🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.45 AU - 0.61 AU

Year: 249 Days

Day: 27.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,254,279 km

• M1: 90,208 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.1

Radius: 9.6

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.53 AU - 0.88 AU

Year: 378 Days

Day: 12.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,254,279 km

• M1: 119,828 km (0.117 R)
• M2: 464,801 km (0.119 R)
• M3: 769,980 km (0.084 R)
• M4: 1,087,577 km (0.12 R)
• M5: 1,399,338 km (0.039 R)
• M6: 1,742,516 km (0.108 R)
• M7: 2,368,882 km (0.103 R)
• M8: 2,790,299 km (0.098 R)
• M9: 3,685,493 km (0.112 R)
• M10: 4,363,022 km (0.07 R)
• M11: 4,909,054 km (0.08 R)
• M12: 5,214,383 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.8

Radius: 13.8

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.71 AU - 0.99 AU

Year: 506 Days

Day: 9.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,254,279 km

• M1: 189,241 km (0.082 R)
• M2: 723,007 km (0.072 R)
• M3: 1,175,390 km (0.055 R)
• M4: 1,612,216 km (0.087 R)
• M5: 2,275,234 km (0.093 R)
• M6: 2,790,150 km (0.109 R)
• M7: 3,455,112 km (0.083 R)
• M8: 3,898,221 km (0.092 R)
• M9: 4,702,459 km (0.042 R)
• M10: 5,446,559 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49

Radius: 14.2

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.72 AU - 2.66 AU

Year: 2093 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,254,279 km

• M1: 176,525 km (0.075 R)
• M2: 637,586 km (0.116 R)
• M3: 1,217,577 km (0.115 R)
• M4: 2,393,416 km (0.094 R)
• M5: 3,165,940 km (0.119 R)
• M6: 3,946,093 km (0.103 R)
• M7: 4,540,295 km (0.081 R)
• M8: 5,294,717 km (0.052 R)
• M9: 6,112,569 km (0.106 R)
• M10: 6,972,308 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.2

Radius: 9.7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.92 AU - 3.04 AU

Year: 2522 Days

Day: 7.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 131.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 15,254,279 km

• M1: 120,875 km (0.075 R)
• M2: 493,523 km (0.088 R)
• M3: 809,175 km (0.025 R)
• M4: 1,126,023 km (0.077 R)
• M5: 1,622,688 km (0.119 R)
• M6: 1,956,142 km (0.067 R)
• M7: 2,624,844 km (0.084 R)
• M8: 3,389,439 km (0.094 R)
• M9: 3,977,359 km (0.067 R)
• M10: 4,295,852 km (0.11 R)
• M11: 4,651,895 km (0.089 R)
• M12: 5,446,110 km (0.12 R)
• M13: 5,816,365 km (0.076 R)
• M14: 7,839,976 km (0.102 R)
• M15: 8,283,085 km (0.098 R)
• M16: 8,962,857 km (0.051 R)
• M17: 9,284,044 km (0.103 R)
• M18: 10,051,930 km (0.096 R)
• M19: 14,451,753 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 18,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit