🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.2

Radius: 13.4

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.23 AU - 1.63 AU

Year: 1180 Days

Day: 7.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,669,118 km

• M1: 166,652 km (0.088 R)
• M2: 600,037 km (0.104 R)
• M3: 1,023,848 km (0.053 R)
• M4: 1,466,508 km (0.063 R)
• M5: 1,924,427 km (0.068 R)
• M6: 2,683,187 km (0.083 R)
• M7: 3,114,777 km (0.075 R)
• M8: 3,565,815 km (0.028 R)
• M9: 5,260,908 km (0.105 R)
• M10: 7,420,054 km (0.11 R)
• M11: 7,947,237 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.5

Radius: 14.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.48 AU - 4.04 AU

Year: 4063 Days

Day: 7.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,669,118 km

• M1: 179,069 km (0.106 R)
• M2: 716,574 km (0.102 R)
• M3: 1,420,581 km (0.08 R)
• M4: 1,919,341 km (0.09 R)
• M5: 2,434,556 km (0.098 R)
• M6: 3,849,303 km (0.044 R)
• M7: 5,890,865 km (0.04 R)
• M8: 6,906,634 km (0.068 R)
• M9: 8,269,621 km (0.106 R)
• M10: 8,926,206 km (0.032 R)
• M11: 9,617,498 km (0.053 R)
• M12: 13,388,860 km (0.041 R)
• M13: 15,040,271 km (0.092 R)
• M14: 16,445,593 km (0.067 R)
• M15: 18,337,857 km (0.066 R)
• M16: 19,276,882 km (0.11 R)
• M17: 21,442,760 km (0.113 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.1

Radius: 4.5

Gravity: 44.5 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.5 AU - 6.9 AU

Year: 9393 Days

Day: 19.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 41,669,118 km

• M1: 56,099 km (0.067 R)
• M2: 269,875 km (0.096 R)
• M3: 502,200 km (0.059 R)
• M4: 717,322 km (0.048 R)
• M5: 861,235 km (0.062 R)
• M6: 1,674,000 km (0.083 R)
• M7: 2,194,900 km (0.058 R)
• M8: 2,442,933 km (0.115 R)
• M9: 2,730,760 km (0.086 R)
• M10: 2,927,481 km (0.107 R)
• M11: 3,373,881 km (0.109 R)
• M12: 3,730,971 km (0.12 R)
• M13: 4,056,645 km (0.103 R)
• M14: 4,953,784 km (0.065 R)
• M15: 5,246,846 km (0.104 R)
• M16: 6,121,994 km (0.069 R)
• M17: 6,888,982 km (0.105 R)
• M18: 8,336,641 km (0.077 R)
• M19: 10,129,870 km (0.053 R)
• M20: 13,874,604 km (0.044 R)
• M21: 14,853,573 km (0.115 R)
• M22: 17,094,249 km (0.095 R)
• M23: 19,231,255 km (0.107 R)
• M24: 23,207,417 km (0.091 R)
• M25: 27,901,499 km (0.083 R)
• M26: 28,310,499 km (0.114 R)
• M27: 30,631,660 km (0.12 R)
• M28: 33,076,688 km (0.115 R)
• M29: 33,881,075 km (0.032 R)
• M30: 34,346,624 km (0.091 R)
• M31: 35,171,357 km (0.1 R)
• M32: 36,494,101 km (0.057 R)
• M33: 36,860,467 km (0.071 R)
• M34: 39,622,941 km (0.065 R)
• M35: 42,655,140 km (0.082 R)
• M36: 50,374,390 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.4

Radius: 6

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.5 AU - 8.04 AU

Year: 12159 Days

Day: 25 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,669,118 km

• M1: 75,248 km (0.093 R)
• M2: 656,884 km (0.115 R)
• M3: 1,652,458 km (0.115 R)
• M4: 1,858,006 km (0.065 R)
• M5: 2,215,844 km (0.098 R)
• M6: 3,992,618 km (0.116 R)
• M7: 4,420,767 km (0.118 R)
• M8: 4,938,226 km (0.114 R)
• M9: 6,807,900 km (0.098 R)
• M10: 7,032,745 km (0.116 R)
• M11: 7,656,569 km (0.066 R)
• M12: 8,023,383 km (0.055 R)
• M13: 8,660,819 km (0.096 R)
• M14: 9,655,795 km (0.041 R)
• M15: 11,340,117 km (0.12 R)
• M16: 11,763,180 km (0.082 R)
• M17: 12,196,714 km (0.112 R)
• M18: 16,455,915 km (0.082 R)
• M19: 16,657,873 km (0.109 R)
• M20: 18,333,668 km (0.033 R)
• M21: 22,841,052 km (0.116 R)
• M22: 35,399,943 km (0.049 R)
• M23: 36,874,828 km (0.041 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: 228 - 14,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit