🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.2

Radius: 13.1

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.83 AU - 1.18 AU

Year: 656 Days

Day: 9.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,760,047 km

• M1: 163,062 km (0.062 R)
• M2: 625,170 km (0.089 R)
• M3: 1,209,648 km (0.059 R)
• M4: 1,707,360 km (0.106 R)
• M5: 2,391,771 km (0.105 R)
• M6: 2,987,918 km (0.101 R)
• M7: 3,456,459 km (0.102 R)
• M8: 3,903,158 km (0.119 R)
• M9: 4,403,862 km (0.098 R)
• M10: 5,375,351 km (0.117 R)
• M11: 6,790,098 km (0.11 R)
• M12: 7,276,889 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 14.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.21 AU - 1.63 AU

Year: 1110 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,760,047 km

• M1: 184,005 km (0.116 R)
• M2: 771,626 km (0.114 R)
• M3: 1,241,363 km (0.111 R)
• M4: 1,751,791 km (0.106 R)
• M5: 2,293,635 km (0.043 R)
• M6: 3,531,707 km (0.119 R)
• M7: 4,042,134 km (0.119 R)
• M8: 4,602,229 km (0.106 R)
• M9: 5,125,821 km (0.092 R)
• M10: 5,879,645 km (0.11 R)
• M11: 7,359,766 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.9

Radius: 12.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.69 AU - 5.53 AU

Year: 7578 Days

Day: 9 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,760,047 km

• M1: 157,975 km (0.078 R)
• M2: 635,193 km (0.063 R)
• M3: 2,216,442 km (0.077 R)
• M4: 2,997,343 km (0.067 R)
• M5: 3,911,536 km (0.115 R)
• M6: 4,586,970 km (0.119 R)
• M7: 5,662,279 km (0.055 R)
• M8: 6,378,105 km (0.076 R)
• M9: 8,743,696 km (0.034 R)
• M10: 9,820,502 km (0.088 R)
• M11: 10,474,394 km (0.087 R)
• M12: 11,200,841 km (0.096 R)
• M13: 11,824,066 km (0.112 R)
• M14: 13,335,753 km (0.114 R)
• M15: 13,934,742 km (0.113 R)
• M16: 14,656,103 km (0.109 R)
• M17: 16,285,673 km (0.098 R)
• M18: 17,673,941 km (0.069 R)
• M19: 18,153,702 km (0.117 R)
• M20: 19,265,363 km (0.103 R)
• M21: 20,487,279 km (0.116 R)
• M22: 22,381,487 km (0.067 R)
• M23: 23,156,703 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.8

Radius: 5.6

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.75 AU - 10.45 AU

Year: 18008 Days

Day: 15.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,760,047 km

• M1: 70,909 km (0.077 R)
• M2: 339,138 km (0.101 R)
• M3: 621,729 km (0.051 R)
• M4: 1,370,616 km (0.119 R)
• M5: 3,703,146 km (0.11 R)
• M6: 6,243,467 km (0.046 R)
• M7: 12,802,287 km (0.072 R)
• M8: 19,683,639 km (0.026 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 13,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit