Double Star Calculator - Orbit

Orbital Elements for EPSAUR
WDS: EPSAUR WDS ID/Discoverer
P: 27.070 Orbital period (years)
a: 0.0224 Semi-major axis (arcseconds)
i: 87.0 Inclination (degrees)
Ω: 264.0 Longitude of ascending node (degrees)
T: 1950.249 Epoch of periastron passage (year)
e: 0.07 Eccentricity
ω: 0.0 Longitude of periastron (degrees)
Start-Year: 2011.4651455486278 Year
End-Year: 2038.5348544513722 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for EPSAUR
Position: 050158.13+434923.9 Epoch-2000 right ascension and declination
WDS-ID: 05020+4349 WDS designation
Discoverer Code: EPSAUR Discover designation and components
ADS number: 3605 Aitken Double Star catalog
HD number: 31964 HD catalog number
Hipparcos number: 23416 Hipparcos catalog number
V1: 3.04 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: Equinox
Date: 1991 Date of last observation
Orbit grade: 9 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: HIP1997d Reference

Double Star Orbit for EPSAUR



WDS 6th Orbit including measures of EPSAUR

-- 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 EPSAUR
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.006   253.97
--------------------------
2011.47    0.005    70.21
2011.57    0.005    71.55
2011.67    0.006    72.66
2011.77    0.006    73.60
2011.87    0.007    74.41
2011.97    0.007    75.10
2012.07    0.008    75.71
2012.17    0.008    76.25
2012.27    0.009    76.73
2012.37    0.009    77.16
2012.47    0.010    77.55
2012.57    0.010    77.90
2012.67    0.011    78.23
2012.77    0.011    78.52
2012.87    0.012    78.79
2012.97    0.012    79.04
2013.07    0.012    79.28
2013.17    0.013    79.49
2013.27    0.013    79.70
2013.37    0.014    79.89
2013.47    0.014    80.07
2013.57    0.015    80.24
2013.67    0.015    80.40
2013.77    0.015    80.55
2013.87    0.016    80.69
2013.97    0.016    80.83
2014.07    0.016    80.96
2014.17    0.017    81.09
2014.27    0.017    81.21
2014.37    0.018    81.32
2014.47    0.018    81.43
2014.57    0.018    81.54
2014.67    0.019    81.64
2014.77    0.019    81.74
2014.87    0.019    81.84
2014.97    0.019    81.93
2015.07    0.020    82.02
2015.17    0.020    82.11
2015.27    0.020    82.20
2015.37    0.021    82.28
2015.47    0.021    82.36
2015.57    0.021    82.44
2015.67    0.021    82.52
2015.77    0.022    82.59
2015.87    0.022    82.67
2015.97    0.022    82.74
2016.07    0.022    82.81
2016.17    0.022    82.88
2016.27    0.023    82.95
2016.37    0.023    83.02
2016.47    0.023    83.09
2016.57    0.023    83.15
2016.67    0.023    83.22
2016.77    0.023    83.28
2016.87    0.023    83.35
2016.97    0.023    83.41
2017.07    0.024    83.47
2017.17    0.024    83.54
2017.27    0.024    83.60
2017.37    0.024    83.66
2017.47    0.024    83.72
2017.57    0.024    83.78
2017.67    0.024    83.84
2017.77    0.024    83.90
2017.87    0.024    83.96
2017.97    0.024    84.03
2018.07    0.024    84.09
2018.17    0.024    84.15
2018.27    0.024    84.21
2018.37    0.024    84.27
2018.47    0.024    84.33
2018.57    0.024    84.39
2018.67    0.024    84.45
2018.77    0.024    84.52
2018.87    0.024    84.58
2018.97    0.023    84.64
2019.07    0.023    84.71
2019.17    0.023    84.77
2019.27    0.023    84.84
2019.37    0.023    84.90
2019.47    0.023    84.97
2019.57    0.023    85.04
2019.67    0.022    85.11
2019.77    0.022    85.18
2019.87    0.022    85.25
2019.97    0.022    85.32
2020.07    0.022    85.39
2020.17    0.021    85.47
2020.27    0.021    85.55
2020.37    0.021    85.63
2020.47    0.021    85.71
2020.57    0.020    85.79
2020.67    0.020    85.87
2020.77    0.020    85.96
2020.87    0.020    86.05
2020.97    0.019    86.14
2021.07    0.019    86.24
2021.17    0.019    86.34
2021.27    0.018    86.44
2021.37    0.018    86.55
2021.47    0.018    86.66
2021.57    0.017    86.77
2021.67    0.017    86.89
2021.77    0.017    87.02
2021.87    0.016    87.15
2021.97    0.016    87.28
2022.07    0.015    87.42
2022.17    0.015    87.58
2022.27    0.015    87.73
2022.37    0.014    87.90
2022.47    0.014    88.08
2022.57    0.013    88.27
2022.67    0.013    88.47
2022.77    0.013    88.68
2022.87    0.012    88.92
2022.97    0.012    89.16
2023.07    0.011    89.43
2023.17    0.011    89.72
2023.27    0.010    90.04
2023.37    0.010    90.39
2023.47    0.009    90.77
2023.57    0.009    91.19
2023.67    0.008    91.66
2023.77    0.008    92.19
2023.87    0.007    92.79
2023.97    0.007    93.47
2024.07    0.006    94.25
2024.17    0.006    95.17
2024.27    0.005    96.25
2024.37    0.005    97.55
2024.47    0.004    99.13
2024.57    0.004   101.11
2024.67    0.003   103.66
2024.77    0.003   107.02
2024.87    0.003   111.66
2024.97    0.002   118.35
2025.07    0.002   128.48
2025.17    0.001   144.17
2025.27    0.001   166.73
2025.37    0.001   191.72
2025.47    0.001   211.54
2025.57    0.002   224.65
2025.67    0.002   233.14
2025.77    0.003   238.86
2025.87    0.003   242.91
2025.97    0.004   245.90
2026.07    0.004   248.18
2026.17    0.005   249.99
2026.27    0.005   251.44
2026.37    0.006   252.65
2026.47    0.006   253.66
2026.57    0.007   254.51
2026.67    0.007   255.26
2026.77    0.008   255.90
2026.87    0.008   256.47
2026.97    0.009   256.98
2027.07    0.009   257.43
2027.17    0.009   257.83
2027.27    0.010   258.20
2027.37    0.010   258.54
2027.47    0.011   258.85
2027.57    0.011   259.13
2027.67    0.012   259.40
2027.77    0.012   259.64
2027.87    0.013   259.87
2027.97    0.013   260.08
2028.07    0.013   260.28
2028.17    0.014   260.47
2028.27    0.014   260.64
2028.37    0.015   260.81
2028.47    0.015   260.97
2028.57    0.015   261.12
2028.67    0.016   261.27
2028.77    0.016   261.41
2028.87    0.016   261.54
2028.97    0.017   261.67
2029.07    0.017   261.79
2029.17    0.017   261.91
2029.27    0.018   262.02
2029.37    0.018   262.13
2029.47    0.018   262.24
2029.57    0.018   262.35
2029.67    0.019   262.45
2029.77    0.019   262.55
2029.87    0.019   262.64
2029.97    0.019   262.74
2030.07    0.019   262.83
2030.17    0.020   262.92
2030.27    0.020   263.01
2030.37    0.020   263.10
2030.47    0.020   263.18
2030.57    0.020   263.27
2030.67    0.020   263.35
2030.77    0.020   263.44
2030.87    0.021   263.52
2030.97    0.021   263.60
2031.07    0.021   263.68
2031.17    0.021   263.76
2031.27    0.021   263.84
2031.37    0.021   263.93
2031.47    0.021   264.01
2031.57    0.021   264.09
2031.67    0.021   264.17
2031.77    0.021   264.25
2031.87    0.021   264.33
2031.97    0.021   264.41
2032.07    0.021   264.49
2032.17    0.020   264.57
2032.27    0.020   264.66
2032.37    0.020   264.74
2032.47    0.020   264.83
2032.57    0.020   264.91
2032.67    0.020   265.00
2032.77    0.020   265.09
2032.87    0.019   265.18
2032.97    0.019   265.27
2033.07    0.019   265.37
2033.17    0.019   265.47
2033.27    0.019   265.57
2033.37    0.018   265.67
2033.47    0.018   265.77
2033.57    0.018   265.88
2033.67    0.018   265.99
2033.77    0.017   266.11
2033.87    0.017   266.23
2033.97    0.017   266.35
2034.07    0.016   266.48
2034.17    0.016   266.61
2034.27    0.016   266.75
2034.37    0.015   266.90
2034.47    0.015   267.05
2034.57    0.015   267.21
2034.67    0.014   267.38
2034.77    0.014   267.56
2034.87    0.013   267.75
2034.97    0.013   267.95
2035.07    0.013   268.16
2035.17    0.012   268.39
2035.27    0.012   268.64
2035.37    0.011   268.90
2035.47    0.011   269.19
2035.57    0.010   269.50
2035.67    0.010   269.84
2035.77    0.009   270.22
2035.87    0.009   270.63
2035.97    0.008   271.09
2036.07    0.008   271.60
2036.17    0.008   272.18
2036.27    0.007   272.84
2036.37    0.007   273.59
2036.47    0.006   274.47
2036.57    0.006   275.50
2036.67    0.005   276.73
2036.77    0.005   278.23
2036.87    0.004   280.09
2036.97    0.004   282.46
2037.07    0.003   285.56
2037.17    0.003   289.78
2037.27    0.002   295.79
2037.37    0.002   304.78
2037.47    0.001   318.68
2037.57    0.001   339.43
2037.67    0.001     4.60
2037.77    0.001    26.32
2037.87    0.002    41.14
2037.97    0.002    50.70
2038.07    0.003    57.05
2038.17    0.003    61.49
2038.27    0.004    64.72
2038.37    0.004    67.18
2038.47    0.005    69.10






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 15:33:07



www.stella-vega.de