🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.53 AU - 0.79 AU

Year: 346 Days

Day: 34.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 43.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,619,253 km

• M1: 44,281 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.4

Radius: 11.4

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.69 AU - 0.73 AU

Year: 386 Days

Day: 12.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,619,253 km

• M1: 141,819 km (0.12 R)
• M2: 498,311 km (0.071 R)
• M3: 939,475 km (0.052 R)
• M4: 1,345,184 km (0.058 R)
• M5: 1,771,987 km (0.09 R)
• M6: 2,896,364 km (0.106 R)
• M7: 3,676,218 km (0.062 R)
• M8: 4,394,138 km (0.095 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.5

Radius: 3.1

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.69 AU - 6.93 AU

Year: 10234 Days

Day: 18.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,619,253 km

• M1: 38,746 km (0.078 R)
• M2: 474,076 km (0.068 R)
• M3: 1,099,544 km (0.11 R)
• M4: 1,497,475 km (0.106 R)
• M5: 1,795,324 km (0.112 R)
• M6: 2,158,697 km (0.075 R)
• M7: 4,783,242 km (0.069 R)
• M8: 5,764,604 km (0.113 R)
• M9: 10,033,828 km (0.088 R)
• M10: 10,189,709 km (0.12 R)
• M11: 11,496,297 km (0.042 R)
• M12: 12,501,595 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.1

Radius: 3.6

Gravity: 26.01 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.18 AU - 7.8 AU

Year: 13235 Days

Day: 16.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 45,619,253 km

• M1: 45,029 km (0.053 R)
• M2: 289,023 km (0.103 R)
• M3: 643,869 km (0.096 R)
• M4: 845,826 km (0.099 R)
• M5: 1,056,011 km (0.083 R)
• M6: 1,496,577 km (0.119 R)
• M7: 1,804,599 km (0.111 R)
• M8: 2,334,624 km (0.092 R)
• M9: 2,448,169 km (0.091 R)
• M10: 2,874,972 km (0.118 R)
• M11: 3,770,315 km (0.096 R)
• M12: 4,060,834 km (0.105 R)
• M13: 4,451,883 km (0.082 R)
• M14: 4,929,100 km (0.097 R)
• M15: 5,084,981 km (0.117 R)
• M16: 6,527,105 km (0.095 R)
• M17: 7,710,274 km (0.093 R)
• M18: 8,177,768 km (0.088 R)
• M19: 8,845,273 km (0.095 R)
• M20: 11,494,951 km (0.06 R)
• M21: 12,104,263 km (0.112 R)
• M22: 12,388,200 km (0.119 R)
• M23: 15,476,648 km (0.053 R)
• M24: 16,773,362 km (0.066 R)
• M25: 18,738,180 km (0.114 R)
• M26: 19,736,597 km (0.091 R)
• M27: 24,898,322 km (0.109 R)
• M28: 25,265,136 km (0.112 R)
• M29: 26,768,594 km (0.117 R)
• M30: 29,133,886 km (0.115 R)
• M31: 30,159,380 km (0.095 R)
• M32: 30,785,895 km (0.052 R)
• M33: 32,499,389 km (0.091 R)
• M34: 33,713,526 km (0.058 R)
• M35: 38,750,187 km (0.102 R)
• M36: 40,492,254 km (0.102 R)
• M37: 43,070,573 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 11,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit