Double Star Calculator - Orbit

Orbital Elements for HDS2395

WDS:	HDS2395	WDS ID/Discoverer
P:	12.820	Orbital period (years)
a:	0.0805	Semi-major axis (arcseconds)
i:	158.4	Inclination (degrees)
Ω:	131.6	Longitude of ascending node (degrees)
T:	2020.580	Epoch of periastron passage (year)
e:	0.795	Eccentricity
ω:	337.7	Longitude of periastron (degrees)
Start-Year:	2018.59	Year
End-Year:	2031.41	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS2395
Position:	165639.14+153834.1	Epoch-2000 right ascension and declination
WDS-ID:	16567+1539	WDS designation
Discoverer Code:	HDS2395	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	153063	HD catalog number
Hipparcos number:	82915	Hipparcos catalog number
V1:	7.90	Magnitude of the primary
V2:	10.08	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2024	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:	Tok2024b	Reference

Double Star Orbit for HDS2395

WDS 6th Orbit including measures of HDS2395

-- 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 HDS2395

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.142   334.94
--------------------------
2018.59    0.092   303.20
2018.69    0.089   301.96
2018.79    0.086   300.63
2018.89    0.083   299.21
2018.99    0.080   297.68
2019.09    0.077   296.03
2019.19    0.074   294.22
2019.29    0.070   292.24
2019.39    0.066   290.03
2019.49    0.063   287.57
2019.59    0.059   284.77
2019.69    0.054   281.54
2019.79    0.050   277.76
2019.89    0.045   273.22
2019.99    0.040   267.60
2020.09    0.035   260.42
2020.19    0.030   250.79
2020.29    0.025   237.15
2020.39    0.020   216.77
2020.49    0.017   186.49
2020.59    0.016   148.64
2020.69    0.018   113.96
2020.79    0.022    88.32
2020.89    0.026    70.45
2020.99    0.031    57.73
2021.09    0.035    48.29
2021.19    0.040    41.01
2021.29    0.044    35.19
2021.39    0.048    30.40
2021.49    0.053    26.36
2021.59    0.056    22.90
2021.69    0.060    19.88
2021.79    0.064    17.21
2021.89    0.067    14.83
2021.99    0.071    12.68
2022.09    0.074    10.72
2022.19    0.077     8.92
2022.29    0.080     7.26
2022.39    0.083     5.73
2022.49    0.086     4.29
2022.59    0.089     2.95
2022.69    0.091     1.68
2022.79    0.094     0.48
2022.89    0.096   359.35
2022.99    0.099   358.27
2023.09    0.101   357.24
2023.19    0.103   356.26
2023.29    0.105   355.32
2023.39    0.108   354.41
2023.49    0.110   353.54
2023.59    0.111   352.70
2023.69    0.113   351.89
2023.79    0.115   351.10
2023.89    0.117   350.34
2023.99    0.119   349.60
2024.09    0.120   348.88
2024.19    0.122   348.18
2024.29    0.123   347.49
2024.39    0.125   346.82
2024.49    0.126   346.17
2024.59    0.127   345.53
2024.69    0.129   344.90
2024.79    0.130   344.29
2024.89    0.131   343.68
2024.99    0.132   343.09
2025.09    0.133   342.50
2025.19    0.134   341.93
2025.29    0.135   341.36
2025.39    0.136   340.80
2025.49    0.137   340.25
2025.59    0.137   339.70
2025.69    0.138   339.16
2025.79    0.139   338.62
2025.89    0.139   338.09
2025.99    0.140   337.57
2026.09    0.141   337.05
2026.19    0.141   336.53
2026.29    0.141   336.01
2026.39    0.142   335.50
2026.49    0.142   334.99
2026.59    0.142   334.49
2026.69    0.143   333.98
2026.79    0.143   333.48
2026.89    0.143   332.97
2026.99    0.143   332.47
2027.09    0.143   331.97
2027.19    0.143   331.47
2027.29    0.143   330.97
2027.39    0.143   330.47
2027.49    0.143   329.97
2027.59    0.143   329.46
2027.69    0.142   328.96
2027.79    0.142   328.45
2027.89    0.142   327.94
2027.99    0.141   327.43
2028.09    0.141   326.91
2028.19    0.140   326.39
2028.29    0.140   325.87
2028.39    0.139   325.34
2028.49    0.139   324.81
2028.59    0.138   324.27
2028.69    0.137   323.73
2028.79    0.136   323.18
2028.89    0.135   322.62
2028.99    0.134   322.05
2029.09    0.133   321.48
2029.19    0.132   320.90
2029.29    0.131   320.31
2029.39    0.130   319.71
2029.49    0.129   319.10
2029.59    0.128   318.48
2029.69    0.126   317.84
2029.79    0.125   317.19
2029.89    0.123   316.52
2029.99    0.122   315.84
2030.09    0.120   315.14
2030.19    0.119   314.42
2030.29    0.117   313.69
2030.39    0.115   312.92
2030.49    0.113   312.14
2030.59    0.111   311.32
2030.69    0.109   310.48
2030.79    0.107   309.61
2030.89    0.105   308.69
2030.99    0.103   307.74
2031.09    0.100   306.75
2031.19    0.098   305.70
2031.29    0.095   304.61
2031.39    0.093   303.44

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 17:32:19