🌌 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: 419.6

Radius: 14.5

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.55 AU - 0.73 AU

Year: 341 Days

Day: 10.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,363,325 km

• M1: 180,265 km (0.048 R)
• M2: 645,664 km (0.092 R)
• M3: 1,593,965 km (0.06 R)
• M4: 2,509,953 km (0.114 R)
• M5: 3,262,730 km (0.062 R)
• M6: 3,937,566 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.9

Radius: 14.6

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.75 AU - 1.05 AU

Year: 569 Days

Day: 5.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,363,325 km

• M1: 181,612 km (0.036 R)
• M2: 655,089 km (0.095 R)
• M3: 1,672,355 km (0.074 R)
• M4: 2,602,105 km (0.114 R)
• M5: 3,117,620 km (0.07 R)
• M6: 4,013,112 km (0.066 R)
• M7: 4,888,260 km (0.058 R)
• M8: 5,533,924 km (0.083 R)
• M9: 6,021,314 km (0.116 R)
• M10: 6,517,082 km (0.032 R)
• M11: 7,301,124 km (0.089 R)
• M12: 7,866,006 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.7

Radius: 14.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.4 AU - 2 AU

Year: 1478 Days

Day: 9.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,363,325 km

• M1: 182,809 km (0.07 R)
• M2: 680,371 km (0.05 R)
• M3: 1,354,310 km (0.118 R)
• M4: 2,037,523 km (0.082 R)
• M5: 2,563,509 km (0.115 R)
• M6: 4,073,251 km (0.119 R)
• M7: 5,148,560 km (0.105 R)
• M8: 6,529,349 km (0.085 R)
• M9: 7,146,440 km (0.064 R)
• M10: 8,029,815 km (0.09 R)
• M11: 8,557,896 km (0.084 R)
• M12: 9,782,504 km (0.074 R)
• M13: 10,420,090 km (0.106 R)
• M14: 12,813,656 km (0.117 R)
• M15: 13,536,812 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.1

Radius: 5.8

Gravity: 14.87 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 9.77 AU - 12.03 AU

Year: 23998 Days

Day: 21.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,363,325 km

• M1: 76,744 km (0.12 R)
• M2: 553,662 km (0.112 R)
• M3: 2,799,575 km (0.098 R)
• M4: 4,763,645 km (0.114 R)
• M5: 8,251,370 km (0.082 R)
• M6: 11,192,613 km (0.086 R)
• M7: 11,907,691 km (0.066 R)
• M8: 16,435,420 km (0.094 R)
• M9: 17,963,114 km (0.082 R)
• M10: 20,715,864 km (0.12 R)
• M11: 25,684,458 km (0.086 R)
• M12: 26,356,452 km (0.096 R)
• M13: 30,387,516 km (0.038 R)
• M14: 37,603,818 km (0.092 R)
• M15: 41,605,861 km (0.069 R)
• M16: 43,630,369 km (0.069 R)
• M17: 46,540,496 km (0.09 R)
• M18: 47,538,613 km (0.082 R)
• M19: 52,207,114 km (0.104 R)
• M20: 77,363,342 km (0.089 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 14,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit