Double Star Calculator - Orbit

Orbital Elements for YR6AA,AB

WDS:	YR6AA,AB	WDS ID/Discoverer
P:	14.440	Orbital period (years)
a:	0.1143	Semi-major axis (arcseconds)
i:	77.43	Inclination (degrees)
Ω:	134.8	Longitude of ascending node (degrees)
T:	2007.512	Epoch of periastron passage (year)
e:	0.519	Eccentricity
ω:	305.4	Longitude of periastron (degrees)
Start-Year:	2017.78	Year
End-Year:	2032.22	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for YR6AA,AB
Position:	010540.93+212823.6	Epoch-2000 right ascension and declination
WDS-ID:	01057+2128	WDS designation
Discoverer Code:	YR6AA,AB	Discover designation and components
ADS number:	899	Aitken Double Star catalog
HD number:	6456	HD catalog number
Hipparcos number:	5131	Hipparcos catalog number
V1:	5.7	Magnitude of the primary
V2:	6.6	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2010	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Hor2010	Reference

Double Star Orbit for YR6AA,AB

WDS 6th Orbit including measures of YR6AA,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 YR6AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.041   260.50
--------------------------
2017.78    0.138   309.36
2017.88    0.138   309.68
2017.98    0.138   309.99
2018.08    0.137   310.31
2018.18    0.137   310.64
2018.28    0.136   310.96
2018.38    0.135   311.29
2018.48    0.134   311.63
2018.58    0.133   311.97
2018.68    0.132   312.31
2018.78    0.130   312.67
2018.88    0.129   313.03
2018.98    0.127   313.40
2019.08    0.125   313.78
2019.18    0.123   314.17
2019.28    0.121   314.58
2019.38    0.118   315.01
2019.48    0.116   315.45
2019.58    0.113   315.91
2019.68    0.110   316.40
2019.78    0.106   316.92
2019.88    0.103   317.48
2019.98    0.099   318.07
2020.08    0.095   318.72
2020.18    0.091   319.42
2020.28    0.086   320.19
2020.38    0.081   321.05
2020.48    0.076   322.03
2020.58    0.071   323.15
2020.68    0.065   324.46
2020.78    0.059   326.03
2020.88    0.053   327.97
2020.98    0.046   330.44
2021.08    0.040   333.75
2021.18    0.033   338.45
2021.28    0.026   345.69
2021.38    0.019   358.03
2021.48    0.014    20.70
2021.58    0.013    55.81
2021.68    0.016    86.22
2021.78    0.022   103.50
2021.88    0.029   113.19
2021.98    0.035   119.22
2022.08    0.041   123.38
2022.18    0.047   126.48
2022.28    0.052   128.93
2022.38    0.057   130.97
2022.48    0.060   132.74
2022.58    0.063   134.32
2022.68    0.066   135.77
2022.78    0.067   137.14
2022.88    0.069   138.44
2022.98    0.069   139.71
2023.08    0.070   140.97
2023.18    0.069   142.22
2023.28    0.069   143.49
2023.38    0.068   144.77
2023.48    0.067   146.10
2023.58    0.066   147.47
2023.68    0.064   148.90
2023.78    0.063   150.41
2023.88    0.061   152.00
2023.98    0.059   153.69
2024.08    0.057   155.50
2024.18    0.055   157.44
2024.28    0.053   159.55
2024.38    0.050   161.83
2024.48    0.048   164.31
2024.58    0.046   167.03
2024.68    0.044   170.01
2024.78    0.042   173.30
2024.88    0.040   176.91
2024.98    0.038   180.89
2025.08    0.036   185.25
2025.18    0.035   190.02
2025.28    0.034   195.19
2025.38    0.033   200.72
2025.48    0.032   206.57
2025.58    0.031   212.65
2025.68    0.031   218.83
2025.78    0.032   224.98
2025.88    0.032   230.99
2025.98    0.033   236.74
2026.08    0.034   242.14
2026.18    0.035   247.16
2026.28    0.037   251.77
2026.38    0.039   255.97
2026.48    0.041   259.79
2026.58    0.043   263.24
2026.68    0.045   266.36
2026.78    0.047   269.18
2026.88    0.050   271.74
2026.98    0.052   274.06
2027.08    0.055   276.17
2027.18    0.057   278.11
2027.28    0.060   279.87
2027.38    0.062   281.50
2027.48    0.065   282.99
2027.58    0.067   284.38
2027.68    0.070   285.66
2027.78    0.073   286.85
2027.88    0.075   287.97
2027.98    0.078   289.01
2028.08    0.080   289.98
2028.18    0.083   290.90
2028.28    0.085   291.76
2028.38    0.087   292.58
2028.48    0.090   293.35
2028.58    0.092   294.08
2028.68    0.094   294.78
2028.78    0.097   295.44
2028.88    0.099   296.07
2028.98    0.101   296.68
2029.08    0.103   297.26
2029.18    0.105   297.82
2029.28    0.107   298.35
2029.38    0.109   298.87
2029.48    0.111   299.37
2029.58    0.113   299.85
2029.68    0.115   300.31
2029.78    0.117   300.76
2029.88    0.119   301.20
2029.98    0.120   301.62
2030.08    0.122   302.04
2030.18    0.123   302.44
2030.28    0.125   302.83
2030.38    0.126   303.21
2030.48    0.128   303.59
2030.58    0.129   303.96
2030.68    0.130   304.32
2030.78    0.131   304.67
2030.88    0.132   305.02
2030.98    0.133   305.36
2031.08    0.134   305.70
2031.18    0.135   306.04
2031.28    0.136   306.37
2031.38    0.137   306.69
2031.48    0.137   307.02
2031.58    0.138   307.34
2031.68    0.138   307.66
2031.78    0.138   307.97
2031.88    0.139   308.29
2031.98    0.139   308.60
2032.08    0.139   308.92
2032.18    0.139   309.23

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 14:47:12