Double Star Calculator - Orbit

Orbital Elements for YSC210

WDS:	YSC210	WDS ID/Discoverer
P:	17.730	Orbital period (years)
a:	0.163	Semi-major axis (arcseconds)
i:	117.9	Inclination (degrees)
Ω:	27.4	Longitude of ascending node (degrees)
T:	2008.880	Epoch of periastron passage (year)
e:	0.177	Eccentricity
ω:	314.1	Longitude of periastron (degrees)
Start-Year:	2016.135	Year
End-Year:	2033.865	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for YSC210
Position:	114334.15-140112.0	Epoch-2000 right ascension and declination
WDS-ID:	11436-1401	WDS designation
Discoverer Code:	YSC210	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	101896	HD catalog number
Hipparcos number:	57181	Hipparcos catalog number
V1:	9.0	Magnitude of the primary
V2:	9.0	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2023	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:	Tok2023a	Reference

Double Star Orbit for YSC210

WDS 6th Orbit including measures of YSC210

-- 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 YSC210

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.100    55.82
--------------------------
2016.13    0.106   258.63
2016.23    0.108   256.46
2016.33    0.111   254.40
2016.43    0.114   252.43
2016.53    0.116   250.55
2016.63    0.119   248.75
2016.73    0.122   247.04
2016.83    0.124   245.39
2016.93    0.127   243.82
2017.03    0.130   242.32
2017.13    0.133   240.87
2017.23    0.135   239.49
2017.33    0.138   238.15
2017.43    0.140   236.87
2017.53    0.143   235.63
2017.63    0.146   234.44
2017.73    0.148   233.29
2017.83    0.150   232.17
2017.93    0.153   231.09
2018.03    0.155   230.04
2018.13    0.157   229.02
2018.23    0.159   228.03
2018.33    0.162   227.07
2018.43    0.164   226.13
2018.53    0.165   225.21
2018.63    0.167   224.31
2018.73    0.169   223.43
2018.83    0.171   222.57
2018.93    0.172   221.73
2019.03    0.174   220.89
2019.13    0.175   220.08
2019.23    0.176   219.27
2019.33    0.177   218.47
2019.43    0.178   217.69
2019.53    0.179   216.91
2019.63    0.180   216.14
2019.73    0.181   215.38
2019.83    0.181   214.62
2019.93    0.182   213.86
2020.03    0.182   213.11
2020.13    0.182   212.36
2020.23    0.182   211.61
2020.33    0.182   210.86
2020.43    0.182   210.11
2020.53    0.182   209.36
2020.63    0.181   208.60
2020.73    0.180   207.84
2020.83    0.180   207.08
2020.93    0.179   206.31
2021.03    0.178   205.52
2021.13    0.177   204.73
2021.23    0.175   203.93
2021.33    0.174   203.12
2021.43    0.172   202.29
2021.53    0.171   201.45
2021.63    0.169   200.59
2021.73    0.167   199.71
2021.83    0.165   198.80
2021.93    0.163   197.88
2022.03    0.160   196.92
2022.13    0.158   195.94
2022.23    0.155   194.92
2022.33    0.152   193.87
2022.43    0.149   192.78
2022.53    0.146   191.64
2022.63    0.143   190.46
2022.73    0.140   189.22
2022.83    0.137   187.91
2022.93    0.133   186.55
2023.03    0.129   185.11
2023.13    0.126   183.58
2023.23    0.122   181.96
2023.33    0.118   180.25
2023.43    0.114   178.41
2023.53    0.111   176.45
2023.63    0.107   174.34
2023.73    0.103   172.07
2023.83    0.099   169.62
2023.93    0.095   166.97
2024.03    0.091   164.10
2024.13    0.087   160.98
2024.23    0.084   157.58
2024.33    0.080   153.90
2024.43    0.077   149.90
2024.53    0.074   145.57
2024.63    0.072   140.91
2024.73    0.070   135.93
2024.83    0.068   130.66
2024.93    0.066   125.14
2025.03    0.066   119.45
2025.13    0.065   113.66
2025.23    0.066   107.88
2025.33    0.067   102.19
2025.43    0.068    96.68
2025.53    0.070    91.41
2025.63    0.072    86.43
2025.73    0.074    81.77
2025.83    0.077    77.43
2025.93    0.080    73.42
2026.03    0.083    69.71
2026.13    0.087    66.28
2026.23    0.090    63.12
2026.33    0.094    60.19
2026.43    0.097    57.48
2026.53    0.101    54.95
2026.63    0.105    52.60
2026.73    0.108    50.40
2026.83    0.111    48.33
2026.93    0.115    46.39
2027.03    0.118    44.54
2027.13    0.121    42.79
2027.23    0.123    41.12
2027.33    0.126    39.52
2027.43    0.128    37.99
2027.53    0.131    36.51
2027.63    0.133    35.07
2027.73    0.135    33.68
2027.83    0.136    32.33
2027.93    0.138    31.00
2028.03    0.139    29.71
2028.13    0.140    28.43
2028.23    0.141    27.16
2028.33    0.141    25.92
2028.43    0.142    24.68
2028.53    0.142    23.44
2028.63    0.142    22.21
2028.73    0.142    20.97
2028.83    0.141    19.73
2028.93    0.141    18.48
2029.03    0.140    17.22
2029.13    0.139    15.95
2029.23    0.138    14.66
2029.33    0.137    13.34
2029.43    0.135    12.00
2029.53    0.134    10.63
2029.63    0.132     9.23
2029.73    0.131     7.80
2029.83    0.129     6.32
2029.93    0.127     4.80
2030.03    0.125     3.23
2030.13    0.123     1.61
2030.23    0.120   359.93
2030.33    0.118   358.18
2030.43    0.116   356.37
2030.53    0.114   354.49
2030.63    0.111   352.53
2030.73    0.109   350.48
2030.83    0.107   348.35
2030.93    0.104   346.12
2031.03    0.102   343.79
2031.13    0.100   341.37
2031.23    0.098   338.83
2031.33    0.096   336.19
2031.43    0.094   333.44
2031.53    0.092   330.58
2031.63    0.091   327.61
2031.73    0.089   324.54
2031.83    0.088   321.37
2031.93    0.087   318.11
2032.03    0.086   314.77
2032.13    0.085   311.37
2032.23    0.085   307.93
2032.33    0.084   304.45
2032.43    0.084   300.96
2032.53    0.085   297.48
2032.63    0.085   294.03
2032.73    0.086   290.62
2032.83    0.087   287.28
2032.93    0.088   284.01
2033.03    0.089   280.83
2033.13    0.091   277.75
2033.23    0.092   274.78
2033.33    0.094   271.91
2033.43    0.096   269.16
2033.53    0.098   266.53
2033.63    0.100   264.01
2033.73    0.103   261.60
2033.83    0.105   259.30

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 16:41:05