Double Star Calculator - Orbit

Orbital Elements for HDS3250AA,AB

WDS:	HDS3250AA,AB	WDS ID/Discoverer
P:	12.910	Orbital period (years)
a:	0.1261	Semi-major axis (arcseconds)
i:	42.5	Inclination (degrees)
Ω:	42.5	Longitude of ascending node (degrees)
T:	2012.000	Epoch of periastron passage (year)
e:	0.086	Eccentricity
ω:	322.0	Longitude of periastron (degrees)
Start-Year:	2018.545	Year
End-Year:	2031.455	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS3250AA,AB
Position:	225311.69-375020.4	Epoch-2000 right ascension and declination
WDS-ID:	22532-3750	WDS designation
Discoverer Code:	HDS3250AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	216405	HD catalog number
Hipparcos number:	113010	Hipparcos catalog number
V1:	9.53	Magnitude of the primary
V2:	13.59	Magnitude of the secondary
Equinox:		Equinox
Date:		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:	Msn2023	Reference

Double Star Orbit for HDS3250AA,AB

WDS 6th Orbit including measures of HDS3250AA,AB

-- 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 HDS3250AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.117    52.75
--------------------------
2018.55    0.126   194.43
2018.64    0.127   196.47
2018.74    0.128   198.47
2018.84    0.129   200.43
2018.94    0.130   202.36
2019.04    0.131   204.27
2019.14    0.132   206.14
2019.24    0.133   208.00
2019.34    0.133   209.84
2019.44    0.134   211.66
2019.54    0.134   213.47
2019.64    0.135   215.27
2019.74    0.135   217.07
2019.84    0.135   218.87
2019.94    0.135   220.67
2020.04    0.134   222.47
2020.14    0.134   224.28
2020.24    0.133   226.10
2020.34    0.133   227.94
2020.44    0.132   229.80
2020.54    0.131   231.69
2020.64    0.130   233.60
2020.74    0.129   235.54
2020.84    0.128   237.52
2020.94    0.126   239.54
2021.04    0.125   241.61
2021.14    0.123   243.73
2021.24    0.121   245.91
2021.34    0.120   248.15
2021.44    0.118   250.46
2021.54    0.116   252.84
2021.64    0.114   255.31
2021.74    0.112   257.86
2021.84    0.110   260.51
2021.94    0.108   263.26
2022.04    0.106   266.12
2022.14    0.104   269.09
2022.24    0.102   272.17
2022.34    0.100   275.39
2022.44    0.098   278.72
2022.54    0.096   282.19
2022.64    0.094   285.78
2022.74    0.093   289.50
2022.84    0.091   293.33
2022.94    0.090   297.28
2023.04    0.089   301.32
2023.14    0.088   305.44
2023.24    0.088   309.63
2023.34    0.088   313.87
2023.44    0.087   318.12
2023.54    0.088   322.38
2023.64    0.088   326.61
2023.74    0.088   330.80
2023.84    0.089   334.93
2023.94    0.090   338.98
2024.04    0.091   342.93
2024.14    0.093   346.79
2024.24    0.094   350.53
2024.34    0.096   354.16
2024.44    0.097   357.67
2024.54    0.099     1.07
2024.64    0.100     4.36
2024.74    0.102     7.53
2024.84    0.104    10.61
2024.94    0.105    13.59
2025.04    0.107    16.48
2025.14    0.108    19.29
2025.24    0.110    22.02
2025.34    0.111    24.68
2025.44    0.112    27.28
2025.54    0.114    29.83
2025.64    0.115    32.33
2025.74    0.115    34.79
2025.84    0.116    37.22
2025.94    0.117    39.62
2026.04    0.117    42.01
2026.14    0.117    44.37
2026.24    0.118    46.73
2026.34    0.118    49.09
2026.44    0.117    51.45
2026.54    0.117    53.81
2026.64    0.117    56.19
2026.74    0.116    58.59
2026.84    0.116    61.02
2026.94    0.115    63.47
2027.04    0.114    65.96
2027.14    0.113    68.49
2027.24    0.112    71.06
2027.34    0.111    73.67
2027.44    0.110    76.34
2027.54    0.109    79.07
2027.64    0.108    81.85
2027.74    0.106    84.70
2027.84    0.105    87.61
2027.94    0.104    90.58
2028.04    0.103    93.61
2028.14    0.102    96.72
2028.24    0.101    99.88
2028.34    0.100   103.10
2028.44    0.099   106.38
2028.54    0.099   109.70
2028.64    0.098   113.07
2028.74    0.098   116.47
2028.84    0.097   119.90
2028.94    0.097   123.35
2029.04    0.097   126.80
2029.14    0.097   130.25
2029.24    0.098   133.68
2029.34    0.098   137.09
2029.44    0.099   140.46
2029.54    0.099   143.79
2029.64    0.100   147.07
2029.74    0.101   150.29
2029.84    0.102   153.44
2029.94    0.103   156.52
2030.04    0.105   159.54
2030.14    0.106   162.47
2030.24    0.107   165.33
2030.34    0.109   168.12
2030.44    0.110   170.82
2030.54    0.112   173.46
2030.64    0.114   176.02
2030.74    0.115   178.50
2030.84    0.117   180.93
2030.94    0.118   183.28
2031.04    0.120   185.58
2031.14    0.121   187.82
2031.24    0.123   190.00
2031.34    0.124   192.14
2031.44    0.126   194.22

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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 18:44:41