🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.74 AU - 1.2 AU

Year: 336 Days

Day: 31.7 Hours

Environment

Temp: 100 °C

Axial Tilt: 2.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.97 AU - 1.09 AU

Year: 367 Days

Day: 40.9 Hours

Environment

Temp: 137 °C

Axial Tilt: 42.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.86 AU - 1.42 AU

Year: 428 Days

Day: 29.5 Hours

Environment

Temp: 40 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.08 AU - 1.42 AU

Year: 491 Days

Day: 35.5 Hours

Environment

Temp: 20 °C

Axial Tilt: 8.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 82,616,093 km

• M1: 99,333 km (0.028 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.21 AU - 1.67 AU

Year: 607 Days

Day: 43.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 82,616,093 km

• M1: 43,832 km (0.073 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.44 AU - 1.54 AU

Year: 639 Days

Day: 21.1 Hours

Environment

Temp: 4 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 7 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.09 AU - 2.37 AU

Year: 1170 Days

Day: 43.7 Hours

Environment

Temp: -70 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 12.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.9

Radius: 14.9

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 10.85 AU - 13.37 AU

Year: 14811 Days

Day: 9.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,616,093 km

• M1: 204,051 km (0.056 R)
• M2: 1,291,179 km (0.058 R)
• M3: 2,043,357 km (0.069 R)
• M4: 3,337,977 km (0.114 R)
• M5: 3,975,563 km (0.077 R)
• M6: 4,960,965 km (0.072 R)
• M7: 9,114,250 km (0.064 R)
• M8: 12,230,673 km (0.12 R)
• M9: 12,794,358 km (0.079 R)
• M10: 14,934,355 km (0.098 R)
• M11: 23,475,496 km (0.094 R)
• M12: 24,589,402 km (0.07 R)
• M13: 25,241,649 km (0.103 R)
• M14: 31,071,029 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.7

Radius: 10.7

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 9.91 AU - 15.53 AU

Year: 15944 Days

Day: 14.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,616,093 km

• M1: 133,740 km (0.037 R)
• M2: 466,895 km (0.111 R)
• M3: 1,813,276 km (0.083 R)
• M4: 2,370,977 km (0.115 R)
• M5: 4,123,516 km (0.031 R)
• M6: 4,479,559 km (0.083 R)
• M7: 5,308,780 km (0.112 R)
• M8: 6,968,867 km (0.07 R)
• M9: 8,489,530 km (0.039 R)
• M10: 8,950,740 km (0.104 R)
• M11: 10,092,471 km (0.078 R)
• M12: 18,479,376 km (0.071 R)
• M13: 19,386,687 km (0.063 R)
• M14: 20,734,265 km (0.09 R)
• M15: 21,785,190 km (0.093 R)
• M16: 27,245,961 km (0.046 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.1

Radius: 5.1

Gravity: 22.46 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 14.48 AU - 19.4 AU

Year: 24505 Days

Day: 15.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,616,093 km

• M1: 76,445 km (0.089 R)
• M2: 861,235 km (0.09 R)
• M3: 1,514,379 km (0.112 R)
• M4: 2,570,690 km (0.103 R)
• M5: 2,793,890 km (0.088 R)
• M6: 3,336,781 km (0.101 R)
• M7: 3,979,603 km (0.051 R)
• M8: 4,593,253 km (0.085 R)
• M9: 5,711,497 km (0.068 R)
• M10: 6,267,403 km (0.065 R)
• M11: 7,839,527 km (0.063 R)
• M12: 8,910,797 km (0.038 R)
• M13: 10,136,752 km (0.104 R)
• M14: 12,214,965 km (0.105 R)
• M15: 12,423,355 km (0.073 R)
• M16: 14,483,467 km (0.032 R)
• M17: 18,073,667 km (0.04 R)
• M18: 18,617,605 km (0.079 R)
• M19: 23,689,272 km (0.1 R)
• M20: 32,575,385 km (0.117 R)
• M21: 34,061,191 km (0.026 R)
• M22: 34,612,459 km (0.089 R)
• M23: 37,604,866 km (0.117 R)
• M24: 42,172,089 km (0.068 R)
• M25: 50,940,169 km (0.08 R)
• M26: 53,864,209 km (0.086 R)
• M27: 54,237,306 km (0.115 R)
• M28: 63,927,808 km (0.096 R)
• M29: 68,630,417 km (0.084 R)

Kuiper Belt

Range: 31.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 17,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit