🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.5 AU - 0.56 AU

Year: 253 Days

Day: 17.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.5

Radius: 14.9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.63 AU - 0.97 AU

Year: 469 Days

Day: 8.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,466,891 km

• M1: 185,352 km (0.049 R)
• M2: 942,317 km (0.086 R)
• M3: 1,557,763 km (0.117 R)
• M4: 2,121,597 km (0.113 R)
• M5: 2,660,299 km (0.059 R)
• M6: 4,113,193 km (0.081 R)
• M7: 4,931,045 km (0.11 R)
• M8: 5,452,543 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.8

Radius: 13.9

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.79 AU - 3.67 AU

Year: 3808 Days

Day: 14.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,466,891 km

• M1: 172,935 km (0.033 R)
• M2: 726,148 km (0.112 R)
• M3: 1,375,104 km (0.083 R)
• M4: 2,445,476 km (0.083 R)
• M5: 3,544,722 km (0.103 R)
• M6: 4,104,367 km (0.063 R)
• M7: 5,294,119 km (0.084 R)
• M8: 5,738,425 km (0.11 R)
• M9: 6,671,018 km (0.068 R)
• M10: 7,737,202 km (0.111 R)
• M11: 9,186,805 km (0.107 R)
• M12: 9,955,589 km (0.068 R)
• M13: 10,810,690 km (0.035 R)
• M14: 11,854,135 km (0.088 R)
• M15: 13,063,335 km (0.116 R)
• M16: 14,141,188 km (0.094 R)
• M17: 16,591,301 km (0.077 R)
• M18: 18,605,786 km (0.061 R)
• M19: 20,574,494 km (0.047 R)
• M20: 21,399,527 km (0.109 R)
• M21: 22,390,014 km (0.096 R)
• M22: 22,896,553 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.9

Radius: 10.7

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.7 AU - 6.52 AU

Year: 8717 Days

Day: 8.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,466,891 km

• M1: 133,142 km (0.051 R)
• M2: 499,806 km (0.113 R)
• M3: 857,944 km (0.1 R)
• M4: 1,375,702 km (0.082 R)
• M5: 1,797,867 km (0.041 R)
• M6: 2,191,758 km (0.112 R)
• M7: 2,757,538 km (0.116 R)
• M8: 3,102,361 km (0.072 R)
• M9: 3,495,653 km (0.112 R)
• M10: 3,922,307 km (0.085 R)
• M11: 4,452,481 km (0.072 R)
• M12: 4,905,464 km (0.103 R)
• M13: 5,336,754 km (0.049 R)
• M14: 5,821,003 km (0.106 R)
• M15: 6,971,111 km (0.026 R)
• M16: 8,057,641 km (0.052 R)
• M17: 10,276,177 km (0.111 R)
• M18: 11,027,308 km (0.091 R)
• M19: 12,874,393 km (0.092 R)
• M20: 16,943,006 km (0.119 R)
• M21: 19,643,098 km (0.1 R)
• M22: 22,756,529 km (0.117 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: 387 - 19,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit