🌌 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: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.1

Radius: 14

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.59 AU - 0.85 AU

Year: 394 Days

Day: 10.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,517,903 km

• M1: 174,132 km (0.072 R)
• M2: 623,524 km (0.054 R)
• M3: 1,124,677 km (0.081 R)
• M4: 2,047,097 km (0.102 R)
• M5: 2,715,351 km (0.085 R)
• M6: 3,191,970 km (0.11 R)
• M7: 4,084,471 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.8

Radius: 11

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.04 AU - 4.96 AU

Year: 5165 Days

Day: 7.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,517,903 km

• M1: 137,181 km (0.072 R)
• M2: 739,013 km (0.11 R)
• M3: 1,218,774 km (0.074 R)
• M4: 2,396,707 km (0.119 R)
• M5: 2,956,353 km (0.103 R)
• M6: 3,452,868 km (0.103 R)
• M7: 4,363,171 km (0.086 R)
• M8: 5,145,718 km (0.111 R)
• M9: 6,080,705 km (0.07 R)
• M10: 6,523,963 km (0.043 R)
• M11: 7,763,830 km (0.059 R)
• M12: 8,992,178 km (0.073 R)
• M13: 9,610,766 km (0.099 R)
• M14: 13,935,191 km (0.103 R)
• M15: 14,933,607 km (0.112 R)
• M16: 16,398,619 km (0.084 R)
• M17: 18,086,083 km (0.06 R)
• M18: 19,680,647 km (0.112 R)
• M19: 21,511,725 km (0.03 R)
• M20: 23,147,727 km (0.088 R)
• M21: 25,266,931 km (0.034 R)
• M22: 25,754,769 km (0.111 R)
• M23: 26,332,068 km (0.106 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.2

Radius: 4.6

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.03 AU - 8.27 AU

Year: 15023 Days

Day: 15.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,517,903 km

• M1: 71,358 km (0.1 R)
• M2: 926,160 km (0.08 R)
• M3: 1,620,444 km (0.096 R)
• M4: 2,684,085 km (0.105 R)
• M5: 3,110,439 km (0.117 R)
• M6: 3,535,895 km (0.086 R)
• M7: 5,972,994 km (0.065 R)
• M8: 6,730,707 km (0.118 R)
• M9: 10,826,548 km (0.099 R)
• M10: 11,112,130 km (0.042 R)
• M11: 17,797,659 km (0.086 R)
• M12: 19,077,169 km (0.117 R)
• M13: 24,401,507 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237

Radius: 5.7

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.04 AU - 9.4 AU

Year: 15217 Days

Day: 15.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,517,903 km

• M1: 80,035 km (0.1 R)
• M2: 693,087 km (0.059 R)
• M3: 2,286,005 km (0.061 R)
• M4: 2,851,934 km (0.112 R)
• M5: 3,270,658 km (0.089 R)
• M6: 4,955,729 km (0.108 R)
• M7: 7,425,440 km (0.057 R)
• M8: 10,561,610 km (0.065 R)
• M9: 12,965,797 km (0.105 R)
• M10: 14,545,551 km (0.114 R)
• M11: 15,978,997 km (0.044 R)
• M12: 21,244,543 km (0.04 R)
• M13: 25,028,621 km (0.117 R)
• M14: 25,854,252 km (0.058 R)
• M15: 32,364,901 km (0.08 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 12,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit