🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.1

Radius: 8.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.76 AU - 1.22 AU

Year: 636 Days

Day: 9.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,141,466 km

• M1: 109,506 km (0.099 R)
• M2: 426,952 km (0.115 R)
• M3: 934,089 km (0.108 R)
• M4: 1,245,851 km (0.102 R)
• M5: 1,641,537 km (0.04 R)
• M6: 1,916,498 km (0.075 R)
• M7: 2,830,392 km (0.094 R)
• M8: 3,355,779 km (0.083 R)
• M9: 3,778,693 km (0.08 R)
• M10: 4,223,297 km (0.09 R)
• M11: 4,805,383 km (0.075 R)
• M12: 5,217,375 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.2

Radius: 14.2

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.01 AU - 1.19 AU

Year: 745 Days

Day: 11.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 35,141,466 km

• M1: 179,069 km (0.089 R)
• M2: 679,174 km (0.111 R)
• M3: 1,142,778 km (0.117 R)
• M4: 2,221,977 km (0.074 R)
• M5: 2,730,610 km (0.091 R)

Asteroid Belt

Center: 3.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.3

Radius: 10.1

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.93 AU - 6.53 AU

Year: 7723 Days

Day: 6.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,141,466 km

• M1: 131,347 km (0.082 R)
• M2: 493,823 km (0.119 R)
• M3: 976,126 km (0.032 R)
• M4: 1,455,737 km (0.077 R)
• M5: 2,250,700 km (0.114 R)
• M6: 3,312,396 km (0.041 R)
• M7: 8,961,660 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.6

Radius: 9.3

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.97 AU - 5.69 AU

Year: 7945 Days

Day: 5.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,141,466 km

• M1: 115,639 km (0.092 R)
• M2: 468,690 km (0.105 R)
• M3: 909,555 km (0.091 R)
• M4: 1,656,348 km (0.085 R)
• M5: 2,145,832 km (0.056 R)
• M6: 2,804,362 km (0.061 R)
• M7: 3,264,974 km (0.038 R)
• M8: 3,660,062 km (0.105 R)
• M9: 4,013,561 km (0.084 R)
• M10: 4,872,103 km (0.075 R)
• M11: 6,466,518 km (0.042 R)
• M12: 7,272,700 km (0.11 R)
• M13: 7,833,543 km (0.118 R)
• M14: 8,302,831 km (0.116 R)
• M15: 9,083,882 km (0.087 R)
• M16: 12,284,678 km (0.1 R)
• M17: 13,026,235 km (0.045 R)
• M18: 13,966,457 km (0.105 R)
• M19: 15,129,880 km (0.096 R)
• M20: 18,455,441 km (0.112 R)
• M21: 19,998,543 km (0.062 R)
• M22: 20,653,931 km (0.049 R)
• M23: 21,550,022 km (0.109 R)
• M24: 21,931,048 km (0.076 R)
• M25: 22,549,785 km (0.076 R)
• M26: 28,379,913 km (0.114 R)
• M27: 28,837,682 km (0.119 R)
• M28: 33,793,112 km (0.028 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: 532 - 15,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit