08153-6255 RMK 8 (HD 69863)

 
 
08h 15m 15.91s -62° 54' 56.2" P.A. 70.00 sep 4.1 mag 5.27,7.62 Sp A2V dist. 77.52 pc (252.87 l.y.)
 
 
Coord 2000 08153-6255 Discov num RMK   8 Comp Coord arcsec 2000 08 15 15.91 -62 54 56.2
Date first 1851 Date last 2016 Obs 26
Pa first 57 Pa last 69.8 P.A. Now (θ) 69.8°
Sep first 3.7 Sep last 4.073 Sep. Now (ρ) 4.073"
Mag pri 5.27 Mag sec 7.62 delta mag (ΔM) 2.35 Spectral class A2V (white)
Pri motion ra -036 Sec motion ra -027
Pri motion dec -002 Sec motion dec -011
Notes O (Orbital solution)
rPM=0.353
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 69863 Constellation Carina SAO 250164 HIP 40429
Tycho2 8928-02911-1 Gaia DR2 5277370356917351808 HD 69863 HR 3260
GC 11275 CP CP-62 985 Distance 77.52 Distance ly 252.87
 
 
ORBITAL ELEMENTS
 
 
Period (P)30000y Periastron (T)1950y± 150 Semi-major axis (a)21a± 7
Eccentricity (e)0.8± 0.3 Inclination (i)73°± 3 Longitude of periastron (ω)350°± 30
Node (Ω)70.4°± 0.7 Notes ReferenceLRR2018b
Equinox2000 Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 70.1 4.222
2001 70.2 4.223
2002 70.2 4.225
2003 70.3 4.226
2004 70.3 4.227
2005 70.4 4.228
2006 70.4 4.229
2007 70.5 4.230
2008 70.5 4.231
2009 70.6 4.232
2010 70.6 4.233
2011 70.7 4.234
2012 70.7 4.234
2013 70.8 4.235
2014 70.8 4.236
2015 70.9 4.237
2016 70.9 4.238
2017 71.0 4.239
2018 71.0 4.240
2019 71.1 4.240
2020 71.1 4.241
2021 71.2 4.242
2022 71.2 4.243
2023 71.3 4.243
2024 71.3 4.244
2025 71.4 4.245
2026 71.4 4.245
2027 71.5 4.246
2028 71.5 4.246
2029 71.6 4.247
2030 71.6 4.248


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



 
 


wds08153-6255a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic