🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.8

Radius: 14.3

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.11 AU - 1.13 AU

Year: 833 Days

Day: 10.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,045,481 km

• M1: 177,872 km (0.068 R)
• M2: 667,207 km (0.092 R)
• M3: 1,122,433 km (0.057 R)
• M4: 1,790,088 km (0.065 R)
• M5: 2,537,030 km (0.097 R)
• M6: 3,238,644 km (0.038 R)
• M7: 4,183,654 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.2

Radius: 14.7

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.24 AU - 4.78 AU

Year: 5644 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,045,481 km

• M1: 182,809 km (0.104 R)
• M2: 991,684 km (0.119 R)
• M3: 1,599,052 km (0.087 R)
• M4: 2,091,677 km (0.108 R)
• M5: 2,763,372 km (0.086 R)
• M6: 3,670,085 km (0.087 R)
• M7: 4,744,945 km (0.12 R)
• M8: 5,235,028 km (0.062 R)
• M9: 5,994,087 km (0.085 R)
• M10: 6,768,107 km (0.1 R)
• M11: 7,452,816 km (0.087 R)
• M12: 9,208,198 km (0.064 R)
• M13: 11,720,395 km (0.12 R)
• M14: 12,359,626 km (0.077 R)
• M15: 14,274,180 km (0.074 R)
• M16: 14,905,034 km (0.064 R)
• M17: 15,453,460 km (0.084 R)
• M18: 15,963,439 km (0.098 R)
• M19: 19,677,057 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.9

Radius: 11.9

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.06 AU - 4.56 AU

Year: 6290 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,045,481 km

• M1: 147,952 km (0.03 R)
• M2: 557,850 km (0.109 R)
• M3: 1,298,659 km (0.103 R)
• M4: 1,821,204 km (0.083 R)
• M5: 2,869,138 km (0.095 R)
• M6: 4,181,111 km (0.111 R)
• M7: 4,571,113 km (0.073 R)
• M8: 5,129,262 km (0.079 R)
• M9: 5,638,942 km (0.038 R)
• M10: 6,484,021 km (0.054 R)
• M11: 6,866,093 km (0.092 R)
• M12: 8,672,189 km (0.036 R)
• M13: 10,070,929 km (0.041 R)
• M14: 10,728,112 km (0.049 R)
• M15: 11,564,215 km (0.101 R)
• M16: 13,366,570 km (0.1 R)
• M17: 18,060,053 km (0.088 R)
• M18: 18,819,711 km (0.094 R)
• M19: 25,000,048 km (0.071 R)
• M20: 27,720,037 km (0.045 R)
• M21: 28,917,418 km (0.039 R)
• M22: 30,826,287 km (0.043 R)
• M23: 34,576,705 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.5

Radius: 8

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.52 AU - 9.36 AU

Year: 15727 Days

Day: 24.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,045,481 km

• M1: 903,422 km (0.086 R)
• M2: 1,210,696 km (0.059 R)
• M3: 1,826,889 km (0.091 R)
• M4: 2,090,181 km (0.107 R)
• M5: 2,505,615 km (0.12 R)
• M6: 3,456,010 km (0.039 R)
• M7: 4,300,041 km (0.068 R)
• M8: 6,494,941 km (0.108 R)
• M9: 7,536,142 km (0.092 R)
• M10: 10,183,277 km (0.102 R)
• M11: 13,625,524 km (0.06 R)
• M12: 14,396,551 km (0.108 R)
• M13: 16,352,244 km (0.094 R)
• M14: 18,478,628 km (0.091 R)
• M15: 24,718,056 km (0.116 R)
• M16: 31,103,641 km (0.066 R)
• M17: 31,920,446 km (0.056 R)
• M18: 33,172,281 km (0.074 R)
• M19: 35,220,724 km (0.045 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 14,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit