🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.45 AU - 2.91 AU

Year: 1680 Days

Day: 36.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 21,390,841 km

• M1: 86,767 km (0.117 R)
• M2: 499,806 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.37 AU - 3.17 AU

Year: 1765 Days

Day: 43.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.4

Radius: 10.2

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.61 AU - 6.31 AU

Year: 4885 Days

Day: 10.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,390,841 km

• M1: 127,158 km (0.057 R)
• M2: 890,556 km (0.073 R)
• M3: 1,432,699 km (0.047 R)
• M4: 2,169,468 km (0.072 R)
• M5: 3,003,476 km (0.118 R)
• M6: 3,851,098 km (0.042 R)
• M7: 4,508,281 km (0.078 R)
• M8: 4,904,865 km (0.113 R)
• M9: 5,983,466 km (0.099 R)
• M10: 9,989,099 km (0.073 R)
• M11: 11,565,561 km (0.109 R)
• M12: 13,036,108 km (0.116 R)
• M13: 14,684,527 km (0.087 R)
• M14: 15,618,466 km (0.106 R)
• M15: 21,475,522 km (0.087 R)
• M16: 24,163,497 km (0.076 R)
• M17: 25,298,945 km (0.076 R)
• M18: 26,384,726 km (0.102 R)
• M19: 26,725,061 km (0.105 R)
• M20: 27,588,540 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.8

Radius: 9.8

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.45 AU - 6.69 AU

Year: 6448 Days

Day: 10.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,390,841 km

• M1: 165,754 km (0.068 R)
• M2: 476,170 km (0.053 R)
• M3: 787,782 km (0.096 R)
• M4: 1,709,904 km (0.045 R)
• M5: 2,487,065 km (0.101 R)
• M6: 3,311,199 km (0.107 R)
• M7: 3,984,390 km (0.045 R)
• M8: 4,825,579 km (0.069 R)
• M9: 7,323,115 km (0.055 R)
• M10: 8,939,969 km (0.112 R)
• M11: 11,413,570 km (0.051 R)
• M12: 12,865,267 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.1

Radius: 10.2

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.56 AU - 9.4 AU

Year: 9455 Days

Day: 8.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,390,841 km

• M1: 242,797 km (0.066 R)
• M2: 624,272 km (0.111 R)
• M3: 1,046,437 km (0.114 R)
• M4: 1,581,698 km (0.06 R)
• M5: 3,531,258 km (0.03 R)
• M6: 3,921,559 km (0.089 R)
• M7: 6,184,825 km (0.09 R)
• M8: 6,579,763 km (0.086 R)
• M9: 7,673,324 km (0.117 R)
• M10: 9,205,655 km (0.089 R)
• M11: 13,793,971 km (0.083 R)
• M12: 21,327,121 km (0.102 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: 333 - 17,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit