🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.55 AU - 0.57 AU

Year: 160 Days

Day: 29.7 Hours

Environment

Temp: 208 °C

Axial Tilt: 13.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 22,627,172 km

• M1: 168,148 km (0.111 R)
• M2: 239,207 km (0.032 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.67 AU - 1.09 AU

Year: 316 Days

Day: 43.5 Hours

Environment

Temp: 14 °C

Axial Tilt: 15.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.7

Radius: 12.3

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.08 AU - 4.14 AU

Year: 3190 Days

Day: 11.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,627,172 km

• M1: 153,039 km (0.1 R)
• M2: 623,225 km (0.086 R)
• M3: 1,219,671 km (0.075 R)
• M4: 1,807,890 km (0.095 R)
• M5: 2,381,299 km (0.117 R)
• M6: 2,967,274 km (0.109 R)
• M7: 5,435,040 km (0.108 R)
• M8: 7,177,855 km (0.061 R)
• M9: 7,717,305 km (0.086 R)
• M10: 8,253,165 km (0.117 R)
• M11: 8,686,999 km (0.095 R)
• M12: 9,399,683 km (0.101 R)
• M13: 11,695,861 km (0.088 R)
• M14: 14,655,954 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.1

Radius: 14.4

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.45 AU - 5.67 AU

Year: 3728 Days

Day: 7.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,627,172 km

• M1: 179,069 km (0.113 R)
• M2: 815,907 km (0.076 R)
• M3: 1,380,639 km (0.058 R)
• M4: 2,045,152 km (0.098 R)
• M5: 3,056,584 km (0.035 R)
• M6: 4,848,916 km (0.099 R)
• M7: 5,642,682 km (0.059 R)
• M8: 7,136,118 km (0.062 R)
• M9: 8,304,627 km (0.102 R)
• M10: 9,481,214 km (0.028 R)
• M11: 10,724,372 km (0.116 R)
• M12: 14,280,762 km (0.107 R)
• M13: 17,723,907 km (0.062 R)
• M14: 18,618,801 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.9

Radius: 14.7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.41 AU - 6.07 AU

Year: 5265 Days

Day: 13.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,627,172 km

• M1: 182,809 km (0.056 R)
• M2: 664,963 km (0.116 R)
• M3: 1,473,689 km (0.105 R)
• M4: 1,979,778 km (0.067 R)
• M5: 2,513,095 km (0.081 R)
• M6: 3,356,976 km (0.097 R)
• M7: 3,816,092 km (0.096 R)
• M8: 4,427,499 km (0.116 R)
• M9: 5,202,416 km (0.061 R)
• M10: 7,365,302 km (0.108 R)
• M11: 8,386,756 km (0.106 R)
• M12: 8,949,992 km (0.063 R)
• M13: 10,429,365 km (0.058 R)
• M14: 11,460,244 km (0.104 R)
• M15: 12,467,636 km (0.101 R)
• M16: 13,249,584 km (0.089 R)
• M17: 14,359,301 km (0.114 R)
• M18: 18,119,892 km (0.104 R)
• M19: 21,828,872 km (0.073 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 14,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit