🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.92 AU - 0.96 AU

Year: 320 Days

Day: 46.1 Hours

Environment

Temp: 91 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.93 AU - 5.71 AU

Year: 3719 Days

Day: 22.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 46.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 14.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764

Radius: 7.4

Gravity: 13.95 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 10.94 AU - 17.28 AU

Year: 18628 Days

Day: 15.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,557,980 km

• M1: 106,663 km (0.078 R)
• M2: 423,512 km (0.082 R)
• M3: 914,342 km (0.079 R)
• M4: 1,759,720 km (0.094 R)
• M5: 2,121,447 km (0.12 R)
• M6: 2,441,437 km (0.074 R)
• M7: 2,793,291 km (0.115 R)
• M8: 3,098,770 km (0.063 R)
• M9: 5,085,280 km (0.111 R)
• M10: 6,494,941 km (0.109 R)
• M11: 7,456,107 km (0.105 R)
• M12: 11,602,063 km (0.054 R)
• M13: 12,666,003 km (0.1 R)
• M14: 12,941,712 km (0.065 R)
• M15: 13,649,011 km (0.094 R)
• M16: 16,985,791 km (0.116 R)
• M17: 18,267,246 km (0.101 R)
• M18: 19,337,918 km (0.12 R)
• M19: 28,381,708 km (0.116 R)
• M20: 29,573,405 km (0.116 R)
• M21: 34,675,440 km (0.049 R)
• M22: 36,730,765 km (0.089 R)
• M23: 41,687,391 km (0.101 R)
• M24: 46,907,460 km (0.062 R)
• M25: 48,739,884 km (0.077 R)
• M26: 49,078,125 km (0.094 R)
• M27: 55,621,087 km (0.092 R)
• M28: 57,108,538 km (0.109 R)
• M29: 58,241,144 km (0.114 R)
• M30: 69,545,208 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.6

Radius: 5.2

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 11.25 AU - 17.41 AU

Year: 19065 Days

Day: 23.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,557,980 km

• M1: 64,626 km (0.068 R)
• M2: 228,586 km (0.074 R)
• M3: 568,622 km (0.106 R)
• M4: 776,413 km (0.061 R)
• M5: 1,045,988 km (0.119 R)
• M6: 2,091,229 km (0.105 R)
• M7: 2,572,635 km (0.118 R)
• M8: 2,979,690 km (0.116 R)
• M9: 3,669,636 km (0.069 R)
• M10: 4,491,826 km (0.109 R)
• M11: 4,813,311 km (0.081 R)
• M12: 5,115,649 km (0.108 R)
• M13: 6,215,492 km (0.037 R)
• M14: 6,904,241 km (0.082 R)
• M15: 7,508,766 km (0.113 R)
• M16: 7,915,523 km (0.112 R)
• M17: 8,528,874 km (0.116 R)
• M18: 9,275,218 km (0.094 R)
• M19: 11,477,448 km (0.082 R)
• M20: 11,715,159 km (0.089 R)
• M21: 12,825,923 km (0.087 R)
• M22: 16,501,992 km (0.088 R)
• M23: 23,385,289 km (0.118 R)
• M24: 23,863,852 km (0.067 R)
• M25: 24,642,958 km (0.084 R)
• M26: 25,438,968 km (0.062 R)
• M27: 27,609,783 km (0.053 R)
• M28: 30,464,709 km (0.093 R)
• M29: 30,806,241 km (0.046 R)
• M30: 33,149,093 km (0.071 R)
• M31: 47,723,815 km (0.089 R)
• M32: 49,899,267 km (0.075 R)
• M33: 52,792,191 km (0.089 R)
• M34: 54,446,743 km (0.092 R)
• M35: 56,477,385 km (0.114 R)
• M36: 57,511,405 km (0.053 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 19,667 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit