Double Star Calculator - Orbit

Orbital Elements for HDS385

WDS:	HDS385	WDS ID/Discoverer
P:	14.893	Orbital period (years)
a:	0.1169	Semi-major axis (arcseconds)
i:	54.3	Inclination (degrees)
Ω:	161.4	Longitude of ascending node (degrees)
T:	2013.111	Epoch of periastron passage (year)
e:	0.419	Eccentricity
ω:	195.5	Longitude of periastron (degrees)
Start-Year:	2017.5535	Year
End-Year:	2032.4465	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS385
Position:	030122.67+061457.6	Epoch-2000 right ascension and declination
WDS-ID:	03014+0615	WDS designation
Discoverer Code:	HDS385	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	18774	HD catalog number
Hipparcos number:	14075	Hipparcos catalog number
V1:	9.52	Magnitude of the primary
V2:	9.97	Magnitude of the secondary
Equinox:		Equinox
Date:	2017	Date of last observation
Orbit grade:	2	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Tok2019c	Reference

Double Star Orbit for HDS385

WDS 6th Orbit including measures of HDS385

-- 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 HDS385

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.061   290.85
--------------------------
2017.55    0.140   149.32
2017.65    0.142   150.19
2017.75    0.144   151.05
2017.85    0.146   151.88
2017.95    0.148   152.69
2018.05    0.149   153.48
2018.15    0.151   154.25
2018.25    0.152   155.01
2018.35    0.154   155.76
2018.45    0.155   156.49
2018.55    0.156   157.21
2018.65    0.157   157.93
2018.75    0.158   158.63
2018.85    0.159   159.32
2018.95    0.160   160.01
2019.05    0.161   160.68
2019.15    0.162   161.36
2019.25    0.162   162.03
2019.35    0.163   162.69
2019.45    0.163   163.35
2019.55    0.163   164.01
2019.65    0.164   164.66
2019.75    0.164   165.31
2019.85    0.164   165.97
2019.95    0.164   166.62
2020.05    0.164   167.27
2020.15    0.163   167.93
2020.25    0.163   168.58
2020.35    0.163   169.24
2020.45    0.162   169.90
2020.55    0.162   170.57
2020.65    0.161   171.24
2020.75    0.161   171.91
2020.85    0.160   172.59
2020.95    0.159   173.28
2021.05    0.158   173.97
2021.15    0.157   174.68
2021.25    0.156   175.39
2021.35    0.155   176.11
2021.45    0.154   176.84
2021.55    0.153   177.59
2021.65    0.151   178.35
2021.75    0.150   179.12
2021.85    0.148   179.91
2021.95    0.147   180.71
2022.05    0.145   181.53
2022.15    0.144   182.37
2022.25    0.142   183.23
2022.35    0.140   184.11
2022.45    0.138   185.02
2022.55    0.136   185.95
2022.65    0.134   186.91
2022.75    0.132   187.90
2022.85    0.130   188.92
2022.95    0.128   189.97
2023.05    0.125   191.07
2023.15    0.123   192.20
2023.25    0.121   193.38
2023.35    0.118   194.60
2023.45    0.116   195.88
2023.55    0.113   197.21
2023.65    0.111   198.60
2023.75    0.108   200.06
2023.85    0.106   201.59
2023.95    0.103   203.19
2024.05    0.100   204.88
2024.15    0.098   206.67
2024.25    0.095   208.55
2024.35    0.092   210.54
2024.45    0.090   212.65
2024.55    0.087   214.88
2024.65    0.085   217.26
2024.75    0.082   219.78
2024.85    0.079   222.47
2024.95    0.077   225.33
2025.05    0.075   228.37
2025.15    0.072   231.61
2025.25    0.070   235.04
2025.35    0.068   238.69
2025.45    0.067   242.54
2025.55    0.065   246.59
2025.65    0.063   250.84
2025.75    0.062   255.27
2025.85    0.061   259.85
2025.95    0.061   264.56
2026.05    0.060   269.35
2026.15    0.060   274.20
2026.25    0.060   279.06
2026.35    0.060   283.90
2026.45    0.061   288.66
2026.55    0.062   293.34
2026.65    0.062   297.91
2026.75    0.063   302.34
2026.85    0.064   306.64
2026.95    0.065   310.81
2027.05    0.066   314.85
2027.15    0.067   318.77
2027.25    0.068   322.59
2027.35    0.069   326.34
2027.45    0.069   330.02
2027.55    0.069   333.68
2027.65    0.069   337.33
2027.75    0.069   341.01
2027.85    0.068   344.76
2027.95    0.067   348.60
2028.05    0.066   352.58
2028.15    0.064   356.75
2028.25    0.062     1.15
2028.35    0.060     5.82
2028.45    0.058    10.82
2028.55    0.056    16.18
2028.65    0.054    21.95
2028.75    0.052    28.12
2028.85    0.051    34.69
2028.95    0.050    41.61
2029.05    0.049    48.77
2029.15    0.049    56.04
2029.25    0.049    63.28
2029.35    0.050    70.31
2029.45    0.052    77.03
2029.55    0.054    83.32
2029.65    0.056    89.14
2029.75    0.059    94.47
2029.85    0.062    99.32
2029.95    0.065   103.72
2030.05    0.068   107.70
2030.15    0.071   111.31
2030.25    0.075   114.59
2030.35    0.078   117.58
2030.45    0.082   120.31
2030.55    0.085   122.81
2030.65    0.089   125.11
2030.75    0.092   127.24
2030.85    0.096   129.22
2030.95    0.099   131.06
2031.05    0.103   132.77
2031.15    0.106   134.39
2031.25    0.109   135.90
2031.35    0.112   137.33
2031.45    0.115   138.69
2031.55    0.118   139.97
2031.65    0.121   141.20
2031.75    0.124   142.37
2031.85    0.126   143.49
2031.95    0.129   144.56
2032.05    0.131   145.59
2032.15    0.134   146.59
2032.25    0.136   147.55
2032.35    0.138   148.48

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 15:06:50