🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.2

Radius: 13.8

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.55 AU - 0.83 AU

Year: 396 Days

Day: 8.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,147,925 km

• M1: 171,589 km (0.079 R)
• M2: 610,210 km (0.113 R)
• M3: 1,465,012 km (0.025 R)
• M4: 2,149,871 km (0.104 R)
• M5: 2,743,625 km (0.083 R)
• M6: 3,176,262 km (0.038 R)
• M7: 3,730,821 km (0.1 R)
• M8: 4,181,859 km (0.119 R)
• M9: 4,989,538 km (0.119 R)
• M10: 5,539,460 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.6

Radius: 8.6

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.04 AU - 1.36 AU

Year: 907 Days

Day: 10.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 68,147,925 km

• M1: 106,962 km (0.111 R)
• M2: 412,142 km (0.111 R)
• M3: 1,245,402 km (0.114 R)
• M4: 2,726,122 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.7

Radius: 13.3

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.48 AU - 4.3 AU

Year: 5296 Days

Day: 6.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,147,925 km

• M1: 165,605 km (0.104 R)
• M2: 606,320 km (0.09 R)
• M3: 1,035,367 km (0.079 R)
• M4: 1,504,655 km (0.098 R)
• M5: 2,164,532 km (0.087 R)
• M6: 2,652,370 km (0.079 R)
• M7: 3,361,165 km (0.104 R)
• M8: 3,807,415 km (0.078 R)
• M9: 5,511,186 km (0.117 R)
• M10: 6,365,389 km (0.061 R)
• M11: 7,677,363 km (0.119 R)
• M12: 8,297,745 km (0.101 R)
• M13: 8,784,686 km (0.104 R)
• M14: 9,420,328 km (0.092 R)
• M15: 10,407,823 km (0.088 R)
• M16: 11,023,269 km (0.117 R)
• M17: 11,813,744 km (0.104 R)
• M18: 12,908,351 km (0.031 R)
• M19: 13,619,241 km (0.094 R)
• M20: 15,602,160 km (0.096 R)
• M21: 21,015,958 km (0.059 R)
• M22: 23,979,342 km (0.034 R)
• M23: 29,959,218 km (0.115 R)
• M24: 34,629,514 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.7

Radius: 3.6

Gravity: 51.37 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.32 AU - 8.74 AU

Year: 17196 Days

Day: 19.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,147,925 km

• M1: 44,730 km (0.101 R)
• M2: 293,511 km (0.03 R)
• M3: 820,544 km (0.041 R)
• M4: 1,445,714 km (0.117 R)
• M5: 2,093,323 km (0.116 R)
• M6: 2,721,484 km (0.061 R)
• M7: 3,195,859 km (0.079 R)
• M8: 4,807,477 km (0.099 R)
• M9: 10,012,585 km (0.119 R)
• M10: 11,437,356 km (0.064 R)
• M11: 12,068,958 km (0.116 R)
• M12: 13,470,391 km (0.112 R)
• M13: 16,119,021 km (0.098 R)
• M14: 16,671,486 km (0.078 R)
• M15: 17,647,762 km (0.093 R)
• M16: 21,743,303 km (0.115 R)
• M17: 23,504,369 km (0.102 R)
• M18: 24,833,995 km (0.112 R)
• M19: 27,978,841 km (0.091 R)
• M20: 30,177,032 km (0.117 R)
• M21: 33,494,963 km (0.093 R)
• M22: 35,175,695 km (0.086 R)
• M23: 53,075,829 km (0.113 R)
• M24: 54,120,171 km (0.08 R)
• M25: 65,327,445 km (0.118 R)
• M26: 65,925,089 km (0.084 R)
• M27: 66,526,472 km (0.072 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: 548 - 13,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit