Double Star Calculator - Orbit

Orbital Elements for SNA56AA,AB
WDS: SNA56AA,AB WDS ID/Discoverer
P: 10.264 Orbital period (years)
a: 0.009365 Semi-major axis (arcseconds)
i: 105.55 Inclination (degrees)
Ω: 98.23 Longitude of ascending node (degrees)
T: 2014.624 Epoch of periastron passage (year)
e: 0.4948 Eccentricity
ω: 310.5 Longitude of periastron (degrees)
Start-Year: 2019.8677890828164 Year
End-Year: 2030.1322109171836 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for SNA56AA,AB
Position: 165432.00-414818.8 Epoch-2000 right ascension and declination
WDS-ID: 16545-4148 WDS designation
Discoverer Code: SNA56AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 152314 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 7.6 k Magnitude of the primary
V2: 8.7 k Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: LeB2017 Reference

Double Star Orbit for SNA56AA,AB



WDS 6th Orbit including measures of SNA56AA,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 SNA56AA,AB
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.004    67.79
--------------------------
2019.87    0.010   294.80
2019.97    0.010   294.07
2020.07    0.010   293.36
2020.17    0.010   292.68
2020.27    0.011   292.03
2020.37    0.011   291.40
2020.47    0.011   290.78
2020.57    0.011   290.18
2020.67    0.011   289.60
2020.77    0.011   289.03
2020.87    0.011   288.47
2020.97    0.011   287.93
2021.07    0.012   287.39
2021.17    0.012   286.85
2021.27    0.012   286.33
2021.37    0.012   285.81
2021.47    0.012   285.29
2021.57    0.012   284.77
2021.67    0.012   284.25
2021.77    0.012   283.73
2021.87    0.012   283.21
2021.97    0.012   282.68
2022.07    0.012   282.14
2022.17    0.011   281.60
2022.27    0.011   281.04
2022.37    0.011   280.48
2022.47    0.011   279.89
2022.57    0.011   279.29
2022.67    0.011   278.66
2022.77    0.010   278.01
2022.87    0.010   277.32
2022.97    0.010   276.59
2023.07    0.009   275.81
2023.17    0.009   274.98
2023.27    0.009   274.07
2023.37    0.008   273.07
2023.47    0.008   271.95
2023.57    0.007   270.69
2023.67    0.007   269.23
2023.77    0.006   267.50
2023.87    0.006   265.40
2023.97    0.005   262.75
2024.07    0.004   259.24
2024.17    0.003   254.29
2024.27    0.003   246.71
2024.37    0.002   233.81
2024.47    0.002   210.10
2024.57    0.001   174.04
2024.67    0.002   143.87
2024.77    0.002   126.87
2024.87    0.003   117.18
2024.97    0.004   110.95
2025.07    0.004   106.50
2025.17    0.005   103.02
2025.27    0.005   100.11
2025.37    0.005    97.55
2025.47    0.006    95.19
2025.57    0.006    92.94
2025.67    0.006    90.73
2025.77    0.006    88.52
2025.87    0.006    86.25
2025.97    0.005    83.88
2026.07    0.005    81.37
2026.17    0.005    78.68
2026.27    0.005    75.76
2026.37    0.005    72.56
2026.47    0.004    69.02
2026.57    0.004    65.07
2026.67    0.004    60.65
2026.77    0.004    55.68
2026.87    0.003    50.12
2026.97    0.003    43.92
2027.07    0.003    37.09
2027.17    0.003    29.73
2027.27    0.003    21.97
2027.37    0.003    14.06
2027.47    0.003     6.25
2027.57    0.003   358.79
2027.67    0.003   351.85
2027.77    0.003   345.53
2027.87    0.004   339.87
2027.97    0.004   334.85
2028.07    0.004   330.42
2028.17    0.004   326.51
2028.27    0.005   323.05
2028.37    0.005   319.99
2028.47    0.005   317.26
2028.57    0.006   314.82
2028.67    0.006   312.63
2028.77    0.006   310.65
2028.87    0.006   308.85
2028.97    0.007   307.21
2029.07    0.007   305.70
2029.17    0.007   304.32
2029.27    0.008   303.04
2029.37    0.008   301.84
2029.47    0.008   300.73
2029.57    0.008   299.69
2029.67    0.009   298.71
2029.77    0.009   297.79
2029.87    0.009   296.91
2029.97    0.009   296.08
2030.07    0.010   295.29



 

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 17:31:58


www.stella-vega.de