Double Star Calculator - Orbit

Orbital Elements for CHR225

WDS:	CHR225	WDS ID/Discoverer
P:	11.000	Orbital period (years)
a:	0.044	Semi-major axis (arcseconds)
i:	66.2	Inclination (degrees)
Ω:	205.2	Longitude of ascending node (degrees)
T:	1985.840	Epoch of periastron passage (year)
e:	0.973	Eccentricity
ω:	53.6	Longitude of periastron (degrees)
Start-Year:	2019.5	Year
End-Year:	2030.5	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR225
Position:	051610.56-112109.2	Epoch-2000 right ascension and declination
WDS-ID:	05162-1121	WDS designation
Discoverer Code:	CHR225	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	34318	HD catalog number
Hipparcos number:	24560	Hipparcos catalog number
V1:	6.5	Magnitude of the primary
V2:	7.1	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Tok2023a	Reference

Double Star Orbit for CHR225

WDS 6th Orbit including measures of CHR225

-- 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 CHR225

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.049    58.15
--------------------------
2019.50    0.028    41.80
2019.60    0.030    42.49
2019.70    0.032    43.10
2019.80    0.034    43.64
2019.90    0.036    44.13
2020.00    0.037    44.57
2020.10    0.039    44.98
2020.20    0.040    45.35
2020.30    0.042    45.71
2020.40    0.043    46.04
2020.50    0.044    46.35
2020.60    0.045    46.65
2020.70    0.046    46.93
2020.80    0.047    47.20
2020.90    0.048    47.46
2021.00    0.049    47.71
2021.10    0.050    47.95
2021.20    0.051    48.19
2021.30    0.051    48.41
2021.40    0.052    48.63
2021.50    0.053    48.85
2021.60    0.053    49.05
2021.70    0.054    49.26
2021.80    0.055    49.46
2021.90    0.055    49.65
2022.00    0.056    49.85
2022.10    0.056    50.04
2022.20    0.057    50.22
2022.30    0.057    50.40
2022.40    0.057    50.59
2022.50    0.058    50.76
2022.60    0.058    50.94
2022.70    0.058    51.12
2022.80    0.058    51.29
2022.90    0.059    51.46
2023.00    0.059    51.63
2023.10    0.059    51.80
2023.20    0.059    51.97
2023.30    0.059    52.14
2023.40    0.059    52.31
2023.50    0.059    52.48
2023.60    0.059    52.65
2023.70    0.059    52.81
2023.80    0.059    52.98
2023.90    0.059    53.15
2024.00    0.059    53.32
2024.10    0.059    53.49
2024.20    0.059    53.66
2024.30    0.059    53.83
2024.40    0.059    54.00
2024.50    0.058    54.17
2024.60    0.058    54.34
2024.70    0.058    54.52
2024.80    0.058    54.69
2024.90    0.057    54.87
2025.00    0.057    55.05
2025.10    0.057    55.24
2025.20    0.056    55.42
2025.30    0.056    55.61
2025.40    0.056    55.80
2025.50    0.055    55.99
2025.60    0.055    56.19
2025.70    0.054    56.39
2025.80    0.054    56.59
2025.90    0.053    56.80
2026.00    0.052    57.01
2026.10    0.052    57.23
2026.20    0.051    57.45
2026.30    0.051    57.68
2026.40    0.050    57.91
2026.50    0.049    58.15
2026.60    0.048    58.40
2026.70    0.048    58.65
2026.80    0.047    58.91
2026.90    0.046    59.19
2027.00    0.045    59.47
2027.10    0.044    59.76
2027.20    0.043    60.07
2027.30    0.043    60.39
2027.40    0.042    60.72
2027.50    0.041    61.07
2027.60    0.040    61.44
2027.70    0.038    61.83
2027.80    0.037    62.24
2027.90    0.036    62.68
2028.00    0.035    63.14
2028.10    0.034    63.64
2028.20    0.032    64.18
2028.30    0.031    64.77
2028.40    0.030    65.40
2028.50    0.028    66.11
2028.60    0.027    66.88
2028.70    0.025    67.76
2028.80    0.024    68.74
2028.90    0.022    69.88
2029.00    0.020    71.21
2029.10    0.018    72.80
2029.20    0.016    74.76
2029.30    0.014    77.26
2029.40    0.012    80.63
2029.50    0.010    85.51
2029.60    0.007    93.53
2029.70    0.005   109.88
2029.80    0.003   159.58
2029.90    0.007    27.15
2030.00    0.012    34.10
2030.10    0.017    36.93
2030.20    0.020    38.70
2030.30    0.023    39.97
2030.40    0.026    40.97

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 15:35:32