🌌 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: 480.5

Radius: 11.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.56 AU - 0.82 AU

Year: 382 Days

Day: 9 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,422,041 km

• M1: 144,212 km (0.048 R)
• M2: 597,643 km (0.107 R)
• M3: 994,377 km (0.12 R)
• M4: 1,378,993 km (0.099 R)
• M5: 1,801,009 km (0.117 R)
• M6: 2,473,302 km (0.118 R)
• M7: 2,942,889 km (0.098 R)
• M8: 3,449,278 km (0.109 R)
• M9: 4,038,245 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.7

Radius: 12.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.64 AU - 0.8 AU

Year: 407 Days

Day: 12.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,422,041 km

• M1: 155,432 km (0.066 R)
• M2: 633,397 km (0.108 R)
• M3: 1,194,090 km (0.095 R)
• M4: 1,624,932 km (0.087 R)
• M5: 2,103,196 km (0.097 R)
• M6: 2,884,995 km (0.108 R)
• M7: 4,830,814 km (0.091 R)
• M8: 5,222,761 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.1

Radius: 8.2

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.88 AU - 1.2 AU

Year: 707 Days

Day: 8.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,422,041 km

• M1: 102,175 km (0.095 R)
• M2: 383,419 km (0.044 R)
• M3: 673,190 km (0.118 R)
• M4: 941,120 km (0.062 R)
• M5: 1,354,609 km (0.029 R)
• M6: 1,745,358 km (0.066 R)
• M7: 2,147,627 km (0.104 R)
• M8: 2,510,103 km (0.066 R)
• M9: 2,804,062 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.1

Radius: 11.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.17 AU - 6.11 AU

Year: 8932 Days

Day: 10.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,422,041 km

• M1: 150,495 km (0.117 R)
• M2: 800,648 km (0.113 R)
• M3: 1,487,751 km (0.082 R)
• M4: 2,221,678 km (0.098 R)
• M5: 2,829,345 km (0.101 R)
• M6: 4,113,193 km (0.073 R)
• M7: 5,093,508 km (0.111 R)
• M8: 7,052,492 km (0.111 R)
• M9: 7,631,885 km (0.081 R)
• M10: 8,711,383 km (0.106 R)
• M11: 10,032,482 km (0.039 R)
• M12: 15,617,719 km (0.12 R)
• M13: 16,469,678 km (0.084 R)
• M14: 18,626,281 km (0.026 R)
• M15: 20,037,588 km (0.06 R)
• M16: 23,918,904 km (0.06 R)
• M17: 25,228,035 km (0.087 R)
• M18: 27,703,730 km (0.105 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: 290 - 16,968 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit