04589+6435 GNO 1

 
 
04h 58m 53.90s +64° 34' 52.6" P.A. 59.00 sep 0.1 mag 17.50,18.48 Sp T8.5+T9
 
 
Coord 2000 04589+6435 Discov num GNO   1 Comp Coord arcsec 2000 04 58 53.90 +64 34 52.6
Date first 2010 Date last 2018 Obs 10
Pa first 320 Pa last 59.2 P.A. Now (θ) 59.2°
Sep first 0.5 Sep last 0.132 Sep. Now (ρ) 0.132"
Mag pri 17.50 Mag sec 18.48 delta mag (ΔM) 0.98 Spectral class T8.5+T9 (brown dwarf/brown dwarf)
Pri motion ra Sec motion ra
Pri motion dec Sec motion dec
Notes N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Camelopardalis
 
 
ORBITAL ELEMENTS
 
 
Period (P)43y± 12 Periastron (T)51994d (2001.231y)± 18 Semi-major axis (a)540m± 70
Eccentricity (e)0.18± 0.18 Inclination (i)76.5°± 2.3 Longitude of periastron (ω)110°± 130
Node (Ω)132°± 2.1 Notesn ReferenceLeg2019
Equinox Last observation2018 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 242.5 0.110
2001 274.9 0.164
2002 289.5 0.236
2003 297.2 0.307
2004 302.1 0.370
2005 305.7 0.422
2006 308.6 0.460
2007 311.1 0.486
2008 313.4 0.498
2009 315.6 0.498
2010 318.0 0.486
2011 320.4 0.464
2012 323.2 0.433
2013 326.5 0.395
2014 330.5 0.352
2015 335.7 0.304
2016 343.0 0.256
2017 353.5 0.209
2018 9.4 0.170
2019 32.2 0.148
2020 57.7 0.153
2021 78.3 0.181
2022 92.2 0.224
2023 101.5 0.272
2024 107.9 0.322
2025 112.6 0.370
2026 116.2 0.416
2027 119.1 0.457
2028 121.6 0.493
2029 123.8 0.523
2030 125.7 0.545


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



 
 


wds04589%2B6435a.jpg orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic