🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.5 AU - 0.56 AU

Year: 149 Days

Day: 47.5 Hours

Environment

Temp: 139 °C

Axial Tilt: 49.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.61 AU - 0.77 AU

Year: 221 Days

Day: 37 Hours

Environment

Temp: 161 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.95 AU - 1.07 AU

Year: 391 Days

Day: 13.5 Hours

Environment

Temp: 3 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.04 AU - 1.5 AU

Year: 551 Days

Day: 32.8 Hours

Environment

Temp: -35 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,064,140 km

• M1: 374,443 km (0.065 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.2 AU - 1.86 AU

Year: 729 Days

Day: 31.6 Hours

Environment

Temp: -58 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.12 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.63 AU - 2.77 AU

Year: 1708 Days

Day: 43.5 Hours

Environment

Temp: -106 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.15 AU - 3.21 AU

Year: 2183 Days

Day: 47.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 16.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.5

Radius: 6.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 15.51 AU - 17.71 AU

Year: 26063 Days

Day: 17.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,064,140 km

• M1: 105,317 km (0.094 R)
• M2: 437,574 km (0.113 R)
• M3: 753,375 km (0.085 R)
• M4: 1,463,067 km (0.089 R)
• M5: 1,887,476 km (0.08 R)
• M6: 2,120,849 km (0.093 R)
• M7: 3,432,523 km (0.109 R)
• M8: 3,879,671 km (0.086 R)
• M9: 5,934,099 km (0.064 R)
• M10: 6,166,275 km (0.043 R)
• M11: 7,689,181 km (0.118 R)
• M12: 8,963,007 km (0.112 R)
• M13: 10,612,174 km (0.045 R)
• M14: 11,304,961 km (0.114 R)
• M15: 12,835,198 km (0.073 R)
• M16: 16,495,559 km (0.049 R)
• M17: 18,317,212 km (0.04 R)
• M18: 19,024,810 km (0.119 R)
• M19: 20,119,866 km (0.042 R)
• M20: 22,275,721 km (0.115 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 15,989 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit