01202+6535 HU 1027

01^h 20^m 10.20^s +65° 35' 12.1" P.A. 125.00 sep 0.4 mag 10.43,10.34 Sp K0

Coord 2000	01202+6535		Discov num	HU 1027		Comp			Coord arcsec 2000	01 20 10.20 +65 35 12.1
Date first	1904		Date last	2008		Obs	13
Pa first	102		Pa last	124.8		P.A. Now (θ)	124.8°
Sep first	1.0		Sep last	0.361		Sep. Now (ρ)	0.361"
Mag pri	10.43		Mag sec	10.34		delta mag (ΔM)	0.09		Spectral class	K0 (yellow-orange)
Pri motion ra	-079		Sec motion ra	-079
Pri motion dec	-001		Sec motion dec	-001
Notes	O (Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cassiopeia

Tycho2

4038-00083-1

Gaia DR2

525307043276642688

ADS

1070

ORBITAL ELEMENTS

Period (P)	560.0762y	± 316.8632	Periastron (T)	2019.7334y	± 8.6696	Semi-major axis (a)	1.20356a	± 0.84246
Eccentricity (e)	0.81003	± 0.17997	Inclination (i)	79.637°	± 5.721	Longitude of periastron (ω)	98.765°	± 17.579
Node (Ω)	118.244°	± 10.485	Notes			Reference	Izm2019
Equinox			Last observation	2008		Grade	5	(1=Definitive, 9=Indet.)

label	theta	rho
2000	117.0	0.525
2001	117.4	0.509
2002	117.8	0.492
2003	118.2	0.474
2004	118.7	0.455
2005	119.2	0.435
2006	119.7	0.414
2007	120.3	0.392
2008	121.0	0.368
2009	121.8	0.343
2010	122.7	0.317
2011	123.7	0.289
2012	125.0	0.259
2013	126.7	0.228
2014	128.9	0.195
2015	132.1	0.160
2016	137.0	0.124
2017	146.1	0.088
2018	166.6	0.056
2019	214.5	0.042
2020	256.9	0.061
2021	274.1	0.095
2022	282.1	0.130
2023	286.7	0.165
2024	289.6	0.199
2025	291.8	0.230
2026	293.4	0.259
2027	294.7	0.286
2028	295.9	0.310
2029	296.8	0.333
2030	297.6	0.353

grafico orbita

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

wds01202%2B6535a.png orbit plot

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