🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.74 AU - 0.9 AU

Year: 283 Days

Day: 32.9 Hours

Environment

Temp: 84 °C

Axial Tilt: 10.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.08 AU - 1.42 AU

Year: 532 Days

Day: 15.7 Hours

Environment

Temp: -37 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.3

Radius: 13.2

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.64 AU - 6.08 AU

Year: 4725 Days

Day: 7.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,204,240 km

• M1: 164,109 km (0.098 R)
• M2: 596,148 km (0.08 R)
• M3: 1,378,694 km (0.074 R)
• M4: 1,850,376 km (0.115 R)
• M5: 2,362,001 km (0.115 R)
• M6: 2,780,276 km (0.094 R)
• M7: 3,214,559 km (0.093 R)
• M8: 3,903,607 km (0.069 R)
• M9: 4,981,310 km (0.079 R)
• M10: 5,753,235 km (0.118 R)
• M11: 6,356,264 km (0.03 R)
• M12: 7,235,600 km (0.077 R)
• M13: 7,907,743 km (0.03 R)
• M14: 9,236,322 km (0.073 R)
• M15: 9,844,138 km (0.089 R)
• M16: 11,021,174 km (0.113 R)
• M17: 11,953,618 km (0.081 R)
• M18: 13,608,470 km (0.087 R)
• M19: 14,068,333 km (0.044 R)
• M20: 17,208,692 km (0.073 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.7

Radius: 4.7

Gravity: 16.06 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 14.14 AU - 22.22 AU

Year: 29518 Days

Day: 21.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,204,240 km

• M1: 73,153 km (0.069 R)
• M2: 427,102 km (0.099 R)
• M3: 1,125,425 km (0.093 R)
• M4: 1,295,069 km (0.101 R)
• M5: 1,651,112 km (0.044 R)
• M6: 1,949,111 km (0.05 R)
• M7: 2,216,891 km (0.083 R)
• M8: 2,555,880 km (0.057 R)
• M9: 3,141,854 km (0.047 R)
• M10: 4,100,029 km (0.09 R)
• M11: 5,316,110 km (0.072 R)
• M12: 5,756,227 km (0.086 R)
• M13: 7,662,104 km (0.116 R)
• M14: 9,657,889 km (0.047 R)
• M15: 10,619,055 km (0.105 R)
• M16: 10,869,033 km (0.081 R)
• M17: 13,515,719 km (0.086 R)
• M18: 19,943,042 km (0.111 R)
• M19: 20,323,619 km (0.118 R)
• M20: 23,862,506 km (0.051 R)
• M21: 24,183,693 km (0.097 R)
• M22: 31,101,248 km (0.118 R)
• M23: 35,910,221 km (0.097 R)
• M24: 36,899,512 km (0.115 R)
• M25: 43,696,940 km (0.097 R)
• M26: 50,224,194 km (0.082 R)
• M27: 56,042,055 km (0.047 R)
• M28: 56,609,480 km (0.117 R)
• M29: 70,960,553 km (0.094 R)
• M30: 72,292,722 km (0.047 R)
• M31: 75,006,876 km (0.076 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: 374 - 10,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit