04545-0314 RST5501

 
 
04H 54M 27.96S -03 13' 33.3" P.A. 171 SEP 0.14 MAG 7.29,7.46 SP F5 DIST. 124.53 PC (406.22 L.Y.)
 
 
Coord 2000
04545-0314
Discov num
RST5501
Comp
Coord arcsec 2000
04 54 27.96 -03 13 33.3
Date first
1950
Date last
2014
Obs
40
Pa first
88
Pa last
187
P.A. Now (θ)
171°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.14"
Mag pri
7.29
Mag sec
7.46
delta mag (ΔM)
0.17
Spectral class
F5 (yellow-white)
Pri motion ra
+028
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Orion
HIP
22812
Tycho2
4741-01619-1
HD
31297
BD
BD-03 928
Distance
124.53
Distance ly
406.22
last precise pa
186.9
last precise sep
0.146
 
 
ORBITAL ELEMENTS
 
 
Period (P)84.66y± 1.42 Periastron (T)2004.32y± 0.39 Semi-major axis (a)0.243a± 0.003
Eccentricity (e)0.515± 0.011 Inclination (i)120.8°± 1.4 Longitude of periastron (ω)310.3°± 1.9
Node (Ω)219.1°± 1 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.082 342.6
2001 0.069 322.9
2002 0.065 297.8
2003 0.071 273.5
2004 0.084 254.9
2005 0.100 241.8
2006 0.114 232.1
2007 0.126 224.5
2008 0.135 218.0
2009 0.142 212.3
2010 0.146 207.0
2011 0.148 201.9
2012 0.148 196.9
2013 0.148 191.9
2014 0.147 186.8
2015 0.146 181.6
2016 0.144 176.4
2017 0.143 171.0
2018 0.142 165.6
2019 0.141 160.1
2020 0.141 154.5
2021 0.142 149.0
2022 0.143 143.6
2023 0.145 138.3
2024 0.148 133.1
2025 0.151 128.2
2026 0.155 123.5
2027 0.160 119.0
2028 0.165 114.9
2029 0.170 110.9
2030 0.176 107.2

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