discoverer
P:	35.600	Orbital period (years)
a:	0.107	Semi-major axis (arcseconds)
i:	135.7	Inclination (degrees)
Ω:	96.5	Longitude of ascending node (degrees)
T:	2011.190	Epoch of periastron passage (year)
e:	0.8	Eccentricity
ω:	219.2	Longitude of periastron (degrees)
Start-Year:	2007.2	Year
End-Year:	2042.8	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS3306
Position:	231230.01-234910.1	Epoch-2000 right ascension and declination
WDS-ID:	23125-2349	WDS designation
Discoverer Code:	HDS3306	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	218957	HD catalog number
Hipparcos number:	114568	Hipparcos catalog number
V1:	8.45	Magnitude of the primary
V2:	9.32	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2016	Date of last observation
Orbit grade:	5	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2017c	Reference

Double Star Orbit for HDS3306

WDS 6th Orbit including measures of HDS3306

-- 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 HDS3306

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.175    70.31
--------------------------
2007.20    0.074    22.38
2007.30    0.072    21.45
2007.40    0.071    20.49
2007.50    0.070    19.48
2007.60    0.068    18.44
2007.70    0.067    17.36
2007.80    0.066    16.23
2007.90    0.064    15.05
2008.00    0.063    13.82
2008.10    0.062    12.54
2008.20    0.060    11.20
2008.30    0.059     9.79
2008.40    0.057     8.32
2008.50    0.056     6.77
2008.60    0.055     5.15
2008.70    0.053     3.44
2008.80    0.052     1.63
2008.90    0.050   359.73
2009.00    0.049   357.72
2009.10    0.048   355.59
2009.20    0.046   353.34
2009.30    0.045   350.94
2009.40    0.044   348.40
2009.50    0.042   345.69
2009.60    0.041   342.80
2009.70    0.040   339.72
2009.80    0.038   336.42
2009.90    0.037   332.90
2010.00    0.036   329.12
2010.10    0.034   325.07
2010.20    0.033   320.71
2010.30    0.032   316.02
2010.40    0.031   310.95
2010.50    0.029   305.47
2010.60    0.028   299.49
2010.70    0.027   292.95
2010.80    0.025   285.70
2010.90    0.024   277.57
2011.00    0.022   268.30
2011.10    0.021   257.52
2011.20    0.019   244.87
2011.30    0.018   230.15
2011.40    0.017   213.81
2011.50    0.018   197.22
2011.60    0.019   182.02
2011.70    0.021   169.19
2011.80    0.023   158.84
2011.90    0.026   150.58
2012.00    0.029   143.95
2012.10    0.032   138.56
2012.20    0.035   134.09
2012.30    0.038   130.33
2012.40    0.041   127.12
2012.50    0.044   124.34
2012.60    0.047   121.90
2012.70    0.049   119.74
2012.80    0.052   117.80
2012.90    0.055   116.06
2013.00    0.057   114.47
2013.10    0.060   113.02
2013.20    0.062   111.68
2013.30    0.065   110.45
2013.40    0.067   109.30
2013.50    0.069   108.23
2013.60    0.072   107.22
2013.70    0.074   106.28
2013.80    0.076   105.39
2013.90    0.078   104.55
2014.00    0.080   103.75
2014.10    0.082   102.99
2014.20    0.084   102.27
2014.30    0.086   101.58
2014.40    0.088   100.92
2014.50    0.090   100.29
2014.60    0.091    99.68
2014.70    0.093    99.09
2014.80    0.095    98.53
2014.90    0.097    97.99
2015.00    0.098    97.47
2015.10    0.100    96.96
2015.20    0.101    96.47
2015.30    0.103    95.99
2015.40    0.105    95.53
2015.50    0.106    95.08
2015.60    0.108    94.65
2015.70    0.109    94.22
2015.80    0.110    93.81
2015.90    0.112    93.41
2016.00    0.113    93.02
2016.10    0.115    92.63
2016.20    0.116    92.26
2016.30    0.117    91.89
2016.40    0.119    91.54
2016.50    0.120    91.19
2016.60    0.121    90.85
2016.70    0.122    90.51
2016.80    0.124    90.18
2016.90    0.125    89.86
2017.00    0.126    89.54
2017.10    0.127    89.23
2017.20    0.128    88.93
2017.30    0.129    88.63
2017.40    0.130    88.33
2017.50    0.131    88.04
2017.60    0.132    87.75
2017.70    0.134    87.47
2017.80    0.135    87.20
2017.90    0.136    86.92
2018.00    0.136    86.65
2018.10    0.137    86.39
2018.20    0.138    86.13
2018.30    0.139    85.87
2018.40    0.140    85.62
2018.50    0.141    85.37
2018.60    0.142    85.12
2018.70    0.143    84.87
2018.80    0.144    84.63
2018.90    0.145    84.39
2019.00    0.145    84.15
2019.10    0.146    83.92
2019.20    0.147    83.69
2019.30    0.148    83.46
2019.40    0.149    83.23
2019.50    0.149    83.01
2019.60    0.150    82.79
2019.70    0.151    82.57
2019.80    0.152    82.35
2019.90    0.152    82.14
2020.00    0.153    81.92
2020.10    0.154    81.71
2020.20    0.154    81.50
2020.30    0.155    81.29
2020.40    0.156    81.09
2020.50    0.156    80.88
2020.60    0.157    80.68
2020.70    0.157    80.48
2020.80    0.158    80.28
2020.90    0.159    80.08
2021.00    0.159    79.88
2021.10    0.160    79.69
2021.20    0.160    79.49
2021.30    0.161    79.30
2021.40    0.161    79.11
2021.50    0.162    78.92
2021.60    0.162    78.73
2021.70    0.163    78.54
2021.80    0.163    78.35
2021.90    0.164    78.17
2022.00    0.164    77.98
2022.10    0.165    77.80
2022.20    0.165    77.61
2022.30    0.165    77.43
2022.40    0.166    77.25
2022.50    0.166    77.07
2022.60    0.167    76.89
2022.70    0.167    76.71
2022.80    0.167    76.53
2022.90    0.168    76.36
2023.00    0.168    76.18
2023.10    0.168    76.00
2023.20    0.169    75.83
2023.30    0.169    75.66
2023.40    0.169    75.48
2023.50    0.170    75.31
2023.60    0.170    75.14
2023.70    0.170    74.96
2023.80    0.171    74.79
2023.90    0.171    74.62
2024.00    0.171    74.45
2024.10    0.171    74.28
2024.20    0.172    74.11
2024.30    0.172    73.95
2024.40    0.172    73.78
2024.50    0.172    73.61
2024.60    0.172    73.44
2024.70    0.173    73.27
2024.80    0.173    73.11
2024.90    0.173    72.94
2025.00    0.173    72.78
2025.10    0.173    72.61
2025.20    0.173    72.44
2025.30    0.174    72.28
2025.40    0.174    72.11
2025.50    0.174    71.95
2025.60    0.174    71.79
2025.70    0.174    71.62
2025.80    0.174    71.46
2025.90    0.174    71.29
2026.00    0.174    71.13
2026.10    0.174    70.97
2026.20    0.174    70.80
2026.30    0.174    70.64
2026.40    0.175    70.48
2026.50    0.175    70.31
2026.60    0.175    70.15
2026.70    0.175    69.99
2026.80    0.175    69.82
2026.90    0.175    69.66
2027.00    0.175    69.50
2027.10    0.175    69.33
2027.20    0.175    69.17
2027.30    0.175    69.01
2027.40    0.174    68.84
2027.50    0.174    68.68
2027.60    0.174    68.52
2027.70    0.174    68.35
2027.80    0.174    68.19
2027.90    0.174    68.03
2028.00    0.174    67.86
2028.10    0.174    67.70
2028.20    0.174    67.53
2028.30    0.174    67.37
2028.40    0.174    67.20
2028.50    0.174    67.04
2028.60    0.173    66.87
2028.70    0.173    66.71
2028.80    0.173    66.54
2028.90    0.173    66.38
2029.00    0.173    66.21
2029.10    0.173    66.04
2029.20    0.172    65.88
2029.30    0.172    65.71
2029.40    0.172    65.54
2029.50    0.172    65.37
2029.60    0.172    65.21
2029.70    0.171    65.04
2029.80    0.171    64.87
2029.90    0.171    64.70
2030.00    0.171    64.53
2030.10    0.170    64.36
2030.20    0.170    64.19
2030.30    0.170    64.01
2030.40    0.170    63.84
2030.50    0.169    63.67
2030.60    0.169    63.49
2030.70    0.169    63.32
2030.80    0.169    63.15
2030.90    0.168    62.97
2031.00    0.168    62.79
2031.10    0.168    62.62
2031.20    0.167    62.44
2031.30    0.167    62.26
2031.40    0.167    62.08
2031.50    0.166    61.90
2031.60    0.166    61.72
2031.70    0.165    61.54
2031.80    0.165    61.36
2031.90    0.165    61.18
2032.00    0.164    60.99
2032.10    0.164    60.81
2032.20    0.163    60.62
2032.30    0.163    60.44
2032.40    0.163    60.25
2032.50    0.162    60.06
2032.60    0.162    59.87
2032.70    0.161    59.68
2032.80    0.161    59.49
2032.90    0.160    59.30
2033.00    0.160    59.10
2033.10    0.159    58.91
2033.20    0.159    58.71
2033.30    0.158    58.51
2033.40    0.158    58.32
2033.50    0.157    58.12
2033.60    0.157    57.91
2033.70    0.156    57.71
2033.80    0.156    57.51
2033.90    0.155    57.30
2034.00    0.155    57.10
2034.10    0.154    56.89
2034.20    0.154    56.68
2034.30    0.153    56.47
2034.40    0.153    56.25
2034.50    0.152    56.04
2034.60    0.151    55.82
2034.70    0.151    55.61
2034.80    0.150    55.39
2034.90    0.150    55.16
2035.00    0.149    54.94
2035.10    0.148    54.72
2035.20    0.148    54.49
2035.30    0.147    54.26
2035.40    0.146    54.03
2035.50    0.146    53.80
2035.60    0.145    53.56
2035.70    0.144    53.32
2035.80    0.144    53.08
2035.90    0.143    52.84
2036.00    0.142    52.60
2036.10    0.141    52.35
2036.20    0.141    52.10
2036.30    0.140    51.85
2036.40    0.139    51.59
2036.50    0.139    51.33
2036.60    0.138    51.07
2036.70    0.137    50.81
2036.80    0.136    50.54
2036.90    0.135    50.28
2037.00    0.135    50.00
2037.10    0.134    49.73
2037.20    0.133    49.45
2037.30    0.132    49.17
2037.40    0.131    48.88
2037.50    0.131    48.59
2037.60    0.130    48.30
2037.70    0.129    48.00
2037.80    0.128    47.70
2037.90    0.127    47.40
2038.00    0.126    47.09
2038.10    0.125    46.77
2038.20    0.125    46.45
2038.30    0.124    46.13
2038.40    0.123    45.80
2038.50    0.122    45.47
2038.60    0.121    45.14
2038.70    0.120    44.79
2038.80    0.119    44.44
2038.90    0.118    44.09
2039.00    0.117    43.73
2039.10    0.116    43.37
2039.20    0.115    43.00
2039.30    0.114    42.62
2039.40    0.113    42.23
2039.50    0.112    41.84
2039.60    0.111    41.44
2039.70    0.110    41.04
2039.80    0.109    40.62
2039.90    0.108    40.20
2040.00    0.107    39.77
2040.10    0.106    39.34
2040.20    0.105    38.89
2040.30    0.104    38.43
2040.40    0.103    37.97
2040.50    0.102    37.49
2040.60    0.101    37.00
2040.70    0.099    36.51
2040.80    0.098    36.00
2040.90    0.097    35.48
2041.00    0.096    34.94
2041.10    0.095    34.40
2041.20    0.094    33.84
2041.30    0.093    33.27
2041.40    0.091    32.68
2041.50    0.090    32.07
2041.60    0.089    31.45
2041.70    0.088    30.82
2041.80    0.086    30.16
2041.90    0.085    29.49
2042.00    0.084    28.79
2042.10    0.083    28.08
2042.20    0.082    27.34
2042.30    0.080    26.58
2042.40    0.079    25.80
2042.50    0.078    24.99
2042.60    0.076    24.15
2042.70    0.075    23.28

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 18:48:52