🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483

Radius: 10.5

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.7 AU - 0.82 AU

Year: 428 Days

Day: 6.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,306,998 km

• M1: 130,749 km (0.085 R)
• M2: 481,256 km (0.045 R)
• M3: 809,474 km (0.116 R)
• M4: 1,599,949 km (0.095 R)
• M5: 2,134,313 km (0.102 R)
• M6: 2,563,659 km (0.046 R)
• M7: 3,060,922 km (0.05 R)
• M8: 3,765,977 km (0.037 R)
• M9: 4,860,884 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72

Radius: 12.9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.79 AU - 0.81 AU

Year: 462 Days

Day: 9.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 19,306,998 km

• M1: 161,715 km (0.117 R)
• M2: 605,871 km (0.055 R)
• M3: 1,137,093 km (0.046 R)
• M4: 1,644,829 km (0.086 R)
• M5: 2,542,565 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 13.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.79 AU - 1.91 AU

Year: 1625 Days

Day: 8.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,306,998 km

• M1: 196,871 km (0.086 R)
• M2: 1,096,702 km (0.088 R)
• M3: 1,620,594 km (0.105 R)
• M4: 2,145,084 km (0.066 R)
• M5: 2,882,452 km (0.091 R)
• M6: 3,318,530 km (0.086 R)
• M7: 4,112,894 km (0.111 R)
• M8: 4,651,895 km (0.101 R)
• M9: 5,276,018 km (0.083 R)
• M10: 5,709,253 km (0.108 R)
• M11: 6,760,926 km (0.105 R)
• M12: 7,249,513 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.1

Radius: 8.2

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.96 AU - 2.66 AU

Year: 2267 Days

Day: 12.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,306,998 km

• M1: 102,026 km (0.091 R)
• M2: 377,585 km (0.049 R)
• M3: 708,047 km (0.058 R)
• M4: 1,059,153 km (0.091 R)
• M5: 1,484,609 km (0.039 R)
• M6: 2,560,667 km (0.088 R)
• M7: 4,591,009 km (0.099 R)
• M8: 5,183,865 km (0.083 R)
• M9: 5,623,384 km (0.095 R)
• M10: 6,301,960 km (0.05 R)
• M11: 7,852,841 km (0.101 R)
• M12: 8,433,131 km (0.035 R)
• M13: 10,925,132 km (0.076 R)
• M14: 12,705,048 km (0.086 R)
• M15: 13,916,641 km (0.026 R)
• M16: 14,431,707 km (0.114 R)
• M17: 15,351,135 km (0.074 R)
• M18: 16,412,382 km (0.045 R)
• M19: 17,253,122 km (0.063 R)
• M20: 18,177,637 km (0.056 R)
• M21: 18,567,639 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 19,191 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit