🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.1

Radius: 14.8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.62 AU - 0.8 AU

Year: 413 Days

Day: 7.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,482,101 km

• M1: 184,005 km (0.057 R)
• M2: 667,207 km (0.062 R)
• M3: 1,233,883 km (0.072 R)
• M4: 1,922,033 km (0.104 R)
• M5: 2,440,540 km (0.119 R)
• M6: 3,122,556 km (0.103 R)
• M7: 3,744,285 km (0.106 R)
• M8: 4,233,021 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.4

Radius: 14.5

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.02 AU - 2.62 AU

Year: 2439 Days

Day: 13.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,482,101 km

• M1: 180,415 km (0.069 R)
• M2: 713,731 km (0.111 R)
• M3: 1,432,250 km (0.086 R)
• M4: 2,805,858 km (0.062 R)
• M5: 5,284,246 km (0.053 R)
• M6: 9,392,054 km (0.073 R)
• M7: 9,935,243 km (0.116 R)
• M8: 13,150,700 km (0.056 R)
• M9: 15,712,713 km (0.064 R)
• M10: 17,868,568 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.4

Radius: 8.6

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.75 AU - 5.47 AU

Year: 7973 Days

Day: 13.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,482,101 km

• M1: 106,962 km (0.118 R)
• M2: 479,162 km (0.071 R)
• M3: 953,088 km (0.07 R)
• M4: 2,467,766 km (0.066 R)
• M5: 3,911,386 km (0.085 R)
• M6: 4,498,707 km (0.09 R)
• M7: 4,775,314 km (0.083 R)
• M8: 5,819,357 km (0.077 R)
• M9: 6,087,586 km (0.109 R)
• M10: 8,810,417 km (0.105 R)
• M11: 9,446,956 km (0.083 R)
• M12: 10,502,519 km (0.112 R)
• M13: 14,846,392 km (0.071 R)
• M14: 16,684,351 km (0.11 R)
• M15: 18,862,945 km (0.1 R)
• M16: 19,919,405 km (0.1 R)
• M17: 24,080,620 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801

Radius: 7.8

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.38 AU - 8.62 AU

Year: 12784 Days

Day: 15.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,482,101 km

• M1: 97,089 km (0.101 R)
• M2: 349,461 km (0.104 R)
• M3: 670,946 km (0.079 R)
• M4: 1,116,898 km (0.077 R)
• M5: 1,486,255 km (0.036 R)
• M6: 1,832,125 km (0.059 R)
• M7: 3,784,826 km (0.097 R)
• M8: 4,310,812 km (0.064 R)
• M9: 5,086,926 km (0.116 R)
• M10: 6,913,965 km (0.069 R)
• M11: 9,657,291 km (0.095 R)
• M12: 10,979,287 km (0.042 R)
• M13: 12,860,181 km (0.063 R)
• M14: 13,776,169 km (0.077 R)
• M15: 18,523,508 km (0.059 R)
• M16: 28,170,027 km (0.108 R)
• M17: 28,495,702 km (0.096 R)
• M18: 31,423,482 km (0.093 R)
• M19: 35,420,587 km (0.092 R)
• M20: 36,054,433 km (0.085 R)
• M21: 41,820,683 km (0.077 R)
• M22: 42,244,494 km (0.081 R)
• M23: 44,114,318 km (0.078 R)
• M24: 50,851,757 km (0.114 R)
• M25: 55,138,634 km (0.117 R)
• M26: 58,068,209 km (0.101 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: 426 - 17,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit