🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.6

Radius: 14.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.55 AU - 0.71 AU

Year: 345 Days

Day: 12.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,197,546 km

• M1: 185,801 km (0.091 R)
• M2: 655,837 km (0.095 R)
• M3: 1,370,017 km (0.12 R)
• M4: 1,886,579 km (0.084 R)
• M5: 3,272,304 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.2

Radius: 10.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.67 AU - 1.75 AU

Year: 1543 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,197,546 km

• M1: 134,339 km (0.111 R)
• M2: 675,135 km (0.107 R)
• M3: 1,025,793 km (0.054 R)
• M4: 1,370,466 km (0.077 R)
• M5: 2,124,439 km (0.115 R)
• M6: 2,608,239 km (0.067 R)
• M7: 2,979,990 km (0.051 R)
• M8: 3,417,863 km (0.108 R)
• M9: 3,782,433 km (0.104 R)
• M10: 4,261,445 km (0.108 R)
• M11: 4,819,295 km (0.109 R)
• M12: 5,156,639 km (0.082 R)
• M13: 5,968,506 km (0.104 R)
• M14: 6,428,819 km (0.114 R)
• M15: 7,926,742 km (0.084 R)
• M16: 8,742,799 km (0.111 R)
• M17: 9,614,057 km (0.084 R)
• M18: 9,959,329 km (0.087 R)
• M19: 10,608,434 km (0.077 R)
• M20: 11,564,215 km (0.072 R)
• M21: 11,991,017 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.2

Radius: 14.4

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.45 AU - 2.87 AU

Year: 2995 Days

Day: 11.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,197,546 km

• M1: 180,116 km (0.109 R)
• M2: 640,428 km (0.086 R)
• M3: 1,513,033 km (0.055 R)
• M4: 2,345,695 km (0.11 R)
• M5: 3,245,077 km (0.074 R)
• M6: 3,831,949 km (0.059 R)
• M7: 4,405,657 km (0.113 R)
• M8: 5,267,790 km (0.041 R)
• M9: 5,752,038 km (0.12 R)
• M10: 6,699,591 km (0.068 R)
• M11: 7,240,238 km (0.11 R)
• M12: 8,217,112 km (0.085 R)
• M13: 8,904,813 km (0.09 R)
• M14: 12,006,127 km (0.082 R)
• M15: 14,607,783 km (0.082 R)
• M16: 16,166,443 km (0.119 R)
• M17: 16,624,063 km (0.094 R)
• M18: 18,542,357 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.6

Radius: 10.8

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.94 AU - 3.52 AU

Year: 4007 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,197,546 km

• M1: 134,339 km (0.096 R)
• M2: 673,789 km (0.1 R)
• M3: 1,340,846 km (0.11 R)
• M4: 1,980,825 km (0.083 R)
• M5: 2,438,296 km (0.049 R)
• M6: 2,897,860 km (0.091 R)
• M7: 4,383,068 km (0.115 R)
• M8: 6,825,403 km (0.112 R)
• M9: 7,386,096 km (0.093 R)
• M10: 8,778,553 km (0.113 R)
• M11: 9,143,272 km (0.08 R)
• M12: 10,622,496 km (0.093 R)
• M13: 11,419,254 km (0.068 R)
• M14: 12,165,448 km (0.085 R)
• M15: 13,561,346 km (0.111 R)
• M16: 14,099,001 km (0.08 R)
• M17: 18,328,582 km (0.027 R)
• M18: 19,597,620 km (0.083 R)
• M19: 21,118,432 km (0.09 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 14,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit