🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.25 AU - 1.47 AU

Year: 594 Days

Day: 25.1 Hours

Environment

Temp: -27 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.2 AU - 1.6 AU

Year: 621 Days

Day: 42.9 Hours

Environment

Temp: -41 °C

Axial Tilt: 54.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.9

Radius: 10

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.55 AU - 8.29 AU

Year: 8352 Days

Day: 5.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,730,915 km

• M1: 126,410 km (0.097 R)
• M2: 536,458 km (0.045 R)
• M3: 1,584,690 km (0.072 R)
• M4: 2,211,805 km (0.086 R)
• M5: 2,666,432 km (0.098 R)
• M6: 3,354,583 km (0.074 R)
• M7: 4,207,739 km (0.094 R)
• M8: 4,881,079 km (0.099 R)
• M9: 5,378,791 km (0.109 R)
• M10: 7,716,408 km (0.071 R)
• M11: 8,893,893 km (0.115 R)
• M12: 11,858,623 km (0.063 R)
• M13: 12,489,926 km (0.071 R)
• M14: 19,362,303 km (0.078 R)
• M15: 23,022,514 km (0.089 R)
• M16: 25,186,148 km (0.092 R)
• M17: 30,300,002 km (0.1 R)
• M18: 33,616,586 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.1

Radius: 6.7

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 12.5 AU - 13.76 AU

Year: 17829 Days

Day: 20.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,730,915 km

• M1: 91,105 km (0.118 R)
• M2: 417,677 km (0.09 R)
• M3: 749,186 km (0.093 R)
• M4: 1,572,274 km (0.115 R)
• M5: 2,473,302 km (0.059 R)
• M6: 5,264,947 km (0.115 R)
• M7: 5,861,095 km (0.055 R)
• M8: 7,807,363 km (0.084 R)
• M9: 24,339,424 km (0.037 R)
• M10: 25,152,339 km (0.059 R)
• M11: 26,151,653 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.2

Radius: 7.1

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 12.32 AU - 14.32 AU

Year: 18217 Days

Day: 15.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,730,915 km

• M1: 89,011 km (0.106 R)
• M2: 708,047 km (0.087 R)
• M3: 1,016,518 km (0.026 R)
• M4: 1,427,313 km (0.109 R)
• M5: 1,841,849 km (0.076 R)
• M6: 2,294,981 km (0.12 R)
• M7: 2,516,835 km (0.101 R)
• M8: 3,245,675 km (0.081 R)
• M9: 3,632,535 km (0.09 R)
• M10: 4,436,474 km (0.101 R)
• M11: 6,630,626 km (0.069 R)
• M12: 10,089,030 km (0.103 R)
• M13: 12,507,579 km (0.105 R)
• M14: 16,896,481 km (0.085 R)
• M15: 17,820,098 km (0.104 R)
• M16: 18,776,926 km (0.084 R)
• M17: 19,600,163 km (0.048 R)
• M18: 21,318,295 km (0.077 R)
• M19: 21,673,590 km (0.114 R)
• M20: 22,395,998 km (0.08 R)
• M21: 26,659,238 km (0.087 R)
• M22: 39,750,997 km (0.053 R)
• M23: 45,649,192 km (0.103 R)
• M24: 52,749,705 km (0.111 R)
• M25: 54,550,415 km (0.092 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 18,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit