🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.62 AU - 0.62 AU

Year: 223 Days

Day: 41.5 Hours

Environment

Temp: -9 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.91 AU - 1.13 AU

Year: 470 Days

Day: 18.5 Hours

Environment

Temp: -85 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.2

Radius: 13.4

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.39 AU - 5.55 AU

Year: 4315 Days

Day: 13.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,339,200 km

• M1: 170,542 km (0.079 R)
• M2: 645,216 km (0.047 R)
• M3: 3,242,384 km (0.098 R)
• M4: 4,045,874 km (0.107 R)
• M5: 4,468,040 km (0.048 R)
• M6: 4,958,870 km (0.043 R)
• M7: 5,612,463 km (0.097 R)
• M8: 7,294,542 km (0.047 R)
• M9: 8,032,209 km (0.047 R)
• M10: 9,171,845 km (0.034 R)
• M11: 11,560,774 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.7

Radius: 11.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.94 AU - 5.4 AU

Year: 5367 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,339,200 km

• M1: 144,362 km (0.074 R)
• M2: 653,593 km (0.073 R)
• M3: 1,461,870 km (0.082 R)
• M4: 1,869,824 km (0.103 R)
• M5: 2,613,475 km (0.111 R)
• M6: 4,141,767 km (0.065 R)
• M7: 4,929,699 km (0.073 R)
• M8: 5,381,933 km (0.067 R)
• M9: 6,051,832 km (0.091 R)
• M10: 7,282,125 km (0.079 R)
• M11: 10,061,504 km (0.084 R)
• M12: 10,862,750 km (0.119 R)
• M13: 11,481,936 km (0.071 R)
• M14: 12,047,715 km (0.12 R)
• M15: 12,711,331 km (0.086 R)
• M16: 13,647,814 km (0.043 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.4

Radius: 6.8

Gravity: 17.89 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.59 AU - 11.37 AU

Year: 15490 Days

Day: 22.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,339,200 km

• M1: 156,928 km (0.108 R)
• M2: 590,612 km (0.12 R)
• M3: 1,176,886 km (0.088 R)
• M4: 1,819,110 km (0.104 R)
• M5: 2,098,260 km (0.068 R)
• M6: 4,071,456 km (0.079 R)
• M7: 6,018,472 km (0.058 R)
• M8: 7,871,391 km (0.113 R)
• M9: 8,362,970 km (0.094 R)
• M10: 9,353,308 km (0.119 R)
• M11: 10,246,108 km (0.113 R)
• M12: 11,816,137 km (0.095 R)
• M13: 22,022,901 km (0.12 R)
• M14: 24,720,749 km (0.076 R)
• M15: 30,165,214 km (0.091 R)
• M16: 40,974,408 km (0.114 R)
• M17: 44,721,236 km (0.097 R)
• M18: 52,715,447 km (0.073 R)
• M19: 56,055,070 km (0.11 R)
• M20: 56,775,833 km (0.094 R)
• M21: 58,604,367 km (0.111 R)
• M22: 62,571,553 km (0.073 R)
• M23: 63,541,845 km (0.038 R)
• M24: 64,917,098 km (0.119 R)
• M25: 67,930,448 km (0.108 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: 214 - 18,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit