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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:55:30

Orbital Elements for HDS1454

WDS:	HDS1454	WDS ID/Discoverer
P:	32.740	Orbital period (years)
a:	0.087	Semi-major axis (arcseconds)
i:	124.8	Inclination (degrees)
Ω:	177.9	Longitude of ascending node (degrees)
T:	2010.600	Epoch of periastron passage (year)
e:	0.7	Eccentricity
ω:	334.6	Longitude of periastron (degrees)
Start-Year:	2009.0	Year
End-Year:	2041.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1454

Position:	100349.96-082308.7	Epoch-2000 right ascension and declination
WDS-ID:	10038-0823	WDS designation
Discoverer Code:	HDS1454	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	87273	HD catalog number
Hipparcos number:	49305	Hipparcos catalog number
V1:	9.66	Magnitude of the primary
V2:	9.84	Magnitude of the secondary
Equinox:		Equinox
Date:	2019	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS1454

WDS 6th Orbit including measures of HDS1454

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

Ephemeris of HDS1454

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.133     16.7
-------------------------
2009.0     0.031    309.9
2010.0     0.019    239.5
2011.0     0.028    173.4
2012.0     0.030    133.1
2013.0     0.034     97.7
2014.0     0.042     73.4
2015.0     0.053     58.4
2016.0     0.065     48.5
2017.0     0.075     41.5
2018.0     0.086     36.3
2019.0     0.095     32.1
2020.0     0.103     28.7
2021.0     0.111     25.7
2022.0     0.118     23.1
2023.0     0.124     20.8
2024.0     0.129     18.7
2025.0     0.133     16.7
2026.0     0.136     14.8
2027.0     0.138     13.0
2028.0     0.140     11.3
2029.0     0.140      9.5
2030.0     0.140      7.8
2031.0     0.139      6.1
2032.0     0.136      4.3
2033.0     0.133      2.4
2034.0     0.128      0.4
2035.0     0.122    358.2
2036.0     0.114    355.8
2037.0     0.105    353.0
2038.0     0.094    349.5
2039.0     0.081    345.1
2040.0     0.065    338.6

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.