11336-4035 I 78 (HD 100493)

 
 
11h 33m 37.14s -40° 35' 11.8" P.A. 104.00 sep 0.5 mag 6.13,6.16 Sp A2IV-V dist. 118.2 pc (385.57 l.y.)
 
 
Coord 2000 11336-4035 Discov num I    78 Comp Coord arcsec 2000 11 33 37.14 -40 35 11.8
Date first 1894 Date last 2022 Obs 42
Pa first 88 Pa last 104 P.A. Now (θ) 103.1°
Sep first 1.4 Sep last 0.453 Sep. Now (ρ) 0.487"
Mag pri 6.13 Mag sec 6.16 delta mag (ΔM) 0.03 Spectral class A2IV-V (white)
Pri motion ra -083 Sec motion ra -083
Pri motion dec +027 Sec motion dec +027
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 100493 Constellation Centaurus SAO 222863 HIP 56391
Tycho2 7744-01536-1 HD 100493 HR 4453 GC 15854
CD CD-39 7175 CP CP-39 5140 Distance 118.2 Distance ly 385.57
 
 
ORBITAL ELEMENTS
 
 
Period (P)600y Periastron (T)2064.253y Semi-major axis (a)1.063a
Eccentricity (e)0.112 Inclination (i)84.5° Longitude of periastron (ω)93.6°
Node (Ω)93.7° Notesn ReferenceTok2023a
Equinox2000 Last observation2022 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 99.4 0.680
2001 99.5 0.671
2002 99.7 0.661
2003 99.8 0.652
2004 100.0 0.642
2005 100.1 0.633
2006 100.3 0.623
2007 100.5 0.613
2008 100.6 0.603
2009 100.8 0.593
2010 101.0 0.583
2011 101.2 0.573
2012 101.4 0.563
2013 101.6 0.553
2014 101.8 0.543
2015 102.1 0.532
2016 102.3 0.522
2017 102.5 0.511
2018 102.8 0.501
2019 103.0 0.490
2020 103.3 0.479
2021 103.6 0.468
2022 103.9 0.457
2023 104.2 0.447
2024 104.6 0.436
2025 104.9 0.425
2026 105.3 0.414
2027 105.7 0.402
2028 106.1 0.391
2029 106.5 0.380
2030 107.0 0.369
2031 107.5 0.358
2032 108.0 0.346
2033 108.5 0.335
2034 109.1 0.324
2035 109.8 0.313
2036 110.5 0.301
2037 111.2 0.290
2038 112.0 0.279
2039 112.9 0.267
2040 113.8 0.256
2041 114.8 0.245
2042 116.0 0.234
2043 117.2 0.222
2044 118.6 0.211
2045 120.1 0.200
2046 121.8 0.190
2047 123.7 0.179
2048 125.9 0.168
2049 128.3 0.158
2050 131.0 0.148


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds11336-4035a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic