🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.4

Radius: 10.2

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.56 AU - 0.82 AU

Year: 403 Days

Day: 14.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,562,512 km

• M1: 126,859 km (0.088 R)
• M2: 474,674 km (0.071 R)
• M3: 831,615 km (0.105 R)
• M4: 1,203,964 km (0.116 R)
• M5: 1,525,749 km (0.117 R)
• M6: 1,927,419 km (0.105 R)
• M7: 2,399,400 km (0.096 R)
• M8: 3,467,978 km (0.113 R)
• M9: 4,219,408 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.4

Radius: 14.7

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.09 AU - 1.09 AU

Year: 800 Days

Day: 9.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,562,512 km

• M1: 183,407 km (0.088 R)
• M2: 676,781 km (0.101 R)
• M3: 1,311,824 km (0.078 R)
• M4: 2,080,308 km (0.113 R)
• M5: 2,546,305 km (0.094 R)
• M6: 3,040,726 km (0.025 R)
• M7: 4,005,782 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.5

Radius: 8.8

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.12 AU - 5.38 AU

Year: 8456 Days

Day: 10.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,562,512 km

• M1: 109,954 km (0.106 R)
• M2: 979,417 km (0.114 R)
• M3: 1,745,059 km (0.098 R)
• M4: 2,781,174 km (0.108 R)
• M5: 3,942,801 km (0.106 R)
• M6: 4,347,464 km (0.095 R)
• M7: 4,809,422 km (0.081 R)
• M8: 7,384,600 km (0.083 R)
• M9: 7,668,088 km (0.109 R)
• M10: 7,958,756 km (0.1 R)
• M11: 9,667,463 km (0.064 R)
• M12: 11,073,982 km (0.044 R)
• M13: 11,771,408 km (0.116 R)
• M14: 12,727,039 km (0.108 R)
• M15: 14,920,443 km (0.091 R)
• M16: 16,931,487 km (0.085 R)
• M17: 18,148,017 km (0.078 R)
• M18: 25,573,756 km (0.098 R)
• M19: 34,237,118 km (0.094 R)
• M20: 34,687,109 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294

Radius: 7.6

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.76 AU - 6.14 AU

Year: 8943 Days

Day: 15.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,562,512 km

• M1: 94,546 km (0.04 R)
• M2: 335,099 km (0.111 R)
• M3: 768,035 km (0.058 R)
• M4: 1,062,893 km (0.075 R)
• M5: 1,341,594 km (0.054 R)
• M6: 1,776,026 km (0.051 R)
• M7: 2,367,536 km (0.071 R)
• M8: 3,063,615 km (0.099 R)
• M9: 8,187,192 km (0.05 R)
• M10: 9,456,381 km (0.098 R)
• M11: 10,387,478 km (0.097 R)
• M12: 13,114,198 km (0.119 R)
• M13: 17,165,907 km (0.104 R)
• M14: 19,719,393 km (0.063 R)
• M15: 24,983,892 km (0.083 R)
• M16: 28,070,245 km (0.026 R)
• M17: 33,062,925 km (0.074 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 17,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit