Double Star Calculator - Orbit

Orbital Elements for YSC44

WDS:	YSC44	WDS ID/Discoverer
P:	17.190	Orbital period (years)
a:	0.072	Semi-major axis (arcseconds)
i:	105.6	Inclination (degrees)
Ω:	54.5	Longitude of ascending node (degrees)
T:	2011.660	Epoch of periastron passage (year)
e:	0.63	Eccentricity
ω:	126.3	Longitude of periastron (degrees)
Start-Year:	2016.405	Year
End-Year:	2033.595	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for YSC44
Position:	121835.40-142425.8	Epoch-2000 right ascension and declination
WDS-ID:	12186-1424	WDS designation
Discoverer Code:	YSC44	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	107040	HD catalog number
Hipparcos number:	60022	Hipparcos catalog number
V1:	8.2	Magnitude of the primary
V2:	8.5	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2020	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:	Tok2021c	Reference

Double Star Orbit for YSC44

WDS 6th Orbit including measures of YSC44

-- 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 YSC44

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.068    54.21
--------------------------
2016.40    0.032   111.08
2016.50    0.033   108.89
2016.60    0.034   106.85
2016.70    0.035   104.93
2016.80    0.036   103.13
2016.90    0.037   101.43
2017.00    0.038    99.85
2017.10    0.040    98.35
2017.20    0.041    96.94
2017.30    0.042    95.61
2017.40    0.043    94.36
2017.50    0.044    93.17
2017.60    0.045    92.05
2017.70    0.047    90.98
2017.80    0.048    89.96
2017.90    0.049    89.00
2018.00    0.050    88.08
2018.10    0.051    87.20
2018.20    0.053    86.37
2018.30    0.054    85.56
2018.40    0.055    84.80
2018.50    0.056    84.06
2018.60    0.057    83.35
2018.70    0.058    82.67
2018.80    0.059    82.02
2018.90    0.061    81.39
2019.00    0.062    80.78
2019.10    0.063    80.20
2019.20    0.064    79.63
2019.30    0.065    79.08
2019.40    0.066    78.55
2019.50    0.067    78.04
2019.60    0.068    77.54
2019.70    0.069    77.05
2019.80    0.070    76.58
2019.90    0.071    76.12
2020.00    0.072    75.67
2020.10    0.073    75.24
2020.20    0.074    74.82
2020.30    0.074    74.40
2020.40    0.075    74.00
2020.50    0.076    73.60
2020.60    0.077    73.21
2020.70    0.078    72.84
2020.80    0.079    72.46
2020.90    0.079    72.10
2021.00    0.080    71.74
2021.10    0.081    71.39
2021.20    0.081    71.05
2021.30    0.082    70.71
2021.40    0.083    70.37
2021.50    0.083    70.05
2021.60    0.084    69.72
2021.70    0.085    69.40
2021.80    0.085    69.09
2021.90    0.086    68.78
2022.00    0.086    68.47
2022.10    0.087    68.16
2022.20    0.087    67.86
2022.30    0.087    67.57
2022.40    0.088    67.27
2022.50    0.088    66.98
2022.60    0.089    66.69
2022.70    0.089    66.40
2022.80    0.089    66.11
2022.90    0.089    65.83
2023.00    0.090    65.54
2023.10    0.090    65.26
2023.20    0.090    64.98
2023.30    0.090    64.70
2023.40    0.090    64.42
2023.50    0.090    64.14
2023.60    0.090    63.86
2023.70    0.090    63.58
2023.80    0.090    63.30
2023.90    0.090    63.02
2024.00    0.090    62.74
2024.10    0.089    62.46
2024.20    0.089    62.17
2024.30    0.089    61.89
2024.40    0.089    61.60
2024.50    0.088    61.31
2024.60    0.088    61.02
2024.70    0.087    60.72
2024.80    0.087    60.42
2024.90    0.086    60.12
2025.00    0.086    59.81
2025.10    0.085    59.50
2025.20    0.084    59.18
2025.30    0.083    58.86
2025.40    0.082    58.53
2025.50    0.082    58.19
2025.60    0.081    57.85
2025.70    0.079    57.49
2025.80    0.078    57.13
2025.90    0.077    56.75
2026.00    0.076    56.37
2026.10    0.074    55.96
2026.20    0.073    55.55
2026.30    0.071    55.11
2026.40    0.070    54.66
2026.50    0.068    54.18
2026.60    0.066    53.68
2026.70    0.064    53.15
2026.80    0.062    52.58
2026.90    0.060    51.97
2027.00    0.058    51.32
2027.10    0.055    50.61
2027.20    0.053    49.83
2027.30    0.050    48.98
2027.40    0.047    48.01
2027.50    0.044    46.92
2027.60    0.041    45.67
2027.70    0.037    44.19
2027.80    0.034    42.40
2027.90    0.030    40.18
2028.00    0.026    37.31
2028.10    0.022    33.40
2028.20    0.018    27.69
2028.30    0.014    18.56
2028.40    0.010     2.32
2028.50    0.008   332.98
2028.60    0.008   296.61
2028.70    0.011   272.07
2028.80    0.015   258.65
2028.90    0.019   250.68
2029.00    0.023   245.37
2029.10    0.026   241.46
2029.20    0.028   238.37
2029.30    0.031   235.77
2029.40    0.032   233.49
2029.50    0.034   231.41
2029.60    0.035   229.47
2029.70    0.035   227.62
2029.80    0.036   225.81
2029.90    0.036   224.03
2030.00    0.036   222.24
2030.10    0.035   220.44
2030.20    0.035   218.61
2030.30    0.034   216.72
2030.40    0.034   214.78
2030.50    0.033   212.76
2030.60    0.032   210.66
2030.70    0.032   208.46
2030.80    0.031   206.15
2030.90    0.030   203.71
2031.00    0.029   201.14
2031.10    0.028   198.42
2031.20    0.028   195.55
2031.30    0.027   192.52
2031.40    0.026   189.31
2031.50    0.026   185.94
2031.60    0.025   182.39
2031.70    0.024   178.68
2031.80    0.024   174.82
2031.90    0.024   170.83
2032.00    0.023   166.73
2032.10    0.023   162.55
2032.20    0.023   158.34
2032.30    0.023   154.12
2032.40    0.023   149.93
2032.50    0.024   145.82
2032.60    0.024   141.81
2032.70    0.024   137.94
2032.80    0.025   134.22
2032.90    0.026   130.67
2033.00    0.026   127.30
2033.10    0.027   124.12
2033.20    0.028   121.12
2033.30    0.029   118.30
2033.40    0.030   115.66
2033.50    0.031   113.18

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 16:45:12