🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.47 AU - 0.74 AU

Year: 163 Days

Day: 16.3 Hours

Environment

Temp: 232 °C

Axial Tilt: 76.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.17 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.4

Radius: 14.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.69 AU - 5.77 AU

Year: 4821 Days

Day: 13.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,940,747 km

• M1: 179,069 km (0.078 R)
• M2: 731,982 km (0.061 R)
• M3: 1,463,666 km (0.105 R)
• M4: 1,933,552 km (0.09 R)
• M5: 2,440,540 km (0.108 R)
• M6: 4,045,126 km (0.026 R)
• M7: 4,551,964 km (0.067 R)
• M8: 5,046,983 km (0.108 R)
• M9: 6,919,799 km (0.118 R)
• M10: 7,506,073 km (0.115 R)
• M11: 8,088,158 km (0.094 R)
• M12: 10,366,684 km (0.038 R)
• M13: 10,860,207 km (0.119 R)
• M14: 11,894,676 km (0.107 R)
• M15: 13,568,527 km (0.083 R)
• M16: 14,937,497 km (0.118 R)
• M17: 16,336,536 km (0.116 R)
• M18: 17,631,007 km (0.1 R)
• M19: 18,860,252 km (0.081 R)
• M20: 24,590,150 km (0.086 R)
• M21: 29,203,300 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.6

Radius: 8.4

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.79 AU - 6.83 AU

Year: 5571 Days

Day: 9.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,940,747 km

• M1: 104,569 km (0.095 R)
• M2: 382,522 km (0.041 R)
• M3: 740,809 km (0.069 R)
• M4: 1,321,248 km (0.108 R)
• M5: 1,774,829 km (0.111 R)
• M6: 2,444,130 km (0.094 R)
• M7: 2,764,868 km (0.11 R)
• M8: 3,096,377 km (0.117 R)
• M9: 3,721,097 km (0.097 R)
• M10: 4,063,826 km (0.049 R)
• M11: 4,859,388 km (0.047 R)
• M12: 5,728,701 km (0.12 R)
• M13: 6,326,045 km (0.105 R)
• M14: 6,874,621 km (0.085 R)
• M15: 7,392,080 km (0.05 R)
• M16: 9,687,809 km (0.105 R)
• M17: 11,389,185 km (0.088 R)
• M18: 12,332,699 km (0.082 R)
• M19: 13,096,845 km (0.089 R)
• M20: 15,068,994 km (0.051 R)
• M21: 16,902,764 km (0.109 R)
• M22: 17,788,533 km (0.065 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.5

Radius: 7.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 12.46 AU - 14.54 AU

Year: 17433 Days

Day: 20.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,940,747 km

• M1: 94,695 km (0.101 R)
• M2: 833,111 km (0.074 R)
• M3: 1,225,655 km (0.1 R)
• M4: 1,767,499 km (0.071 R)
• M5: 4,967,547 km (0.057 R)
• M6: 6,003,811 km (0.048 R)
• M7: 6,861,007 km (0.069 R)
• M8: 8,011,564 km (0.097 R)
• M9: 10,274,980 km (0.087 R)
• M10: 15,271,998 km (0.079 R)
• M11: 16,505,731 km (0.111 R)
• M12: 17,074,951 km (0.055 R)
• M13: 19,326,250 km (0.113 R)
• M14: 19,640,555 km (0.056 R)
• M15: 21,347,616 km (0.119 R)
• M16: 22,108,621 km (0.085 R)
• M17: 24,591,796 km (0.101 R)
• M18: 26,668,962 km (0.1 R)
• M19: 33,597,737 km (0.115 R)
• M20: 34,626,821 km (0.097 R)
• M21: 37,351,746 km (0.082 R)
• M22: 38,332,210 km (0.104 R)
• M23: 40,472,358 km (0.065 R)
• M24: 41,898,923 km (0.071 R)

Kuiper Belt

Range: 31.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 16,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit