🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.9

Radius: 9.1

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.7 AU - 0.7 AU

Year: 378 Days

Day: 6.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,805,413 km

• M1: 113,246 km (0.076 R)
• M2: 417,228 km (0.026 R)
• M3: 869,313 km (0.059 R)
• M4: 1,224,010 km (0.107 R)
• M5: 1,739,225 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.4

Radius: 14.3

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.67 AU - 0.91 AU

Year: 453 Days

Day: 12.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,805,413 km

• M1: 177,872 km (0.049 R)
• M2: 630,705 km (0.059 R)
• M3: 1,175,241 km (0.039 R)
• M4: 1,709,455 km (0.104 R)
• M5: 2,772,946 km (0.106 R)
• M6: 3,755,355 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589

Radius: 12.4

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.37 AU - 2.87 AU

Year: 2738 Days

Day: 15 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,805,413 km

• M1: 154,535 km (0.065 R)
• M2: 581,786 km (0.116 R)
• M3: 1,420,731 km (0.103 R)
• M4: 2,397,306 km (0.089 R)
• M5: 3,024,869 km (0.052 R)
• M6: 3,538,438 km (0.109 R)
• M7: 4,069,960 km (0.098 R)
• M8: 4,567,522 km (0.106 R)
• M9: 5,199,124 km (0.031 R)
• M10: 5,710,600 km (0.109 R)
• M11: 6,806,554 km (0.071 R)
• M12: 7,880,068 km (0.05 R)
• M13: 8,790,670 km (0.072 R)
• M14: 10,513,439 km (0.107 R)
• M15: 12,029,015 km (0.1 R)
• M16: 13,324,982 km (0.105 R)
• M17: 13,914,696 km (0.119 R)
• M18: 17,608,866 km (0.12 R)
• M19: 18,208,903 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.1

Radius: 6.1

Gravity: 25.88 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.54 AU - 6.68 AU

Year: 9752 Days

Day: 16.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,805,413 km

• M1: 77,043 km (0.1 R)
• M2: 276,008 km (0.111 R)
• M3: 550,371 km (0.071 R)
• M4: 1,586,635 km (0.047 R)
• M5: 2,005,509 km (0.108 R)
• M6: 2,556,628 km (0.107 R)
• M7: 3,015,145 km (0.101 R)
• M8: 3,899,418 km (0.1 R)
• M9: 5,275,569 km (0.083 R)
• M10: 6,317,518 km (0.09 R)
• M11: 7,575,935 km (0.1 R)
• M12: 10,310,884 km (0.101 R)
• M13: 13,386,765 km (0.097 R)
• M14: 15,098,016 km (0.028 R)
• M15: 21,529,826 km (0.083 R)
• M16: 23,590,238 km (0.111 R)
• M17: 25,583,031 km (0.115 R)
• M18: 26,470,446 km (0.074 R)
• M19: 28,725,783 km (0.065 R)
• M20: 32,572,842 km (0.078 R)
• M21: 34,798,409 km (0.107 R)
• M22: 35,279,516 km (0.055 R)
• M23: 36,873,930 km (0.101 R)
• M24: 37,499,698 km (0.027 R)
• M25: 43,177,087 km (0.117 R)
• M26: 45,427,787 km (0.031 R)
• M27: 46,146,904 km (0.065 R)
• M28: 52,175,249 km (0.064 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 12,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit