🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.51 AU - 0.51 AU

Year: 239 Days

Day: 34.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.7

Radius: 13

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.91 AU - 1.05 AU

Year: 636 Days

Day: 7.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 158 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,151,619 km

• M1: 161,715 km (0.118 R)
• M2: 579,692 km (0.105 R)
• M3: 1,138,440 km (0.083 R)
• M4: 2,053,231 km (0.116 R)
• M5: 2,544,959 km (0.1 R)
• M6: 3,115,226 km (0.055 R)
• M7: 3,573,893 km (0.036 R)
• M8: 4,612,551 km (0.078 R)
• M9: 5,283,348 km (0.109 R)
• M10: 5,881,739 km (0.119 R)
• M11: 6,483,422 km (0.045 R)
• M12: 6,950,317 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.9

Radius: 13

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.87 AU - 1.33 AU

Year: 757 Days

Day: 6.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,151,619 km

• M1: 163,660 km (0.117 R)
• M2: 617,839 km (0.093 R)
• M3: 1,362,837 km (0.063 R)
• M4: 1,852,470 km (0.118 R)
• M5: 2,769,356 km (0.11 R)
• M6: 3,266,769 km (0.117 R)
• M7: 4,009,672 km (0.062 R)
• M8: 5,406,916 km (0.101 R)
• M9: 6,081,303 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.2

Radius: 7.2

Gravity: 14.88 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.13 AU - 6.99 AU

Year: 9786 Days

Day: 17.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,151,619 km

• M1: 89,609 km (0.109 R)
• M2: 347,965 km (0.051 R)
• M3: 893,548 km (0.114 R)
• M4: 1,400,984 km (0.108 R)
• M5: 1,712,297 km (0.075 R)
• M6: 2,086,741 km (0.08 R)
• M7: 2,718,343 km (0.119 R)
• M8: 3,044,915 km (0.055 R)
• M9: 4,680,618 km (0.092 R)
• M10: 5,721,371 km (0.09 R)
• M11: 6,076,217 km (0.082 R)
• M12: 6,333,375 km (0.107 R)
• M13: 9,271,478 km (0.084 R)
• M14: 11,501,832 km (0.064 R)
• M15: 12,240,846 km (0.057 R)
• M16: 15,790,055 km (0.112 R)
• M17: 17,723,757 km (0.034 R)
• M18: 19,570,393 km (0.083 R)
• M19: 19,970,717 km (0.079 R)
• M20: 21,797,158 km (0.052 R)
• M21: 22,227,252 km (0.097 R)
• M22: 23,371,975 km (0.113 R)
• M23: 24,095,879 km (0.1 R)
• M24: 26,551,378 km (0.083 R)
• M25: 27,041,909 km (0.05 R)
• M26: 32,957,309 km (0.03 R)
• M27: 34,444,162 km (0.093 R)
• M28: 35,027,743 km (0.089 R)
• M29: 35,381,093 km (0.118 R)
• M30: 41,625,009 km (0.065 R)
• M31: 44,453,007 km (0.099 R)
• M32: 48,128,477 km (0.099 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 19,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit