🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.6 AU - 0.62 AU

Year: 178 Days

Day: 38.9 Hours

Environment

Temp: 139 °C

Axial Tilt: 45.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.87 AU - 1.41 AU

Year: 454 Days

Day: 15.8 Hours

Environment

Temp: 6 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.11 AU - 1.53 AU

Year: 565 Days

Day: 38.7 Hours

Environment

Temp: -37 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.69 AU - 1.75 AU

Year: 841 Days

Day: 28.5 Hours

Environment

Temp: -55 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.51 AU - 2.11 AU

Year: 908 Days

Day: 42.7 Hours

Environment

Temp: -58 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,659,222 km

• M1: 39,494 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4 AU - 4.4 AU

Year: 3209 Days

Day: 41.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.8

Radius: 14.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.34 AU - 5.56 AU

Year: 4105 Days

Day: 13.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,659,222 km

• M1: 177,872 km (0.077 R)
• M2: 777,460 km (0.116 R)
• M3: 1,225,207 km (0.116 R)
• M4: 1,971,550 km (0.113 R)
• M5: 2,660,449 km (0.095 R)
• M6: 5,372,060 km (0.094 R)
• M7: 5,906,124 km (0.1 R)
• M8: 7,213,909 km (0.114 R)
• M9: 8,115,535 km (0.084 R)
• M10: 9,208,497 km (0.071 R)
• M11: 11,732,811 km (0.087 R)
• M12: 12,490,225 km (0.059 R)
• M13: 14,688,267 km (0.053 R)
• M14: 16,836,193 km (0.078 R)
• M15: 21,052,310 km (0.117 R)
• M16: 22,242,959 km (0.052 R)
• M17: 25,220,855 km (0.119 R)
• M18: 26,005,047 km (0.062 R)
• M19: 26,805,395 km (0.099 R)
• M20: 27,293,533 km (0.069 R)
• M21: 27,787,505 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.4

Radius: 10.2

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.62 AU - 8.94 AU

Year: 7322 Days

Day: 13.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,659,222 km

• M1: 126,859 km (0.055 R)
• M2: 644,468 km (0.099 R)
• M3: 1,031,029 km (0.092 R)
• M4: 1,397,543 km (0.103 R)
• M5: 1,793,529 km (0.116 R)
• M6: 2,131,022 km (0.117 R)
• M7: 2,456,846 km (0.04 R)
• M8: 3,737,703 km (0.053 R)
• M9: 4,483,448 km (0.067 R)
• M10: 4,906,661 km (0.114 R)
• M11: 5,899,093 km (0.117 R)
• M12: 7,020,179 km (0.099 R)
• M13: 8,361,175 km (0.106 R)
• M14: 9,360,488 km (0.067 R)
• M15: 13,867,872 km (0.094 R)
• M16: 16,754,363 km (0.107 R)
• M17: 19,349,587 km (0.032 R)
• M18: 20,627,302 km (0.055 R)
• M19: 26,304,242 km (0.119 R)
• M20: 26,850,125 km (0.085 R)
• M21: 34,112,204 km (0.118 R)
• M22: 37,441,804 km (0.119 R)
• M23: 37,901,518 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.1

Radius: 5.3

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 14.69 AU - 16.53 AU

Year: 22991 Days

Day: 19.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,659,222 km

• M1: 66,122 km (0.102 R)
• M2: 283,937 km (0.068 R)
• M3: 455,376 km (0.104 R)
• M4: 893,548 km (0.104 R)
• M5: 1,188,106 km (0.104 R)
• M6: 1,990,250 km (0.072 R)
• M7: 2,538,077 km (0.12 R)
• M8: 2,718,343 km (0.113 R)
• M9: 3,780,787 km (0.114 R)
• M10: 4,749,732 km (0.097 R)
• M11: 5,273,475 km (0.075 R)
• M12: 11,840,223 km (0.089 R)
• M13: 13,740,864 km (0.116 R)
• M14: 14,872,123 km (0.111 R)
• M15: 19,667,632 km (0.109 R)
• M16: 21,193,231 km (0.083 R)
• M17: 24,477,802 km (0.066 R)
• M18: 24,680,956 km (0.108 R)
• M19: 29,097,683 km (0.097 R)
• M20: 32,399,159 km (0.096 R)
• M21: 32,890,289 km (0.116 R)
• M22: 36,204,330 km (0.091 R)
• M23: 36,866,151 km (0.096 R)
• M24: 38,214,028 km (0.094 R)
• M25: 52,357,908 km (0.116 R)
• M26: 53,544,967 km (0.044 R)
• M27: 60,674,652 km (0.063 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 18,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit