🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.1

Radius: 13.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.52 AU - 0.7 AU

Year: 329 Days

Day: 10.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 18,868,306 km

• M1: 171,589 km (0.118 R)
• M2: 626,366 km (0.08 R)
• M3: 1,160,879 km (0.117 R)
• M4: 1,732,643 km (0.111 R)
• M5: 2,702,635 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.2

Radius: 13.9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.66 AU - 0.7 AU

Year: 387 Days

Day: 6.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,868,306 km

• M1: 172,935 km (0.067 R)
• M2: 742,753 km (0.118 R)
• M3: 1,713,644 km (0.091 R)
• M4: 2,280,620 km (0.08 R)
• M5: 2,929,276 km (0.099 R)
• M6: 3,576,287 km (0.061 R)
• M7: 5,445,961 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.8

Radius: 12.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.75 AU - 0.79 AU

Year: 466 Days

Day: 11.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,868,306 km

• M1: 151,692 km (0.066 R)
• M2: 540,198 km (0.079 R)
• M3: 919,728 km (0.055 R)
• M4: 1,525,449 km (0.106 R)
• M5: 1,957,488 km (0.041 R)
• M6: 2,337,168 km (0.07 R)
• M7: 3,095,629 km (0.107 R)
• M8: 3,672,927 km (0.057 R)
• M9: 4,333,850 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.3

Radius: 10.5

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1 AU - 1.32 AU

Year: 862 Days

Day: 8.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,868,306 km

• M1: 131,048 km (0.073 R)
• M2: 745,895 km (0.119 R)
• M3: 1,260,661 km (0.089 R)
• M4: 1,770,491 km (0.066 R)
• M5: 2,267,904 km (0.059 R)
• M6: 3,117,620 km (0.083 R)
• M7: 3,531,557 km (0.111 R)
• M8: 3,907,048 km (0.118 R)
• M9: 4,553,610 km (0.032 R)
• M10: 5,160,678 km (0.11 R)
• M11: 6,838,717 km (0.099 R)
• M12: 7,541,528 km (0.086 R)
• M13: 8,217,112 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.7

Radius: 11.2

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.56 AU - 3.8 AU

Year: 3914 Days

Day: 12.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,868,306 km

• M1: 139,276 km (0.032 R)
• M2: 730,337 km (0.054 R)
• M3: 1,355,955 km (0.034 R)
• M4: 2,289,147 km (0.113 R)
• M5: 2,896,215 km (0.082 R)
• M6: 3,535,297 km (0.07 R)
• M7: 3,908,095 km (0.07 R)
• M8: 5,211,840 km (0.048 R)
• M9: 7,852,542 km (0.117 R)
• M10: 9,909,513 km (0.115 R)
• M11: 11,319,472 km (0.116 R)
• M12: 11,927,737 km (0.115 R)
• M13: 13,033,565 km (0.074 R)
• M14: 15,301,469 km (0.05 R)
• M15: 16,554,650 km (0.086 R)
• M16: 18,422,379 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 12,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit