🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.8

Radius: 8.7

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.67 AU - 0.71 AU

Year: 376 Days

Day: 14.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 5,718,474 km

• M1: 108,159 km (0.12 R)
• M2: 393,742 km (0.114 R)
• M3: 841,338 km (0.114 R)
• M4: 1,269,637 km (0.075 R)
• M5: 1,779,167 km (0.068 R)
• M6: 2,090,331 km (0.09 R)
• M7: 2,684,235 km (0.07 R)
• M8: 2,968,321 km (0.078 R)
• M9: 3,238,943 km (0.068 R)
• M10: 3,768,221 km (0.107 R)
• M11: 4,633,345 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.9

Radius: 9.3

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.77 AU - 1.13 AU

Year: 607 Days

Day: 11.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 5,718,474 km

• M1: 115,639 km (0.101 R)
• M2: 527,931 km (0.095 R)
• M3: 993,330 km (0.087 R)
• M4: 1,320,201 km (0.111 R)
• M5: 1,695,991 km (0.083 R)
• M6: 2,364,544 km (0.104 R)
• M7: 3,162,349 km (0.111 R)
• M8: 3,856,932 km (0.057 R)
• M9: 4,492,424 km (0.117 R)
• M10: 5,093,658 km (0.116 R)
• M11: 5,583,591 km (0.075 R)
• M12: 7,373,829 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.2

Radius: 8.3

Gravity: 14.45 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.94 AU - 1.4 AU

Year: 830 Days

Day: 14 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 5,718,474 km

• M1: 104,419 km (0.05 R)
• M2: 501,751 km (0.065 R)
• M3: 787,782 km (0.11 R)
• M4: 1,138,290 km (0.101 R)
• M5: 1,704,817 km (0.092 R)
• M6: 1,977,534 km (0.054 R)
• M7: 2,540,920 km (0.045 R)
• M8: 2,899,207 km (0.062 R)
• M9: 3,207,229 km (0.073 R)
• M10: 3,478,001 km (0.104 R)
• M11: 3,984,838 km (0.099 R)
• M12: 4,487,637 km (0.049 R)
• M13: 5,438,930 km (0.07 R)
• M14: 6,296,425 km (0.102 R)
• M15: 6,631,674 km (0.071 R)
• M16: 7,002,527 km (0.073 R)
• M17: 7,510,112 km (0.085 R)
• M18: 8,251,071 km (0.087 R)
• M19: 9,180,971 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.5

Radius: 12.2

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.13 AU - 1.23 AU

Year: 841 Days

Day: 12.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 5,718,474 km

• M1: 151,692 km (0.119 R)
• M2: 546,780 km (0.095 R)
• M3: 1,042,996 km (0.094 R)
• M4: 1,611,019 km (0.065 R)
• M5: 2,044,853 km (0.097 R)
• M6: 2,585,799 km (0.119 R)
• M7: 3,266,170 km (0.091 R)
• M8: 4,500,652 km (0.104 R)
• M9: 5,076,753 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 13,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit