00593-0040 A  1902

Coord 2000	00593-0040		Discov num	A  1902		Comp			Coord arcsec 2000	00 59 20.47 -00 40 28.3
Date first	1908		Date last	2014		Obs	73
Pa first	199		Pa last	215		P.A. Now (θ)	217.8°
Sep first	0.3		Sep last	0.4		Sep. Now (ρ)	0.36"
Mag pri	8.11		Mag sec	9.17		delta mag (ΔM)	1.06		Spectral class	F5 (yellow-white)
Pri motion ra	+028		Sec motion ra
Pri motion dec	-034		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

Constellation	Cetus		SAO	129063		HIP	4619		HD	5781
ADS	819		Distance	87.49		Distance ly	285.39		last precise pa	214.9
last precise sep	0.363

Period (P)	94.57y		Periastron (T)	1963.72y		Semi-major axis (a)	0.313a
Eccentricity (e)	0.812		Inclination (i)	50.9°		Longitude of periastron (ω)	273.2°
Node (Ω)	115.3°		Note			Grade	3	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2008

label rho theta 2000 0.346 198.3 2001 0.348 199.4 2002 0.350 200.6 2003 0.351 201.7 2004 0.353 202.8 2005 0.354 203.9 2006 0.355 205.0 2007 0.356 206.1 2008 0.357 207.1 2009 0.358 208.2 2010 0.358 209.3 2011 0.359 210.4 2012 0.359 211.4 2013 0.359 212.5 2014 0.359 213.6 2015 0.359 214.6 2016 0.359 215.7 2017 0.358 216.8 2018 0.358 217.8 2019 0.357 218.9 2020 0.356 220.0 2021 0.355 221.1 2022 0.354 222.2 2023 0.352 223.3 2024 0.351 224.4 2025 0.349 225.5 2026 0.347 226.6 2027 0.345 227.8 2028 0.343 228.9 2029 0.340 230.1 2030 0.338 231.3 Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00593-0040	A 1902		2003	67	204	0.3	8.11	9.17	F5	NOD	005920.47-004028.3
00593-0040	A 1902		2008	72	209	0.4	8.11	9.17	F5	NOD	005920.47-004028.3
00593-0040	A 1902		2014	73	215	0.4	8.11	9.17	F5	NO	005920.47-004028.3

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