🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.2

Radius: 12.2

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.48 AU - 0.74 AU

Year: 318 Days

Day: 6.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,700,062 km

• M1: 151,692 km (0.07 R)
• M2: 616,942 km (0.032 R)
• M3: 1,111,512 km (0.115 R)
• M4: 2,222,875 km (0.105 R)
• M5: 2,637,710 km (0.119 R)
• M6: 3,592,294 km (0.085 R)
• M7: 3,981,996 km (0.058 R)
• M8: 4,559,594 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.5

Radius: 15

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.5 AU - 2.84 AU

Year: 2909 Days

Day: 13.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,700,062 km

• M1: 186,549 km (0.072 R)
• M2: 701,464 km (0.105 R)
• M3: 1,319,603 km (0.052 R)
• M4: 2,931,520 km (0.082 R)
• M5: 4,267,279 km (0.05 R)
• M6: 6,126,930 km (0.093 R)
• M7: 9,086,575 km (0.046 R)
• M8: 12,004,780 km (0.068 R)
• M9: 12,606,912 km (0.113 R)
• M10: 13,784,995 km (0.111 R)
• M11: 15,593,932 km (0.088 R)
• M12: 16,069,953 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.7

Radius: 11

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.42 AU - 3.34 AU

Year: 3259 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,700,062 km

• M1: 137,331 km (0.069 R)
• M2: 734,825 km (0.118 R)
• M3: 1,078,002 km (0.105 R)
• M4: 1,660,536 km (0.112 R)
• M5: 2,050,837 km (0.108 R)
• M6: 2,514,591 km (0.087 R)
• M7: 3,385,549 km (0.115 R)
• M8: 5,469,747 km (0.095 R)
• M9: 6,346,241 km (0.086 R)
• M10: 7,289,156 km (0.112 R)
• M11: 7,950,528 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.7

Radius: 13.3

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.51 AU - 4.09 AU

Year: 4940 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,700,062 km

• M1: 165,455 km (0.062 R)
• M2: 837,150 km (0.1 R)
• M3: 3,443,444 km (0.113 R)
• M4: 5,538,861 km (0.066 R)
• M5: 6,786,208 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.8

Radius: 3.5

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.85 AU - 12.33 AU

Year: 21373 Days

Day: 23.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,700,062 km

• M1: 43,533 km (0.075 R)
• M2: 340,335 km (0.116 R)
• M3: 861,684 km (0.105 R)
• M4: 1,152,203 km (0.07 R)
• M5: 1,465,162 km (0.101 R)
• M6: 1,599,500 km (0.037 R)
• M7: 3,436,413 km (0.082 R)
• M8: 4,739,410 km (0.082 R)
• M9: 11,106,146 km (0.117 R)
• M10: 15,794,693 km (0.085 R)
• M11: 16,518,597 km (0.109 R)
• M12: 17,610,512 km (0.099 R)
• M13: 32,851,543 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 11,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit