🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258

Radius: 13.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.66 AU - 0.68 AU

Year: 366 Days

Day: 12.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,934,037 km

• M1: 183,706 km (0.098 R)
• M2: 613,351 km (0.087 R)
• M3: 1,091,017 km (0.094 R)
• M4: 2,187,270 km (0.052 R)
• M5: 2,889,333 km (0.084 R)
• M6: 3,526,770 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.6

Radius: 14.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.63 AU - 0.71 AU

Year: 366 Days

Day: 6.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,934,037 km

• M1: 180,415 km (0.047 R)
• M2: 646,861 km (0.048 R)
• M3: 1,250,339 km (0.05 R)
• M4: 1,733,839 km (0.042 R)
• M5: 2,359,757 km (0.101 R)
• M6: 2,939,000 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.8

Radius: 13.1

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.91 AU - 1.15 AU

Year: 697 Days

Day: 6.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,934,037 km

• M1: 164,408 km (0.113 R)
• M2: 714,479 km (0.107 R)
• M3: 1,269,338 km (0.026 R)
• M4: 1,684,023 km (0.047 R)
• M5: 2,154,359 km (0.113 R)
• M6: 2,585,350 km (0.116 R)
• M7: 3,267,367 km (0.049 R)
• M8: 3,910,937 km (0.055 R)
• M9: 4,780,849 km (0.115 R)
• M10: 5,595,110 km (0.107 R)
• M11: 6,619,556 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.1

Radius: 6.4

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.53 AU - 10.09 AU

Year: 17438 Days

Day: 15.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,934,037 km

• M1: 79,586 km (0.03 R)
• M2: 279,898 km (0.102 R)
• M3: 492,626 km (0.109 R)
• M4: 782,397 km (0.11 R)
• M5: 1,208,003 km (0.104 R)
• M6: 1,713,793 km (0.111 R)
• M7: 2,312,633 km (0.069 R)
• M8: 2,681,841 km (0.049 R)
• M9: 3,860,223 km (0.102 R)
• M10: 4,594,749 km (0.07 R)
• M11: 5,111,610 km (0.071 R)
• M12: 5,488,895 km (0.071 R)
• M13: 6,813,734 km (0.087 R)
• M14: 8,246,134 km (0.108 R)
• M15: 8,669,346 km (0.113 R)
• M16: 10,672,013 km (0.08 R)
• M17: 11,345,503 km (0.111 R)
• M18: 12,287,221 km (0.116 R)
• M19: 14,459,382 km (0.093 R)
• M20: 16,725,940 km (0.115 R)
• M21: 20,299,085 km (0.106 R)
• M22: 21,860,438 km (0.104 R)
• M23: 28,165,090 km (0.061 R)
• M24: 30,546,389 km (0.059 R)
• M25: 32,941,601 km (0.063 R)
• M26: 33,411,637 km (0.115 R)
• M27: 35,091,921 km (0.117 R)
• M28: 38,490,186 km (0.1 R)
• M29: 41,280,186 km (0.106 R)
• M30: 48,915,213 km (0.111 R)
• M31: 50,765,738 km (0.072 R)
• M32: 51,708,205 km (0.081 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 18,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit