Double Star Calculator - Orbit

Orbital Elements for RST4816BA,BB
WDS: RST4816BA,BB WDS ID/Discoverer
P: 14.030 Orbital period (years)
a: 0.182 Semi-major axis (arcseconds)
i: 111.9 Inclination (degrees)
Ω: 288.8 Longitude of ascending node (degrees)
T: 2004.090 Epoch of periastron passage (year)
e: 0.577 Eccentricity
ω: 296.2 Longitude of periastron (degrees)
Start-Year: 2017.985 Year
End-Year: 2032.015 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for RST4816BA,BB
Position: 063612.61-360817.7 Epoch-2000 right ascension and declination
WDS-ID: 06359-3605 WDS designation
Discoverer Code: RST4816BA,BB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 47283 HD catalog number
Hipparcos number: 31547 Hipparcos catalog number
V1: 7.77 Magnitude of the primary
V2: 8.61 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 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: Tok2015c Reference

Double Star Orbit for RST4816BA,BB



WDS 6th Orbit including measures of RST4816BA,BB

-- 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 RST4816BA,BB
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.190   134.38
--------------------------
2017.98    0.032   352.31
2018.08    0.039   331.36
2018.18    0.049   317.93
2018.28    0.059   309.08
2018.38    0.069   302.82
2018.48    0.078   298.06
2018.58    0.086   294.22
2018.68    0.093   290.97
2018.78    0.098   288.12
2018.88    0.102   285.55
2018.98    0.106   283.16
2019.08    0.109   280.91
2019.18    0.110   278.76
2019.28    0.112   276.66
2019.38    0.113   274.61
2019.48    0.113   272.57
2019.58    0.113   270.55
2019.68    0.113   268.51
2019.78    0.112   266.46
2019.88    0.111   264.38
2019.98    0.110   262.26
2020.08    0.109   260.10
2020.18    0.108   257.89
2020.28    0.106   255.63
2020.38    0.105   253.30
2020.48    0.103   250.91
2020.58    0.102   248.46
2020.68    0.100   245.93
2020.78    0.099   243.33
2020.88    0.098   240.66
2020.98    0.097   237.91
2021.08    0.095   235.10
2021.18    0.094   232.23
2021.28    0.093   229.29
2021.38    0.093   226.30
2021.48    0.092   223.28
2021.58    0.092   220.21
2021.68    0.091   217.13
2021.78    0.091   214.03
2021.88    0.092   210.94
2021.98    0.092   207.86
2022.08    0.092   204.80
2022.18    0.093   201.79
2022.28    0.094   198.82
2022.38    0.095   195.92
2022.48    0.096   193.08
2022.58    0.097   190.31
2022.68    0.099   187.63
2022.78    0.101   185.03
2022.88    0.102   182.52
2022.98    0.104   180.10
2023.08    0.106   177.77
2023.18    0.109   175.52
2023.28    0.111   173.37
2023.38    0.113   171.30
2023.48    0.115   169.32
2023.58    0.118   167.42
2023.68    0.120   165.59
2023.78    0.123   163.84
2023.88    0.126   162.17
2023.98    0.128   160.56
2024.08    0.131   159.02
2024.18    0.134   157.53
2024.28    0.136   156.11
2024.38    0.139   154.74
2024.48    0.142   153.43
2024.58    0.144   152.16
2024.68    0.147   150.94
2024.78    0.150   149.77
2024.88    0.152   148.63
2024.98    0.155   147.54
2025.08    0.158   146.48
2025.18    0.160   145.45
2025.28    0.163   144.46
2025.38    0.165   143.50
2025.48    0.168   142.57
2025.58    0.170   141.66
2025.68    0.173   140.78
2025.78    0.175   139.93
2025.88    0.177   139.09
2025.98    0.180   138.28
2026.08    0.182   137.49
2026.18    0.184   136.71
2026.28    0.186   135.96
2026.38    0.188   135.22
2026.48    0.190   134.49
2026.58    0.192   133.78
2026.68    0.193   133.08
2026.78    0.195   132.40
2026.88    0.197   131.72
2026.98    0.198   131.06
2027.08    0.200   130.40
2027.18    0.201   129.76
2027.28    0.202   129.12
2027.38    0.203   128.49
2027.48    0.204   127.87
2027.58    0.205   127.25
2027.68    0.206   126.64
2027.78    0.207   126.03
2027.88    0.207   125.42
2027.98    0.208   124.82
2028.08    0.208   124.22
2028.18    0.208   123.62
2028.28    0.208   123.02
2028.38    0.208   122.42
2028.48    0.207   121.82
2028.58    0.207   121.22
2028.68    0.206   120.61
2028.78    0.205   120.00
2028.88    0.204   119.38
2028.98    0.203   118.76
2029.08    0.202   118.13
2029.18    0.200   117.49
2029.28    0.198   116.83
2029.38    0.196   116.17
2029.48    0.194   115.49
2029.58    0.191   114.79
2029.68    0.188   114.07
2029.78    0.185   113.33
2029.88    0.182   112.56
2029.98    0.178   111.76
2030.08    0.174   110.92
2030.18    0.169   110.04
2030.28    0.165   109.12
2030.38    0.159   108.13
2030.48    0.154   107.07
2030.58    0.148   105.93
2030.68    0.141   104.69
2030.78    0.134   103.31
2030.88    0.126   101.78
2030.98    0.118   100.05
2031.08    0.109    98.04
2031.18    0.100    95.67
2031.28    0.090    92.79
2031.38    0.079    89.16
2031.48    0.068    84.39
2031.58    0.057    77.76
2031.68    0.046    67.95
2031.78    0.037    52.55
2031.88    0.031    28.90
2031.98    0.031     0.25



 

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 15:48:23


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