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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:23:02

Orbital Elements for HU1266

WDS:	HU1266	WDS ID/Discoverer
P:	38.950	Orbital period (years)
a:	0.167	Semi-major axis (arcseconds)
i:	26.0	Inclination (degrees)
Ω:	176.6	Longitude of ascending node (degrees)
T:	2025.550	Epoch of periastron passage (year)
e:	0.644	Eccentricity
ω:	131.9	Longitude of periastron (degrees)
Start-Year:	2006.0	Year
End-Year:	2044.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1266

Position:	141628.72+333328.8	Epoch-2000 right ascension and declination
WDS-ID:	14165+3334	WDS designation
Discoverer Code:	HU1266	Discover designation and components
ADS number:	9195	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	69742	Hipparcos catalog number
V1:	10.3	Magnitude of the primary
V2:	10.5	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2008	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HU1266

WDS 6th Orbit including measures of HU1266

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

Ephemeris of HU1266

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.057    280.2
-------------------------
2006.0     0.259    131.4
2007.0     0.260    134.0
2008.0     0.260    136.6
2009.0     0.259    139.2
2010.0     0.257    141.9
2011.0     0.254    144.6
2012.0     0.249    147.4
2013.0     0.244    150.3
2014.0     0.237    153.4
2015.0     0.229    156.7
2016.0     0.219    160.2
2017.0     0.208    164.1
2018.0     0.195    168.5
2019.0     0.180    173.5
2020.0     0.164    179.5
2021.0     0.144    187.0
2022.0     0.123    197.0
2023.0     0.099    211.6
2024.0     0.074    236.0
2025.0     0.057    280.2
2026.0     0.061    335.2
2027.0     0.077     13.5
2028.0     0.095     37.6
2029.0     0.113     54.0
2030.0     0.130     66.0
2031.0     0.146     75.3
2032.0     0.161     82.9
2033.0     0.174     89.2
2034.0     0.187     94.6
2035.0     0.199     99.4
2036.0     0.209    103.6
2037.0     0.219    107.5
2038.0     0.227    111.1
2039.0     0.235    114.4
2040.0     0.241    117.5
2041.0     0.247    120.5
2042.0     0.251    123.4
2043.0     0.255    126.1

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.