08041+3302 STT 187 (HD 66299)

 
 
08h 04m 08.38s +33° 01' 50.8" P.A. 337.00 sep 0.4 mag 6.94,8.50 Sp A1.5V dist. 172.71 pc (563.38 l.y.)
 
 
Coord 2000 08041+3302 Discov num STT 187 Comp Coord arcsec 2000 08 04 08.38 +33 01 50.8
Date first 1843 Date last 2017 Obs 119
Pa first 307 Pa last 336.6 P.A. Now (θ) 333.6°
Sep first 0.4 Sep last 0.436 Sep. Now (ρ) 0.43"
Mag pri 6.94 Mag sec 8.50 delta mag (ΔM) 1.56 Spectral class A1.5V (white)
Pri motion ra -013 Sec motion ra -013
Pri motion dec +007 Sec motion dec +007
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 66299 Constellation Gemini SAO 60538 HIP 39480
Tycho2 2472-01559-1 HD 66299 GC 10930 ADS 6549
BD BD+33 1636 Distance 172.71 Distance ly 563.38
 
 
ORBITAL ELEMENTS
 
 
Period (P)254y± 15 Periastron (T)1934.2y± 1.2 Semi-major axis (a)0.3268a± 0.006
Eccentricity (e)0.695± 0.016 Inclination (i)144.6°± 3.4 Longitude of periastron (ω)88.8°± 5.4
Node (Ω)225°± 6.5 Notesn ReferenceMsn1999a
Equinox2000 Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 345.7 0.392
2001 345.1 0.394
2002 344.5 0.396
2003 343.9 0.398
2004 343.4 0.400
2005 342.8 0.402
2006 342.3 0.404
2007 341.7 0.406
2008 341.2 0.407
2009 340.7 0.409
2010 340.1 0.411
2011 339.6 0.413
2012 339.1 0.414
2013 338.6 0.416
2014 338.1 0.417
2015 337.6 0.419
2016 337.1 0.420
2017 336.6 0.422
2018 336.1 0.423
2019 335.6 0.425
2020 335.1 0.426
2021 334.6 0.427
2022 334.1 0.428
2023 333.6 0.430
2024 333.2 0.431
2025 332.7 0.432
2026 332.2 0.433
2027 331.7 0.434
2028 331.3 0.435
2029 330.8 0.436
2030 330.3 0.437


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



 
 


wds08041%2B3302a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic