Double Star Calculator - Orbit

Orbital Elements for MCY2

WDS:	MCY2	WDS ID/Discoverer
P:	19.542	Orbital period (years)
a:	0.6104	Semi-major axis (arcseconds)
i:	100.36	Inclination (degrees)
Ω:	32.25	Longitude of ascending node (degrees)
T:	2016.702	Epoch of periastron passage (year)
e:	0.4367	Eccentricity
ω:	27.15	Longitude of periastron (degrees)
Start-Year:	2015.229	Year
End-Year:	2034.771	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for MCY2
Position:	014147.14+423648.1	Epoch-2000 right ascension and declination
WDS-ID:	01418+4237	WDS designation
Discoverer Code:	MCY2	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	10307	HD catalog number
Hipparcos number:	7918	Hipparcos catalog number
V1:	5.0	Magnitude of the primary
V2:	12.8	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Trr2022	Reference

Double Star Orbit for MCY2

WDS 6th Orbit including measures of MCY2

-- 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 MCY2

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.782   206.93
--------------------------
2015.23    0.328    40.68
2015.33    0.337    39.68
2015.43    0.344    38.72
2015.53    0.350    37.80
2015.63    0.355    36.91
2015.73    0.359    36.03
2015.83    0.361    35.18
2015.93    0.361    34.32
2016.03    0.360    33.47
2016.13    0.357    32.61
2016.23    0.353    31.73
2016.33    0.347    30.82
2016.43    0.338    29.88
2016.53    0.329    28.88
2016.63    0.317    27.81
2016.73    0.303    26.66
2016.83    0.288    25.39
2016.93    0.272    23.98
2017.03    0.254    22.37
2017.13    0.235    20.51
2017.23    0.215    18.32
2017.33    0.194    15.66
2017.43    0.173    12.36
2017.53    0.152     8.12
2017.63    0.131     2.52
2017.73    0.111   354.85
2017.83    0.094   344.10
2017.93    0.080   329.18
2018.03    0.074   310.24
2018.13    0.077   290.31
2018.23    0.087   273.41
2018.33    0.103   260.91
2018.43    0.122   252.03
2018.53    0.143   245.64
2018.63    0.165   240.92
2018.73    0.187   237.32
2018.83    0.209   234.48
2018.93    0.232   232.20
2019.03    0.254   230.31
2019.13    0.276   228.73
2019.23    0.298   227.38
2019.33    0.319   226.22
2019.43    0.340   225.20
2019.53    0.361   224.29
2019.63    0.381   223.49
2019.73    0.401   222.76
2019.83    0.420   222.10
2019.93    0.439   221.50
2020.03    0.457   220.94
2020.13    0.475   220.43
2020.23    0.492   219.96
2020.33    0.509   219.51
2020.43    0.525   219.10
2020.53    0.541   218.71
2020.63    0.557   218.34
2020.73    0.572   217.99
2020.83    0.586   217.66
2020.93    0.600   217.34
2021.03    0.614   217.04
2021.13    0.627   216.75
2021.23    0.640   216.48
2021.33    0.652   216.21
2021.43    0.664   215.95
2021.53    0.675   215.71
2021.63    0.686   215.47
2021.73    0.696   215.23
2021.83    0.706   215.01
2021.93    0.716   214.79
2022.03    0.725   214.57
2022.13    0.734   214.37
2022.23    0.743   214.16
2022.33    0.751   213.96
2022.43    0.758   213.77
2022.53    0.766   213.58
2022.63    0.773   213.39
2022.73    0.779   213.21
2022.83    0.785   213.02
2022.93    0.791   212.84
2023.03    0.796   212.67
2023.13    0.801   212.49
2023.23    0.806   212.32
2023.33    0.810   212.15
2023.43    0.814   211.98
2023.53    0.818   211.82
2023.63    0.821   211.65
2023.73    0.824   211.49
2023.83    0.827   211.33
2023.93    0.829   211.16
2024.03    0.831   211.00
2024.13    0.833   210.84
2024.23    0.834   210.68
2024.33    0.835   210.52
2024.43    0.836   210.36
2024.53    0.836   210.20
2024.63    0.836   210.05
2024.73    0.836   209.89
2024.83    0.835   209.73
2024.93    0.834   209.57
2025.03    0.833   209.41
2025.13    0.831   209.25
2025.23    0.830   209.09
2025.33    0.828   208.93
2025.43    0.825   208.76
2025.53    0.823   208.60
2025.63    0.820   208.43
2025.73    0.816   208.27
2025.83    0.813   208.10
2025.93    0.809   207.93
2026.03    0.805   207.76
2026.13    0.801   207.59
2026.23    0.796   207.42
2026.33    0.791   207.24
2026.43    0.786   207.06
2026.53    0.781   206.88
2026.63    0.775   206.70
2026.73    0.769   206.51
2026.83    0.763   206.32
2026.93    0.756   206.13
2027.03    0.750   205.93
2027.13    0.743   205.73
2027.23    0.735   205.53
2027.33    0.728   205.32
2027.43    0.720   205.11
2027.53    0.712   204.89
2027.63    0.704   204.67
2027.73    0.696   204.44
2027.83    0.687   204.21
2027.93    0.678   203.97
2028.03    0.669   203.73
2028.13    0.659   203.48
2028.23    0.650   203.22
2028.33    0.640   202.95
2028.43    0.630   202.68
2028.53    0.619   202.39
2028.63    0.609   202.10
2028.73    0.598   201.79
2028.83    0.587   201.47
2028.93    0.576   201.15
2029.03    0.564   200.80
2029.13    0.553   200.45
2029.23    0.541   200.08
2029.33    0.529   199.69
2029.43    0.517   199.28
2029.53    0.504   198.86
2029.63    0.492   198.41
2029.73    0.479   197.94
2029.83    0.466   197.44
2029.93    0.453   196.92
2030.03    0.440   196.36
2030.13    0.426   195.76
2030.23    0.412   195.13
2030.33    0.399   194.46
2030.43    0.385   193.73
2030.53    0.371   192.95
2030.63    0.356   192.11
2030.73    0.342   191.20
2030.83    0.328   190.21
2030.93    0.313   189.13
2031.03    0.299   187.95
2031.13    0.284   186.64
2031.23    0.270   185.19
2031.33    0.255   183.58
2031.43    0.241   181.77
2031.53    0.226   179.73
2031.63    0.212   177.42
2031.73    0.198   174.78
2031.83    0.185   171.74
2031.93    0.171   168.23
2032.03    0.159   164.15
2032.13    0.147   159.41
2032.23    0.137   153.88
2032.33    0.127   147.48
2032.43    0.120   140.17
2032.53    0.114   132.03
2032.63    0.111   123.25
2032.73    0.111   114.18
2032.83    0.113   105.25
2032.93    0.117    96.84
2033.03    0.124    89.20
2033.13    0.133    82.46
2033.23    0.143    76.61
2033.33    0.154    71.56
2033.43    0.166    67.22
2033.53    0.179    63.48
2033.63    0.192    60.23
2033.73    0.205    57.40
2033.83    0.218    54.92
2033.93    0.231    52.72
2034.03    0.245    50.76
2034.13    0.257    48.99
2034.23    0.270    47.39
2034.33    0.282    45.94
2034.43    0.294    44.60
2034.53    0.305    43.36
2034.63    0.315    42.20
2034.73    0.325    41.12

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 14:52:56