04403-5857 HJ 3683 (HD 30003)

 
 
04h 40m 17.72s -58° 56' 39.5" P.A. 90.00 sep 3.8 mag 7.33,7.45 Sp G5V dist. 30.6 pc (99.82 l.y.)
 
 
Coord 2000 04403-5857 Discov num HJ 3683 Comp Coord arcsec 2000 04 40 17.72 -58 56 39.5
Date first 1835 Date last 2017 Obs 109
Pa first 81 Pa last 89.9 P.A. Now (θ) 89.9°
Sep first 3.0 Sep last 3.831 Sep. Now (ρ) 3.831"
Mag pri 7.33 Mag sec 7.45 delta mag (ΔM) 0.12 Spectral class G5V (yellow)
Pri motion ra +031 Sec motion ra +057
Pri motion dec +175 Sec motion dec +179
Notes O (Orbital solution)
rPM=0.14 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 30003 Constellation Dorado SAO 233622 HIP 21756
Tycho2 8515-01845-2 Gaia DR2 4774152506544171136 HD 30003 HR 1504
GL Gl 175A CD CD-59 893 CP CP-59 370 Distance 30.6
Distance ly 99.82
 
 
ORBITAL ELEMENTS
 
 
Period (P)326.17y Periastron (T)1919.36y Semi-major axis (a)2.435a
Eccentricity (e)0.95 Inclination (i)100.9° Longitude of periastron (ω)338.1°
Node (Ω)263.6° Notes ReferenceUSN2006b
Equinox2000 Last observation2002 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 89.9 3.417
2001 89.9 3.439
2002 89.9 3.461
2003 89.8 3.483
2004 89.8 3.505
2005 89.8 3.526
2006 89.7 3.547
2007 89.7 3.568
2008 89.7 3.588
2009 89.6 3.608
2010 89.6 3.628
2011 89.6 3.648
2012 89.6 3.667
2013 89.5 3.686
2014 89.5 3.705
2015 89.5 3.723
2016 89.4 3.742
2017 89.4 3.760
2018 89.4 3.777
2019 89.4 3.795
2020 89.3 3.812
2021 89.3 3.829
2022 89.3 3.846
2023 89.3 3.862
2024 89.2 3.878
2025 89.2 3.894
2026 89.2 3.910
2027 89.1 3.926
2028 89.1 3.941
2029 89.1 3.956
2030 89.1 3.970


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



 
 


wds04403-5857a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic