🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.52 AU - 0.7 AU

Year: 308 Days

Day: 31.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,428,731 km

• M1: 26,479 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.2

Radius: 13.8

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.75 AU - 1.11 AU

Year: 579 Days

Day: 13.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,428,731 km

• M1: 171,888 km (0.084 R)
• M2: 608,564 km (0.027 R)
• M3: 1,037,760 km (0.043 R)
• M4: 1,721,423 km (0.069 R)
• M5: 3,130,186 km (0.097 R)
• M6: 4,845,774 km (0.073 R)
• M7: 5,908,817 km (0.078 R)
• M8: 6,437,496 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.3

Radius: 10.7

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.41 AU - 2.85 AU

Year: 2754 Days

Day: 14.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,428,731 km

• M1: 154,086 km (0.079 R)
• M2: 528,679 km (0.08 R)
• M3: 901,327 km (0.098 R)
• M4: 1,489,097 km (0.111 R)
• M5: 2,204,923 km (0.118 R)
• M6: 2,661,197 km (0.113 R)
• M7: 3,122,257 km (0.099 R)
• M8: 3,572,996 km (0.062 R)
• M9: 4,815,107 km (0.114 R)
• M10: 5,915,549 km (0.046 R)
• M11: 7,025,116 km (0.092 R)
• M12: 11,015,190 km (0.095 R)
• M13: 11,601,614 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.5

Radius: 4.4

Gravity: 43.05 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.4 AU - 8.76 AU

Year: 13475 Days

Day: 16.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,428,731 km

• M1: 55,501 km (0.09 R)
• M2: 300,692 km (0.117 R)
• M3: 462,557 km (0.095 R)
• M4: 640,728 km (0.089 R)
• M5: 906,264 km (0.083 R)
• M6: 2,255,786 km (0.077 R)
• M7: 2,593,877 km (0.074 R)
• M8: 2,821,715 km (0.118 R)
• M9: 2,989,115 km (0.119 R)
• M10: 3,840,776 km (0.073 R)
• M11: 4,291,065 km (0.117 R)
• M12: 5,188,952 km (0.112 R)
• M13: 5,404,223 km (0.116 R)
• M14: 5,700,726 km (0.081 R)
• M15: 6,571,984 km (0.037 R)
• M16: 6,781,720 km (0.098 R)
• M17: 7,303,518 km (0.099 R)
• M18: 8,328,712 km (0.11 R)
• M19: 14,142,983 km (0.118 R)
• M20: 14,705,471 km (0.062 R)
• M21: 20,723,793 km (0.042 R)
• M22: 22,473,490 km (0.101 R)
• M23: 22,949,809 km (0.114 R)
• M24: 25,638,831 km (0.09 R)
• M25: 32,957,907 km (0.072 R)
• M26: 39,866,636 km (0.059 R)
• M27: 44,622,053 km (0.102 R)
• M28: 47,837,061 km (0.112 R)
• M29: 53,871,091 km (0.112 R)
• M30: 58,223,192 km (0.105 R)
• M31: 58,760,697 km (0.098 R)
• M32: 61,312,687 km (0.028 R)
• M33: 62,428,687 km (0.118 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: 430 - 17,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit