🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.3

Radius: 9.8

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.53 AU - 2.55 AU

Year: 1943 Days

Day: 12.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,835,590 km

• M1: 123,119 km (0.118 R)
• M2: 512,672 km (0.046 R)
• M3: 915,240 km (0.118 R)
• M4: 1,723,966 km (0.051 R)
• M5: 2,769,655 km (0.062 R)
• M6: 3,577,483 km (0.102 R)
• M7: 6,175,400 km (0.065 R)
• M8: 6,554,481 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.1

Radius: 12.8

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.63 AU - 2.59 AU

Year: 2044 Days

Day: 6.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,835,590 km

• M1: 159,172 km (0.099 R)
• M2: 600,785 km (0.093 R)
• M3: 1,176,138 km (0.072 R)
• M4: 1,598,004 km (0.054 R)
• M5: 2,011,194 km (0.114 R)
• M6: 2,972,809 km (0.066 R)
• M7: 3,879,821 km (0.088 R)
• M8: 4,881,079 km (0.104 R)
• M9: 6,335,919 km (0.101 R)
• M10: 10,491,747 km (0.046 R)
• M11: 11,967,530 km (0.093 R)
• M12: 12,424,552 km (0.116 R)
• M13: 13,577,503 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.1

Radius: 13.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.3 AU - 4.42 AU

Year: 5057 Days

Day: 12.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,835,590 km

• M1: 204,051 km (0.091 R)
• M2: 782,696 km (0.067 R)
• M3: 1,450,950 km (0.061 R)
• M4: 2,246,960 km (0.12 R)
• M5: 6,454,400 km (0.119 R)
• M6: 7,491,263 km (0.105 R)
• M7: 10,927,376 km (0.11 R)
• M8: 12,213,469 km (0.115 R)
• M9: 13,401,276 km (0.097 R)
• M10: 14,612,570 km (0.093 R)
• M11: 23,317,671 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.7

Radius: 4.6

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.35 AU - 10.83 AU

Year: 21373 Days

Day: 24.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,835,590 km

• M1: 57,146 km (0.116 R)
• M2: 386,411 km (0.109 R)
• M3: 558,898 km (0.088 R)
• M4: 774,618 km (0.092 R)
• M5: 1,129,763 km (0.118 R)
• M6: 1,772,735 km (0.108 R)
• M7: 3,086,653 km (0.1 R)
• M8: 5,186,109 km (0.078 R)
• M9: 7,552,449 km (0.114 R)
• M10: 7,835,039 km (0.056 R)
• M11: 8,421,313 km (0.073 R)
• M12: 10,454,049 km (0.116 R)
• M13: 23,431,215 km (0.063 R)
• M14: 24,819,484 km (0.055 R)
• M15: 25,264,238 km (0.062 R)
• M16: 28,045,412 km (0.101 R)
• M17: 29,410,493 km (0.117 R)
• M18: 30,412,200 km (0.029 R)
• M19: 30,717,080 km (0.034 R)
• M20: 34,536,613 km (0.095 R)
• M21: 36,331,339 km (0.08 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 19,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit