10375-0932 RST 3708 (HD 92015)

10^h 37^m 27.57^s -09° 31' 54.2" P.A. 3.00 sep 0.5 mag 9.90,10.20 Sp G0

Coord 2000	10375-0932		Discov num	RST3708		Comp			Coord arcsec 2000	10 37 27.57 -09 31 54.2
Date first	1938		Date last	2021		Obs	28
Pa first	81		Pa last	3.1		P.A. Now (θ)	3.1°
Sep first	0.2		Sep last	0.547		Sep. Now (ρ)	0.547"
Mag pri	9.90		Mag sec	10.20		delta mag (ΔM)	0.3		Spectral class	G0 (yellow)
Pri motion ra	-064		Sec motion ra
Pri motion dec	+039		Sec motion dec
Notes	O (Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 92015		Constellation	Sextans		SAO	137687		Tycho2	5492-01095-1
Gaia DR2	3761859462546647424		HD	92015

ORBITAL ELEMENTS

Period (P)	154.81y	± 55.88	Periastron (T)	1971.26y	± 11.57	Semi-major axis (a)	0.416a	± 0.026
Eccentricity (e)	0.457	± 0.197	Inclination (i)	54.6°	± 19.7	Longitude of periastron (ω)	24.4°	± 37.9
Node (Ω)	183.9°	± 17	Notes			Reference	Tok2015c
Equinox	2000		Last observation	2014		Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	341.2	0.374
2001	342.7	0.386
2002	344.0	0.397
2003	345.3	0.409
2004	346.5	0.419
2005	347.7	0.430
2006	348.8	0.440
2007	349.8	0.449
2008	350.8	0.458
2009	351.8	0.467
2010	352.7	0.476
2011	353.6	0.484
2012	354.5	0.492
2013	355.3	0.500
2014	356.1	0.507
2015	356.9	0.514
2016	357.7	0.520
2017	358.5	0.526
2018	359.2	0.532
2019	359.9	0.538
2020	0.7	0.543
2021	1.3	0.548
2022	2.0	0.552
2023	2.7	0.557
2024	3.4	0.561
2025	4.0	0.564
2026	4.7	0.568
2027	5.3	0.571
2028	5.9	0.574
2029	6.6	0.576
2030	7.2	0.578

grafico orbita

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

wds10375-0932a.png orbit plot

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