🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.95 AU - 3.25 AU

Year: 2101 Days

Day: 16.1 Hours

Environment

Temp: -109 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,485,860 km

• M1: 1,806,095 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.6

Radius: 12.9

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.88 AU - 5.7 AU

Year: 4036 Days

Day: 14.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,485,860 km

• M1: 168,746 km (0.108 R)
• M2: 660,624 km (0.087 R)
• M3: 1,277,715 km (0.066 R)
• M4: 1,936,544 km (0.112 R)
• M5: 3,785,425 km (0.115 R)
• M6: 4,652,045 km (0.101 R)
• M7: 5,252,381 km (0.105 R)
• M8: 6,035,077 km (0.033 R)
• M9: 6,721,732 km (0.115 R)
• M10: 7,158,408 km (0.069 R)
• M11: 9,063,537 km (0.041 R)
• M12: 10,266,154 km (0.027 R)
• M13: 12,073,895 km (0.046 R)
• M14: 12,502,941 km (0.117 R)
• M15: 14,706,069 km (0.052 R)
• M16: 17,590,316 km (0.067 R)
• M17: 18,310,331 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.9

Radius: 9.5

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.17 AU - 8.21 AU

Year: 7423 Days

Day: 10.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,485,860 km

• M1: 118,182 km (0.112 R)
• M2: 524,490 km (0.073 R)
• M3: 1,019,809 km (0.104 R)
• M4: 1,384,827 km (0.093 R)
• M5: 2,487,813 km (0.076 R)
• M6: 2,905,041 km (0.072 R)
• M7: 3,697,012 km (0.117 R)
• M8: 4,046,922 km (0.028 R)
• M9: 8,428,643 km (0.096 R)
• M10: 8,831,361 km (0.06 R)
• M11: 9,938,684 km (0.096 R)
• M12: 10,758,032 km (0.112 R)
• M13: 13,650,357 km (0.117 R)
• M14: 14,206,412 km (0.097 R)
• M15: 16,520,392 km (0.101 R)
• M16: 28,389,487 km (0.062 R)
• M17: 31,069,982 km (0.083 R)
• M18: 32,422,646 km (0.104 R)
• M19: 33,014,156 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234

Radius: 13.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.34 AU - 11.76 AU

Year: 11363 Days

Day: 13.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,485,860 km

• M1: 165,156 km (0.098 R)
• M2: 1,505,403 km (0.102 R)
• M3: 4,925,809 km (0.109 R)
• M4: 8,167,595 km (0.111 R)
• M5: 9,464,309 km (0.081 R)
• M6: 9,956,037 km (0.103 R)
• M7: 14,586,241 km (0.112 R)
• M8: 15,002,273 km (0.086 R)
• M9: 20,782,735 km (0.091 R)
• M10: 21,310,067 km (0.064 R)
• M11: 23,509,455 km (0.092 R)
• M12: 24,330,448 km (0.087 R)
• M13: 26,291,227 km (0.115 R)
• M14: 29,663,463 km (0.076 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 16,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit