00593-0040 A  1902

00H 59M 20.47S -00 40' 28.3" P.A. 216.8 SEP 0.36 MAG 8.11,9.17 SP F5 DIST. 87.49 PC (285.39 L.Y.)

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)
216.8°
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.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
214.9
Precise sep
0.363
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




ORBITAL ELEMENTS

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 Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008

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.

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic