00583+2124 BU  302

 
 
00H 58M 18.89S +21 24' 16.2" P.A. 256.4 SEP 0.16 MAG 6.60,8.77 SP A2V DIST. 129.7 PC (423.08 L.Y.)
 
 
Coord 2000
00583+2124
Discov num
BU  302
Comp
Coord arcsec 2000
00 58 18.89 +21 24 16.2
Date first
1875
Date last
2008
Obs
123
Pa first
94
Pa last
207
P.A. Now (θ)
256.4°
Sep first
0.7
Sep last
0.3
Sep. Now (ρ)
0.16"
Mag pri
6.60
Mag sec
8.77
delta mag (ΔM)
2.17
Spectral class
A2V (white)
Pri motion ra
-013
Sec motion ra
-013
Pri motion dec
-001
Sec motion dec
-001
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pisces
SAO
74402
HIP
4558
Tycho2
1195-01109-1
HD
5641
HR
277
ADS
805
BD
BD+20 131
Distance
129.7
Distance ly
423.08
last precise pa
206.6
last precise sep
0.3
 
 
ORBITAL ELEMENTS
 
 
Period (P)331.97y± 3.33 Periastron (T)2017.54y± 2.99 Semi-major axis (a)0.651a± 0.046
Eccentricity (e)0.665± 0.028 Inclination (i)48.1°± 1.2 Longitude of periastron (ω)252.2°± 3.7
Node (Ω)17.2°± 2.2 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation1999
label rho theta
2000 0.347 186.5
2001 0.339 188.5
2002 0.330 190.5
2003 0.321 192.7
2004 0.311 195.0
2005 0.301 197.5
2006 0.290 200.1
2007 0.279 202.9
2008 0.267 206.0
2009 0.255 209.4
2010 0.242 213.1
2011 0.229 217.2
2012 0.216 221.9
2013 0.202 227.1
2014 0.190 233.1
2015 0.177 239.9
2016 0.167 247.7
2017 0.158 256.4
2018 0.151 266.1
2019 0.148 276.3
2020 0.148 286.8
2021 0.152 297.0
2022 0.159 306.5
2023 0.169 315.0
2024 0.181 322.5
2025 0.194 329.0
2026 0.208 334.7
2027 0.223 339.6
2028 0.239 343.9
2029 0.254 347.7
2030 0.269 351.1

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