🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.56 AU - 0.62 AU

Year: 293 Days

Day: 14.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,328,482 km

• M1: 44,131 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 8.6

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.73 AU - 1.01 AU

Year: 524 Days

Day: 12.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,328,482 km

• M1: 107,561 km (0.11 R)
• M2: 389,104 km (0.098 R)
• M3: 673,340 km (0.104 R)
• M4: 960,269 km (0.094 R)
• M5: 1,525,749 km (0.069 R)
• M6: 1,867,580 km (0.089 R)
• M7: 2,393,716 km (0.096 R)
• M8: 2,969,967 km (0.056 R)
• M9: 3,261,084 km (0.109 R)
• M10: 3,793,503 km (0.112 R)
• M11: 4,066,818 km (0.111 R)
• M12: 4,777,109 km (0.12 R)
• M13: 5,129,262 km (0.045 R)
• M14: 6,385,585 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.2

Radius: 8.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.55 AU - 3.53 AU

Year: 3422 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,328,482 km

• M1: 110,702 km (0.077 R)
• M2: 779,704 km (0.112 R)
• M3: 1,064,688 km (0.078 R)
• M4: 1,340,098 km (0.049 R)
• M5: 1,663,678 km (0.083 R)
• M6: 2,338,813 km (0.066 R)
• M7: 2,681,542 km (0.088 R)
• M8: 3,121,210 km (0.107 R)
• M9: 3,608,301 km (0.07 R)
• M10: 4,203,700 km (0.073 R)
• M11: 4,798,501 km (0.096 R)
• M12: 5,172,496 km (0.108 R)
• M13: 5,542,302 km (0.067 R)
• M14: 6,894,966 km (0.079 R)
• M15: 7,487,523 km (0.092 R)
• M16: 7,931,230 km (0.077 R)
• M17: 8,936,678 km (0.113 R)
• M18: 10,637,456 km (0.08 R)
• M19: 12,380,271 km (0.107 R)
• M20: 14,350,475 km (0.118 R)
• M21: 14,850,880 km (0.116 R)
• M22: 15,268,856 km (0.074 R)
• M23: 16,373,038 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.1

Radius: 15

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.81 AU - 5.65 AU

Year: 7723 Days

Day: 12.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,328,482 km

• M1: 186,549 km (0.087 R)
• M2: 790,326 km (0.076 R)
• M3: 1,344,885 km (0.102 R)
• M4: 2,441,587 km (0.026 R)
• M5: 3,123,753 km (0.11 R)
• M6: 5,856,009 km (0.072 R)
• M7: 6,380,200 km (0.072 R)
• M8: 7,587,604 km (0.097 R)
• M9: 8,554,754 km (0.085 R)
• M10: 9,490,339 km (0.105 R)
• M11: 10,255,682 km (0.096 R)
• M12: 12,172,928 km (0.052 R)
• M13: 14,417,944 km (0.108 R)
• M14: 14,918,498 km (0.102 R)
• M15: 15,848,548 km (0.107 R)
• M16: 20,772,263 km (0.049 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: 402 - 14,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit