🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.57 AU - 0.83 AU

Year: 244 Days

Day: 25.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 166.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.81 AU - 1.01 AU

Year: 361 Days

Day: 41.2 Hours

Environment

Temp: -28 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.75 AU - 1.87 AU

Year: 1014 Days

Day: 23.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.7

Radius: 14.5

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.72 AU - 10.96 AU

Year: 10940 Days

Day: 6.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,661,722 km

• M1: 180,714 km (0.08 R)
• M2: 779,854 km (0.095 R)
• M3: 1,679,535 km (0.06 R)
• M4: 2,488,710 km (0.12 R)
• M5: 10,362,794 km (0.104 R)
• M6: 12,257,601 km (0.1 R)
• M7: 13,419,976 km (0.112 R)
• M8: 18,099,398 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.5

Radius: 7.4

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 11.38 AU - 12.2 AU

Year: 16851 Days

Day: 23.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,661,722 km

• M1: 93,199 km (0.082 R)
• M2: 710,889 km (0.101 R)
• M3: 1,810,134 km (0.047 R)
• M4: 2,644,292 km (0.096 R)
• M5: 3,123,155 km (0.1 R)
• M6: 4,193,976 km (0.072 R)
• M7: 5,315,960 km (0.094 R)
• M8: 6,625,839 km (0.099 R)
• M9: 8,371,796 km (0.064 R)
• M10: 9,555,265 km (0.104 R)
• M11: 10,187,017 km (0.1 R)
• M12: 10,790,494 km (0.094 R)
• M13: 11,359,415 km (0.066 R)
• M14: 14,304,548 km (0.08 R)
• M15: 14,713,848 km (0.102 R)
• M16: 15,916,017 km (0.057 R)
• M17: 16,429,586 km (0.102 R)
• M18: 19,495,445 km (0.1 R)
• M19: 20,683,102 km (0.059 R)
• M20: 30,715,584 km (0.076 R)
• M21: 33,144,455 km (0.116 R)
• M22: 34,955,637 km (0.062 R)
• M23: 36,831,893 km (0.037 R)
• M24: 40,920,254 km (0.087 R)
• M25: 42,301,042 km (0.08 R)
• M26: 43,285,994 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 14,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit