10510+1603 A 2372 (HD 93966)

 
 
10h 51m 02.17s +16° 03' 14.4" P.A. 94.00 sep 0.4 mag 8.49,10.08 Sp F8 dist. 96.15 pc (313.64 l.y.)
 
 
Coord 2000 10510+1603 Discov num A  2372 Comp Coord arcsec 2000 10 51 02.17 +16 03 14.4
Date first 1911 Date last 2015 Obs 20
Pa first 72 Pa last 94 P.A. Now (θ) 94°
Sep first 0.3 Sep last 0.394 Sep. Now (ρ) 0.394"
Mag pri 8.49 Mag sec 10.08 delta mag (ΔM) 1.59 Spectral class F8 (yellow-white)
Pri motion ra +002 Sec motion ra
Pri motion dec -068 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 93966 Constellation Leo SAO 99319 HIP 53031
Tycho2 1429-00884-1 Gaia DR2 3981674926683177728 HD 93966 GC 14927
ADS 7944 BD BD+16 2175 Distance 96.15 Distance ly 313.64
 
 
ORBITAL ELEMENTS
 
 
Period (P)68.76y± 2.31 Periastron (T)1999.37y± 2.47 Semi-major axis (a)0.2514a± 0.0201
Eccentricity (e)0.916± 0.04 Inclination (i)137°± 23.2 Longitude of periastron (ω)173.8°± 61
Node (Ω)81°± 42.5 Notes ReferenceTok2025b
Equinox Last observation2025 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 166.8 0.035
2001 130.3 0.076
2002 119.3 0.114
2003 113.5 0.146
2004 109.7 0.175
2005 106.9 0.201
2006 104.7 0.225
2007 103.0 0.246
2008 101.5 0.267
2009 100.2 0.285
2010 99.1 0.303
2011 98.1 0.319
2012 97.2 0.334
2013 96.4 0.348
2014 95.6 0.362
2015 94.9 0.374
2016 94.2 0.385
2017 93.6 0.396
2018 93.0 0.406
2019 92.4 0.415
2020 91.8 0.424
2021 91.3 0.432
2022 90.8 0.439
2023 90.3 0.446
2024 89.8 0.452
2025 89.4 0.457
2026 88.9 0.462
2027 88.4 0.466
2028 88.0 0.470
2029 87.6 0.473
2030 87.1 0.476
2031 86.7 0.478
2032 86.3 0.479
2033 85.9 0.480
2034 85.4 0.480
2035 85.0 0.480
2036 84.6 0.480
2037 84.2 0.478
2038 83.7 0.476
2039 83.3 0.474
2040 82.9 0.471
2041 82.4 0.468
2042 82.0 0.464
2043 81.5 0.459
2044 81.1 0.454
2045 80.6 0.448
2046 80.1 0.441
2047 79.6 0.434
2048 79.1 0.426
2049 78.5 0.418
2050 78.0 0.409


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds10510%2B1603a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic