10596+1800 HDS 1568 (HD 95175)

10^h 59^m 34.67^s +17° 59' 57.7" P.A. 288.00 sep 0.2 mag 9.04,11.62 Sp K0 dist. 37.95 pc (123.79 l.y.)

Coord 2000	10596+1800		Discov num	HDS1568		Comp			Coord arcsec 2000	10 59 34.67 +17 59 57.7
Date first	1991		Date last	2021		Obs	16
Pa first	291		Pa last	287.8		P.A. Now (θ)	287.8°
Sep first	0.3		Sep last	0.181		Sep. Now (ρ)	0.181"
Mag pri	9.04		Mag sec	11.62		delta mag (ΔM)	2.58		Spectral class	K0 (yellow-orange)
Pri motion ra	-236		Sec motion ra
Pri motion dec	-232		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 95175		Constellation	Leo		SAO	99390		HIP	53731
Tycho2	1432-00279-1		HD	95175		GC	15096		BD	BD+18 2430
Distance	37.95		Distance ly	123.79

ORBITAL ELEMENTS SOLUTION #1

Period (P)	15.83y		Periastron (T)	2000.92y		Semi-major axis (a)	0.214a
Eccentricity (e)	0.095		Inclination (i)	105.8°		Longitude of periastron (ω)	192.2°
Node (Ω)	95.1°		Notes			Reference	Tok2019d
Equinox	2000		Last observation	2019		Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	278.7	0.191
2001	271.1	0.188
2002	261.4	0.150
2003	240.9	0.091
2004	174.7	0.058
2005	124.6	0.108
2006	109.3	0.169
2007	101.7	0.213
2008	96.1	0.233
2009	90.8	0.227
2010	84.6	0.195
2011	74.7	0.144
2012	51.1	0.084
2013	343.9	0.062
2014	300.8	0.113
2015	286.0	0.166
2016	277.4	0.193
2017	269.7	0.184
2018	259.1	0.141
2019	234.3	0.080
2020	161.3	0.062
2021	120.8	0.119
2022	107.7	0.178
2023	100.6	0.218
2024	95.2	0.234
2025	89.9	0.223
2026	83.3	0.188
2027	72.2	0.134
2028	43.5	0.075
2029	332.5	0.068
2030	297.3	0.123

grafico orbita

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

wds10596%2B1800c.png orbit plot

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

ORBITAL ELEMENTS SOLUTION #2

Period (P)	7.816y	± 0.015	Periastron (T)	2019.639y	± 0.033	Semi-major axis (a)	0.124a	± 0.005
Eccentricity (e)	0.89	± 0.009	Inclination (i)	141.1°	± 3.6	Longitude of periastron (ω)	63.2°	± 5.8
Node (Ω)	154.1°	± 6.7	Notes	n		Reference	Tok2021f
Equinox			Last observation	2021		Grade	2	(1=Definitive, 9=Indet.)

label	theta	rho
2000	277.7	0.194
2001	270.8	0.183
2002	262.2	0.156
2003	247.6	0.107
2004	110.1	0.012
2005	302.0	0.125
2006	290.7	0.171
2007	283.2	0.191
2008	276.5	0.194
2009	269.4	0.180
2010	260.2	0.149
2011	243.0	0.095
2012	334.1	0.043
2013	299.3	0.136
2014	289.2	0.177
2015	282.0	0.193
2016	275.3	0.192
2017	267.9	0.175
2018	258.0	0.141
2019	237.0	0.081
2020	319.1	0.070
2021	297.0	0.146
2022	287.8	0.181
2023	280.7	0.194
2024	274.0	0.190
2025	266.4	0.170
2026	255.5	0.132
2027	228.4	0.066
2028	311.8	0.090
2029	295.0	0.155
2030	286.4	0.185

grafico orbita

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

wds10596%2B1800d.png orbit plot

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