🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.7 AU - 0.88 AU

Year: 249 Days

Day: 25.5 Hours

Environment

Temp: 206 °C

Axial Tilt: 9.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,612,951 km

• M1: 411,993 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.47 AU - 1.51 AU

Year: 645 Days

Day: 22.4 Hours

Environment

Temp: 6 °C

Axial Tilt: 15.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 74,612,951 km

• M1: 50,714 km (0.118 R)
• M2: 352,004 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.57 AU - 2.69 AU

Year: 1513 Days

Day: 29.9 Hours

Environment

Temp: -77 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,612,951 km

• M1: 77,940 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.1

Radius: 3.9

Gravity: 28.21 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 14.12 AU - 19.58 AU

Year: 24538 Days

Day: 16.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,612,951 km

• M1: 48,919 km (0.075 R)
• M2: 305,180 km (0.109 R)
• M3: 1,404,874 km (0.071 R)
• M4: 1,650,513 km (0.107 R)
• M5: 2,291,391 km (0.099 R)
• M6: 2,752,601 km (0.073 R)
• M7: 3,272,902 km (0.082 R)
• M8: 4,075,794 km (0.085 R)
• M9: 5,225,304 km (0.084 R)
• M10: 6,018,322 km (0.118 R)
• M11: 7,026,014 km (0.112 R)
• M12: 7,353,783 km (0.092 R)
• M13: 7,642,656 km (0.118 R)
• M14: 8,192,129 km (0.099 R)
• M15: 9,481,363 km (0.118 R)
• M16: 9,708,603 km (0.093 R)
• M17: 11,986,529 km (0.086 R)
• M18: 12,658,224 km (0.045 R)
• M19: 12,864,669 km (0.06 R)
• M20: 13,354,752 km (0.066 R)
• M21: 16,478,654 km (0.034 R)
• M22: 16,642,464 km (0.063 R)
• M23: 16,807,321 km (0.08 R)
• M24: 17,140,176 km (0.11 R)
• M25: 17,392,847 km (0.088 R)
• M26: 17,647,911 km (0.073 R)
• M27: 24,014,946 km (0.052 R)
• M28: 24,331,196 km (0.105 R)
• M29: 27,879,508 km (0.106 R)
• M30: 30,141,428 km (0.058 R)
• M31: 35,980,382 km (0.106 R)
• M32: 38,082,532 km (0.077 R)
• M33: 39,090,971 km (0.107 R)
• M34: 41,010,760 km (0.112 R)
• M35: 49,318,977 km (0.118 R)
• M36: 53,326,106 km (0.116 R)
• M37: 56,609,330 km (0.116 R)
• M38: 56,795,729 km (0.1 R)
• M39: 64,789,192 km (0.044 R)
• M40: 70,227,972 km (0.101 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 20,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit