🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.7

Radius: 12.4

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.48 AU - 0.62 AU

Year: 282 Days

Day: 11.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,275,968 km

• M1: 154,385 km (0.117 R)
• M2: 567,724 km (0.066 R)
• M3: 1,168,060 km (0.119 R)
• M4: 1,805,646 km (0.109 R)
• M5: 2,508,756 km (0.097 R)
• M6: 3,050,899 km (0.119 R)
• M7: 3,648,094 km (0.067 R)
• M8: 4,185,898 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.7

Radius: 9.7

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.62 AU - 0.66 AU

Year: 353 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,275,968 km

• M1: 120,725 km (0.062 R)
• M2: 469,737 km (0.108 R)
• M3: 976,575 km (0.089 R)
• M4: 1,310,627 km (0.101 R)
• M5: 1,636,002 km (0.087 R)
• M6: 1,975,290 km (0.103 R)
• M7: 2,463,727 km (0.116 R)
• M8: 2,767,710 km (0.086 R)
• M9: 3,452,270 km (0.12 R)
• M10: 3,809,510 km (0.11 R)
• M11: 5,078,399 km (0.115 R)
• M12: 5,708,206 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.5

Radius: 8.2

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.23 AU - 1.85 AU

Year: 1319 Days

Day: 14.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,275,968 km

• M1: 105,018 km (0.077 R)
• M2: 524,341 km (0.041 R)
• M3: 938,278 km (0.119 R)
• M4: 1,566,738 km (0.094 R)
• M5: 2,069,387 km (0.103 R)
• M6: 2,821,416 km (0.026 R)
• M7: 3,311,798 km (0.034 R)
• M8: 3,777,945 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.5

Radius: 11.6

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.49 AU - 1.71 AU

Year: 1397 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,275,968 km

• M1: 144,960 km (0.096 R)
• M2: 601,832 km (0.103 R)
• M3: 995,275 km (0.071 R)
• M4: 1,548,936 km (0.077 R)
• M5: 1,930,261 km (0.115 R)
• M6: 2,589,838 km (0.109 R)
• M7: 3,603,663 km (0.088 R)
• M8: 4,665,808 km (0.076 R)
• M9: 5,475,432 km (0.115 R)
• M10: 6,597,864 km (0.084 R)
• M11: 8,383,465 km (0.084 R)
• M12: 9,579,200 km (0.093 R)
• M13: 10,437,443 km (0.088 R)
• M14: 11,274,444 km (0.104 R)
• M15: 12,497,705 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.1

Radius: 14.5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.59 AU - 2.17 AU

Year: 1779 Days

Day: 11.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,275,968 km

• M1: 183,856 km (0.107 R)
• M2: 847,023 km (0.104 R)
• M3: 1,478,027 km (0.065 R)
• M4: 3,052,694 km (0.083 R)
• M5: 3,622,363 km (0.111 R)
• M6: 4,185,898 km (0.117 R)
• M7: 5,583,741 km (0.098 R)
• M8: 6,755,690 km (0.093 R)
• M9: 7,471,366 km (0.107 R)
• M10: 9,822,895 km (0.072 R)
• M11: 11,299,277 km (0.038 R)
• M12: 13,549,079 km (0.078 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: 240 - 12,321 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit