Double Star Calculator - Orbit

Orbital Elements for HDS1676

WDS:	HDS1676	WDS ID/Discoverer
P:	15.200	Orbital period (years)
a:	0.132	Semi-major axis (arcseconds)
i:	38.1	Inclination (degrees)
Ω:	326.3	Longitude of ascending node (degrees)
T:	2001.150	Epoch of periastron passage (year)
e:	0.733	Eccentricity
ω:	315.5	Longitude of periastron (degrees)
Start-Year:	2017.4	Year
End-Year:	2032.6	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1676
Position:	115227.18-140739.2	Epoch-2000 right ascension and declination
WDS-ID:	11525-1408	WDS designation
Discoverer Code:	HDS1676	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	103130	HD catalog number
Hipparcos number:	57894	Hipparcos catalog number
V1:	8.08	Magnitude of the primary
V2:	9.33	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2017	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:	Tok2017c	Reference

Double Star Orbit for HDS1676

WDS 6th Orbit including measures of HDS1676

-- 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 HDS1676

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.200   121.83
--------------------------
2017.40    0.071    30.43
2017.50    0.074    34.64
2017.60    0.078    38.48
2017.70    0.081    41.98
2017.80    0.085    45.20
2017.90    0.088    48.16
2018.00    0.091    50.91
2018.10    0.095    53.45
2018.20    0.098    55.83
2018.30    0.101    58.04
2018.40    0.105    60.12
2018.50    0.108    62.08
2018.60    0.111    63.92
2018.70    0.114    65.67
2018.80    0.117    67.32
2018.90    0.120    68.88
2019.00    0.123    70.38
2019.10    0.126    71.80
2019.20    0.129    73.16
2019.30    0.132    74.46
2019.40    0.134    75.71
2019.50    0.137    76.90
2019.60    0.140    78.06
2019.70    0.142    79.17
2019.80    0.145    80.24
2019.90    0.147    81.27
2020.00    0.150    82.27
2020.10    0.152    83.24
2020.20    0.155    84.18
2020.30    0.157    85.09
2020.40    0.159    85.97
2020.50    0.161    86.84
2020.60    0.163    87.67
2020.70    0.165    88.49
2020.80    0.168    89.29
2020.90    0.169    90.07
2021.00    0.171    90.83
2021.10    0.173    91.57
2021.20    0.175    92.30
2021.30    0.177    93.01
2021.40    0.179    93.71
2021.50    0.180    94.39
2021.60    0.182    95.07
2021.70    0.184    95.73
2021.80    0.185    96.38
2021.90    0.187    97.02
2022.00    0.188    97.65
2022.10    0.189    98.27
2022.20    0.191    98.88
2022.30    0.192    99.48
2022.40    0.193   100.08
2022.50    0.194   100.67
2022.60    0.196   101.25
2022.70    0.197   101.82
2022.80    0.198   102.39
2022.90    0.199   102.95
2023.00    0.200   103.51
2023.10    0.201   104.06
2023.20    0.201   104.61
2023.30    0.202   105.15
2023.40    0.203   105.69
2023.50    0.204   106.22
2023.60    0.204   106.75
2023.70    0.205   107.28
2023.80    0.206   107.80
2023.90    0.206   108.32
2024.00    0.206   108.84
2024.10    0.207   109.36
2024.20    0.207   109.88
2024.30    0.208   110.39
2024.40    0.208   110.90
2024.50    0.208   111.41
2024.60    0.208   111.92
2024.70    0.208   112.43
2024.80    0.208   112.94
2024.90    0.208   113.45
2025.00    0.208   113.96
2025.10    0.208   114.47
2025.20    0.208   114.98
2025.30    0.208   115.50
2025.40    0.207   116.01
2025.50    0.207   116.52
2025.60    0.207   117.04
2025.70    0.206   117.56
2025.80    0.206   118.08
2025.90    0.205   118.61
2026.00    0.204   119.13
2026.10    0.204   119.66
2026.20    0.203   120.20
2026.30    0.202   120.74
2026.40    0.201   121.28
2026.50    0.200   121.83
2026.60    0.199   122.38
2026.70    0.198   122.94
2026.80    0.197   123.51
2026.90    0.196   124.08
2027.00    0.194   124.66
2027.10    0.193   125.25
2027.20    0.192   125.85
2027.30    0.190   126.46
2027.40    0.188   127.07
2027.50    0.187   127.70
2027.60    0.185   128.34
2027.70    0.183   128.99
2027.80    0.181   129.66
2027.90    0.179   130.34
2028.00    0.177   131.04
2028.10    0.175   131.75
2028.20    0.173   132.48
2028.30    0.170   133.23
2028.40    0.168   134.00
2028.50    0.165   134.80
2028.60    0.163   135.62
2028.70    0.160   136.47
2028.80    0.157   137.36
2028.90    0.154   138.27
2029.00    0.151   139.22
2029.10    0.147   140.22
2029.20    0.144   141.26
2029.30    0.140   142.35
2029.40    0.137   143.50
2029.50    0.133   144.72
2029.60    0.129   146.01
2029.70    0.125   147.38
2029.80    0.120   148.85
2029.90    0.116   150.44
2030.00    0.111   152.15
2030.10    0.106   154.02
2030.20    0.101   156.08
2030.30    0.096   158.37
2030.40    0.090   160.93
2030.50    0.084   163.84
2030.60    0.078   167.21
2030.70    0.072   171.16
2030.80    0.065   175.91
2030.90    0.058   181.76
2031.00    0.051   189.20
2031.10    0.044   198.98
2031.20    0.038   212.21
2031.30    0.033   230.14
2031.40    0.030   252.81
2031.50    0.031   277.18
2031.60    0.033   299.00
2031.70    0.037   316.70
2031.80    0.042   330.92
2031.90    0.045   342.60
2032.00    0.049   352.45
2032.10    0.053     0.92
2032.20    0.057     8.30
2032.30    0.060    14.81
2032.40    0.064    20.60
2032.50    0.067    25.77

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 16:42:03