🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.52 AU - 0.74 AU

Year: 187 Days

Day: 41.1 Hours

Environment

Temp: 121 °C

Axial Tilt: 46.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.63 AU - 0.63 AU

Year: 187 Days

Day: 33.2 Hours

Environment

Temp: 137 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.57 AU - 0.81 AU

Year: 215 Days

Day: 25.8 Hours

Environment

Temp: 107 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.71 AU - 0.83 AU

Year: 253 Days

Day: 42.5 Hours

Environment

Temp: 178 °C

Axial Tilt: 13 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,609,032 km

• M1: 65,524 km (0.054 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.39 AU - 1.39 AU

Year: 614 Days

Day: 44.7 Hours

Environment

Temp: -44 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.6

Radius: 11.3

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.77 AU - 5.79 AU

Year: 3916 Days

Day: 5.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,609,032 km

• M1: 140,472 km (0.08 R)
• M2: 526,884 km (0.112 R)
• M3: 896,540 km (0.077 R)
• M4: 1,324,988 km (0.071 R)
• M5: 2,266,258 km (0.068 R)
• M6: 2,910,576 km (0.071 R)
• M7: 3,384,502 km (0.094 R)
• M8: 4,138,176 km (0.112 R)
• M9: 6,549,844 km (0.042 R)
• M10: 7,209,720 km (0.099 R)
• M11: 7,747,075 km (0.085 R)
• M12: 8,368,804 km (0.056 R)
• M13: 9,648,315 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.5

Radius: 9.4

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.87 AU - 9.67 AU

Year: 9733 Days

Day: 13 Hours

Environment

Temp: -178 °C

Axial Tilt: 94.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,609,032 km

• M1: 125,213 km (0.096 R)
• M2: 457,021 km (0.036 R)
• M3: 808,277 km (0.072 R)
• M4: 1,501,514 km (0.084 R)
• M5: 1,847,833 km (0.084 R)
• M6: 2,224,371 km (0.109 R)
• M7: 3,821,926 km (0.094 R)
• M8: 7,037,981 km (0.038 R)
• M9: 8,158,320 km (0.047 R)
• M10: 10,381,943 km (0.118 R)
• M11: 10,748,906 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.1

Radius: 13.1

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.81 AU - 10.73 AU

Year: 12333 Days

Day: 6.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,609,032 km

• M1: 163,211 km (0.095 R)
• M2: 642,822 km (0.076 R)
• M3: 1,115,103 km (0.074 R)
• M4: 1,567,636 km (0.101 R)
• M5: 2,538,975 km (0.103 R)
• M6: 4,607,614 km (0.037 R)
• M7: 6,725,771 km (0.118 R)
• M8: 7,939,159 km (0.108 R)
• M9: 9,932,700 km (0.038 R)
• M10: 11,658,910 km (0.049 R)
• M11: 17,071,959 km (0.097 R)
• M12: 19,611,383 km (0.116 R)
• M13: 22,555,021 km (0.108 R)
• M14: 27,228,009 km (0.104 R)
• M15: 28,727,878 km (0.102 R)
• M16: 30,381,084 km (0.084 R)
• M17: 32,613,533 km (0.062 R)
• M18: 35,942,085 km (0.082 R)
• M19: 38,437,378 km (0.038 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 16,864 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit