🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.89 AU - 0.97 AU

Year: 312 Days

Day: 43.7 Hours

Environment

Temp: 160 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 113,508,343 km

• M1: 35,006 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.2 AU - 1.32 AU

Year: 493 Days

Day: 46.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 9.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.07 AU - 1.47 AU

Year: 498 Days

Day: 23.3 Hours

Environment

Temp: 35 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.51 AU - 2.71 AU

Year: 1468 Days

Day: 39.5 Hours

Environment

Temp: -78 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.03 AU - 5.15 AU

Year: 3425 Days

Day: 33.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.7

Radius: 14.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.2 AU - 7.96 AU

Year: 6561 Days

Day: 14.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 113,508,343 km

• M1: 184,155 km (0.1 R)
• M2: 799,900 km (0.105 R)
• M3: 1,438,533 km (0.09 R)
• M4: 2,521,622 km (0.057 R)
• M5: 3,232,511 km (0.098 R)
• M6: 3,835,241 km (0.031 R)
• M7: 4,394,288 km (0.114 R)
• M8: 4,905,913 km (0.088 R)
• M9: 7,398,811 km (0.116 R)
• M10: 9,249,188 km (0.09 R)
• M11: 9,726,255 km (0.111 R)
• M12: 11,893,928 km (0.102 R)
• M13: 14,262,362 km (0.109 R)
• M14: 15,391,676 km (0.083 R)
• M15: 16,120,218 km (0.052 R)
• M16: 16,871,648 km (0.102 R)
• M17: 19,850,291 km (0.046 R)
• M18: 23,897,811 km (0.104 R)
• M19: 25,258,404 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.8

Radius: 11.3

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.92 AU - 8.6 AU

Year: 6812 Days

Day: 12.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 113,508,343 km

• M1: 140,472 km (0.056 R)
• M2: 1,128,716 km (0.03 R)
• M3: 1,921,435 km (0.079 R)
• M4: 3,243,880 km (0.111 R)
• M5: 3,961,052 km (0.116 R)
• M6: 4,837,546 km (0.092 R)
• M7: 5,903,730 km (0.1 R)
• M8: 6,720,984 km (0.104 R)
• M9: 7,194,311 km (0.118 R)
• M10: 7,768,019 km (0.107 R)
• M11: 8,289,667 km (0.108 R)
• M12: 9,996,429 km (0.08 R)
• M13: 11,056,779 km (0.077 R)
• M14: 13,975,732 km (0.079 R)
• M15: 16,971,130 km (0.037 R)
• M16: 17,645,218 km (0.096 R)
• M17: 19,263,269 km (0.114 R)
• M18: 21,131,896 km (0.038 R)
• M19: 21,912,199 km (0.084 R)
• M20: 23,447,521 km (0.096 R)
• M21: 27,736,492 km (0.119 R)
• M22: 31,503,367 km (0.081 R)
• M23: 32,935,018 km (0.09 R)
• M24: 34,623,679 km (0.051 R)
• M25: 35,489,252 km (0.071 R)
• M26: 36,480,338 km (0.074 R)
• M27: 37,038,787 km (0.118 R)
• M28: 38,402,521 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.8

Radius: 4.3

Gravity: 46.88 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 19.2 AU - 21.86 AU

Year: 32395 Days

Day: 18.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 113,508,343 km

• M1: 57,595 km (0.119 R)
• M2: 308,471 km (0.111 R)
• M3: 501,003 km (0.103 R)
• M4: 947,553 km (0.096 R)
• M5: 1,228,947 km (0.047 R)
• M6: 1,363,136 km (0.103 R)
• M7: 2,093,921 km (0.1 R)
• M8: 3,532,455 km (0.109 R)
• M9: 4,512,769 km (0.119 R)
• M10: 11,314,237 km (0.1 R)
• M11: 11,460,693 km (0.058 R)
• M12: 12,212,572 km (0.108 R)
• M13: 21,509,930 km (0.082 R)
• M14: 26,443,967 km (0.025 R)
• M15: 28,019,232 km (0.089 R)
• M16: 32,968,678 km (0.086 R)
• M17: 41,698,462 km (0.082 R)
• M18: 43,288,687 km (0.101 R)
• M19: 65,160,195 km (0.102 R)

Kuiper Belt

Range: 31.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 15,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit