Double Star Calculator - Orbit

Orbital Elements for GJ3518

WDS:	GJ3518	WDS ID/Discoverer
P:	16.400	Orbital period (years)
a:	0.021	Semi-major axis (arcseconds)
i:	90.9	Inclination (degrees)
Ω:	219.1	Longitude of ascending node (degrees)
T:	2005.900	Epoch of periastron passage (year)
e:	0.31	Eccentricity
ω:	33.2	Longitude of periastron (degrees)
Start-Year:	2016.8	Year
End-Year:	2033.2	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for GJ3518
Position:	085520.33-235215.1	Epoch-2000 right ascension and declination
WDS-ID:	08553-2352	WDS designation
Discoverer Code:	GJ3518	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	14.0	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	9	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Rdl2010	Reference

Double Star Orbit for GJ3518

WDS 6th Orbit including measures of GJ3518

-- 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 GJ3518

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.022    39.46
--------------------------
2016.80    0.010    36.90
2016.90    0.009    36.73
2017.00    0.008    36.54
2017.10    0.008    36.32
2017.20    0.007    36.05
2017.30    0.006    35.73
2017.40    0.006    35.33
2017.50    0.005    34.82
2017.60    0.004    34.16
2017.70    0.004    33.24
2017.80    0.003    31.89
2017.90    0.002    29.73
2018.00    0.002    25.65
2018.10    0.001    15.43
2018.20    0.000   328.35
2018.30    0.001   250.79
2018.40    0.001   234.50
2018.50    0.002   229.07
2018.60    0.003   226.40
2018.70    0.003   224.82
2018.80    0.004   223.77
2018.90    0.005   223.03
2019.00    0.005   222.47
2019.10    0.006   222.03
2019.20    0.007   221.68
2019.30    0.007   221.39
2019.40    0.008   221.15
2019.50    0.009   220.94
2019.60    0.009   220.76
2019.70    0.010   220.60
2019.80    0.010   220.46
2019.90    0.011   220.34
2020.00    0.012   220.22
2020.10    0.012   220.12
2020.20    0.013   220.02
2020.30    0.013   219.93
2020.40    0.013   219.85
2020.50    0.014   219.77
2020.60    0.014   219.70
2020.70    0.014   219.63
2020.80    0.015   219.56
2020.90    0.015   219.49
2021.00    0.015   219.43
2021.10    0.015   219.36
2021.20    0.015   219.30
2021.30    0.015   219.24
2021.40    0.015   219.18
2021.50    0.015   219.11
2021.60    0.015   219.05
2021.70    0.015   218.98
2021.80    0.014   218.92
2021.90    0.014   218.85
2022.00    0.014   218.77
2022.10    0.013   218.69
2022.20    0.013   218.60
2022.30    0.012   218.51
2022.40    0.011   218.41
2022.50    0.011   218.29
2022.60    0.010   218.16
2022.70    0.009   218.00
2022.80    0.008   217.82
2022.90    0.008   217.60
2023.00    0.007   217.32
2023.10    0.006   216.95
2023.20    0.005   216.44
2023.30    0.004   215.70
2023.40    0.003   214.47
2023.50    0.002   212.06
2023.60    0.001   205.11
2023.70    0.000   133.15
2023.80    0.001    53.97
2023.90    0.002    46.67
2024.00    0.003    44.19
2024.10    0.004    42.94
2024.20    0.005    42.18
2024.30    0.006    41.68
2024.40    0.007    41.31
2024.50    0.008    41.03
2024.60    0.009    40.81
2024.70    0.009    40.63
2024.80    0.010    40.49
2024.90    0.011    40.36
2025.00    0.012    40.25
2025.10    0.013    40.16
2025.20    0.014    40.08
2025.30    0.014    40.00
2025.40    0.015    39.93
2025.50    0.016    39.87
2025.60    0.016    39.82
2025.70    0.017    39.77
2025.80    0.018    39.72
2025.90    0.018    39.67
2026.00    0.019    39.63
2026.10    0.019    39.59
2026.20    0.020    39.56
2026.30    0.021    39.52
2026.40    0.021    39.49
2026.50    0.022    39.46
2026.60    0.022    39.42
2026.70    0.022    39.40
2026.80    0.023    39.37
2026.90    0.023    39.34
2027.00    0.023    39.31
2027.10    0.024    39.29
2027.20    0.024    39.26
2027.30    0.024    39.24
2027.40    0.025    39.21
2027.50    0.025    39.19
2027.60    0.025    39.17
2027.70    0.025    39.14
2027.80    0.025    39.12
2027.90    0.026    39.10
2028.00    0.026    39.08
2028.10    0.026    39.06
2028.20    0.026    39.03
2028.30    0.026    39.01
2028.40    0.026    38.99
2028.50    0.026    38.97
2028.60    0.026    38.95
2028.70    0.026    38.93
2028.80    0.026    38.91
2028.90    0.026    38.89
2029.00    0.026    38.86
2029.10    0.026    38.84
2029.20    0.026    38.82
2029.30    0.026    38.80
2029.40    0.026    38.78
2029.50    0.025    38.76
2029.60    0.025    38.73
2029.70    0.025    38.71
2029.80    0.025    38.69
2029.90    0.025    38.66
2030.00    0.024    38.64
2030.10    0.024    38.61
2030.20    0.024    38.59
2030.30    0.024    38.56
2030.40    0.023    38.54
2030.50    0.023    38.51
2030.60    0.023    38.48
2030.70    0.022    38.45
2030.80    0.022    38.43
2030.90    0.022    38.40
2031.00    0.021    38.36
2031.10    0.021    38.33
2031.20    0.020    38.30
2031.30    0.020    38.26
2031.40    0.020    38.22
2031.50    0.019    38.19
2031.60    0.019    38.15
2031.70    0.018    38.10
2031.80    0.018    38.06
2031.90    0.017    38.01
2032.00    0.017    37.96
2032.10    0.016    37.91
2032.20    0.016    37.85
2032.30    0.015    37.79
2032.40    0.014    37.72
2032.50    0.014    37.65
2032.60    0.013    37.57
2032.70    0.013    37.49
2032.80    0.012    37.39
2032.90    0.012    37.29
2033.00    0.011    37.17
2033.10    0.010    37.05
2033.20    0.010    36.90

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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 16:12:33