🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 12.6

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.57 AU - 0.75 AU

Year: 358 Days

Day: 9.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,441,773 km

• M1: 156,629 km (0.094 R)
• M2: 557,252 km (0.11 R)
• M3: 990,039 km (0.091 R)
• M4: 1,399,937 km (0.063 R)
• M5: 1,857,856 km (0.114 R)
• M6: 2,629,931 km (0.113 R)
• M7: 3,418,611 km (0.095 R)
• M8: 4,079,684 km (0.109 R)
• M9: 4,580,836 km (0.075 R)
• M10: 5,077,352 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377

Radius: 12.5

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.79 AU - 1.31 AU

Year: 717 Days

Day: 5.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,441,773 km

• M1: 155,432 km (0.03 R)
• M2: 618,886 km (0.087 R)
• M3: 1,065,885 km (0.12 R)
• M4: 1,674,449 km (0.028 R)
• M5: 2,230,055 km (0.108 R)
• M6: 2,733,452 km (0.03 R)
• M7: 3,276,193 km (0.074 R)
• M8: 3,742,939 km (0.109 R)
• M9: 4,519,352 km (0.112 R)
• M10: 4,938,525 km (0.099 R)
• M11: 5,400,483 km (0.078 R)
• M12: 6,037,022 km (0.101 R)
• M13: 6,431,063 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.4

Radius: 14.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.3 AU - 1.54 AU

Year: 1128 Days

Day: 10.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,441,773 km

• M1: 184,005 km (0.082 R)
• M2: 651,349 km (0.089 R)
• M3: 1,328,728 km (0.117 R)
• M4: 2,046,798 km (0.048 R)
• M5: 2,577,123 km (0.082 R)
• M6: 3,199,749 km (0.093 R)
• M7: 4,966,799 km (0.118 R)
• M8: 5,555,167 km (0.087 R)
• M9: 6,297,023 km (0.032 R)
• M10: 7,127,441 km (0.107 R)
• M11: 8,131,991 km (0.04 R)
• M12: 8,816,551 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.1

Radius: 13.3

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.8 AU - 3.94 AU

Year: 5077 Days

Day: 8.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,441,773 km

• M1: 165,754 km (0.081 R)
• M2: 581,786 km (0.068 R)
• M3: 1,052,720 km (0.115 R)
• M4: 1,698,833 km (0.103 R)
• M5: 2,368,733 km (0.11 R)
• M6: 3,496,252 km (0.109 R)
• M7: 4,098,383 km (0.059 R)
• M8: 7,299,479 km (0.101 R)
• M9: 7,985,983 km (0.112 R)
• M10: 8,794,410 km (0.097 R)
• M11: 9,404,769 km (0.11 R)
• M12: 9,913,103 km (0.086 R)
• M13: 11,359,565 km (0.069 R)
• M14: 12,685,750 km (0.111 R)
• M15: 13,625,823 km (0.065 R)
• M16: 16,118,871 km (0.092 R)
• M17: 22,663,180 km (0.081 R)
• M18: 23,501,975 km (0.105 R)
• M19: 25,567,024 km (0.06 R)
• M20: 31,441,732 km (0.096 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 11,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit