Double Star Calculator - Orbit

Orbital Elements for HDS3039

WDS:	HDS3039	WDS ID/Discoverer
P:	32.340	Orbital period (years)
a:	0.265	Semi-major axis (arcseconds)
i:	106.1	Inclination (degrees)
Ω:	200.7	Longitude of ascending node (degrees)
T:	2019.760	Epoch of periastron passage (year)
e:	0.39	Eccentricity
ω:	146.5	Longitude of periastron (degrees)
Start-Year:	2008.83	Year
End-Year:	2041.17	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS3039
Position:	212045.58-404834.2	Epoch-2000 right ascension and declination
WDS-ID:	21208-4049	WDS designation
Discoverer Code:	HDS3039	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	203006	HD catalog number
Hipparcos number:	105382	Hipparcos catalog number
V1:	4.93	Magnitude of the primary
V2:	7.42	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2019	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:	Tok2020g	Reference

Double Star Orbit for HDS3039

WDS 6th Orbit including measures of HDS3039

-- 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 HDS3039

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.079   305.11
--------------------------
2008.83    0.340   201.87
2008.93    0.339   201.69
2009.03    0.338   201.52
2009.13    0.337   201.34
2009.23    0.336   201.17
2009.33    0.335   200.99
2009.43    0.334   200.81
2009.53    0.333   200.63
2009.63    0.331   200.45
2009.73    0.330   200.27
2009.83    0.329   200.08
2009.93    0.327   199.90
2010.03    0.326   199.71
2010.13    0.324   199.52
2010.23    0.322   199.33
2010.33    0.321   199.14
2010.43    0.319   198.94
2010.53    0.317   198.74
2010.63    0.315   198.54
2010.73    0.313   198.34
2010.83    0.311   198.14
2010.93    0.309   197.93
2011.03    0.307   197.72
2011.13    0.305   197.51
2011.23    0.303   197.29
2011.33    0.300   197.07
2011.43    0.298   196.85
2011.53    0.295   196.62
2011.63    0.293   196.39
2011.73    0.290   196.16
2011.83    0.287   195.92
2011.93    0.285   195.67
2012.03    0.282   195.42
2012.13    0.279   195.17
2012.23    0.276   194.91
2012.33    0.273   194.65
2012.43    0.270   194.37
2012.53    0.267   194.10
2012.63    0.263   193.81
2012.73    0.260   193.52
2012.83    0.257   193.22
2012.93    0.253   192.92
2013.03    0.250   192.60
2013.13    0.246   192.27
2013.23    0.242   191.94
2013.33    0.238   191.59
2013.43    0.235   191.24
2013.53    0.231   190.87
2013.63    0.227   190.49
2013.73    0.223   190.09
2013.83    0.218   189.68
2013.93    0.214   189.25
2014.03    0.210   188.81
2014.13    0.206   188.35
2014.23    0.201   187.87
2014.33    0.197   187.36
2014.43    0.192   186.83
2014.53    0.187   186.28
2014.63    0.183   185.69
2014.73    0.178   185.08
2014.83    0.173   184.43
2014.93    0.168   183.74
2015.03    0.163   183.02
2015.13    0.158   182.24
2015.23    0.153   181.42
2015.33    0.148   180.53
2015.43    0.143   179.59
2015.53    0.137   178.57
2015.63    0.132   177.47
2015.73    0.127   176.28
2015.83    0.121   174.98
2015.93    0.116   173.57
2016.03    0.111   172.01
2016.13    0.105   170.31
2016.23    0.100   168.42
2016.33    0.095   166.32
2016.43    0.090   163.97
2016.53    0.085   161.34
2016.63    0.080   158.38
2016.73    0.075   155.04
2016.83    0.070   151.25
2016.93    0.066   146.95
2017.03    0.062   142.08
2017.13    0.059   136.60
2017.23    0.056   130.48
2017.33    0.053   123.77
2017.43    0.052   116.56
2017.53    0.051   109.03
2017.63    0.051   101.41
2017.73    0.052    93.94
2017.83    0.054    86.84
2017.93    0.056    80.27
2018.03    0.059    74.30
2018.13    0.063    68.96
2018.23    0.067    64.22
2018.33    0.071    60.03
2018.43    0.076    56.32
2018.53    0.080    53.04
2018.63    0.085    50.12
2018.73    0.090    47.52
2018.83    0.095    45.18
2018.93    0.100    43.08
2019.03    0.105    41.16
2019.13    0.109    39.42
2019.23    0.114    37.83
2019.33    0.119    36.35
2019.43    0.123    34.99
2019.53    0.128    33.72
2019.63    0.132    32.54
2019.73    0.136    31.42
2019.83    0.140    30.37
2019.93    0.143    29.38
2020.03    0.147    28.43
2020.13    0.150    27.52
2020.23    0.153    26.66
2020.33    0.156    25.82
2020.43    0.159    25.01
2020.53    0.161    24.23
2020.63    0.163    23.47
2020.73    0.165    22.73
2020.83    0.167    22.01
2020.93    0.168    21.30
2021.03    0.170    20.60
2021.13    0.171    19.91
2021.23    0.172    19.23
2021.33    0.172    18.56
2021.43    0.173    17.89
2021.53    0.173    17.22
2021.63    0.173    16.55
2021.73    0.173    15.88
2021.83    0.172    15.21
2021.93    0.172    14.54
2022.03    0.171    13.86
2022.13    0.170    13.18
2022.23    0.169    12.49
2022.33    0.168    11.79
2022.43    0.167    11.08
2022.53    0.165    10.35
2022.63    0.164     9.62
2022.73    0.162     8.86
2022.83    0.160     8.10
2022.93    0.158     7.31
2023.03    0.156     6.50
2023.13    0.154     5.68
2023.23    0.152     4.83
2023.33    0.150     3.95
2023.43    0.147     3.04
2023.53    0.145     2.11
2023.63    0.142     1.14
2023.73    0.140     0.14
2023.83    0.137   359.10
2023.93    0.135   358.02
2024.03    0.132   356.89
2024.13    0.129   355.72
2024.23    0.126   354.50
2024.33    0.124   353.22
2024.43    0.121   351.89
2024.53    0.118   350.50
2024.63    0.116   349.03
2024.73    0.113   347.50
2024.83    0.110   345.90
2024.93    0.108   344.21
2025.03    0.105   342.44
2025.13    0.102   340.58
2025.23    0.100   338.63
2025.33    0.098   336.58
2025.43    0.095   334.43
2025.53    0.093   332.18
2025.63    0.091   329.82
2025.73    0.089   327.35
2025.83    0.087   324.77
2025.93    0.085   322.09
2026.03    0.084   319.31
2026.13    0.083   316.43
2026.23    0.081   313.47
2026.33    0.081   310.42
2026.43    0.080   307.32
2026.53    0.079   304.16
2026.63    0.079   300.96
2026.73    0.079   297.75
2026.83    0.079   294.54
2026.93    0.079   291.36
2027.03    0.080   288.20
2027.13    0.081   285.10
2027.23    0.082   282.07
2027.33    0.083   279.12
2027.43    0.084   276.25
2027.53    0.086   273.49
2027.63    0.088   270.83
2027.73    0.089   268.28
2027.83    0.091   265.83
2027.93    0.094   263.50
2028.03    0.096   261.28
2028.13    0.098   259.16
2028.23    0.101   257.14
2028.33    0.103   255.23
2028.43    0.106   253.41
2028.53    0.109   251.68
2028.63    0.112   250.04
2028.73    0.115   248.48
2028.83    0.118   247.00
2028.93    0.121   245.59
2029.03    0.124   244.25
2029.13    0.127   242.98
2029.23    0.130   241.76
2029.33    0.133   240.61
2029.43    0.136   239.50
2029.53    0.139   238.45
2029.63    0.143   237.45
2029.73    0.146   236.49
2029.83    0.149   235.57
2029.93    0.152   234.69
2030.03    0.155   233.84
2030.13    0.159   233.03
2030.23    0.162   232.26
2030.33    0.165   231.51
2030.43    0.168   230.79
2030.53    0.172   230.10
2030.63    0.175   229.44
2030.73    0.178   228.80
2030.83    0.181   228.18
2030.93    0.185   227.58
2031.03    0.188   227.01
2031.13    0.191   226.45
2031.23    0.194   225.91
2031.33    0.197   225.39
2031.43    0.200   224.89
2031.53    0.203   224.40
2031.63    0.207   223.92
2031.73    0.210   223.46
2031.83    0.213   223.01
2031.93    0.216   222.58
2032.03    0.219   222.15
2032.13    0.222   221.74
2032.23    0.225   221.34
2032.33    0.228   220.95
2032.43    0.230   220.57
2032.53    0.233   220.20
2032.63    0.236   219.83
2032.73    0.239   219.48
2032.83    0.242   219.14
2032.93    0.245   218.80
2033.03    0.247   218.47
2033.13    0.250   218.14
2033.23    0.253   217.83
2033.33    0.255   217.52
2033.43    0.258   217.22
2033.53    0.261   216.92
2033.63    0.263   216.63
2033.73    0.266   216.34
2033.83    0.268   216.06
2033.93    0.271   215.79
2034.03    0.273   215.52
2034.13    0.275   215.25
2034.23    0.278   214.99
2034.33    0.280   214.73
2034.43    0.282   214.48
2034.53    0.285   214.23
2034.63    0.287   213.99
2034.73    0.289   213.75
2034.83    0.291   213.51
2034.93    0.293   213.28
2035.03    0.295   213.05
2035.13    0.297   212.82
2035.23    0.299   212.59
2035.33    0.301   212.37
2035.43    0.303   212.15
2035.53    0.305   211.94
2035.63    0.307   211.73
2035.73    0.309   211.51
2035.83    0.311   211.31
2035.93    0.312   211.10
2036.03    0.314   210.90
2036.13    0.316   210.70
2036.23    0.317   210.50
2036.33    0.319   210.30
2036.43    0.320   210.10
2036.53    0.322   209.91
2036.63    0.323   209.72
2036.73    0.325   209.53
2036.83    0.326   209.34
2036.93    0.327   209.15
2037.03    0.329   208.97
2037.13    0.330   208.78
2037.23    0.331   208.60
2037.33    0.332   208.42
2037.43    0.333   208.24
2037.53    0.334   208.06
2037.63    0.335   207.88
2037.73    0.336   207.70
2037.83    0.337   207.53
2037.93    0.338   207.35
2038.03    0.339   207.18
2038.13    0.340   207.01
2038.23    0.340   206.83
2038.33    0.341   206.66
2038.43    0.342   206.49
2038.53    0.342   206.32
2038.63    0.343   206.15
2038.73    0.343   205.98
2038.83    0.344   205.81
2038.93    0.344   205.64
2039.03    0.345   205.47
2039.13    0.345   205.31
2039.23    0.345   205.14
2039.33    0.345   204.97
2039.43    0.345   204.80
2039.53    0.346   204.64
2039.63    0.346   204.47
2039.73    0.346   204.30
2039.83    0.346   204.13
2039.93    0.345   203.97
2040.03    0.345   203.80
2040.13    0.345   203.63
2040.23    0.345   203.46
2040.33    0.345   203.30
2040.43    0.344   203.13
2040.53    0.344   202.96
2040.63    0.343   202.79
2040.73    0.343   202.62
2040.83    0.342   202.45
2040.93    0.341   202.28
2041.03    0.341   202.11
2041.13    0.340   201.94

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 18:25:09