🌌 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 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.2

Radius: 8.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.57 AU - 0.61 AU

Year: 302 Days

Day: 11.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,773,661 km

• M1: 100,679 km (0.076 R)
• M2: 363,373 km (0.103 R)
• M3: 750,981 km (0.093 R)
• M4: 1,031,777 km (0.069 R)
• M5: 1,293,423 km (0.067 R)
• M6: 1,827,039 km (0.099 R)
• M7: 2,259,077 km (0.045 R)
• M8: 2,971,762 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.5

Radius: 11

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.54 AU - 0.84 AU

Year: 382 Days

Day: 8.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,773,661 km

• M1: 140,323 km (0.071 R)
• M2: 486,193 km (0.054 R)
• M3: 976,126 km (0.05 R)
• M4: 1,442,871 km (0.097 R)
• M5: 2,154,209 km (0.104 R)
• M6: 3,105,801 km (0.072 R)
• M7: 4,110,052 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.9

Radius: 9.5

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.48 AU - 2.2 AU

Year: 1664 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,773,661 km

• M1: 118,182 km (0.105 R)
• M2: 457,919 km (0.104 R)
• M3: 801,545 km (0.107 R)
• M4: 1,224,459 km (0.069 R)
• M5: 1,782,907 km (0.111 R)
• M6: 2,175,303 km (0.119 R)
• M7: 2,529,999 km (0.118 R)
• M8: 4,033,607 km (0.089 R)
• M9: 4,433,782 km (0.074 R)
• M10: 4,987,144 km (0.063 R)
• M11: 5,539,908 km (0.112 R)
• M12: 6,035,376 km (0.106 R)
• M13: 7,169,478 km (0.102 R)
• M14: 7,530,308 km (0.06 R)
• M15: 7,932,427 km (0.091 R)
• M16: 8,593,201 km (0.12 R)
• M17: 9,322,939 km (0.079 R)
• M18: 12,107,255 km (0.112 R)
• M19: 12,942,609 km (0.061 R)
• M20: 13,312,116 km (0.101 R)
• M21: 13,858,298 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.9

Radius: 15

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.71 AU - 4.17 AU

Year: 5215 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,773,661 km

• M1: 186,549 km (0.055 R)
• M2: 940,821 km (0.055 R)
• M3: 1,611,169 km (0.117 R)
• M4: 2,674,511 km (0.066 R)
• M5: 3,610,694 km (0.119 R)
• M6: 4,931,045 km (0.037 R)
• M7: 5,730,646 km (0.108 R)
• M8: 7,830,252 km (0.089 R)
• M9: 9,384,274 km (0.071 R)
• M10: 10,571,932 km (0.083 R)
• M11: 13,495,224 km (0.088 R)
• M12: 14,632,317 km (0.119 R)
• M13: 15,720,791 km (0.103 R)
• M14: 16,572,003 km (0.078 R)
• M15: 18,490,895 km (0.11 R)
• M16: 20,553,850 km (0.096 R)
• M17: 22,766,402 km (0.036 R)
• M18: 24,302,174 km (0.09 R)
• M19: 25,750,132 km (0.1 R)
• M20: 26,773,681 km (0.066 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 16,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit