Double Star Calculator - Orbit

Orbital Elements for YSC156

WDS:	YSC156	WDS ID/Discoverer
P:	31.300	Orbital period (years)
a:	0.1076	Semi-major axis (arcseconds)
i:	35.6	Inclination (degrees)
Ω:	25.4	Longitude of ascending node (degrees)
T:	2024.600	Epoch of periastron passage (year)
e:	0.299	Eccentricity
ω:	129.7	Longitude of periastron (degrees)
Start-Year:	2009.35	Year
End-Year:	2040.65	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for YSC156
Position:	165333.98-104512.2	Epoch-2000 right ascension and declination
WDS-ID:	16536-1045	WDS designation
Discoverer Code:	YSC156	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	152393	HD catalog number
Hipparcos number:	82642	Hipparcos catalog number
V1:	9.6	Magnitude of the primary
V2:	10.0	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2023	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:	Tok2024a	Reference

Double Star Orbit for YSC156

WDS 6th Orbit including measures of YSC156

-- 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 YSC156

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.080   197.66
--------------------------
2009.35    0.126   343.62
2009.45    0.126   344.27
2009.55    0.127   344.91
2009.65    0.127   345.56
2009.75    0.127   346.20
2009.85    0.127   346.84
2009.95    0.128   347.47
2010.05    0.128   348.10
2010.15    0.128   348.74
2010.25    0.128   349.37
2010.35    0.128   349.99
2010.45    0.129   350.62
2010.55    0.129   351.24
2010.65    0.129   351.87
2010.75    0.129   352.49
2010.85    0.129   353.10
2010.95    0.129   353.72
2011.05    0.130   354.34
2011.15    0.130   354.95
2011.25    0.130   355.57
2011.35    0.130   356.18
2011.45    0.130   356.79
2011.55    0.130   357.41
2011.65    0.130   358.02
2011.75    0.130   358.63
2011.85    0.130   359.24
2011.95    0.130   359.85
2012.05    0.130     0.45
2012.15    0.130     1.06
2012.25    0.130     1.67
2012.35    0.130     2.28
2012.45    0.130     2.89
2012.55    0.130     3.50
2012.65    0.130     4.11
2012.75    0.130     4.72
2012.85    0.130     5.33
2012.95    0.130     5.94
2013.05    0.130     6.55
2013.15    0.130     7.16
2013.25    0.130     7.78
2013.35    0.130     8.39
2013.45    0.129     9.01
2013.55    0.129     9.63
2013.65    0.129    10.24
2013.75    0.129    10.87
2013.85    0.129    11.49
2013.95    0.128    12.11
2014.05    0.128    12.74
2014.15    0.128    13.37
2014.25    0.128    14.00
2014.35    0.128    14.63
2014.45    0.127    15.27
2014.55    0.127    15.91
2014.65    0.127    16.55
2014.75    0.126    17.20
2014.85    0.126    17.85
2014.95    0.126    18.50
2015.05    0.125    19.16
2015.15    0.125    19.82
2015.25    0.124    20.49
2015.35    0.124    21.16
2015.45    0.124    21.83
2015.55    0.123    22.51
2015.65    0.123    23.19
2015.75    0.122    23.88
2015.85    0.122    24.58
2015.95    0.121    25.28
2016.05    0.121    25.98
2016.15    0.120    26.69
2016.25    0.120    27.41
2016.35    0.119    28.14
2016.45    0.118    28.87
2016.55    0.118    29.61
2016.65    0.117    30.36
2016.75    0.117    31.12
2016.85    0.116    31.88
2016.95    0.115    32.66
2017.05    0.115    33.44
2017.15    0.114    34.23
2017.25    0.113    35.04
2017.35    0.112    35.85
2017.45    0.112    36.67
2017.55    0.111    37.51
2017.65    0.110    38.35
2017.75    0.109    39.21
2017.85    0.108    40.08
2017.95    0.108    40.97
2018.05    0.107    41.87
2018.15    0.106    42.78
2018.25    0.105    43.71
2018.35    0.104    44.65
2018.45    0.103    45.61
2018.55    0.102    46.59
2018.65    0.101    47.58
2018.75    0.101    48.60
2018.85    0.100    49.63
2018.95    0.099    50.68
2019.05    0.098    51.76
2019.15    0.097    52.85
2019.25    0.096    53.97
2019.35    0.095    55.11
2019.45    0.094    56.28
2019.55    0.093    57.47
2019.65    0.092    58.69
2019.75    0.091    59.94
2019.85    0.089    61.21
2019.95    0.088    62.52
2020.05    0.087    63.85
2020.15    0.086    65.22
2020.25    0.085    66.62
2020.35    0.084    68.06
2020.45    0.083    69.54
2020.55    0.082    71.05
2020.65    0.081    72.60
2020.75    0.080    74.18
2020.85    0.079    75.81
2020.95    0.078    77.49
2021.05    0.077    79.20
2021.15    0.076    80.96
2021.25    0.075    82.76
2021.35    0.074    84.61
2021.45    0.073    86.51
2021.55    0.072    88.45
2021.65    0.072    90.45
2021.75    0.071    92.48
2021.85    0.070    94.57
2021.95    0.069    96.70
2022.05    0.069    98.88
2022.15    0.068   101.10
2022.25    0.067   103.37
2022.35    0.067   105.67
2022.45    0.066   108.02
2022.55    0.066   110.40
2022.65    0.065   112.82
2022.75    0.065   115.27
2022.85    0.064   117.74
2022.95    0.064   120.24
2023.05    0.064   122.76
2023.15    0.064   125.29
2023.25    0.064   127.83
2023.35    0.064   130.37
2023.45    0.064   132.92
2023.55    0.064   135.47
2023.65    0.064   138.00
2023.75    0.064   140.52
2023.85    0.064   143.03
2023.95    0.065   145.52
2024.05    0.065   147.98
2024.15    0.065   150.42
2024.25    0.066   152.83
2024.35    0.066   155.20
2024.45    0.067   157.55
2024.55    0.067   159.86
2024.65    0.068   162.13
2024.75    0.068   164.36
2024.85    0.069   166.56
2024.95    0.069   168.72
2025.05    0.070   170.84
2025.15    0.071   172.92
2025.25    0.071   174.96
2025.35    0.072   176.97
2025.45    0.073   178.94
2025.55    0.073   180.87
2025.65    0.074   182.77
2025.75    0.075   184.64
2025.85    0.075   186.47
2025.95    0.076   188.27
2026.05    0.077   190.04
2026.15    0.077   191.78
2026.25    0.078   193.49
2026.35    0.079   195.18
2026.45    0.079   196.84
2026.55    0.080   198.47
2026.65    0.080   200.08
2026.75    0.081   201.67
2026.85    0.082   203.23
2026.95    0.082   204.78
2027.05    0.083   206.30
2027.15    0.083   207.81
2027.25    0.084   209.30
2027.35    0.084   210.77
2027.45    0.084   212.22
2027.55    0.085   213.66
2027.65    0.085   215.09
2027.75    0.086   216.50
2027.85    0.086   217.90
2027.95    0.087   219.28
2028.05    0.087   220.66
2028.15    0.087   222.02
2028.25    0.088   223.37
2028.35    0.088   224.71
2028.45    0.088   226.04
2028.55    0.089   227.36
2028.65    0.089   228.68
2028.75    0.089   229.98
2028.85    0.089   231.28
2028.95    0.090   232.57
2029.05    0.090   233.85
2029.15    0.090   235.13
2029.25    0.090   236.39
2029.35    0.091   237.65
2029.45    0.091   238.91
2029.55    0.091   240.16
2029.65    0.091   241.40
2029.75    0.092   242.64
2029.85    0.092   243.87
2029.95    0.092   245.09
2030.05    0.092   246.31
2030.15    0.092   247.53
2030.25    0.093   248.74
2030.35    0.093   249.94
2030.45    0.093   251.14
2030.55    0.093   252.33
2030.65    0.093   253.52
2030.75    0.094   254.71
2030.85    0.094   255.89
2030.95    0.094   257.06
2031.05    0.094   258.23
2031.15    0.094   259.39
2031.25    0.095   260.55
2031.35    0.095   261.71
2031.45    0.095   262.86
2031.55    0.095   264.00
2031.65    0.095   265.14
2031.75    0.096   266.27
2031.85    0.096   267.40
2031.95    0.096   268.53
2032.05    0.096   269.64
2032.15    0.096   270.76
2032.25    0.097   271.86
2032.35    0.097   272.97
2032.45    0.097   274.06
2032.55    0.097   275.15
2032.65    0.098   276.24
2032.75    0.098   277.32
2032.85    0.098   278.39
2032.95    0.099   279.46
2033.05    0.099   280.52
2033.15    0.099   281.57
2033.25    0.099   282.62
2033.35    0.100   283.67
2033.45    0.100   284.70
2033.55    0.100   285.73
2033.65    0.101   286.76
2033.75    0.101   287.78
2033.85    0.101   288.79
2033.95    0.102   289.79
2034.05    0.102   290.79
2034.15    0.102   291.78
2034.25    0.103   292.77
2034.35    0.103   293.75
2034.45    0.103   294.72
2034.55    0.104   295.69
2034.65    0.104   296.65
2034.75    0.104   297.60
2034.85    0.105   298.55
2034.95    0.105   299.49
2035.05    0.105   300.42
2035.15    0.106   301.35
2035.25    0.106   302.27
2035.35    0.107   303.18
2035.45    0.107   304.09
2035.55    0.107   304.99
2035.65    0.108   305.89
2035.75    0.108   306.77
2035.85    0.108   307.66
2035.95    0.109   308.53
2036.05    0.109   309.40
2036.15    0.110   310.26
2036.25    0.110   311.12
2036.35    0.110   311.97
2036.45    0.111   312.81
2036.55    0.111   313.65
2036.65    0.112   314.48
2036.75    0.112   315.31
2036.85    0.112   316.13
2036.95    0.113   316.94
2037.05    0.113   317.75
2037.15    0.114   318.55
2037.25    0.114   319.35
2037.35    0.114   320.14
2037.45    0.115   320.93
2037.55    0.115   321.71
2037.65    0.116   322.48
2037.75    0.116   323.25
2037.85    0.116   324.02
2037.95    0.117   324.77
2038.05    0.117   325.53
2038.15    0.118   326.28
2038.25    0.118   327.02
2038.35    0.118   327.76
2038.45    0.119   328.50
2038.55    0.119   329.23
2038.65    0.120   329.95
2038.75    0.120   330.67
2038.85    0.120   331.39
2038.95    0.121   332.10
2039.05    0.121   332.81
2039.15    0.121   333.51
2039.25    0.122   334.21
2039.35    0.122   334.90
2039.45    0.122   335.60
2039.55    0.123   336.28
2039.65    0.123   336.97
2039.75    0.123   337.65
2039.85    0.124   338.32
2039.95    0.124   339.00
2040.05    0.124   339.67
2040.15    0.125   340.33
2040.25    0.125   341.00
2040.35    0.125   341.66
2040.45    0.126   342.31
2040.55    0.126   342.97
2040.65    0.126   343.62

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 17:31:44