🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.57 AU - 0.63 AU

Year: 166 Days

Day: 31.4 Hours

Environment

Temp: 212 °C

Axial Tilt: 14.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.7

Radius: 11.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.52 AU - 7.53 AU

Year: 5265 Days

Day: 6.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,676,928 km

• M1: 138,228 km (0.109 R)
• M2: 508,184 km (0.071 R)
• M3: 866,920 km (0.088 R)
• M4: 1,245,402 km (0.077 R)
• M5: 1,746,555 km (0.093 R)
• M6: 2,181,137 km (0.103 R)
• M7: 2,815,432 km (0.047 R)
• M8: 3,161,003 km (0.056 R)
• M9: 4,049,016 km (0.11 R)
• M10: 4,966,649 km (0.111 R)
• M11: 5,339,148 km (0.096 R)
• M12: 6,441,684 km (0.06 R)
• M13: 7,575,487 km (0.079 R)
• M14: 9,452,641 km (0.119 R)
• M15: 9,923,874 km (0.074 R)
• M16: 10,660,195 km (0.093 R)
• M17: 11,890,338 km (0.064 R)
• M18: 15,080,064 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.6

Radius: 10

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.32 AU - 7.5 AU

Year: 5785 Days

Day: 12.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,676,928 km

• M1: 124,316 km (0.119 R)
• M2: 551,268 km (0.117 R)
• M3: 1,043,894 km (0.099 R)
• M4: 2,541,069 km (0.099 R)
• M5: 2,986,273 km (0.058 R)
• M6: 3,445,688 km (0.075 R)
• M7: 4,013,262 km (0.068 R)
• M8: 4,826,925 km (0.063 R)
• M9: 5,335,558 km (0.076 R)
• M10: 7,607,800 km (0.118 R)
• M11: 8,163,107 km (0.095 R)
• M12: 8,957,322 km (0.074 R)
• M13: 9,954,242 km (0.109 R)
• M14: 14,394,457 km (0.113 R)
• M15: 16,286,870 km (0.041 R)
• M16: 17,320,591 km (0.075 R)
• M17: 18,746,558 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.3

Radius: 12.1

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.72 AU - 8.94 AU

Year: 7074 Days

Day: 5.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,676,928 km

• M1: 150,495 km (0.082 R)
• M2: 746,942 km (0.037 R)
• M3: 1,203,814 km (0.093 R)
• M4: 1,777,223 km (0.061 R)
• M5: 2,399,999 km (0.073 R)
• M6: 3,496,551 km (0.09 R)
• M7: 3,905,252 km (0.098 R)
• M8: 4,618,086 km (0.114 R)
• M9: 5,460,322 km (0.112 R)
• M10: 7,504,727 km (0.083 R)
• M11: 9,261,754 km (0.096 R)
• M12: 9,782,354 km (0.072 R)
• M13: 11,872,685 km (0.096 R)
• M14: 12,331,801 km (0.108 R)
• M15: 13,326,478 km (0.092 R)
• M16: 14,117,701 km (0.109 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 14,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit