🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.4

Radius: 9.7

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.85 AU - 1.19 AU

Year: 665 Days

Day: 14.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,080,042 km

• M1: 120,725 km (0.082 R)
• M2: 509,381 km (0.106 R)
• M3: 1,476,232 km (0.092 R)
• M4: 1,783,506 km (0.102 R)
• M5: 2,393,117 km (0.084 R)
• M6: 3,089,794 km (0.114 R)
• M7: 3,625,504 km (0.098 R)
• M8: 3,970,477 km (0.102 R)
• M9: 5,058,203 km (0.104 R)
• M10: 5,371,611 km (0.112 R)
• M11: 6,073,973 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.2

Radius: 9.9

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.98 AU - 3.02 AU

Year: 2552 Days

Day: 12.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,080,042 km

• M1: 123,119 km (0.055 R)
• M2: 458,368 km (0.082 R)
• M3: 1,372,112 km (0.1 R)
• M4: 1,913,955 km (0.092 R)
• M5: 3,151,279 km (0.04 R)
• M6: 3,931,881 km (0.101 R)
• M7: 5,028,433 km (0.09 R)
• M8: 6,444,826 km (0.115 R)
• M9: 8,568,368 km (0.092 R)
• M10: 11,010,254 km (0.117 R)
• M11: 12,034,999 km (0.078 R)
• M12: 12,510,421 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.4

Radius: 11.2

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.51 AU - 2.57 AU

Year: 2614 Days

Day: 7.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,080,042 km

• M1: 141,220 km (0.111 R)
• M2: 608,265 km (0.066 R)
• M3: 1,151,305 km (0.067 R)
• M4: 1,889,870 km (0.1 R)
• M5: 2,464,027 km (0.095 R)
• M6: 3,028,908 km (0.057 R)
• M7: 6,705,276 km (0.117 R)
• M8: 7,111,584 km (0.095 R)
• M9: 7,489,019 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.4

Radius: 5.2

Gravity: 36.18 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.32 AU - 7.82 AU

Year: 10873 Days

Day: 22.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 83.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,080,042 km

• M1: 66,721 km (0.065 R)
• M2: 402,717 km (0.067 R)
• M3: 680,072 km (0.111 R)
• M4: 872,754 km (0.109 R)
• M5: 1,276,519 km (0.112 R)
• M6: 1,763,161 km (0.118 R)
• M7: 2,132,368 km (0.116 R)
• M8: 3,880,270 km (0.094 R)
• M9: 4,441,561 km (0.056 R)
• M10: 4,661,320 km (0.107 R)
• M11: 6,409,670 km (0.057 R)
• M12: 7,191,618 km (0.088 R)
• M13: 7,407,488 km (0.099 R)
• M14: 8,314,949 km (0.089 R)
• M15: 8,697,919 km (0.076 R)
• M16: 9,294,217 km (0.063 R)
• M17: 13,917,688 km (0.062 R)
• M18: 26,604,485 km (0.115 R)
• M19: 27,121,496 km (0.079 R)
• M20: 35,079,205 km (0.094 R)
• M21: 39,719,282 km (0.105 R)
• M22: 43,029,733 km (0.111 R)
• M23: 51,141,378 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 13,097 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit