Solar System by apparent size
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maximum angular diameter
Theoretical maximum angular diameters of Solar System objects.
- 34.142318167759912317334133764235' (Terran Satellite Luna)
- 32.547126271128421347619794544615' (Star Sol)
- 1.0906123267366001865954297950335' (Planet Venus)
- 50.115577292011594309068223040747" (Planet Jupiter)
- 25.685340680612365924690116419971" (Planet Mars)
- 20.710914369111405511819166681816" (Planet Saturn)
- 13.030602889883030119235614459212" (Planet Mercury)
- 4.0812943165836861322325384913351" (Planet Uranus)
- 2.3714321979272179525305286226839" (Planet Neptune)
- 1.8500081168516257242353190047029" (Jovian Satellite Ganymede)
- 1.6950737536462117296784747781491" (Jovian Satellite Callisto)
- 1.2758186006115161532107678507247" (Jovian Satellite Io)
- 1.0953739293038257329442022843157" (Jovian Satellite Europa)
- 0.88572560775248785404142250762448" (Saturnian Satellite Titan)
Angular diameters of triaxial ellipsoids are calculated with the middle radius (second equatorial radius).
data
Sol
Star Sol.
- re = 696.3 Mm
- dmin = 147.09206561347015794307232373387 Gm = π0 − rmax,0
Jupiter
Planet Jupiter.
- re = 71.492 Mm
- π = 740.595 Gm
- dmin = 588.49101861347015794307232373387 Gm = π − α0 − rmax,0
Saturn
Planet Saturn.
- re = 60.268 Mm
- π = 1.35255 Tm
- dmin = 1.2004460186134701579430723237339 Tm = π − α0 − rmax,0
Uranus
Planet Uranus.
- re = 25.559 Mm
- π = 2.73556 Tm
- dmin = 2.5834560186134701579430723237339 Tm = π − α0 − rmax,0
Neptune
Planet Neptune.
- re = 24.764 Mm
- π = 4.46 Tm
- dmin = 4.3078960186134701579430723237339 Tm = π − α0 − rmax,0
Venus
Planet Venus.
- m = 4.8675 Rg
- P = 20.99715264 Ms = 243.0226 d
- re = 6.0518001540473630205875615870764 Mm = (6.0518 Mm)([5nπ2{6.0518 Mm}3/{3GmP2}] + 1)
- α = 108.94 Gm
- dmin = 38.152065613470157943072323733871 Gm = π0 − α − rmax,0
Mars
Planet Mars.
- re = 3.3962 Mm
- π = 206.650 Gm
- dmin = 54.546018613470157943072323733871 Gm = π − α0 − rmax,0
Ganymede
Jovian Satellite Ganymede.
- m = 148.19 Yg
- P = 618.153375744 ks = 7.15455296 d
- r = 2.6343095368525535298979659694619 Mm = (2.6341 Mm)([5nπ2{2.6341 Mm}3/{3GmP2}] + 1)
- α = 1.0716 Gm
- dmin = 587.41941861347015794307232373387 Gm = dmin,Jupiter − α
Titan
Saturnian Satellite Titan.
- r = 2.57473 Mm
- α = 1.25706 Gm
- dmin = 1.1991889586134701579430723237339 Tm = dmin,Saturn − α
Mercury
Planet Mercury.
- re = 2.4407983592616677504877194737632 Mm = −2(2.4397 Mm)/(0.0009 − 2)
- α = 69.82 Gm
- dmin = 77.272065613470157943072323733871 Gm = π0 − α − rmax,0
Callisto
Jovian Satellite Callisto.
- m = 107.5938 Yg
- P = 1.44193118976 Ms = 16.6890184 d
- r = 2.4103371835504931845570782568187 Mm = (2.4103 Mm)([5nπ2{2.4103 Mm}3/{3GmP2}] + 1)
- α = 1.897 Gm
- dmin = 586.59401861347015794307232373387 Gm = dmin,Jupiter − α
Io
Jovian Satellite Io.
- re,b = 1.8187 Mm = (3.6374/2) Mm
- α = 423.4 Mm
- dmin = 588.06761861347015794307232373387 Gm = dmin,Jupiter − α
Luna
Terran Satellite Luna.
- re = 1.7381 Mm
- πmin = 356.4 Mm
- dmin = 350.01561347015794307232373387065 Mm = πmin − rmax,0
Europa
Jovian Satellite Europa.
- r = 1.5608 Mm
- α = 676.938 Mm
- dmin = 587.81408061347015794307232373387 Gm = dmin,Jupiter − α
Iapetus
Saturnian Satellite Iapetus.
- re = 746.00 km = (1.4920/2) Mm
- α = 3.659387770584 Gm = (0.0276812 + 1)(3.56082 Gm)
- dmin = 1.1967866308428861579430723237339 Tm = dmin,Saturn − α
- δp,max = 0.25714449258506853269763466887060" = 2asin(rp/dmin)
Ceres
Minor Planet Ceres.
- re,b = 481.0 km = (962.0/2) km
- π = 381 Gm
- dmin = 228.89601861347015794307232373387 Gm = π − α0 − rmax,0
- δp,max = 0.86688595464357998161003398040218" = 2asin(rp/dmin)
Vesta
Minor Planet Vesta.
- re,b = 278.6 km = (557.2/2) km
- π = 322 Gm
- dmin = 169.89601861347015794307232373387 Gm = π − α0 − rmax,0
- δp,max = 0.67647700622350749837333046252586" = 2asin(rp/dmin)
Pallas
Minor Planet Pallas.
- re,b = 266 km = (532/2) km
- π = 319 Gm
- dmin = 166.89601861347015794307232373387 Gm = π − α0 − rmax,0
- δp,max = 0.65749247846134773534338734227922" = 2asin(rp/dmin)
Juno
Minor Planet Juno.
- re,b = 125 km = (250/2) km
- π = 297.0 Gm
- dmin = 144.89601861347015794307232373387 Gm = π − α0 − rmax,0
- δp,max = 0.35588418546778944267259225024255" = 2asin(rp/dmin)
formulae
- δp,max = 2asin(rp/dmin) = maximum polar angular diameter
- dmin,S,0 = πS,0 − rmax,0 = minimum distance of Terran satellite
- dmin,P,inf = π0 − αP,inf − rmax,0 = minimum distance of inferior planet
- dmin,P,sup = πP,sup − α0 − rmax,0 = minimum distance of superior planet
- dmin,S,sup = dmin,P,sup − αS,sup = minimum distance of superior satellite
constants
- α0 = 152.097597 Gm = Terran aphelion distance
- π0 = 147.098450 Gm = Terran perihelion distance
- rmax,0 = 6.3843865298420569276762661293493 Mm = √([{cos(φ)a2}2 + {sin(φ)b2}2]/[{cos(φ)a}2 + {sin(φ)b}2]) + h = Terran maximum radius
- a = 6.378137 Mm = Terran equatorial radius
- b = 6.356752 Mm = Terran polar radius
- h = +6.26347 km = Terran elevation of Chimborazo
- φ = −25.641801411647532015402479952681mr = −1.469167° = Terran latitude angle of Chimborazo
- G = 6.67430 × 10−11 N·m2/kg2 = gravitational constant