Double Star Calculator - Orbit

Orbital Elements for HDS2222

WDS:	HDS2222	WDS ID/Discoverer
P:	31.926	Orbital period (years)
a:	0.0848	Semi-major axis (arcseconds)
i:	57.9	Inclination (degrees)
Ω:	65.5	Longitude of ascending node (degrees)
T:	2011.375	Epoch of periastron passage (year)
e:	0.488	Eccentricity
ω:	54.2	Longitude of periastron (degrees)
Start-Year:	2009.037	Year
End-Year:	2040.963	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS2222
Position:	154702.15+414311.0	Epoch-2000 right ascension and declination
WDS-ID:	15470+4143	WDS designation
Discoverer Code:	HDS2222	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	141347	HD catalog number
Hipparcos number:	77312	Hipparcos catalog number
V1:	8.76	Magnitude of the primary
V2:	9.34	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2012	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:	Cve2017b	Reference

Double Star Orbit for HDS2222

WDS 6th Orbit including measures of HDS2222

-- 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 HDS2222

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.095   278.28
--------------------------
2009.04    0.054    55.40
2009.14    0.054    56.68
2009.24    0.054    57.99
2009.34    0.053    59.31
2009.44    0.052    60.66
2009.54    0.052    62.04
2009.64    0.051    63.46
2009.74    0.051    64.91
2009.84    0.050    66.40
2009.94    0.049    67.94
2010.04    0.048    69.54
2010.14    0.047    71.20
2010.24    0.046    72.93
2010.34    0.045    74.74
2010.44    0.044    76.63
2010.54    0.043    78.64
2010.64    0.042    80.75
2010.74    0.040    83.00
2010.84    0.039    85.40
2010.94    0.038    87.97
2011.04    0.036    90.74
2011.14    0.035    93.73
2011.24    0.033    96.96
2011.34    0.032   100.47
2011.44    0.031   104.29
2011.54    0.029   108.44
2011.64    0.028   112.96
2011.74    0.027   117.85
2011.84    0.026   123.12
2011.94    0.026   128.74
2012.04    0.025   134.66
2012.14    0.025   140.81
2012.24    0.024   147.10
2012.34    0.025   153.39
2012.44    0.025   159.58
2012.54    0.025   165.55
2012.64    0.026   171.22
2012.74    0.027   176.54
2012.84    0.028   181.47
2012.94    0.029   186.01
2013.04    0.031   190.17
2013.14    0.032   193.96
2013.24    0.034   197.42
2013.34    0.035   200.58
2013.44    0.037   203.46
2013.54    0.039   206.10
2013.64    0.040   208.53
2013.74    0.042   210.76
2013.84    0.044   212.81
2013.94    0.045   214.72
2014.04    0.047   216.49
2014.14    0.049   218.13
2014.24    0.050   219.67
2014.34    0.052   221.11
2014.44    0.054   222.47
2014.54    0.055   223.74
2014.64    0.057   224.95
2014.74    0.058   226.09
2014.84    0.060   227.17
2014.94    0.061   228.20
2015.04    0.063   229.18
2015.14    0.064   230.12
2015.24    0.065   231.01
2015.34    0.067   231.87
2015.44    0.068   232.70
2015.54    0.070   233.49
2015.64    0.071   234.25
2015.74    0.072   234.99
2015.84    0.073   235.70
2015.94    0.074   236.39
2016.04    0.076   237.06
2016.14    0.077   237.71
2016.24    0.078   238.33
2016.34    0.079   238.95
2016.44    0.080   239.54
2016.54    0.081   240.12
2016.64    0.082   240.68
2016.74    0.083   241.24
2016.84    0.084   241.78
2016.94    0.085   242.30
2017.04    0.086   242.82
2017.14    0.087   243.32
2017.24    0.088   243.82
2017.34    0.088   244.30
2017.44    0.089   244.78
2017.54    0.090   245.25
2017.64    0.091   245.71
2017.74    0.091   246.16
2017.84    0.092   246.61
2017.94    0.093   247.05
2018.04    0.094   247.48
2018.14    0.094   247.91
2018.24    0.095   248.33
2018.34    0.095   248.74
2018.44    0.096   249.15
2018.54    0.097   249.56
2018.64    0.097   249.96
2018.74    0.098   250.36
2018.84    0.098   250.75
2018.94    0.099   251.14
2019.04    0.099   251.52
2019.14    0.100   251.90
2019.24    0.100   252.28
2019.34    0.100   252.65
2019.44    0.101   253.03
2019.54    0.101   253.40
2019.64    0.102   253.76
2019.74    0.102   254.13
2019.84    0.102   254.49
2019.94    0.102   254.85
2020.04    0.103   255.20
2020.14    0.103   255.56
2020.24    0.103   255.91
2020.34    0.104   256.26
2020.44    0.104   256.61
2020.54    0.104   256.96
2020.64    0.104   257.31
2020.74    0.104   257.65
2020.84    0.105   258.00
2020.94    0.105   258.34
2021.04    0.105   258.68
2021.14    0.105   259.03
2021.24    0.105   259.37
2021.34    0.105   259.71
2021.44    0.105   260.05
2021.54    0.105   260.39
2021.64    0.105   260.73
2021.74    0.105   261.06
2021.84    0.105   261.40
2021.94    0.105   261.74
2022.04    0.105   262.08
2022.14    0.105   262.42
2022.24    0.105   262.75
2022.34    0.105   263.09
2022.44    0.105   263.43
2022.54    0.105   263.77
2022.64    0.105   264.11
2022.74    0.105   264.45
2022.84    0.105   264.79
2022.94    0.105   265.13
2023.04    0.105   265.47
2023.14    0.105   265.81
2023.24    0.105   266.16
2023.34    0.104   266.50
2023.44    0.104   266.85
2023.54    0.104   267.19
2023.64    0.104   267.54
2023.74    0.104   267.89
2023.84    0.104   268.24
2023.94    0.103   268.59
2024.04    0.103   268.94
2024.14    0.103   269.29
2024.24    0.103   269.65
2024.34    0.103   270.01
2024.44    0.102   270.36
2024.54    0.102   270.73
2024.64    0.102   271.09
2024.74    0.101   271.45
2024.84    0.101   271.82
2024.94    0.101   272.19
2025.04    0.101   272.56
2025.14    0.100   272.93
2025.24    0.100   273.30
2025.34    0.100   273.68
2025.44    0.099   274.06
2025.54    0.099   274.45
2025.64    0.099   274.83
2025.74    0.098   275.22
2025.84    0.098   275.61
2025.94    0.098   276.00
2026.04    0.097   276.40
2026.14    0.097   276.80
2026.24    0.096   277.20
2026.34    0.096   277.61
2026.44    0.096   278.02
2026.54    0.095   278.43
2026.64    0.095   278.85
2026.74    0.094   279.27
2026.84    0.094   279.70
2026.94    0.093   280.12
2027.04    0.093   280.56
2027.14    0.093   280.99
2027.24    0.092   281.43
2027.34    0.092   281.88
2027.44    0.091   282.33
2027.54    0.091   282.78
2027.64    0.090   283.24
2027.74    0.090   283.71
2027.84    0.089   284.17
2027.94    0.089   284.65
2028.04    0.088   285.13
2028.14    0.088   285.61
2028.24    0.087   286.10
2028.34    0.087   286.60
2028.44    0.086   287.10
2028.54    0.086   287.61
2028.64    0.085   288.12
2028.74    0.085   288.64
2028.84    0.084   289.16
2028.94    0.084   289.70
2029.04    0.083   290.24
2029.14    0.083   290.78
2029.24    0.082   291.33
2029.34    0.082   291.90
2029.44    0.081   292.46
2029.54    0.081   293.04
2029.64    0.080   293.62
2029.74    0.080   294.21
2029.84    0.079   294.81
2029.94    0.078   295.42
2030.04    0.078   296.03
2030.14    0.077   296.66
2030.24    0.077   297.29
2030.34    0.076   297.93
2030.44    0.076   298.58
2030.54    0.075   299.24
2030.64    0.075   299.91
2030.74    0.074   300.59
2030.84    0.074   301.28
2030.94    0.073   301.98
2031.04    0.072   302.69
2031.14    0.072   303.41
2031.24    0.071   304.15
2031.34    0.071   304.89
2031.44    0.070   305.64
2031.54    0.070   306.41
2031.64    0.069   307.18
2031.74    0.069   307.97
2031.84    0.068   308.77
2031.94    0.068   309.59
2032.04    0.067   310.41
2032.14    0.067   311.25
2032.24    0.066   312.10
2032.34    0.066   312.96
2032.44    0.065   313.84
2032.54    0.065   314.73
2032.64    0.064   315.63
2032.74    0.064   316.55
2032.84    0.063   317.48
2032.94    0.063   318.42
2033.04    0.062   319.38
2033.14    0.062   320.35
2033.24    0.062   321.33
2033.34    0.061   322.33
2033.44    0.061   323.35
2033.54    0.060   324.37
2033.64    0.060   325.41
2033.74    0.060   326.46
2033.84    0.059   327.53
2033.94    0.059   328.61
2034.04    0.058   329.71
2034.14    0.058   330.81
2034.24    0.058   331.93
2034.34    0.057   333.07
2034.44    0.057   334.21
2034.54    0.057   335.37
2034.64    0.057   336.54
2034.74    0.056   337.72
2034.84    0.056   338.91
2034.94    0.056   340.11
2035.04    0.056   341.33
2035.14    0.055   342.55
2035.24    0.055   343.78
2035.34    0.055   345.03
2035.44    0.055   346.28
2035.54    0.055   347.53
2035.64    0.054   348.80
2035.74    0.054   350.07
2035.84    0.054   351.35
2035.94    0.054   352.63
2036.04    0.054   353.92
2036.14    0.054   355.21
2036.24    0.054   356.51
2036.34    0.054   357.81
2036.44    0.054   359.11
2036.54    0.054     0.41
2036.64    0.054     1.71
2036.74    0.054     3.02
2036.84    0.054     4.32
2036.94    0.054     5.63
2037.04    0.054     6.93
2037.14    0.054     8.23
2037.24    0.054     9.53
2037.34    0.054    10.82
2037.44    0.054    12.11
2037.54    0.054    13.40
2037.64    0.054    14.68
2037.74    0.054    15.96
2037.84    0.054    17.24
2037.94    0.054    18.51
2038.04    0.055    19.77
2038.14    0.055    21.03
2038.24    0.055    22.29
2038.34    0.055    23.53
2038.44    0.055    24.78
2038.54    0.055    26.01
2038.64    0.055    27.25
2038.74    0.055    28.47
2038.84    0.056    29.70
2038.94    0.056    30.91
2039.04    0.056    32.12
2039.14    0.056    33.33
2039.24    0.056    34.54
2039.34    0.056    35.74
2039.44    0.056    36.93
2039.54    0.056    38.13
2039.64    0.056    39.32
2039.74    0.056    40.51
2039.84    0.056    41.70
2039.94    0.056    42.89
2040.04    0.056    44.09
2040.14    0.056    45.28
2040.24    0.056    46.48
2040.34    0.056    47.68
2040.44    0.056    48.89
2040.54    0.056    50.11
2040.64    0.055    51.33
2040.74    0.055    52.56
2040.84    0.055    53.81
2040.94    0.054    55.07

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 17:19:45