🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.65 AU - 0.69 AU

Year: 238 Days

Day: 22.7 Hours

Environment

Temp: -2 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,435,088 km

• M1: 44,730 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.72 AU - 0.98 AU

Year: 340 Days

Day: 23.4 Hours

Environment

Temp: -35 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.5

Radius: 14.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.46 AU - 4.96 AU

Year: 3744 Days

Day: 9.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,435,088 km

• M1: 175,329 km (0.032 R)
• M2: 735,573 km (0.091 R)
• M3: 1,362,388 km (0.115 R)
• M4: 2,614,971 km (0.085 R)
• M5: 3,567,311 km (0.089 R)
• M6: 4,636,487 km (0.063 R)
• M7: 5,080,792 km (0.1 R)
• M8: 5,933,949 km (0.094 R)
• M9: 6,408,025 km (0.102 R)
• M10: 7,180,698 km (0.12 R)
• M11: 7,749,170 km (0.113 R)
• M12: 9,204,458 km (0.075 R)
• M13: 10,119,099 km (0.09 R)
• M14: 10,725,569 km (0.072 R)
• M15: 11,546,263 km (0.092 R)
• M16: 12,208,981 km (0.061 R)
• M17: 13,062,288 km (0.094 R)
• M18: 13,998,770 km (0.114 R)
• M19: 15,254,644 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.8

Radius: 6.4

Gravity: 21.89 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 9.63 AU - 12.45 AU

Year: 15901 Days

Day: 16.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,435,088 km

• M1: 79,586 km (0.118 R)
• M2: 306,227 km (0.088 R)
• M3: 524,041 km (0.084 R)
• M4: 759,508 km (0.068 R)
• M5: 1,129,015 km (0.119 R)
• M6: 1,468,602 km (0.11 R)
• M7: 3,035,191 km (0.099 R)
• M8: 3,408,737 km (0.117 R)
• M9: 3,903,008 km (0.093 R)
• M10: 4,443,954 km (0.12 R)
• M11: 5,328,527 km (0.078 R)
• M12: 6,199,485 km (0.082 R)
• M13: 7,535,394 km (0.102 R)
• M14: 9,434,091 km (0.076 R)
• M15: 10,464,072 km (0.109 R)
• M16: 11,253,201 km (0.098 R)
• M17: 13,786,940 km (0.037 R)
• M18: 18,872,819 km (0.076 R)
• M19: 20,593,942 km (0.082 R)
• M20: 31,279,419 km (0.061 R)
• M21: 32,655,719 km (0.12 R)
• M22: 38,282,394 km (0.04 R)
• M23: 45,307,510 km (0.078 R)
• M24: 46,582,982 km (0.084 R)
• M25: 49,707,782 km (0.114 R)
• M26: 55,643,227 km (0.106 R)
• M27: 60,872,421 km (0.063 R)
• M28: 62,229,124 km (0.112 R)
• M29: 66,419,809 km (0.086 R)
• M30: 67,857,445 km (0.098 R)
• M31: 70,158,409 km (0.093 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: 313 - 16,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit