🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.78 AU - 1.24 AU

Year: 364 Days

Day: 28.3 Hours

Environment

Temp: 70 °C

Axial Tilt: 34.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.31 AU - 2.83 AU

Year: 1476 Days

Day: 12.9 Hours

Environment

Temp: -91 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.45 AU - 4.77 AU

Year: 3545 Days

Day: 27.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699

Radius: 11.7

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.97 AU - 9.41 AU

Year: 7638 Days

Day: 6.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,318,874 km

• M1: 145,708 km (0.102 R)
• M2: 788,381 km (0.095 R)
• M3: 1,589,328 km (0.076 R)
• M4: 1,958,236 km (0.1 R)
• M5: 2,565,603 km (0.074 R)
• M6: 3,954,919 km (0.116 R)
• M7: 4,424,058 km (0.059 R)
• M8: 4,814,508 km (0.033 R)
• M9: 6,613,423 km (0.049 R)
• M10: 7,863,313 km (0.078 R)
• M11: 9,354,654 km (0.089 R)
• M12: 9,954,093 km (0.101 R)
• M13: 13,691,048 km (0.112 R)
• M14: 16,098,077 km (0.118 R)
• M15: 22,541,407 km (0.113 R)
• M16: 23,873,127 km (0.12 R)
• M17: 30,922,777 km (0.118 R)
• M18: 34,158,131 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.5

Radius: 9.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.79 AU - 11.69 AU

Year: 12606 Days

Day: 11.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 57.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,318,874 km

• M1: 124,166 km (0.079 R)
• M2: 468,690 km (0.077 R)
• M3: 817,702 km (0.043 R)
• M4: 2,219,883 km (0.089 R)
• M5: 5,838,207 km (0.096 R)
• M6: 9,147,760 km (0.112 R)
• M7: 13,089,814 km (0.11 R)
• M8: 16,701,256 km (0.119 R)
• M9: 18,246,153 km (0.111 R)
• M10: 27,330,783 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.9

Radius: 4.2

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 15.55 AU - 23.91 AU

Year: 31388 Days

Day: 23.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,318,874 km

• M1: 60,737 km (0.064 R)
• M2: 359,184 km (0.119 R)
• M3: 513,420 km (0.117 R)
• M4: 939,325 km (0.091 R)
• M5: 1,124,677 km (0.079 R)
• M6: 1,746,854 km (0.092 R)
• M7: 2,028,697 km (0.074 R)
• M8: 4,682,413 km (0.076 R)
• M9: 7,591,793 km (0.105 R)
• M10: 8,930,694 km (0.057 R)
• M11: 18,934,154 km (0.068 R)
• M12: 21,277,455 km (0.073 R)
• M13: 23,228,361 km (0.068 R)
• M14: 23,806,856 km (0.057 R)
• M15: 25,194,226 km (0.079 R)
• M16: 33,066,216 km (0.106 R)
• M17: 37,094,288 km (0.088 R)
• M18: 37,356,383 km (0.104 R)
• M19: 43,005,049 km (0.088 R)
• M20: 45,355,531 km (0.025 R)
• M21: 45,505,129 km (0.059 R)
• M22: 46,867,068 km (0.099 R)
• M23: 51,929,759 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55

Radius: 3.7

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 19.67 AU - 20.67 AU

Year: 32444 Days

Day: 21.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,318,874 km

• M1: 51,611 km (0.07 R)
• M2: 272,418 km (0.118 R)
• M3: 392,096 km (0.061 R)
• M4: 711,787 km (0.103 R)
• M5: 1,196,484 km (0.118 R)
• M6: 1,381,686 km (0.119 R)
• M7: 2,530,298 km (0.116 R)
• M8: 2,836,226 km (0.107 R)
• M9: 4,568,719 km (0.064 R)
• M10: 4,897,984 km (0.042 R)
• M11: 6,086,838 km (0.039 R)
• M12: 7,869,596 km (0.1 R)
• M13: 10,731,702 km (0.108 R)
• M14: 10,940,541 km (0.06 R)
• M15: 11,803,122 km (0.12 R)
• M16: 12,594,196 km (0.055 R)
• M17: 17,156,183 km (0.109 R)
• M18: 21,119,779 km (0.119 R)
• M19: 22,114,006 km (0.088 R)
• M20: 24,644,454 km (0.114 R)
• M21: 26,783,704 km (0.082 R)
• M22: 30,583,789 km (0.053 R)
• M23: 37,170,882 km (0.089 R)
• M24: 37,648,997 km (0.118 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 15,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit