🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.33 AU - 2.79 AU

Year: 1433 Days

Day: 28.2 Hours

Environment

Temp: -71 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.6

Radius: 11.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.35 AU - 7.05 AU

Year: 4761 Days

Day: 10.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,046,455 km

• M1: 144,362 km (0.111 R)
• M2: 563,685 km (0.115 R)
• M3: 1,330,972 km (0.105 R)
• M4: 1,779,018 km (0.109 R)
• M5: 3,245,975 km (0.12 R)
• M6: 5,108,618 km (0.101 R)
• M7: 5,960,278 km (0.082 R)
• M8: 8,375,087 km (0.098 R)
• M9: 13,422,370 km (0.093 R)
• M10: 14,931,064 km (0.11 R)
• M11: 16,092,093 km (0.094 R)
• M12: 18,159,536 km (0.03 R)
• M13: 19,871,235 km (0.046 R)
• M14: 21,206,695 km (0.071 R)
• M15: 23,320,812 km (0.03 R)
• M16: 23,907,535 km (0.06 R)
• M17: 25,034,156 km (0.119 R)
• M18: 26,195,934 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.1

Radius: 13.8

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.31 AU - 8.63 AU

Year: 6438 Days

Day: 10.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,046,455 km

• M1: 173,234 km (0.054 R)
• M2: 620,682 km (0.084 R)
• M3: 1,131,259 km (0.103 R)
• M4: 2,136,856 km (0.113 R)
• M5: 2,928,528 km (0.111 R)
• M6: 4,607,465 km (0.095 R)
• M7: 7,356,176 km (0.112 R)
• M8: 8,057,641 km (0.099 R)
• M9: 9,696,635 km (0.06 R)
• M10: 11,357,022 km (0.088 R)
• M11: 12,497,107 km (0.101 R)
• M12: 15,846,304 km (0.069 R)
• M13: 16,278,941 km (0.07 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.1

Radius: 5.4

Gravity: 26.41 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 15.81 AU - 17.97 AU

Year: 24284 Days

Day: 22.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,046,455 km

• M1: 67,319 km (0.108 R)
• M2: 358,885 km (0.116 R)
• M3: 627,713 km (0.115 R)
• M4: 961,466 km (0.077 R)
• M5: 1,958,984 km (0.113 R)
• M6: 2,377,110 km (0.09 R)
• M7: 4,588,017 km (0.053 R)
• M8: 6,498,232 km (0.09 R)
• M9: 15,784,520 km (0.092 R)
• M10: 24,324,315 km (0.116 R)
• M11: 29,242,345 km (0.054 R)
• M12: 29,626,213 km (0.091 R)
• M13: 32,681,749 km (0.108 R)
• M14: 32,956,860 km (0.099 R)
• M15: 34,640,883 km (0.043 R)
• M16: 38,637,839 km (0.07 R)
• M17: 39,721,975 km (0.048 R)
• M18: 41,466,585 km (0.088 R)
• M19: 45,107,797 km (0.06 R)
• M20: 45,449,030 km (0.116 R)
• M21: 47,356,552 km (0.047 R)

Kuiper Belt

Range: 31.4 - 50.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 19,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit