Double Star Calculator - Orbit

Orbital Elements for A417AB

WDS:	A417AB	WDS ID/Discoverer
P:	21.840	Orbital period (years)
a:	0.2026	Semi-major axis (arcseconds)
i:	48.01	Inclination (degrees)
Ω:	204.87	Longitude of ascending node (degrees)
T:	1983.108	Epoch of periastron passage (year)
e:	0.3878	Eccentricity
ω:	82.83	Longitude of periastron (degrees)
Start-Year:	2014.08	Year
End-Year:	2035.92	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A417AB
Position:	230509.71-074137.7	Epoch-2000 right ascension and declination
WDS-ID:	23052-0742	WDS designation
Discoverer Code:	A417AB	Discover designation and components
ADS number:	16497	Aitken Double Star catalog
HD number:	218060	HD catalog number
Hipparcos number:	113996	Hipparcos catalog number
V1:	6.20	Magnitude of the primary
V2:	6.34	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		Date of last observation
Orbit grade:	1	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Hrt1996a	Reference

Double Star Orbit for A417AB

WDS 6th Orbit including measures of A417AB

-- 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 A417AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.089   267.90
--------------------------
2014.08    0.199    84.43
2014.18    0.199    85.49
2014.28    0.198    86.55
2014.38    0.197    87.62
2014.48    0.197    88.69
2014.58    0.196    89.77
2014.68    0.196    90.86
2014.78    0.195    91.95
2014.88    0.195    93.05
2014.98    0.194    94.16
2015.08    0.194    95.27
2015.18    0.193    96.38
2015.28    0.193    97.51
2015.38    0.192    98.64
2015.48    0.192    99.77
2015.58    0.191   100.91
2015.68    0.191   102.05
2015.78    0.190   103.20
2015.88    0.190   104.36
2015.98    0.189   105.52
2016.08    0.189   106.68
2016.18    0.189   107.85
2016.28    0.188   109.03
2016.38    0.188   110.20
2016.48    0.188   111.38
2016.58    0.188   112.57
2016.68    0.187   113.75
2016.78    0.187   114.94
2016.88    0.187   116.13
2016.98    0.187   117.33
2017.08    0.187   118.53
2017.18    0.187   119.72
2017.28    0.186   120.92
2017.38    0.186   122.13
2017.48    0.186   123.33
2017.58    0.186   124.53
2017.68    0.186   125.73
2017.78    0.186   126.94
2017.88    0.186   128.14
2017.98    0.186   129.34
2018.08    0.186   130.54
2018.18    0.186   131.74
2018.28    0.187   132.94
2018.38    0.187   134.14
2018.48    0.187   135.34
2018.58    0.187   136.53
2018.68    0.187   137.73
2018.78    0.187   138.92
2018.88    0.187   140.10
2018.98    0.188   141.29
2019.08    0.188   142.47
2019.18    0.188   143.65
2019.28    0.188   144.83
2019.38    0.189   146.01
2019.48    0.189   147.18
2019.58    0.189   148.35
2019.68    0.189   149.51
2019.78    0.190   150.67
2019.88    0.190   151.83
2019.98    0.190   152.99
2020.08    0.190   154.14
2020.18    0.191   155.29
2020.28    0.191   156.44
2020.38    0.191   157.58
2020.48    0.191   158.73
2020.58    0.191   159.87
2020.68    0.192   161.00
2020.78    0.192   162.14
2020.88    0.192   163.27
2020.98    0.192   164.41
2021.08    0.192   165.54
2021.18    0.192   166.67
2021.28    0.192   167.80
2021.38    0.192   168.93
2021.48    0.192   170.05
2021.58    0.192   171.18
2021.68    0.192   172.31
2021.78    0.192   173.45
2021.88    0.192   174.58
2021.98    0.191   175.72
2022.08    0.191   176.86
2022.18    0.191   178.00
2022.28    0.190   179.15
2022.38    0.190   180.31
2022.48    0.189   181.47
2022.58    0.189   182.63
2022.68    0.188   183.81
2022.78    0.187   184.99
2022.88    0.186   186.19
2022.98    0.186   187.39
2023.08    0.185   188.61
2023.18    0.183   189.84
2023.28    0.182   191.09
2023.38    0.181   192.36
2023.48    0.180   193.64
2023.58    0.178   194.94
2023.68    0.176   196.27
2023.78    0.175   197.63
2023.88    0.173   199.01
2023.98    0.171   200.42
2024.08    0.169   201.87
2024.18    0.167   203.35
2024.28    0.164   204.88
2024.38    0.162   206.45
2024.48    0.159   208.07
2024.58    0.156   209.75
2024.68    0.153   211.49
2024.78    0.150   213.30
2024.88    0.147   215.19
2024.98    0.144   217.16
2025.08    0.140   219.23
2025.18    0.137   221.40
2025.28    0.133   223.69
2025.38    0.129   226.12
2025.48    0.125   228.69
2025.58    0.121   231.43
2025.68    0.117   234.36
2025.78    0.114   237.48
2025.88    0.110   240.84
2025.98    0.106   244.44
2026.08    0.102   248.32
2026.18    0.098   252.48
2026.28    0.095   256.96
2026.38    0.092   261.74
2026.48    0.089   266.84
2026.58    0.087   272.24
2026.68    0.085   277.89
2026.78    0.084   283.75
2026.88    0.083   289.73
2026.98    0.083   295.77
2027.08    0.084   301.76
2027.18    0.085   307.62
2027.28    0.087   313.28
2027.38    0.089   318.68
2027.48    0.092   323.79
2027.58    0.095   328.58
2027.68    0.098   333.05
2027.78    0.102   337.21
2027.88    0.106   341.07
2027.98    0.110   344.65
2028.08    0.114   347.97
2028.18    0.118   351.07
2028.28    0.122   353.95
2028.38    0.127   356.64
2028.48    0.131   359.15
2028.58    0.135     1.52
2028.68    0.139     3.75
2028.78    0.143     5.85
2028.88    0.147     7.84
2028.98    0.150     9.73
2029.08    0.154    11.53
2029.18    0.157    13.26
2029.28    0.161    14.90
2029.38    0.164    16.48
2029.48    0.167    18.00
2029.58    0.170    19.47
2029.68    0.173    20.89
2029.78    0.176    22.26
2029.88    0.178    23.59
2029.98    0.181    24.88
2030.08    0.183    26.14
2030.18    0.186    27.36
2030.28    0.188    28.56
2030.38    0.190    29.73
2030.48    0.192    30.88
2030.58    0.193    32.01
2030.68    0.195    33.11
2030.78    0.197    34.20
2030.88    0.198    35.27
2030.98    0.200    36.33
2031.08    0.201    37.37
2031.18    0.202    38.39
2031.28    0.203    39.41
2031.38    0.204    40.41
2031.48    0.205    41.41
2031.58    0.206    42.40
2031.68    0.207    43.37
2031.78    0.208    44.34
2031.88    0.208    45.31
2031.98    0.209    46.27
2032.08    0.209    47.22
2032.18    0.210    48.17
2032.28    0.210    49.12
2032.38    0.211    50.06
2032.48    0.211    51.00
2032.58    0.211    51.94
2032.68    0.211    52.87
2032.78    0.211    53.81
2032.88    0.211    54.74
2032.98    0.211    55.68
2033.08    0.211    56.61
2033.18    0.211    57.55
2033.28    0.211    58.48
2033.38    0.211    59.42
2033.48    0.211    60.36
2033.58    0.211    61.30
2033.68    0.210    62.24
2033.78    0.210    63.18
2033.88    0.210    64.13
2033.98    0.209    65.08
2034.08    0.209    66.04
2034.18    0.209    66.99
2034.28    0.208    67.96
2034.38    0.208    68.92
2034.48    0.207    69.89
2034.58    0.207    70.86
2034.68    0.206    71.84
2034.78    0.206    72.83
2034.88    0.205    73.82
2034.98    0.205    74.81
2035.08    0.204    75.81
2035.18    0.203    76.81
2035.28    0.203    77.83
2035.38    0.202    78.84
2035.48    0.202    79.86
2035.58    0.201    80.89
2035.68    0.201    81.93
2035.78    0.200    82.97
2035.88    0.199    84.01

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 18:47:04