14432+2246 COU 99

14^h 43^m 13.12^s +22° 45' 47.5" P.A. 206.00 sep 0.7 mag 11.00,11.50 Sp K5

Coord 2000	14432+2246		Discov num	COU 99		Comp			Coord arcsec 2000	14 43 13.12 +22 45 47.5
Date first	1966		Date last	2016		Obs	11
Pa first	252		Pa last	205.6		P.A. Now (θ)	205.6°
Sep first	0.6		Sep last	0.67		Sep. Now (ρ)	0.67"
Mag pri	11.00		Mag sec	11.50		delta mag (ΔM)	0.5		Spectral class	K5 (yellow-orange)
Pri motion ra	-035		Sec motion ra
Pri motion dec	+052		Sec motion dec
Notes	O (Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Bootes

Tycho2

2016-00892-1

Gaia DR2

1241833344884151040

ORBITAL ELEMENTS

Period (P)	321.3y	± 38	Periastron (T)	1902y	± 13.1	Semi-major axis (a)	0.599a	± 0.048
Eccentricity (e)	0.128	± 0.052	Inclination (i)	146.2°	± 5.1	Longitude of periastron (ω)	58.6°	± 29
Node (Ω)	39.7°	± 4	Notes			Reference	Ksr2021
Equinox			Last observation	2016		Grade	5	(1=Definitive, 9=Indet.)

label	theta	rho
2000	218.6	0.633
2001	217.7	0.634
2002	216.9	0.635
2003	216.1	0.636
2004	215.3	0.637
2005	214.5	0.638
2006	213.6	0.639
2007	212.8	0.640
2008	212.0	0.640
2009	211.2	0.641
2010	210.4	0.641
2011	209.6	0.642
2012	208.8	0.642
2013	208.0	0.642
2014	207.2	0.643
2015	206.4	0.643
2016	205.6	0.643
2017	204.8	0.643
2018	204.0	0.643
2019	203.2	0.643
2020	202.4	0.643
2021	201.6	0.642
2022	200.8	0.642
2023	200.0	0.642
2024	199.2	0.641
2025	198.4	0.641
2026	197.6	0.640
2027	196.7	0.640
2028	195.9	0.639
2029	195.1	0.639
2030	194.3	0.638

grafico orbita

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

wds14432%2B2246a.png orbit plot

Measures: green=micrometric, blue=interferometric, purple=photographic