🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.9

Radius: 13

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.45 AU - 0.65 AU

Year: 272 Days

Day: 14.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 57,320,927 km

• M1: 161,715 km (0.076 R)
• M2: 619,934 km (0.119 R)
• M3: 1,217,876 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 9.2

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.92 AU - 2.68 AU

Year: 2326 Days

Day: 8 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,320,927 km

• M1: 118,631 km (0.086 R)
• M2: 438,172 km (0.093 R)
• M3: 789,727 km (0.1 R)
• M4: 1,818,512 km (0.089 R)
• M5: 2,468,814 km (0.06 R)
• M6: 2,925,985 km (0.1 R)
• M7: 3,700,303 km (0.045 R)
• M8: 5,386,122 km (0.06 R)
• M9: 6,897,808 km (0.092 R)
• M10: 7,696,062 km (0.064 R)
• M11: 8,003,785 km (0.076 R)
• M12: 9,732,389 km (0.087 R)
• M13: 11,659,808 km (0.073 R)
• M14: 12,178,912 km (0.106 R)
• M15: 12,713,425 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.8

Radius: 8.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.78 AU - 3.82 AU

Year: 4940 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,320,927 km

• M1: 106,962 km (0.028 R)
• M2: 710,440 km (0.078 R)
• M3: 1,537,567 km (0.045 R)
• M4: 3,456,459 km (0.114 R)
• M5: 5,217,525 km (0.053 R)
• M6: 5,596,456 km (0.07 R)
• M7: 6,199,336 km (0.102 R)
• M8: 6,746,415 km (0.093 R)
• M9: 7,534,198 km (0.082 R)
• M10: 9,944,818 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420

Radius: 6.2

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.5 AU - 8.62 AU

Year: 16701 Days

Day: 22.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,320,927 km

• M1: 77,940 km (0.075 R)
• M2: 482,304 km (0.077 R)
• M3: 720,463 km (0.079 R)
• M4: 1,267,543 km (0.054 R)
• M5: 1,669,512 km (0.1 R)
• M6: 1,952,851 km (0.077 R)
• M7: 3,120,013 km (0.068 R)
• M8: 3,420,705 km (0.104 R)
• M9: 4,756,614 km (0.097 R)
• M10: 5,433,843 km (0.057 R)
• M11: 6,058,415 km (0.109 R)
• M12: 6,447,519 km (0.074 R)
• M13: 7,987,479 km (0.065 R)
• M14: 10,622,496 km (0.075 R)
• M15: 12,318,487 km (0.119 R)
• M16: 13,522,900 km (0.114 R)
• M17: 15,437,752 km (0.102 R)
• M18: 16,534,454 km (0.107 R)
• M19: 16,911,291 km (0.119 R)
• M20: 20,392,583 km (0.111 R)
• M21: 20,826,118 km (0.077 R)
• M22: 24,034,095 km (0.057 R)
• M23: 25,007,977 km (0.089 R)
• M24: 26,109,167 km (0.086 R)
• M25: 28,300,476 km (0.067 R)
• M26: 32,690,276 km (0.092 R)
• M27: 35,108,077 km (0.112 R)
• M28: 35,981,729 km (0.088 R)
• M29: 37,902,416 km (0.114 R)
• M30: 38,426,008 km (0.111 R)
• M31: 40,978,746 km (0.098 R)
• M32: 41,530,314 km (0.053 R)
• M33: 44,943,539 km (0.077 R)
• M34: 51,358,445 km (0.066 R)
• M35: 52,970,960 km (0.115 R)
• M36: 54,783,339 km (0.107 R)
• M37: 55,620,788 km (0.043 R)
• M38: 55,957,981 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 15,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit