🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.5

Radius: 13.9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.61 AU - 0.69 AU

Year: 362 Days

Day: 9.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,858,157 km

• M1: 172,935 km (0.083 R)
• M2: 650,302 km (0.058 R)
• M3: 1,095,505 km (0.103 R)
• M4: 1,552,527 km (0.108 R)
• M5: 2,725,224 km (0.032 R)
• M6: 3,675,320 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.9

Radius: 14.1

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.62 AU - 0.8 AU

Year: 413 Days

Day: 7.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,858,157 km

• M1: 175,329 km (0.063 R)
• M2: 626,665 km (0.026 R)
• M3: 1,066,932 km (0.095 R)
• M4: 1,757,775 km (0.091 R)
• M5: 2,234,543 km (0.069 R)
• M6: 3,161,452 km (0.082 R)
• M7: 3,644,204 km (0.118 R)
• M8: 4,246,485 km (0.076 R)
• M9: 5,168,756 km (0.097 R)
• M10: 5,790,784 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.7

Radius: 10.2

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.03 AU - 1.27 AU

Year: 851 Days

Day: 6.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,858,157 km

• M1: 127,607 km (0.091 R)
• M2: 731,085 km (0.066 R)
• M3: 1,135,597 km (0.058 R)
• M4: 1,472,791 km (0.074 R)
• M5: 1,928,466 km (0.104 R)
• M6: 2,268,951 km (0.097 R)
• M7: 2,872,878 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.9

Radius: 7

Gravity: 19.57 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.64 AU - 9.84 AU

Year: 17835 Days

Day: 20.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,858,157 km

• M1: 87,964 km (0.11 R)
• M2: 352,901 km (0.118 R)
• M3: 662,120 km (0.108 R)
• M4: 1,654,852 km (0.096 R)
• M5: 2,300,067 km (0.09 R)
• M6: 2,620,057 km (0.058 R)
• M7: 3,265,722 km (0.077 R)
• M8: 3,792,904 km (0.115 R)
• M9: 4,688,098 km (0.093 R)
• M10: 5,595,858 km (0.089 R)
• M11: 5,840,002 km (0.079 R)
• M12: 6,660,845 km (0.083 R)
• M13: 7,265,071 km (0.079 R)
• M14: 8,161,312 km (0.065 R)
• M15: 9,583,240 km (0.118 R)
• M16: 10,413,657 km (0.106 R)
• M17: 11,485,526 km (0.055 R)
• M18: 11,748,070 km (0.109 R)
• M19: 15,140,501 km (0.106 R)
• M20: 17,186,851 km (0.093 R)
• M21: 17,617,244 km (0.085 R)
• M22: 18,231,642 km (0.095 R)
• M23: 19,596,573 km (0.081 R)
• M24: 22,836,564 km (0.119 R)
• M25: 35,630,024 km (0.052 R)
• M26: 43,201,920 km (0.071 R)
• M27: 43,997,332 km (0.074 R)
• M28: 46,775,065 km (0.09 R)
• M29: 51,779,413 km (0.036 R)
• M30: 64,062,296 km (0.115 R)
• M31: 65,722,085 km (0.109 R)
• M32: 68,480,071 km (0.08 R)
• M33: 72,872,414 km (0.111 R)
• M34: 74,225,826 km (0.106 R)
• M35: 76,287,135 km (0.117 R)
• M36: 77,215,539 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 19,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit