🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.3

Radius: 11.7

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.59 AU - 0.61 AU

Year: 315 Days

Day: 6.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,860,698 km

• M1: 145,559 km (0.1 R)
• M2: 524,640 km (0.084 R)
• M3: 1,239,119 km (0.098 R)
• M4: 1,740,122 km (0.106 R)
• M5: 2,277,628 km (0.107 R)
• M6: 2,991,060 km (0.11 R)
• M7: 3,917,669 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.9

Radius: 8.7

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.78 AU - 0.88 AU

Year: 513 Days

Day: 6.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,860,698 km

• M1: 108,159 km (0.107 R)
• M2: 441,613 km (0.111 R)
• M3: 736,321 km (0.118 R)
• M4: 1,069,026 km (0.089 R)
• M5: 1,403,078 km (0.098 R)
• M6: 1,715,588 km (0.105 R)
• M7: 2,436,052 km (0.109 R)
• M8: 2,744,523 km (0.051 R)
• M9: 3,067,804 km (0.102 R)
• M10: 3,514,054 km (0.111 R)
• M11: 4,377,383 km (0.118 R)
• M12: 4,729,686 km (0.087 R)
• M13: 5,643,131 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774

Radius: 13.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.03 AU - 2.15 AU

Year: 2049 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,860,698 km

• M1: 172,187 km (0.094 R)
• M2: 617,241 km (0.104 R)
• M3: 1,304,643 km (0.081 R)
• M4: 3,156,814 km (0.11 R)
• M5: 4,286,428 km (0.106 R)
• M6: 5,089,020 km (0.059 R)
• M7: 5,526,594 km (0.04 R)
• M8: 6,115,711 km (0.118 R)
• M9: 6,719,338 km (0.037 R)
• M10: 7,247,718 km (0.065 R)
• M11: 8,294,005 km (0.061 R)
• M12: 9,576,059 km (0.08 R)
• M13: 10,760,874 km (0.115 R)
• M14: 11,920,706 km (0.094 R)
• M15: 12,697,269 km (0.088 R)
• M16: 15,950,424 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.4

Radius: 6.9

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.9 AU - 6.5 AU

Year: 9230 Days

Day: 17.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,860,698 km

• M1: 87,964 km (0.115 R)
• M2: 358,586 km (0.051 R)
• M3: 784,940 km (0.077 R)
• M4: 1,006,494 km (0.1 R)
• M5: 1,282,203 km (0.092 R)
• M6: 2,116,959 km (0.116 R)
• M7: 2,518,630 km (0.077 R)
• M8: 2,928,678 km (0.088 R)
• M9: 3,567,311 km (0.034 R)
• M10: 4,968,744 km (0.079 R)
• M11: 5,300,103 km (0.1 R)
• M12: 5,614,258 km (0.107 R)
• M13: 6,210,705 km (0.05 R)
• M14: 8,548,920 km (0.058 R)
• M15: 9,247,841 km (0.099 R)
• M16: 9,749,892 km (0.084 R)
• M17: 11,211,912 km (0.052 R)
• M18: 12,318,487 km (0.12 R)
• M19: 14,808,394 km (0.054 R)
• M20: 19,179,644 km (0.116 R)
• M21: 34,947,259 km (0.06 R)
• M22: 39,385,379 km (0.07 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 18,381 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit