🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.65 AU - 0.67 AU

Year: 203 Days

Day: 23 Hours

Environment

Temp: 113 °C

Axial Tilt: 27.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.18 AU - 4.9 AU

Year: 3076 Days

Day: 38.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,925,554 km

• M1: 80,184 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.5

Radius: 10.7

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.03 AU - 5.83 AU

Year: 4792 Days

Day: 11 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,925,554 km

• M1: 133,142 km (0.033 R)
• M2: 514,916 km (0.092 R)
• M3: 931,396 km (0.112 R)
• M4: 1,497,325 km (0.115 R)
• M5: 2,179,641 km (0.112 R)
• M6: 2,512,646 km (0.11 R)
• M7: 3,022,176 km (0.109 R)
• M8: 3,808,014 km (0.068 R)
• M9: 4,226,589 km (0.071 R)
• M10: 5,156,788 km (0.085 R)
• M11: 5,614,857 km (0.117 R)
• M12: 6,099,853 km (0.115 R)
• M13: 6,927,877 km (0.081 R)
• M14: 9,111,258 km (0.115 R)
• M15: 10,317,466 km (0.076 R)
• M16: 11,046,756 km (0.083 R)
• M17: 13,094,002 km (0.067 R)
• M18: 14,574,423 km (0.115 R)
• M19: 16,106,754 km (0.106 R)
• M20: 17,925,565 km (0.082 R)
• M21: 18,665,177 km (0.083 R)
• M22: 20,008,117 km (0.098 R)
• M23: 20,871,297 km (0.106 R)
• M24: 22,600,498 km (0.048 R)
• M25: 25,640,177 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.3

Radius: 14.9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.13 AU - 8.29 AU

Year: 6583 Days

Day: 14.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,925,554 km

• M1: 194,776 km (0.108 R)
• M2: 696,827 km (0.096 R)
• M3: 1,179,729 km (0.092 R)
• M4: 2,806,606 km (0.093 R)
• M5: 3,628,048 km (0.1 R)
• M6: 8,970,636 km (0.071 R)
• M7: 10,389,273 km (0.059 R)
• M8: 11,511,706 km (0.07 R)
• M9: 12,202,998 km (0.099 R)
• M10: 14,958,291 km (0.109 R)
• M11: 16,636,031 km (0.115 R)
• M12: 21,596,547 km (0.059 R)
• M13: 24,372,635 km (0.116 R)
• M14: 25,679,671 km (0.11 R)
• M15: 26,605,233 km (0.069 R)
• M16: 28,256,046 km (0.116 R)
• M17: 29,061,331 km (0.077 R)
• M18: 32,534,246 km (0.114 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 10,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit