🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 13

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.65 AU - 0.67 AU

Year: 377 Days

Day: 9.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,722,711 km

• M1: 168,896 km (0.079 R)
• M2: 657,034 km (0.118 R)
• M3: 1,107,473 km (0.097 R)
• M4: 1,539,362 km (0.112 R)
• M5: 1,958,386 km (0.097 R)
• M6: 2,914,017 km (0.076 R)
• M7: 3,492,811 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.8

Radius: 14.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.55 AU - 0.79 AU

Year: 385 Days

Day: 8.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,722,711 km

• M1: 186,249 km (0.1 R)
• M2: 918,681 km (0.106 R)
• M3: 1,441,824 km (0.061 R)
• M4: 2,013,587 km (0.112 R)
• M5: 2,788,355 km (0.064 R)
• M6: 3,713,468 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112

Radius: 11.3

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.56 AU - 1.8 AU

Year: 1531 Days

Day: 10.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,722,711 km

• M1: 140,622 km (0.096 R)
• M2: 495,468 km (0.058 R)
• M3: 890,107 km (0.088 R)
• M4: 1,280,109 km (0.077 R)
• M5: 1,690,755 km (0.076 R)
• M6: 2,087,937 km (0.064 R)
• M7: 2,454,602 km (0.115 R)
• M8: 3,852,295 km (0.102 R)
• M9: 4,409,696 km (0.106 R)
• M10: 5,020,205 km (0.052 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.5

Radius: 7.7

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.19 AU - 7.71 AU

Year: 12879 Days

Day: 21.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,722,711 km

• M1: 350,209 km (0.118 R)
• M2: 760,406 km (0.08 R)
• M3: 1,555,967 km (0.116 R)
• M4: 1,819,559 km (0.077 R)
• M5: 2,300,217 km (0.073 R)
• M6: 3,237,448 km (0.073 R)
• M7: 3,724,688 km (0.112 R)
• M8: 4,142,963 km (0.054 R)
• M9: 5,007,490 km (0.09 R)
• M10: 5,913,305 km (0.077 R)
• M11: 6,444,227 km (0.118 R)
• M12: 12,192,675 km (0.12 R)
• M13: 12,678,868 km (0.099 R)
• M14: 16,305,869 km (0.105 R)
• M15: 17,424,262 km (0.098 R)
• M16: 17,808,131 km (0.111 R)
• M17: 20,826,866 km (0.074 R)
• M18: 24,744,385 km (0.101 R)
• M19: 44,891,329 km (0.096 R)
• M20: 46,195,972 km (0.092 R)
• M21: 48,880,655 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 12,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit