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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:30:41

Orbital Elements for RED16

WDS:	RED16	WDS ID/Discoverer
P:	23.900	Orbital period (years)
a:	0.377	Semi-major axis (arcseconds)
i:	88.14	Inclination (degrees)
Ω:	102.666	Longitude of ascending node (degrees)
T:	2030.269	Epoch of periastron passage (year)
e:	0.013	Eccentricity
ω:	80.0	Longitude of periastron (degrees)
Start-Year:	2014.0	Year
End-Year:	2036.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RED16

Position:	070036.64+315726.6	Epoch-2000 right ascension and declination
WDS-ID:	07006+3157	WDS designation
Discoverer Code:	RED16	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	13.48	Magnitude of the primary
V2:	14.70	Magnitude of the secondary
Equinox:		Equinox
Date:	2015	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for RED16

WDS 6th Orbit including measures of RED16

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

Ephemeris of RED16

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.376    102.6
-------------------------
2014.0     0.364    283.2
2015.0     0.325    283.8
2016.0     0.265    284.6
2017.0     0.187    286.0
2018.0     0.098    289.7
2019.0     0.012     12.6
2020.0     0.097     95.6
2021.0     0.187     99.4
2022.0     0.265    100.8
2023.0     0.325    101.6
2024.0     0.363    102.1
2025.0     0.376    102.6
2026.0     0.363    103.1
2027.0     0.325    103.7
2028.0     0.264    104.5
2029.0     0.184    105.9
2030.0     0.092    110.0
2031.0     0.015    227.7
2032.0     0.108    276.5
2033.0     0.199    279.7
2034.0     0.276    281.0
2035.0     0.334    281.7

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.