🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.52 AU - 0.74 AU

Year: 318 Days

Day: 13.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.6

Radius: 10.9

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.89 AU - 1.31 AU

Year: 734 Days

Day: 12.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,286,255 km

• M1: 135,536 km (0.102 R)
• M2: 703,559 km (0.116 R)
• M3: 1,050,626 km (0.11 R)
• M4: 1,462,020 km (0.072 R)
• M5: 1,929,962 km (0.105 R)
• M6: 2,293,635 km (0.105 R)
• M7: 2,666,582 km (0.1 R)
• M8: 3,029,806 km (0.09 R)
• M9: 3,415,469 km (0.108 R)
• M10: 4,389,052 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 11.2

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.84 AU - 2.24 AU

Year: 1853 Days

Day: 5.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,286,255 km

• M1: 139,276 km (0.071 R)
• M2: 803,640 km (0.072 R)
• M3: 1,820,905 km (0.084 R)
• M4: 2,495,741 km (0.117 R)
• M5: 2,930,323 km (0.039 R)
• M6: 3,398,116 km (0.072 R)
• M7: 3,749,521 km (0.106 R)
• M8: 4,800,745 km (0.06 R)
• M9: 5,337,353 km (0.075 R)
• M10: 5,692,648 km (0.087 R)
• M11: 6,993,551 km (0.078 R)
• M12: 7,391,032 km (0.096 R)
• M13: 8,107,756 km (0.093 R)
• M14: 8,611,003 km (0.094 R)
• M15: 9,034,963 km (0.07 R)
• M16: 10,872,624 km (0.088 R)
• M17: 11,641,856 km (0.096 R)
• M18: 12,487,981 km (0.095 R)
• M19: 12,989,733 km (0.048 R)
• M20: 13,374,798 km (0.108 R)
• M21: 14,898,751 km (0.089 R)
• M22: 15,273,643 km (0.065 R)
• M23: 16,386,502 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.4

Radius: 13.9

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.36 AU - 6.26 AU

Year: 8904 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,286,255 km

• M1: 172,935 km (0.111 R)
• M2: 738,116 km (0.026 R)
• M3: 1,204,861 km (0.058 R)
• M4: 1,659,340 km (0.085 R)
• M5: 2,213,899 km (0.08 R)
• M6: 2,912,222 km (0.028 R)
• M7: 3,982,146 km (0.116 R)
• M8: 4,694,680 km (0.098 R)
• M9: 5,753,534 km (0.113 R)
• M10: 9,653,850 km (0.102 R)
• M11: 12,065,218 km (0.055 R)
• M12: 12,855,244 km (0.107 R)
• M13: 14,918,049 km (0.067 R)
• M14: 23,099,407 km (0.088 R)
• M15: 23,877,915 km (0.101 R)
• M16: 24,406,743 km (0.064 R)
• M17: 24,943,201 km (0.09 R)
• M18: 30,234,926 km (0.117 R)
• M19: 32,331,541 km (0.116 R)
• M20: 32,870,542 km (0.089 R)
• M21: 36,812,745 km (0.093 R)
• M22: 38,836,804 km (0.092 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: 309 - 12,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit