🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.7

Radius: 10.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.06 AU - 1.34 AU

Year: 892 Days

Day: 14.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,010,042 km

• M1: 134,339 km (0.113 R)
• M2: 488,287 km (0.111 R)
• M3: 991,535 km (0.101 R)
• M4: 1,563,148 km (0.09 R)
• M5: 2,152,564 km (0.085 R)
• M6: 2,586,697 km (0.069 R)
• M7: 3,800,235 km (0.082 R)
• M8: 4,913,392 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.3

Radius: 10.8

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.9 AU - 2.84 AU

Year: 2475 Days

Day: 11.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,010,042 km

• M1: 136,583 km (0.099 R)
• M2: 603,029 km (0.096 R)
• M3: 1,278,164 km (0.025 R)
• M4: 2,044,255 km (0.116 R)
• M5: 2,479,286 km (0.091 R)
• M6: 3,864,711 km (0.106 R)
• M7: 4,624,220 km (0.117 R)
• M8: 5,039,803 km (0.105 R)
• M9: 5,430,104 km (0.111 R)
• M10: 6,162,086 km (0.109 R)
• M11: 7,198,201 km (0.1 R)
• M12: 7,983,590 km (0.116 R)
• M13: 8,894,940 km (0.106 R)
• M14: 9,650,559 km (0.103 R)
• M15: 10,063,150 km (0.073 R)
• M16: 10,803,659 km (0.112 R)
• M17: 12,218,855 km (0.105 R)
• M18: 13,895,548 km (0.116 R)
• M19: 15,669,180 km (0.047 R)
• M20: 16,187,537 km (0.095 R)
• M21: 17,203,905 km (0.075 R)
• M22: 18,720,678 km (0.115 R)
• M23: 20,755,358 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.6

Radius: 14.4

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.57 AU - 3.01 AU

Year: 3161 Days

Day: 10.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,010,042 km

• M1: 179,069 km (0.101 R)
• M2: 644,468 km (0.082 R)
• M3: 1,180,327 km (0.109 R)
• M4: 1,732,792 km (0.083 R)
• M5: 2,328,940 km (0.11 R)
• M6: 3,061,072 km (0.102 R)
• M7: 4,151,341 km (0.091 R)
• M8: 4,869,261 km (0.113 R)
• M9: 5,774,777 km (0.087 R)
• M10: 7,092,136 km (0.03 R)
• M11: 8,358,931 km (0.113 R)
• M12: 12,293,504 km (0.051 R)
• M13: 14,117,102 km (0.079 R)
• M14: 15,119,408 km (0.098 R)
• M15: 17,890,409 km (0.11 R)
• M16: 18,885,086 km (0.107 R)
• M17: 21,958,574 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.4

Radius: 7.6

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.9 AU - 6.46 AU

Year: 9182 Days

Day: 21.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,010,042 km

• M1: 95,443 km (0.116 R)
• M2: 382,223 km (0.043 R)
• M3: 646,712 km (0.097 R)
• M4: 948,151 km (0.079 R)
• M5: 2,154,060 km (0.095 R)
• M6: 3,896,277 km (0.055 R)
• M7: 6,287,000 km (0.066 R)
• M8: 9,301,846 km (0.067 R)
• M9: 9,600,743 km (0.056 R)
• M10: 11,975,160 km (0.091 R)
• M11: 15,416,210 km (0.058 R)
• M12: 15,654,669 km (0.081 R)
• M13: 25,641,973 km (0.112 R)
• M14: 26,913,405 km (0.071 R)
• M15: 29,034,404 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 18,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit