🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.88 AU - 1.12 AU

Year: 360 Days

Day: 37.3 Hours

Environment

Temp: 35 °C

Axial Tilt: 20 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 84,750,499 km

• M1: 68,665 km (0.112 R)
• M2: 907,161 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.78 AU - 1.26 AU

Year: 371 Days

Day: 35.4 Hours

Environment

Temp: 49 °C

Axial Tilt: 132.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.99 AU - 6.03 AU

Year: 4036 Days

Day: 16.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 96.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,750,499 km

• M1: 1,744,610 km (0.102 R)

Asteroid Belt

Center: 5.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.2

Radius: 9.7

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.9 AU - 7.18 AU

Year: 6019 Days

Day: 13.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,750,499 km

• M1: 121,324 km (0.075 R)
• M2: 568,921 km (0.104 R)
• M3: 1,750,145 km (0.054 R)
• M4: 2,355,867 km (0.097 R)
• M5: 3,774,953 km (0.101 R)
• M6: 4,297,498 km (0.111 R)
• M7: 4,654,588 km (0.111 R)
• M8: 6,781,421 km (0.105 R)
• M9: 7,481,988 km (0.059 R)
• M10: 8,076,639 km (0.078 R)
• M11: 9,572,469 km (0.065 R)
• M12: 9,874,955 km (0.101 R)
• M13: 13,050,918 km (0.07 R)
• M14: 14,022,856 km (0.068 R)
• M15: 16,110,793 km (0.061 R)
• M16: 17,102,178 km (0.092 R)
• M17: 18,664,728 km (0.084 R)
• M18: 24,479,896 km (0.052 R)
• M19: 27,144,085 km (0.072 R)
• M20: 29,720,310 km (0.088 R)
• M21: 30,926,517 km (0.1 R)
• M22: 31,304,102 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.7

Radius: 3.4

Gravity: 44.09 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 14.53 AU - 21.27 AU

Year: 27255 Days

Day: 15.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,750,499 km

• M1: 42,635 km (0.11 R)
• M2: 465,848 km (0.071 R)
• M3: 709,842 km (0.101 R)
• M4: 994,377 km (0.118 R)
• M5: 3,284,272 km (0.083 R)
• M6: 5,837,907 km (0.089 R)
• M7: 7,812,898 km (0.102 R)
• M8: 9,178,129 km (0.11 R)
• M9: 12,229,925 km (0.081 R)
• M10: 13,830,323 km (0.069 R)
• M11: 14,058,909 km (0.069 R)
• M12: 20,525,127 km (0.09 R)
• M13: 27,269,149 km (0.054 R)
• M14: 34,507,442 km (0.098 R)
• M15: 36,497,991 km (0.108 R)
• M16: 48,302,460 km (0.05 R)
• M17: 50,070,108 km (0.083 R)
• M18: 57,768,564 km (0.107 R)
• M19: 60,567,690 km (0.077 R)
• M20: 68,839,405 km (0.036 R)
• M21: 74,519,337 km (0.104 R)

Kuiper Belt

Range: 30.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 16,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit