Double Star Calculator - Orbit

Orbital Elements for I1416

WDS:	I1416	WDS ID/Discoverer
P:	20.290	Orbital period (years)
a:	0.167	Semi-major axis (arcseconds)
i:	112.9	Inclination (degrees)
Ω:	140.0	Longitude of ascending node (degrees)
T:	2000.310	Epoch of periastron passage (year)
e:	0.887	Eccentricity
ω:	38.5	Longitude of periastron (degrees)
Start-Year:	2014.855	Year
End-Year:	2035.145	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I1416
Position:	202014.47-343506.6	Epoch-2000 right ascension and declination
WDS-ID:	20202-3435	WDS designation
Discoverer Code:	I1416	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	193194	HD catalog number
Hipparcos number:	100266	Hipparcos catalog number
V1:	7.09	Magnitude of the primary
V2:	8.19	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2021	Date of last observation
Orbit grade:	2	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 I1416

WDS 6th Orbit including measures of I1416

-- 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 I1416

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.251   308.37
--------------------------
2014.86    0.196   295.44
2014.95    0.194   295.21
2015.05    0.191   294.97
2015.15    0.189   294.72
2015.25    0.187   294.47
2015.35    0.184   294.21
2015.45    0.182   293.95
2015.55    0.179   293.68
2015.65    0.177   293.40
2015.75    0.174   293.11
2015.85    0.172   292.81
2015.95    0.169   292.51
2016.05    0.166   292.19
2016.15    0.164   291.86
2016.25    0.161   291.53
2016.35    0.158   291.18
2016.45    0.155   290.82
2016.55    0.152   290.44
2016.65    0.149   290.05
2016.75    0.146   289.64
2016.85    0.143   289.22
2016.95    0.140   288.78
2017.05    0.137   288.32
2017.15    0.134   287.83
2017.25    0.131   287.33
2017.35    0.127   286.79
2017.45    0.124   286.23
2017.55    0.121   285.64
2017.65    0.117   285.01
2017.75    0.114   284.34
2017.85    0.110   283.63
2017.95    0.107   282.88
2018.05    0.103   282.07
2018.15    0.099   281.20
2018.25    0.095   280.26
2018.35    0.092   279.24
2018.45    0.088   278.14
2018.55    0.084   276.93
2018.65    0.080   275.60
2018.75    0.076   274.13
2018.85    0.072   272.49
2018.95    0.068   270.66
2019.05    0.063   268.59
2019.15    0.059   266.22
2019.25    0.055   263.50
2019.35    0.051   260.33
2019.45    0.047   256.59
2019.55    0.043   252.14
2019.65    0.039   246.76
2019.75    0.035   240.21
2019.85    0.032   232.19
2019.95    0.029   222.42
2020.05    0.027   210.78
2020.15    0.025   197.49
2020.25    0.025   183.20
2020.35    0.025   168.64
2020.45    0.024   153.81
2020.55    0.020   135.80
2020.65    0.010    90.02
2020.75    0.015     3.64
2020.85    0.028   342.56
2020.95    0.041   334.97
2021.05    0.052   330.85
2021.15    0.063   328.15
2021.25    0.072   326.18
2021.35    0.081   324.65
2021.45    0.089   323.41
2021.55    0.096   322.37
2021.65    0.103   321.48
2021.75    0.110   320.70
2021.85    0.116   320.00
2021.95    0.122   319.38
2022.05    0.128   318.81
2022.15    0.134   318.29
2022.25    0.139   317.82
2022.35    0.144   317.37
2022.45    0.149   316.96
2022.55    0.153   316.57
2022.65    0.158   316.20
2022.75    0.162   315.85
2022.85    0.166   315.52
2022.95    0.170   315.21
2023.05    0.174   314.91
2023.15    0.178   314.62
2023.25    0.181   314.35
2023.35    0.185   314.08
2023.45    0.188   313.83
2023.55    0.192   313.58
2023.65    0.195   313.34
2023.75    0.198   313.11
2023.85    0.201   312.89
2023.95    0.203   312.67
2024.05    0.206   312.46
2024.15    0.209   312.25
2024.25    0.211   312.05
2024.35    0.214   311.85
2024.45    0.216   311.66
2024.55    0.219   311.47
2024.65    0.221   311.29
2024.75    0.223   311.11
2024.85    0.225   310.93
2024.95    0.227   310.76
2025.05    0.229   310.58
2025.15    0.231   310.42
2025.25    0.233   310.25
2025.35    0.235   310.09
2025.45    0.236   309.93
2025.55    0.238   309.77
2025.65    0.240   309.61
2025.75    0.241   309.46
2025.85    0.243   309.31
2025.95    0.244   309.16
2026.05    0.245   309.01
2026.15    0.247   308.86
2026.25    0.248   308.72
2026.35    0.249   308.57
2026.45    0.250   308.43
2026.55    0.251   308.29
2026.65    0.252   308.15
2026.75    0.253   308.01
2026.85    0.254   307.87
2026.95    0.255   307.73
2027.05    0.256   307.60
2027.15    0.257   307.46
2027.25    0.258   307.33
2027.35    0.258   307.20
2027.45    0.259   307.06
2027.55    0.260   306.93
2027.65    0.260   306.80
2027.75    0.261   306.67
2027.85    0.261   306.54
2027.95    0.262   306.41
2028.05    0.262   306.28
2028.15    0.262   306.15
2028.25    0.263   306.02
2028.35    0.263   305.89
2028.45    0.263   305.76
2028.55    0.263   305.63
2028.65    0.264   305.50
2028.75    0.264   305.38
2028.85    0.264   305.25
2028.95    0.264   305.12
2029.05    0.264   304.99
2029.15    0.264   304.87
2029.25    0.264   304.74
2029.35    0.264   304.61
2029.45    0.263   304.48
2029.55    0.263   304.35
2029.65    0.263   304.22
2029.75    0.263   304.10
2029.85    0.262   303.97
2029.95    0.262   303.84
2030.05    0.262   303.71
2030.15    0.261   303.58
2030.25    0.261   303.45
2030.35    0.260   303.32
2030.45    0.260   303.19
2030.55    0.259   303.05
2030.65    0.259   302.92
2030.75    0.258   302.79
2030.85    0.257   302.65
2030.95    0.257   302.52
2031.05    0.256   302.38
2031.15    0.255   302.25
2031.25    0.254   302.11
2031.35    0.254   301.97
2031.45    0.253   301.84
2031.55    0.252   301.70
2031.65    0.251   301.55
2031.75    0.250   301.41
2031.85    0.249   301.27
2031.95    0.248   301.13
2032.05    0.247   300.98
2032.15    0.246   300.83
2032.25    0.245   300.69
2032.35    0.243   300.54
2032.45    0.242   300.39
2032.55    0.241   300.23
2032.65    0.240   300.08
2032.75    0.238   299.92
2032.85    0.237   299.77
2032.95    0.236   299.61
2033.05    0.234   299.45
2033.15    0.233   299.28
2033.25    0.231   299.12
2033.35    0.230   298.95
2033.45    0.228   298.78
2033.55    0.226   298.61
2033.65    0.225   298.43
2033.75    0.223   298.25
2033.85    0.221   298.07
2033.95    0.220   297.89
2034.05    0.218   297.71
2034.15    0.216   297.52
2034.25    0.214   297.32
2034.35    0.212   297.13
2034.45    0.210   296.93
2034.55    0.208   296.73
2034.65    0.206   296.52
2034.75    0.204   296.31
2034.85    0.202   296.09
2034.95    0.200   295.87
2035.05    0.198   295.65

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 18:13:52