Double Star Calculator - Orbit

Orbital Elements for YSC145

WDS:	YSC145	WDS ID/Discoverer
P:	12.526	Orbital period (years)
a:	0.0576	Semi-major axis (arcseconds)
i:	130.1	Inclination (degrees)
Ω:	116.6	Longitude of ascending node (degrees)
T:	2019.499	Epoch of periastron passage (year)
e:	0.087	Eccentricity
ω:	182.3	Longitude of periastron (degrees)
Start-Year:	2018.737	Year
End-Year:	2031.263	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for YSC145
Position:	045700.11+735022.1	Epoch-2000 right ascension and declination
WDS-ID:	04570+7350	WDS designation
Discoverer Code:	YSC145	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	23016	Hipparcos catalog number
V1:	9.9	Magnitude of the primary
V2:	10.5	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Cve2020b	Reference

Double Star Orbit for YSC145

WDS 6th Orbit including measures of YSC145

-- 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 YSC145

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.060   103.24
--------------------------
2018.74    0.050   312.41
2018.84    0.051   310.03
2018.94    0.051   307.70
2019.04    0.052   305.41
2019.14    0.052   303.16
2019.24    0.052   300.92
2019.34    0.053   298.70
2019.44    0.053   296.49
2019.54    0.053   294.28
2019.64    0.052   292.05
2019.74    0.052   289.81
2019.84    0.052   287.55
2019.94    0.051   285.24
2020.04    0.051   282.90
2020.14    0.050   280.51
2020.24    0.050   278.05
2020.34    0.049   275.52
2020.44    0.048   272.92
2020.54    0.047   270.22
2020.64    0.046   267.42
2020.74    0.045   264.51
2020.84    0.044   261.48
2020.94    0.044   258.32
2021.04    0.043   255.02
2021.14    0.042   251.58
2021.24    0.041   247.98
2021.34    0.040   244.23
2021.44    0.039   240.32
2021.54    0.039   236.27
2021.64    0.038   232.07
2021.74    0.037   227.75
2021.84    0.037   223.33
2021.94    0.037   218.83
2022.04    0.037   214.27
2022.14    0.037   209.71
2022.24    0.037   205.16
2022.34    0.037   200.66
2022.44    0.037   196.24
2022.54    0.038   191.93
2022.64    0.039   187.75
2022.74    0.039   183.72
2022.84    0.040   179.84
2022.94    0.041   176.13
2023.04    0.042   172.59
2023.14    0.043   169.21
2023.24    0.044   166.00
2023.34    0.045   162.94
2023.44    0.046   160.03
2023.54    0.048   157.26
2023.64    0.049   154.62
2023.74    0.050   152.10
2023.84    0.051   149.69
2023.94    0.052   147.38
2024.04    0.053   145.17
2024.14    0.054   143.04
2024.24    0.055   140.99
2024.34    0.056   139.01
2024.44    0.057   137.10
2024.54    0.058   135.24
2024.64    0.059   133.43
2024.74    0.059   131.67
2024.84    0.060   129.95
2024.94    0.061   128.26
2025.04    0.061   126.61
2025.14    0.061   124.98
2025.24    0.062   123.37
2025.34    0.062   121.78
2025.44    0.062   120.20
2025.54    0.063   118.63
2025.64    0.063   117.07
2025.74    0.063   115.51
2025.84    0.063   113.95
2025.94    0.062   112.38
2026.04    0.062   110.80
2026.14    0.062   109.20
2026.24    0.061   107.59
2026.34    0.061   105.96
2026.44    0.060   104.30
2026.54    0.060   102.61
2026.64    0.059   100.89
2026.74    0.058    99.12
2026.84    0.058    97.31
2026.94    0.057    95.45
2027.04    0.056    93.52
2027.14    0.055    91.54
2027.24    0.054    89.48
2027.34    0.053    87.35
2027.44    0.052    85.13
2027.54    0.051    82.82
2027.64    0.050    80.41
2027.74    0.049    77.88
2027.84    0.048    75.24
2027.94    0.046    72.47
2028.04    0.045    69.56
2028.14    0.044    66.50
2028.24    0.043    63.30
2028.34    0.042    59.93
2028.44    0.041    56.40
2028.54    0.040    52.72
2028.64    0.039    48.87
2028.74    0.039    44.87
2028.84    0.038    40.73
2028.94    0.038    36.46
2029.04    0.037    32.10
2029.14    0.037    27.65
2029.24    0.037    23.16
2029.34    0.037    18.66
2029.44    0.037    14.17
2029.54    0.037     9.73
2029.64    0.038     5.37
2029.74    0.038     1.11
2029.84    0.039   356.97
2029.94    0.039   352.96
2030.04    0.040   349.10
2030.14    0.041   345.38
2030.24    0.042   341.82
2030.34    0.043   338.40
2030.44    0.044   335.13
2030.54    0.045   331.99
2030.64    0.046   328.98
2030.74    0.046   326.08
2030.84    0.047   323.30
2030.94    0.048   320.61
2031.04    0.049   318.01
2031.14    0.050   315.49
2031.24    0.050   313.04

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 15:32:05