02158-1814 HTG 1 (HD 14001)

 
 
02h 15m 46.15s -18° 14' 17.7" P.A. 166.00 sep 2.0 mag 8.49,9.25 Sp K3V dist. 23.15 pc (75.52 l.y.)
 
 
Coord 2000 02158-1814 Discov num HTG   1 Comp Coord arcsec 2000 02 15 46.15 -18 14 17.7
Date first 1879 Date last 2017 Obs 97
Pa first 312 Pa last 166 P.A. Now (θ) 166°
Sep first 2.2 Sep last 2.022 Sep. Now (ρ) 2.022"
Mag pri 8.49 Mag sec 9.25 delta mag (ΔM) 0.76 Spectral class K3V (yellow-orange)
Pri motion ra -052 Sec motion ra -052
Pri motion dec -135 Sec motion dec -135
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 14001 Constellation Cetus SAO 148298 HIP 10542
Tycho2 5859-01144-1 Gaia DR2 5143341362661301632 HD 14001 GC 2723
ADS 1733 GL Gl 91.2A BD BD-18 394 Distance 23.15
Distance ly 75.52
 
 
ORBITAL ELEMENTS
 
 
Period (P)313.5904y± 62.3106 Periastron (T)1969.1696y± 14.6486 Semi-major axis (a)2.26371a± 0.1674
Eccentricity (e)0.17464± 0.11812 Inclination (i)38.499°± 4.117 Longitude of periastron (ω)75.405°± 33.85
Node (Ω)9.608°± 9.193 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 141.1 1.693
2001 142.7 1.709
2002 144.2 1.726
2003 145.8 1.742
2004 147.2 1.759
2005 148.7 1.776
2006 150.1 1.793
2007 151.5 1.810
2008 152.9 1.827
2009 154.2 1.844
2010 155.5 1.861
2011 156.8 1.878
2012 158.1 1.895
2013 159.4 1.912
2014 160.6 1.928
2015 161.8 1.945
2016 163.0 1.961
2017 164.2 1.977
2018 165.3 1.993
2019 166.4 2.009
2020 167.6 2.025
2021 168.7 2.040
2022 169.7 2.055
2023 170.8 2.070
2024 171.9 2.084
2025 172.9 2.098
2026 173.9 2.112
2027 174.9 2.126
2028 175.9 2.139
2029 176.9 2.152
2030 177.9 2.165


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



 
 


wds02158-1814c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic