🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.52 AU - 0.54 AU

Year: 145 Days

Day: 12.5 Hours

Environment

Temp: 183 °C

Axial Tilt: 142 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 0.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.93 AU - 1.25 AU

Year: 426 Days

Day: 34.9 Hours

Environment

Temp: 22 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,412,004 km

• M1: 222,302 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.5

Radius: 14.2

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.54 AU - 8.8 AU

Year: 7195 Days

Day: 9.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,412,004 km

• M1: 176,675 km (0.084 R)
• M2: 626,815 km (0.109 R)
• M3: 1,457,532 km (0.062 R)
• M4: 2,183,231 km (0.098 R)
• M5: 4,750,929 km (0.119 R)
• M6: 7,041,871 km (0.073 R)
• M7: 8,514,213 km (0.101 R)
• M8: 9,255,919 km (0.081 R)
• M9: 10,968,965 km (0.109 R)
• M10: 11,480,440 km (0.071 R)
• M11: 12,277,497 km (0.098 R)
• M12: 14,280,912 km (0.105 R)
• M13: 17,927,210 km (0.096 R)
• M14: 22,072,418 km (0.087 R)
• M15: 25,639,429 km (0.053 R)
• M16: 27,936,206 km (0.039 R)
• M17: 30,869,820 km (0.05 R)
• M18: 31,582,803 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.3

Radius: 11.8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 9.49 AU - 12.85 AU

Year: 13990 Days

Day: 8 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,412,004 km

• M1: 146,756 km (0.116 R)
• M2: 1,681,330 km (0.116 R)
• M3: 4,698,271 km (0.08 R)
• M4: 6,238,082 km (0.108 R)
• M5: 6,644,689 km (0.048 R)
• M6: 7,778,341 km (0.1 R)
• M7: 10,379,100 km (0.097 R)
• M8: 12,213,021 km (0.118 R)
• M9: 13,512,428 km (0.075 R)
• M10: 19,641,602 km (0.084 R)
• M11: 23,065,748 km (0.091 R)
• M12: 23,550,445 km (0.065 R)
• M13: 23,959,595 km (0.097 R)
• M14: 25,130,498 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.6

Radius: 5.6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 13.18 AU - 21 AU

Year: 26475 Days

Day: 23.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,412,004 km

• M1: 78,988 km (0.083 R)
• M2: 253,868 km (0.029 R)
• M3: 543,788 km (0.107 R)
• M4: 771,476 km (0.119 R)
• M5: 1,182,272 km (0.041 R)
• M6: 2,265,061 km (0.109 R)
• M7: 3,588,255 km (0.095 R)
• M8: 3,786,920 km (0.104 R)
• M9: 5,014,371 km (0.104 R)
• M10: 5,326,582 km (0.094 R)
• M11: 8,138,723 km (0.08 R)
• M12: 11,167,331 km (0.084 R)
• M13: 12,473,770 km (0.047 R)
• M14: 14,000,715 km (0.077 R)
• M15: 25,667,255 km (0.092 R)
• M16: 26,593,415 km (0.085 R)
• M17: 26,781,310 km (0.053 R)
• M18: 29,706,996 km (0.118 R)
• M19: 30,727,702 km (0.042 R)
• M20: 32,838,977 km (0.07 R)
• M21: 34,151,100 km (0.113 R)
• M22: 35,384,085 km (0.101 R)
• M23: 38,296,457 km (0.11 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 10,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit