🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.59 AU - 0.83 AU

Year: 269 Days

Day: 22.2 Hours

Environment

Temp: -39 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,299,828 km

• M1: 45,328 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.79 AU - 1.01 AU

Year: 384 Days

Day: 29.2 Hours

Environment

Temp: -64 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.7

Radius: 11

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.9 AU - 7.5 AU

Year: 7797 Days

Day: 10.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,299,828 km

• M1: 153,936 km (0.111 R)
• M2: 856,149 km (0.049 R)
• M3: 1,223,561 km (0.097 R)
• M4: 1,584,541 km (0.118 R)
• M5: 4,551,964 km (0.117 R)
• M6: 6,175,400 km (0.094 R)
• M7: 6,771,099 km (0.086 R)
• M8: 7,296,487 km (0.048 R)
• M9: 8,271,565 km (0.035 R)
• M10: 8,913,490 km (0.057 R)
• M11: 10,525,407 km (0.075 R)
• M12: 11,087,596 km (0.119 R)
• M13: 17,929,604 km (0.094 R)
• M14: 19,005,063 km (0.045 R)
• M15: 19,839,370 km (0.084 R)
• M16: 26,721,022 km (0.096 R)
• M17: 27,067,042 km (0.09 R)
• M18: 29,114,887 km (0.119 R)
• M19: 30,317,056 km (0.048 R)
• M20: 31,359,753 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.5

Radius: 8.8

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.42 AU - 8.54 AU

Year: 9198 Days

Day: 12.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,299,828 km

• M1: 109,506 km (0.077 R)
• M2: 386,411 km (0.097 R)
• M3: 2,417,053 km (0.108 R)
• M4: 3,067,205 km (0.058 R)
• M5: 3,932,778 km (0.118 R)
• M6: 5,296,961 km (0.096 R)
• M7: 5,590,472 km (0.072 R)
• M8: 7,264,921 km (0.094 R)
• M9: 8,926,655 km (0.1 R)
• M10: 9,343,434 km (0.12 R)
• M11: 10,017,672 km (0.105 R)
• M12: 12,808,420 km (0.104 R)
• M13: 13,459,021 km (0.08 R)
• M14: 14,507,702 km (0.116 R)
• M15: 15,411,273 km (0.078 R)
• M16: 16,489,425 km (0.095 R)
• M17: 20,182,847 km (0.097 R)
• M18: 21,886,318 km (0.037 R)
• M19: 26,513,081 km (0.094 R)
• M20: 28,354,631 km (0.096 R)
• M21: 29,560,689 km (0.11 R)
• M22: 31,327,290 km (0.116 R)
• M23: 33,053,201 km (0.115 R)
• M24: 39,469,603 km (0.085 R)
• M25: 41,226,032 km (0.093 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: 323 - 13,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit