Double Star Calculator - Orbit

Orbital Elements for YSC3AA,AB

WDS:	YSC3AA,AB	WDS ID/Discoverer
P:	19.320	Orbital period (years)
a:	0.095	Semi-major axis (arcseconds)
i:	71.5	Inclination (degrees)
Ω:	112.5	Longitude of ascending node (degrees)
T:	2002.350	Epoch of periastron passage (year)
e:	0.0	Eccentricity
ω:	0.0	Longitude of periastron (degrees)
Start-Year:	2015.34	Year
End-Year:	2034.66	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for YSC3AA,AB
Position:	083041.66+464458.5	Epoch-2000 right ascension and declination
WDS-ID:	08307+4645	WDS designation
Discoverer Code:	YSC3AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	8.05	Magnitude of the primary
V2:	8.51	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2018	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:	Tok2019e	Reference

Double Star Orbit for YSC3AA,AB

WDS 6th Orbit including measures of YSC3AA,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 YSC3AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.030   202.50
--------------------------
2015.34    0.052   323.38
2015.44    0.050   325.45
2015.54    0.048   327.69
2015.64    0.046   330.15
2015.74    0.044   332.82
2015.84    0.042   335.76
2015.94    0.040   338.98
2016.04    0.038   342.50
2016.14    0.036   346.37
2016.24    0.035   350.58
2016.34    0.033   355.16
2016.44    0.032     0.09
2016.54    0.031     5.36
2016.64    0.031    10.90
2016.74    0.030    16.65
2016.84    0.030    22.50
2016.94    0.030    28.35
2017.04    0.031    34.10
2017.14    0.031    39.64
2017.24    0.032    44.91
2017.34    0.033    49.84
2017.44    0.035    54.42
2017.54    0.036    58.63
2017.64    0.038    62.50
2017.74    0.040    66.02
2017.84    0.042    69.24
2017.94    0.044    72.18
2018.04    0.046    74.85
2018.14    0.048    77.31
2018.24    0.050    79.55
2018.34    0.052    81.62
2018.44    0.054    83.52
2018.54    0.056    85.29
2018.64    0.058    86.92
2018.74    0.060    88.44
2018.84    0.062    89.86
2018.94    0.064    91.19
2019.04    0.066    92.44
2019.14    0.068    93.62
2019.24    0.070    94.73
2019.34    0.072    95.79
2019.44    0.074    96.79
2019.54    0.076    97.75
2019.64    0.077    98.66
2019.74    0.079    99.54
2019.84    0.080   100.38
2019.94    0.082   101.18
2020.04    0.083   101.97
2020.14    0.085   102.72
2020.24    0.086   103.45
2020.34    0.087   104.17
2020.44    0.088   104.86
2020.54    0.089   105.54
2020.64    0.090   106.20
2020.74    0.091   106.85
2020.84    0.092   107.48
2020.94    0.093   108.11
2021.04    0.093   108.73
2021.14    0.094   109.34
2021.24    0.094   109.94
2021.34    0.095   110.54
2021.44    0.095   111.14
2021.54    0.095   111.73
2021.64    0.095   112.32
2021.74    0.095   112.91
2021.84    0.095   113.51
2021.94    0.095   114.10
2022.04    0.094   114.70
2022.14    0.094   115.30
2022.24    0.094   115.91
2022.34    0.093   116.52
2022.44    0.092   117.14
2022.54    0.092   117.77
2022.64    0.091   118.41
2022.74    0.090   119.07
2022.84    0.089   119.73
2022.94    0.088   120.42
2023.04    0.087   121.12
2023.14    0.085   121.84
2023.24    0.084   122.58
2023.34    0.083   123.34
2023.44    0.081   124.14
2023.54    0.080   124.96
2023.64    0.078   125.81
2023.74    0.077   126.70
2023.84    0.075   127.63
2023.94    0.073   128.60
2024.04    0.071   129.63
2024.14    0.069   130.70
2024.24    0.068   131.84
2024.34    0.066   133.05
2024.44    0.064   134.33
2024.54    0.062   135.69
2024.64    0.059   137.15
2024.74    0.057   138.72
2024.84    0.055   140.40
2024.94    0.053   142.22
2025.04    0.051   144.19
2025.14    0.049   146.32
2025.24    0.047   148.65
2025.34    0.045   151.19
2025.44    0.043   153.97
2025.54    0.041   157.01
2025.64    0.039   160.35
2025.74    0.037   164.01
2025.84    0.036   168.01
2025.94    0.034   172.37
2026.04    0.033   177.09
2026.14    0.032   182.16
2026.24    0.031   187.54
2026.34    0.031   193.18
2026.44    0.030   198.98
2026.54    0.030   204.85
2026.64    0.030   210.67
2026.74    0.031   216.35
2026.84    0.032   221.79
2026.94    0.033   226.92
2027.04    0.034   231.72
2027.14    0.035   236.15
2027.24    0.037   240.22
2027.34    0.039   243.95
2027.44    0.041   247.35
2027.54    0.042   250.45
2027.64    0.044   253.28
2027.74    0.046   255.86
2027.84    0.049   258.23
2027.94    0.051   260.40
2028.04    0.053   262.40
2028.14    0.055   264.25
2028.24    0.057   265.96
2028.34    0.059   267.54
2028.44    0.061   269.02
2028.54    0.063   270.41
2028.64    0.065   271.70
2028.74    0.067   272.92
2028.84    0.069   274.07
2028.94    0.071   275.16
2029.04    0.073   276.20
2029.14    0.075   277.18
2029.24    0.076   278.12
2029.34    0.078   279.01
2029.44    0.080   279.88
2029.54    0.081   280.70
2029.64    0.083   281.50
2029.74    0.084   282.27
2029.84    0.085   283.02
2029.94    0.086   283.74
2030.04    0.088   284.44
2030.14    0.089   285.13
2030.24    0.090   285.80
2030.34    0.091   286.46
2030.44    0.091   287.10
2030.54    0.092   287.73
2030.64    0.093   288.36
2030.74    0.093   288.97
2030.84    0.094   289.58
2030.94    0.094   290.18
2031.04    0.095   290.78
2031.14    0.095   291.38
2031.24    0.095   291.97
2031.34    0.095   292.56
2031.44    0.095   293.15
2031.54    0.095   293.74
2031.64    0.095   294.34
2031.74    0.094   294.94
2031.84    0.094   295.54
2031.94    0.093   296.15
2032.04    0.093   296.77
2032.14    0.092   297.39
2032.24    0.091   298.03
2032.34    0.090   298.67
2032.44    0.090   299.33
2032.54    0.088   300.00
2032.64    0.087   300.69
2032.74    0.086   301.40
2032.84    0.085   302.13
2032.94    0.084   302.88
2033.04    0.082   303.66
2033.14    0.081   304.46
2033.24    0.079   305.29
2033.34    0.078   306.16
2033.44    0.076   307.07
2033.54    0.074   308.01
2033.64    0.072   309.01
2033.74    0.071   310.05
2033.84    0.069   311.15
2033.94    0.067   312.32
2034.04    0.065   313.55
2034.14    0.063   314.86
2034.24    0.061   316.27
2034.34    0.059   317.77
2034.44    0.057   319.38
2034.54    0.054   321.11
2034.64    0.052   322.99

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 16:08:11