🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.3

Radius: 9.4

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.27 AU - 5.95 AU

Year: 4375 Days

Day: 6.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,411,517 km

• M1: 116,836 km (0.117 R)
• M2: 618,138 km (0.039 R)
• M3: 2,161,390 km (0.115 R)
• M4: 2,536,432 km (0.073 R)
• M5: 3,576,885 km (0.108 R)
• M6: 4,731,930 km (0.119 R)
• M7: 6,444,078 km (0.098 R)
• M8: 8,000,644 km (0.064 R)
• M9: 11,930,580 km (0.112 R)
• M10: 14,778,474 km (0.073 R)
• M11: 15,311,641 km (0.086 R)
• M12: 15,802,322 km (0.104 R)
• M13: 19,220,185 km (0.112 R)
• M14: 20,570,455 km (0.068 R)
• M15: 21,914,143 km (0.044 R)
• M16: 22,537,518 km (0.045 R)
• M17: 24,775,651 km (0.064 R)
• M18: 25,074,847 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.4

Radius: 13

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.99 AU - 5.57 AU

Year: 4595 Days

Day: 11.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,411,517 km

• M1: 161,715 km (0.036 R)
• M2: 632,949 km (0.115 R)
• M3: 1,190,350 km (0.066 R)
• M4: 1,609,823 km (0.063 R)
• M5: 2,057,420 km (0.087 R)
• M6: 2,622,750 km (0.118 R)
• M7: 3,037,286 km (0.047 R)
• M8: 3,909,292 km (0.037 R)
• M9: 6,592,030 km (0.065 R)
• M10: 7,090,789 km (0.066 R)
• M11: 8,277,250 km (0.108 R)
• M12: 9,973,690 km (0.055 R)
• M13: 10,813,084 km (0.119 R)
• M14: 11,940,004 km (0.113 R)
• M15: 14,152,707 km (0.106 R)
• M16: 14,704,274 km (0.091 R)
• M17: 16,687,343 km (0.096 R)
• M18: 18,255,279 km (0.048 R)
• M19: 20,194,665 km (0.116 R)
• M20: 22,047,136 km (0.072 R)
• M21: 29,246,833 km (0.115 R)
• M22: 29,692,485 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.2

Radius: 9.3

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.49 AU - 6.75 AU

Year: 6451 Days

Day: 7.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,411,517 km

• M1: 117,883 km (0.047 R)
• M2: 933,790 km (0.108 R)
• M3: 1,689,858 km (0.072 R)
• M4: 2,915,513 km (0.093 R)
• M5: 4,161,065 km (0.076 R)
• M6: 7,106,198 km (0.11 R)
• M7: 11,216,400 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.8

Radius: 5.8

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 11.42 AU - 15.08 AU

Year: 18267 Days

Day: 15.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,411,517 km

• M1: 91,703 km (0.056 R)
• M2: 370,704 km (0.039 R)
• M3: 967,150 km (0.101 R)
• M4: 1,325,437 km (0.114 R)
• M5: 5,232,036 km (0.075 R)
• M6: 6,516,782 km (0.093 R)
• M7: 7,780,585 km (0.032 R)
• M8: 11,054,535 km (0.083 R)
• M9: 11,386,193 km (0.077 R)
• M10: 11,611,039 km (0.087 R)
• M11: 15,009,902 km (0.079 R)
• M12: 19,255,340 km (0.092 R)
• M13: 23,413,712 km (0.12 R)
• M14: 33,449,934 km (0.072 R)
• M15: 33,680,165 km (0.102 R)
• M16: 36,161,246 km (0.077 R)
• M17: 44,888,187 km (0.12 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 17,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit