🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.8

Radius: 8.6

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.49 AU - 0.69 AU

Year: 307 Days

Day: 14.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,506,391 km

• M1: 106,962 km (0.034 R)
• M2: 474,674 km (0.04 R)
• M3: 744,997 km (0.116 R)
• M4: 1,096,552 km (0.1 R)
• M5: 1,431,502 km (0.099 R)
• M6: 1,722,619 km (0.101 R)
• M7: 2,053,380 km (0.052 R)
• M8: 2,691,864 km (0.079 R)
• M9: 3,186,883 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.1

Radius: 13.9

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.59 AU - 0.81 AU

Year: 397 Days

Day: 5.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,506,391 km

• M1: 173,534 km (0.082 R)
• M2: 610,808 km (0.065 R)
• M3: 1,320,351 km (0.069 R)
• M4: 1,888,075 km (0.109 R)
• M5: 2,361,103 km (0.048 R)
• M6: 2,871,830 km (0.101 R)
• M7: 3,326,309 km (0.028 R)
• M8: 3,999,200 km (0.079 R)
• M9: 4,806,580 km (0.102 R)
• M10: 5,452,543 km (0.115 R)
• M11: 5,909,265 km (0.068 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.4

Radius: 7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.41 AU - 9.61 AU

Year: 18343 Days

Day: 16.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,506,391 km

• M1: 89,011 km (0.047 R)
• M2: 730,486 km (0.074 R)
• M3: 2,748,412 km (0.104 R)
• M4: 3,264,674 km (0.117 R)
• M5: 3,867,404 km (0.088 R)
• M6: 8,880,878 km (0.072 R)
• M7: 9,132,202 km (0.077 R)
• M8: 15,937,110 km (0.105 R)
• M9: 17,588,670 km (0.093 R)
• M10: 21,302,737 km (0.111 R)
• M11: 24,022,875 km (0.095 R)
• M12: 24,347,801 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.3

Radius: 6

Gravity: 24.9 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 8.1 AU - 12.66 AU

Year: 22682 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,506,391 km

• M1: 255,513 km (0.075 R)
• M2: 745,147 km (0.105 R)
• M3: 986,000 km (0.117 R)
• M4: 1,701,077 km (0.098 R)
• M5: 2,565,454 km (0.072 R)
• M6: 3,065,709 km (0.057 R)
• M7: 3,265,722 km (0.082 R)
• M8: 3,723,940 km (0.09 R)
• M9: 4,400,122 km (0.091 R)
• M10: 10,779,125 km (0.047 R)
• M11: 11,721,143 km (0.115 R)
• M12: 12,937,373 km (0.101 R)
• M13: 14,314,422 km (0.119 R)
• M14: 15,284,863 km (0.108 R)
• M15: 17,718,970 km (0.096 R)
• M16: 27,517,481 km (0.1 R)
• M17: 30,960,027 km (0.064 R)
• M18: 32,441,196 km (0.09 R)
• M19: 40,086,245 km (0.077 R)
• M20: 49,390,485 km (0.069 R)
• M21: 52,911,869 km (0.108 R)
• M22: 62,970,531 km (0.029 R)
• M23: 82,099,760 km (0.03 R)
• M24: 87,289,759 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 18,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit