🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.52 AU - 0.54 AU

Year: 146 Days

Day: 14.2 Hours

Environment

Temp: 151 °C

Axial Tilt: 45.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.61 AU - 0.93 AU

Year: 256 Days

Day: 33.4 Hours

Environment

Temp: 152 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.22 AU - 1.7 AU

Year: 668 Days

Day: 22.4 Hours

Environment

Temp: -50 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,213,862 km

• M1: 133,441 km (0.03 R)
• M2: 182,809 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841

Radius: 13

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.98 AU - 4.52 AU

Year: 3318 Days

Day: 8.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,213,862 km

• M1: 161,865 km (0.105 R)
• M2: 586,274 km (0.098 R)
• M3: 1,191,697 km (0.086 R)
• M4: 2,091,229 km (0.113 R)
• M5: 2,984,478 km (0.093 R)
• M6: 3,441,948 km (0.111 R)
• M7: 3,967,485 km (0.114 R)
• M8: 4,954,831 km (0.105 R)
• M9: 5,361,887 km (0.102 R)
• M10: 8,295,501 km (0.119 R)
• M11: 8,871,902 km (0.118 R)
• M12: 9,708,154 km (0.12 R)
• M13: 13,246,293 km (0.095 R)
• M14: 15,064,954 km (0.076 R)
• M15: 16,759,898 km (0.09 R)
• M16: 19,068,642 km (0.105 R)
• M17: 20,331,547 km (0.077 R)
• M18: 20,786,475 km (0.069 R)
• M19: 23,660,399 km (0.116 R)
• M20: 24,091,540 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.6

Radius: 8

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.67 AU - 9.51 AU

Year: 10380 Days

Day: 9.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,213,862 km

• M1: 100,530 km (0.064 R)
• M2: 349,610 km (0.082 R)
• M3: 599,738 km (0.113 R)
• M4: 987,496 km (0.098 R)
• M5: 1,379,442 km (0.119 R)
• M6: 1,648,120 km (0.026 R)
• M7: 2,516,835 km (0.11 R)
• M8: 2,775,639 km (0.075 R)
• M9: 3,254,502 km (0.079 R)
• M10: 4,101,824 km (0.043 R)
• M11: 4,519,501 km (0.104 R)
• M12: 6,225,815 km (0.081 R)
• M13: 8,856,344 km (0.084 R)
• M14: 11,273,097 km (0.113 R)
• M15: 11,925,942 km (0.05 R)
• M16: 12,489,029 km (0.076 R)
• M17: 13,306,880 km (0.104 R)
• M18: 14,160,037 km (0.095 R)
• M19: 15,573,737 km (0.111 R)
• M20: 21,426,305 km (0.072 R)
• M21: 22,174,144 km (0.037 R)
• M22: 26,458,777 km (0.106 R)
• M23: 27,222,773 km (0.105 R)
• M24: 31,370,673 km (0.083 R)
• M25: 31,903,691 km (0.101 R)
• M26: 32,551,300 km (0.105 R)
• M27: 36,387,588 km (0.069 R)
• M28: 38,292,866 km (0.079 R)
• M29: 44,273,041 km (0.052 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 20,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit