09202+3518 RED  11

 
 
09H 20M 12.23S +35 17' 42.9" P.A. 68.2 SEP 0.05 MAG 19.83,20.71 SP L6.5+T2
 
 
Coord 2000
09202+3518
Discov num
RED  11
Comp
Coord arcsec 2000
09 20 12.23 +35 17 42.9
Date first
2000
Date last
2008
Obs
8
Pa first
90
Pa last
248
P.A. Now (θ)
68.2°
Sep first
0.1
Sep last
0.0
Sep. Now (ρ)
0.05"
Mag pri
19.83
Mag sec
20.71
delta mag (ΔM)
0.88
Spectral class
L6.5+T2 (very deep red/brown dwarf)
Pri motion ra
-167
Sec motion ra
Pri motion dec
-200
Sec motion dec
Notes
N O R (See Notes, Orbital solution, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Lynx
last precise pa
247.6
last precise sep
0.037
 
 
ORBITAL ELEMENTS
 
 
Period (P)6.7y± 3.4 Periastron (T)2003.43y± 1.15 Semi-major axis (a)0.069a± 0.024
Eccentricity (e)0.21± 0.43 Inclination (i)88.6°± 2.4 Longitude of periastron (ω)317°± 172
Node (Ω)69°± 1.5 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.058 247.6
2001 0.079 248.8
2002 0.056 250.0
2003 0.011 62.2
2004 0.057 69.1
2005 0.030 72.0
2006 0.026 244.8
2007 0.068 248.0
2008 0.077 249.1
2009 0.039 250.9
2010 0.032 67.1
2011 0.056 69.6
2012 0.014 76.5
2013 0.041 246.5
2014 0.075 248.4
2015 0.071 249.4
2016 0.019 253.3
2017 0.048 68.2
2018 0.047 70.3
2019 0.004 219.8
2020 0.054 247.4
2021 0.079 248.7
2022 0.060 249.8
2023 0.004 48.9
2024 0.056 68.9
2025 0.035 71.4
2026 0.020 243.6
2027 0.065 247.9
2028 0.078 249.0
2029 0.045 250.5
2030 0.026 66.3

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic