🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.7

Radius: 13.7

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.53 AU - 0.75 AU

Year: 341 Days

Day: 14.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,821,199 km

• M1: 170,392 km (0.113 R)
• M2: 597,494 km (0.09 R)
• M3: 1,063,342 km (0.039 R)
• M4: 1,509,742 km (0.03 R)
• M5: 1,996,234 km (0.114 R)
• M6: 2,724,028 km (0.096 R)
• M7: 3,352,787 km (0.113 R)
• M8: 4,569,018 km (0.111 R)
• M9: 5,509,690 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.1

Radius: 10.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.63 AU - 0.71 AU

Year: 366 Days

Day: 10.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,821,199 km

• M1: 133,142 km (0.056 R)
• M2: 501,901 km (0.069 R)
• M3: 940,821 km (0.072 R)
• M4: 1,324,540 km (0.088 R)
• M5: 1,948,961 km (0.056 R)
• M6: 2,478,538 km (0.059 R)
• M7: 2,997,792 km (0.053 R)
• M8: 3,339,324 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.7

Radius: 9.2

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.42 AU - 2.3 AU

Year: 1692 Days

Day: 10.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,821,199 km

• M1: 114,442 km (0.102 R)
• M2: 437,873 km (0.073 R)
• M3: 1,409,511 km (0.103 R)
• M4: 1,940,284 km (0.104 R)
• M5: 2,486,017 km (0.11 R)
• M6: 2,987,918 km (0.074 R)
• M7: 4,560,491 km (0.116 R)
• M8: 5,251,932 km (0.03 R)
• M9: 6,992,653 km (0.082 R)
• M10: 9,639,638 km (0.108 R)
• M11: 10,148,570 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.1

Radius: 5.5

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.29 AU - 9.83 AU

Year: 16701 Days

Day: 19.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,821,199 km

• M1: 72,854 km (0.092 R)
• M2: 499,208 km (0.117 R)
• M3: 1,177,186 km (0.111 R)
• M4: 1,632,861 km (0.078 R)
• M5: 2,683,337 km (0.115 R)
• M6: 2,866,594 km (0.086 R)
• M7: 6,433,307 km (0.073 R)
• M8: 7,416,763 km (0.095 R)
• M9: 8,069,608 km (0.111 R)
• M10: 8,366,859 km (0.118 R)
• M11: 10,506,109 km (0.109 R)
• M12: 12,359,626 km (0.096 R)
• M13: 12,926,902 km (0.11 R)
• M14: 13,216,822 km (0.086 R)
• M15: 16,360,622 km (0.096 R)
• M16: 16,563,626 km (0.074 R)
• M17: 18,467,857 km (0.115 R)
• M18: 21,147,155 km (0.06 R)
• M19: 24,425,592 km (0.104 R)
• M20: 26,139,086 km (0.07 R)
• M21: 31,235,138 km (0.101 R)
• M22: 34,902,530 km (0.102 R)
• M23: 36,147,782 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 11,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit