🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941

Radius: 14.6

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.44 AU - 0.62 AU

Year: 257 Days

Day: 12.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,171,730 km

• M1: 181,612 km (0.07 R)
• M2: 766,539 km (0.113 R)
• M3: 1,250,189 km (0.079 R)
• M4: 1,826,440 km (0.101 R)
• M5: 2,356,765 km (0.116 R)
• M6: 2,931,819 km (0.108 R)
• M7: 3,577,783 km (0.09 R)
• M8: 4,179,166 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.2

Radius: 10.5

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.43 AU - 0.69 AU

Year: 279 Days

Day: 5.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 16,171,730 km

• M1: 130,599 km (0.116 R)
• M2: 464,501 km (0.096 R)
• M3: 851,511 km (0.086 R)
• M4: 1,221,467 km (0.101 R)
• M5: 1,640,191 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.3

Radius: 14

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.53 AU - 0.85 AU

Year: 382 Days

Day: 8.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 125.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,171,730 km

• M1: 174,132 km (0.086 R)
• M2: 724,652 km (0.099 R)
• M3: 1,319,154 km (0.098 R)
• M4: 2,235,890 km (0.03 R)
• M5: 2,908,931 km (0.07 R)
• M6: 3,628,945 km (0.065 R)
• M7: 4,071,456 km (0.095 R)
• M8: 4,621,527 km (0.109 R)
• M9: 5,362,934 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673

Radius: 15

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.26 AU - 1.74 AU

Year: 1225 Days

Day: 5.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,171,730 km

• M1: 186,549 km (0.108 R)
• M2: 726,298 km (0.045 R)
• M3: 1,615,208 km (0.117 R)
• M4: 2,090,181 km (0.037 R)
• M5: 3,665,597 km (0.067 R)
• M6: 6,356,713 km (0.108 R)
• M7: 6,920,996 km (0.084 R)
• M8: 7,725,234 km (0.092 R)
• M9: 8,396,330 km (0.109 R)
• M10: 9,252,927 km (0.068 R)
• M11: 10,072,873 km (0.095 R)
• M12: 10,743,820 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.1

Radius: 8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.33 AU - 3.59 AU

Year: 3396 Days

Day: 7.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 169.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 16,171,730 km

• M1: 99,483 km (0.111 R)
• M2: 391,797 km (0.08 R)
• M3: 720,164 km (0.11 R)
• M4: 1,324,540 km (0.102 R)
• M5: 1,757,476 km (0.1 R)
• M6: 2,037,074 km (0.042 R)
• M7: 2,519,527 km (0.085 R)
• M8: 2,967,573 km (0.054 R)
• M9: 4,176,025 km (0.077 R)
• M10: 5,448,504 km (0.083 R)
• M11: 5,876,204 km (0.096 R)
• M12: 6,559,717 km (0.109 R)
• M13: 6,907,083 km (0.044 R)
• M14: 8,800,095 km (0.044 R)
• M15: 10,537,824 km (0.108 R)
• M16: 11,315,733 km (0.062 R)
• M17: 12,052,053 km (0.114 R)
• M18: 12,452,228 km (0.111 R)
• M19: 14,363,640 km (0.039 R)
• M20: 15,412,470 km (0.116 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 17,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit