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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:26:46

Orbital Elements for POT1BC

WDS:	POT1BC	WDS ID/Discoverer
P:	10.008	Orbital period (years)
a:	0.12253	Semi-major axis (arcseconds)
i:	95.71	Inclination (degrees)
Ω:	133.56	Longitude of ascending node (degrees)
T:	2018.488	Epoch of periastron passage (year)
e:	0.1622	Eccentricity
ω:	68.35	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 POT1BC

Position:	145015.91+235441.8	Epoch-2000 right ascension and declination
WDS-ID:	14503+2355	WDS designation
Discoverer Code:	POT1BC	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	130948	HD catalog number
Hipparcos number:	72567	Hipparcos catalog number
V1:	13.9	Magnitude of the primary
V2:	14.2	Magnitude of the secondary
Equinox:		Equinox
Date:	2013	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for POT1BC

WDS 6th Orbit including measures of POT1BC

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

Ephemeris of POT1BC

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.047    149.5
-------------------------
2020.0     0.087    318.4
2021.0     0.126    313.9
2022.0     0.120    310.5
2023.0     0.081    305.4
2024.0     0.025    279.1
2025.0     0.047    149.5
2026.0     0.097    138.3
2027.0     0.113    133.8
2028.0     0.076    128.2
2029.0     0.012     11.1

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.