🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.59 AU - 0.75 AU

Year: 360 Days

Day: 28.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 19,761,634 km

• M1: 44,730 km (0.069 R)
• M2: 884,423 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631

Radius: 11.4

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.91 AU - 1.43 AU

Year: 830 Days

Day: 8.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,761,634 km

• M1: 141,819 km (0.062 R)
• M2: 522,695 km (0.077 R)
• M3: 1,037,012 km (0.113 R)
• M4: 1,602,792 km (0.051 R)
• M5: 1,963,023 km (0.034 R)
• M6: 2,346,592 km (0.088 R)
• M7: 2,863,902 km (0.06 R)
• M8: 3,415,319 km (0.105 R)
• M9: 5,281,553 km (0.11 R)
• M10: 5,932,902 km (0.075 R)
• M11: 7,099,317 km (0.052 R)
• M12: 7,748,871 km (0.114 R)
• M13: 8,311,957 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 14.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.07 AU - 1.61 AU

Year: 1018 Days

Day: 12.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,761,634 km

• M1: 176,675 km (0.048 R)
• M2: 784,940 km (0.062 R)
• M3: 1,364,781 km (0.055 R)
• M4: 1,816,567 km (0.107 R)
• M5: 2,682,888 km (0.097 R)
• M6: 3,857,082 km (0.045 R)
• M7: 5,195,384 km (0.099 R)
• M8: 6,393,663 km (0.102 R)
• M9: 7,493,956 km (0.104 R)
• M10: 10,404,981 km (0.095 R)

Asteroid Belt

Center: 1.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.2

Radius: 9.1

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.89 AU - 3.05 AU

Year: 2547 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,761,634 km

• M1: 129,552 km (0.038 R)
• M2: 643,720 km (0.112 R)
• M3: 1,092,364 km (0.102 R)
• M4: 1,764,208 km (0.12 R)
• M5: 2,232,299 km (0.09 R)
• M6: 2,689,022 km (0.116 R)
• M7: 3,790,361 km (0.08 R)
• M8: 4,529,225 km (0.106 R)
• M9: 4,910,101 km (0.087 R)
• M10: 6,511,846 km (0.115 R)
• M11: 8,402,314 km (0.098 R)
• M12: 9,330,270 km (0.104 R)
• M13: 9,654,149 km (0.08 R)
• M14: 10,555,177 km (0.09 R)
• M15: 12,394,034 km (0.096 R)
• M16: 15,363,402 km (0.089 R)
• M17: 15,866,649 km (0.089 R)
• M18: 18,606,086 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 17,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit