🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.87 AU - 5.13 AU

Year: 3985 Days

Day: 47.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.3

Radius: 9.6

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.04 AU - 6.56 AU

Year: 4979 Days

Day: 10.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,721,964 km

• M1: 122,371 km (0.083 R)
• M2: 896,390 km (0.11 R)
• M3: 1,280,558 km (0.114 R)
• M4: 2,269,998 km (0.112 R)
• M5: 2,572,934 km (0.111 R)
• M6: 3,144,248 km (0.105 R)
• M7: 5,256,420 km (0.066 R)
• M8: 6,256,183 km (0.081 R)
• M9: 8,794,410 km (0.109 R)
• M10: 9,478,970 km (0.118 R)
• M11: 10,496,535 km (0.12 R)
• M12: 11,625,550 km (0.118 R)
• M13: 12,876,637 km (0.074 R)
• M14: 14,823,354 km (0.104 R)
• M15: 18,072,769 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.7

Radius: 13.8

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.41 AU - 6.45 AU

Year: 5147 Days

Day: 14.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 152.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,721,964 km

• M1: 171,738 km (0.093 R)
• M2: 927,058 km (0.117 R)
• M3: 1,713,644 km (0.116 R)
• M4: 2,641,001 km (0.061 R)
• M5: 3,148,437 km (0.084 R)
• M6: 3,857,531 km (0.117 R)
• M7: 4,618,834 km (0.086 R)
• M8: 6,311,534 km (0.075 R)
• M9: 6,912,918 km (0.06 R)
• M10: 7,406,890 km (0.081 R)
• M11: 9,537,612 km (0.101 R)
• M12: 10,651,518 km (0.062 R)
• M13: 11,554,790 km (0.114 R)
• M14: 12,050,258 km (0.106 R)
• M15: 12,611,848 km (0.116 R)
• M16: 14,176,343 km (0.04 R)
• M17: 15,506,567 km (0.079 R)
• M18: 19,160,196 km (0.098 R)
• M19: 20,495,955 km (0.098 R)
• M20: 23,588,742 km (0.093 R)
• M21: 24,066,109 km (0.119 R)
• M22: 28,031,649 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.6

Radius: 4.4

Gravity: 20.95 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 10.95 AU - 15.99 AU

Year: 17622 Days

Day: 24.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,721,964 km

• M1: 55,202 km (0.053 R)
• M2: 363,822 km (0.065 R)
• M3: 503,247 km (0.065 R)
• M4: 723,007 km (0.106 R)
• M5: 1,412,802 km (0.063 R)
• M6: 1,871,021 km (0.077 R)
• M7: 2,068,639 km (0.117 R)
• M8: 2,484,821 km (0.046 R)
• M9: 2,679,447 km (0.084 R)
• M10: 3,725,585 km (0.07 R)
• M11: 5,120,735 km (0.045 R)
• M12: 7,882,910 km (0.11 R)
• M13: 8,114,936 km (0.117 R)
• M14: 10,302,506 km (0.107 R)
• M15: 10,524,061 km (0.11 R)
• M16: 12,350,501 km (0.105 R)
• M17: 12,854,047 km (0.11 R)
• M18: 13,436,731 km (0.074 R)
• M19: 14,794,182 km (0.119 R)
• M20: 20,091,443 km (0.082 R)
• M21: 22,135,099 km (0.094 R)
• M22: 25,203,052 km (0.108 R)
• M23: 44,850,190 km (0.087 R)
• M24: 45,738,203 km (0.112 R)
• M25: 49,250,761 km (0.075 R)
• M26: 54,431,036 km (0.066 R)
• M27: 57,325,156 km (0.106 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 18,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit