🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.5 AU - 0.72 AU

Year: 308 Days

Day: 28 Hours

Environment

Temp: -125 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,638,107 km

• M1: 481,406 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.6

Radius: 11.8

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.67 AU - 0.87 AU

Year: 436 Days

Day: 6.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,638,107 km

• M1: 146,756 km (0.099 R)
• M2: 522,396 km (0.117 R)
• M3: 949,647 km (0.118 R)
• M4: 1,480,121 km (0.12 R)
• M5: 2,487,663 km (0.091 R)
• M6: 3,076,181 km (0.075 R)
• M7: 3,503,133 km (0.063 R)
• M8: 4,191,732 km (0.041 R)
• M9: 4,589,962 km (0.069 R)
• M10: 5,431,450 km (0.113 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.8

Radius: 5.7

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.38 AU - 10.14 AU

Year: 19687 Days

Day: 20.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,638,107 km

• M1: 70,909 km (0.103 R)
• M2: 259,253 km (0.059 R)
• M3: 662,120 km (0.038 R)
• M4: 1,432,998 km (0.099 R)
• M5: 2,475,396 km (0.115 R)
• M6: 3,650,637 km (0.108 R)
• M7: 4,615,693 km (0.075 R)
• M8: 5,045,637 km (0.056 R)
• M9: 6,237,483 km (0.073 R)
• M10: 9,039,302 km (0.062 R)
• M11: 9,625,875 km (0.118 R)
• M12: 13,906,917 km (0.092 R)
• M13: 16,033,601 km (0.056 R)
• M14: 18,632,864 km (0.078 R)
• M15: 19,512,349 km (0.058 R)
• M16: 19,997,196 km (0.081 R)
• M17: 22,316,412 km (0.049 R)
• M18: 28,619,569 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.3

Radius: 6.4

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.6 AU - 10.98 AU

Year: 19778 Days

Day: 24.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,638,107 km

• M1: 106,214 km (0.113 R)
• M2: 333,454 km (0.102 R)
• M3: 535,860 km (0.058 R)
• M4: 772,673 km (0.09 R)
• M5: 2,092,874 km (0.079 R)
• M6: 2,399,849 km (0.085 R)
• M7: 3,678,911 km (0.096 R)
• M8: 8,432,533 km (0.029 R)
• M9: 10,962,382 km (0.117 R)
• M10: 11,283,569 km (0.101 R)
• M11: 11,610,889 km (0.099 R)
• M12: 13,465,005 km (0.107 R)
• M13: 16,743,442 km (0.076 R)
• M14: 24,096,776 km (0.03 R)
• M15: 28,773,355 km (0.058 R)
• M16: 34,020,800 km (0.07 R)
• M17: 39,495,633 km (0.042 R)
• M18: 40,377,064 km (0.066 R)
• M19: 41,271,659 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 14,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit