Double Star Calculator - Orbit

Orbital Elements for ROSS1057

WDS:	ROSS1057	WDS ID/Discoverer
P:	14.500	Orbital period (years)
a:	0.0745	Semi-major axis (arcseconds)
i:	92.0	Inclination (degrees)
Ω:	21.0	Longitude of ascending node (degrees)
T:	1982.200	Epoch of periastron passage (year)
e:	0.0	Eccentricity
ω:	180.0	Longitude of periastron (degrees)
Start-Year:	2017.75	Year
End-Year:	2032.25	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for ROSS1057
Position:	154114.70+755940.7	Epoch-2000 right ascension and declination
WDS-ID:	15413+7559	WDS designation
Discoverer Code:	ROSS1057	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	76832	Hipparcos catalog number
V1:	12.2 v	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:	Hei1993e	Reference

Double Star Orbit for ROSS1057

WDS 6th Orbit including measures of ROSS1057

-- 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 ROSS1057

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.070   200.28
--------------------------
2017.75    0.071    21.63
2017.85    0.072    21.53
2017.95    0.073    21.44
2018.05    0.073    21.35
2018.15    0.074    21.26
2018.25    0.074    21.17
2018.35    0.074    21.09
2018.45    0.074    21.00
2018.55    0.074    20.91
2018.65    0.074    20.83
2018.75    0.074    20.74
2018.85    0.073    20.65
2018.95    0.073    20.56
2019.05    0.072    20.47
2019.15    0.071    20.37
2019.25    0.070    20.28
2019.35    0.069    20.18
2019.45    0.068    20.07
2019.55    0.066    19.97
2019.65    0.065    19.86
2019.75    0.063    19.74
2019.85    0.061    19.61
2019.95    0.059    19.48
2020.05    0.057    19.34
2020.15    0.055    19.19
2020.25    0.053    19.02
2020.35    0.051    18.84
2020.45    0.048    18.65
2020.55    0.046    18.43
2020.65    0.043    18.19
2020.75    0.041    17.91
2020.85    0.038    17.60
2020.95    0.035    17.23
2021.05    0.032    16.81
2021.15    0.029    16.29
2021.25    0.026    15.66
2021.35    0.023    14.87
2021.45    0.020    13.84
2021.55    0.017    12.43
2021.65    0.014    10.39
2021.75    0.011     7.17
2021.85    0.008     1.36
2021.95    0.005   348.23
2022.05    0.003   308.25
2022.15    0.004   248.03
2022.25    0.006   225.67
2022.35    0.009   217.25
2022.45    0.012   213.02
2022.55    0.015   210.49
2022.65    0.019   208.81
2022.75    0.022   207.61
2022.85    0.025   206.71
2022.95    0.028   206.01
2023.05    0.031   205.44
2023.15    0.034   204.97
2023.25    0.036   204.58
2023.35    0.039   204.24
2023.45    0.042   203.95
2023.55    0.044   203.69
2023.65    0.047   203.46
2023.75    0.049   203.25
2023.85    0.052   203.06
2023.95    0.054   202.89
2024.05    0.056   202.74
2024.15    0.058   202.59
2024.25    0.060   202.45
2024.35    0.062   202.32
2024.45    0.064   202.20
2024.55    0.065   202.09
2024.65    0.067   201.98
2024.75    0.068   201.87
2024.85    0.070   201.77
2024.95    0.071   201.67
2025.05    0.072   201.58
2025.15    0.072   201.49
2025.25    0.073   201.39
2025.35    0.074   201.31
2025.45    0.074   201.22
2025.55    0.074   201.13
2025.65    0.074   201.04
2025.75    0.074   200.96
2025.85    0.074   200.87
2025.95    0.074   200.78
2026.05    0.074   200.69
2026.15    0.073   200.61
2026.25    0.072   200.51
2026.35    0.072   200.42
2026.45    0.071   200.33
2026.55    0.070   200.23
2026.65    0.068   200.13
2026.75    0.067   200.02
2026.85    0.065   199.91
2026.95    0.064   199.80
2027.05    0.062   199.68
2027.15    0.060   199.55
2027.25    0.058   199.41
2027.35    0.056   199.26
2027.45    0.054   199.11
2027.55    0.052   198.94
2027.65    0.049   198.75
2027.75    0.047   198.54
2027.85    0.044   198.31
2027.95    0.042   198.05
2028.05    0.039   197.76
2028.15    0.036   197.42
2028.25    0.034   197.03
2028.35    0.031   196.56
2028.45    0.028   195.99
2028.55    0.025   195.29
2028.65    0.022   194.39
2028.75    0.019   193.19
2028.85    0.015   191.51
2028.95    0.012   188.98
2029.05    0.009   184.75
2029.15    0.006   176.33
2029.25    0.004   153.97
2029.35    0.003    93.75
2029.45    0.005    53.77
2029.55    0.008    40.64
2029.65    0.011    34.83
2029.75    0.014    31.61
2029.85    0.017    29.57
2029.95    0.020    28.16
2030.05    0.023    27.13
2030.15    0.026    26.34
2030.25    0.029    25.71
2030.35    0.032    25.19
2030.45    0.035    24.77
2030.55    0.038    24.40
2030.65    0.041    24.09
2030.75    0.043    23.81
2030.85    0.046    23.57
2030.95    0.048    23.35
2031.05    0.051    23.16
2031.15    0.053    22.98
2031.25    0.055    22.81
2031.35    0.057    22.66
2031.45    0.059    22.52
2031.55    0.061    22.39
2031.65    0.063    22.26
2031.75    0.065    22.14
2031.85    0.066    22.03
2031.95    0.068    21.93
2032.05    0.069    21.82
2032.15    0.070    21.72

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 17:18:27