Double Star Calculator - Orbit

Orbital Elements for VSP57

WDS:	VSP57	WDS ID/Discoverer
P:	10.896	Orbital period (years)
a:	0.235	Semi-major axis (arcseconds)
i:	52.5	Inclination (degrees)
Ω:	193.0	Longitude of ascending node (degrees)
T:	2014.850	Epoch of periastron passage (year)
e:	0.53	Eccentricity
ω:	61.0	Longitude of periastron (degrees)
Start-Year:	2019.552	Year
End-Year:	2030.448	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for VSP57
Position:	221011.99+061152.3	Epoch-2000 right ascension and declination
WDS-ID:	22102+0612	WDS designation
Discoverer Code:	VSP57	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	210418	HD catalog number
Hipparcos number:	109427	Hipparcos catalog number
V1:	3.4	Magnitude of the primary
V2:	10.5	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2016	Date of last observation
Orbit grade:	5	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	VSP2022b	Reference

Double Star Orbit for VSP57

WDS 6th Orbit including measures of VSP57

-- 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 VSP57

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.127   343.83
--------------------------
2019.55    0.277    50.91
2019.65    0.275    52.15
2019.75    0.273    53.41
2019.85    0.270    54.69
2019.95    0.268    55.99
2020.05    0.265    57.31
2020.15    0.263    58.66
2020.25    0.260    60.04
2020.35    0.257    61.44
2020.45    0.255    62.88
2020.55    0.252    64.35
2020.65    0.249    65.86
2020.75    0.246    67.40
2020.85    0.242    68.98
2020.95    0.239    70.61
2021.05    0.236    72.28
2021.15    0.233    73.99
2021.25    0.230    75.75
2021.35    0.226    77.56
2021.45    0.223    79.43
2021.55    0.220    81.34
2021.65    0.217    83.32
2021.75    0.214    85.35
2021.85    0.211    87.45
2021.95    0.207    89.60
2022.05    0.205    91.82
2022.15    0.202    94.11
2022.25    0.199    96.46
2022.35    0.196    98.88
2022.45    0.193   101.36
2022.55    0.191   103.91
2022.65    0.188   106.53
2022.75    0.186   109.21
2022.85    0.184   111.96
2022.95    0.182   114.77
2023.05    0.180   117.64
2023.15    0.179   120.57
2023.25    0.177   123.55
2023.35    0.176   126.58
2023.45    0.174   129.66
2023.55    0.173   132.79
2023.65    0.172   135.95
2023.75    0.171   139.16
2023.85    0.170   142.40
2023.95    0.169   145.67
2024.05    0.168   148.98
2024.15    0.167   152.33
2024.25    0.166   155.72
2024.35    0.165   159.16
2024.45    0.163   162.66
2024.55    0.162   166.22
2024.65    0.159   169.88
2024.75    0.157   173.66
2024.85    0.153   177.58
2024.95    0.149   181.71
2025.05    0.144   186.11
2025.15    0.137   190.87
2025.25    0.130   196.13
2025.35    0.121   202.11
2025.45    0.111   209.10
2025.55    0.100   217.56
2025.65    0.089   228.13
2025.75    0.079   241.58
2025.85    0.072   258.30
2025.95    0.070   277.31
2026.05    0.073   295.93
2026.15    0.082   311.72
2026.25    0.094   324.07
2026.35    0.107   333.53
2026.45    0.120   340.87
2026.55    0.134   346.71
2026.65    0.147   351.49
2026.75    0.160   355.49
2026.85    0.172   358.93
2026.95    0.183     1.93
2027.05    0.193     4.60
2027.15    0.203     7.00
2027.25    0.212     9.19
2027.35    0.220    11.21
2027.45    0.228    13.09
2027.55    0.235    14.85
2027.65    0.241    16.51
2027.75    0.247    18.09
2027.85    0.253    19.59
2027.95    0.258    21.04
2028.05    0.262    22.43
2028.15    0.266    23.78
2028.25    0.270    25.09
2028.35    0.273    26.36
2028.45    0.276    27.61
2028.55    0.279    28.84
2028.65    0.281    30.04
2028.75    0.283    31.22
2028.85    0.284    32.40
2028.95    0.286    33.56
2029.05    0.287    34.71
2029.15    0.287    35.85
2029.25    0.288    36.99
2029.35    0.288    38.13
2029.45    0.288    39.26
2029.55    0.288    40.40
2029.65    0.287    41.54
2029.75    0.286    42.69
2029.85    0.286    43.84
2029.95    0.285    45.00
2030.05    0.283    46.16
2030.15    0.282    47.34
2030.25    0.280    48.54
2030.35    0.279    49.74

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 18:37:16