Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:24:45

Orbital Elements for LSC56AA,AB

WDS:	LSC56AA,AB	WDS ID/Discoverer
P:	11.230	Orbital period (years)
a:	0.0473	Semi-major axis (arcseconds)
i:	77.1	Inclination (degrees)
Ω:	112.9	Longitude of ascending node (degrees)
T:	2009.850	Epoch of periastron passage (year)
e:	0.3	Eccentricity
ω:	90.0	Longitude of periastron (degrees)
Start-Year:	2020.0	Year
End-Year:	2030.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for LSC56AA,AB

Position:	143518.66+430155.4	Epoch-2000 right ascension and declination
WDS-ID:	14353+4302	WDS designation
Discoverer Code:	LSC56AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	9.7	Magnitude of the primary
V2:	10.3	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2018	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for LSC56AA,AB

WDS 6th Orbit including measures of LSC56AA,AB

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)

Ephemeris of LSC56AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.032    312.6
-------------------------
2020.0     0.033    119.8
2021.0     0.008    181.5
2022.0     0.030    283.6
2023.0     0.044    294.3
2024.0     0.043    301.9
2025.0     0.032    312.6
2026.0     0.019    337.7
2027.0     0.015     46.3
2028.0     0.027     86.5
2029.0     0.040    100.4

Disclaimer

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.