🌌 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: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.5

Radius: 10.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.49 AU - 0.69 AU

Year: 307 Days

Day: 13.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 8,547,618 km

• M1: 134,339 km (0.098 R)
• M2: 649,255 km (0.113 R)
• M3: 1,013,526 km (0.106 R)
• M4: 1,375,104 km (0.07 R)
• M5: 1,724,415 km (0.08 R)
• M6: 2,088,386 km (0.091 R)
• M7: 2,741,680 km (0.118 R)
• M8: 3,092,038 km (0.117 R)
• M9: 3,624,457 km (0.091 R)
• M10: 4,060,236 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995

Radius: 12.4

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.19 AU - 1.25 AU

Year: 914 Days

Day: 10.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 8,547,618 km

• M1: 154,684 km (0.116 R)
• M2: 919,279 km (0.099 R)
• M3: 1,455,587 km (0.108 R)
• M4: 2,144,336 km (0.105 R)
• M5: 3,001,232 km (0.103 R)
• M6: 3,509,117 km (0.086 R)
• M7: 4,484,047 km (0.105 R)
• M8: 4,959,319 km (0.103 R)
• M9: 5,819,656 km (0.09 R)
• M10: 6,341,603 km (0.044 R)
• M11: 6,989,961 km (0.098 R)
• M12: 8,071,404 km (0.106 R)
• M13: 8,805,480 km (0.104 R)
• M14: 9,913,552 km (0.097 R)
• M15: 10,313,427 km (0.116 R)
• M16: 10,723,923 km (0.097 R)

Asteroid Belt

Center: 1.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.9

Radius: 12.8

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.5 AU - 2.24 AU

Year: 1734 Days

Day: 11.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 165.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 8,547,618 km

• M1: 159,920 km (0.081 R)
• M2: 646,113 km (0.112 R)
• M3: 1,651,112 km (0.069 R)
• M4: 2,103,047 km (0.075 R)
• M5: 2,536,581 km (0.079 R)
• M6: 3,016,043 km (0.119 R)
• M7: 3,619,969 km (0.102 R)
• M8: 4,753,772 km (0.102 R)
• M9: 7,341,366 km (0.119 R)
• M10: 7,740,792 km (0.075 R)
• M11: 8,295,950 km (0.112 R)
• M12: 8,907,506 km (0.058 R)
• M13: 9,486,450 km (0.117 R)
• M14: 10,090,376 km (0.078 R)
• M15: 10,618,756 km (0.041 R)
• M16: 11,803,122 km (0.065 R)
• M17: 12,278,544 km (0.1 R)
• M18: 12,842,977 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.4

Radius: 12.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.85 AU - 2.75 AU

Year: 2366 Days

Day: 9.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 8,547,618 km

• M1: 160,519 km (0.102 R)
• M2: 781,798 km (0.076 R)
• M3: 1,196,334 km (0.086 R)
• M4: 1,780,065 km (0.079 R)
• M5: 2,615,868 km (0.075 R)
• M6: 3,111,785 km (0.1 R)
• M7: 3,944,896 km (0.097 R)
• M8: 4,358,833 km (0.062 R)
• M9: 5,167,110 km (0.087 R)
• M10: 7,193,563 km (0.071 R)
• M11: 8,102,819 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 12,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit