🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.7

Radius: 12.8

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.17 AU - 1.59 AU

Year: 1081 Days

Day: 14.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,426,647 km

• M1: 159,172 km (0.064 R)
• M2: 574,306 km (0.042 R)
• M3: 1,053,319 km (0.072 R)
• M4: 1,451,548 km (0.086 R)
• M5: 2,331,932 km (0.117 R)
• M6: 2,932,866 km (0.065 R)
• M7: 3,404,548 km (0.102 R)
• M8: 3,910,339 km (0.089 R)
• M9: 4,411,791 km (0.087 R)
• M10: 5,114,003 km (0.095 R)
• M11: 5,629,667 km (0.046 R)
• M12: 6,503,767 km (0.074 R)
• M13: 7,110,237 km (0.04 R)
• M14: 8,049,861 km (0.063 R)
• M15: 9,368,866 km (0.099 R)
• M16: 9,922,528 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 11.6

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.3 AU - 1.96 AU

Year: 1388 Days

Day: 11.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,426,647 km

• M1: 144,212 km (0.073 R)
• M2: 530,175 km (0.118 R)
• M3: 1,048,083 km (0.11 R)
• M4: 2,023,162 km (0.112 R)
• M5: 2,476,443 km (0.101 R)
• M6: 3,098,621 km (0.115 R)
• M7: 3,959,257 km (0.095 R)
• M8: 4,952,438 km (0.061 R)
• M9: 5,410,805 km (0.075 R)
• M10: 5,965,813 km (0.036 R)
• M11: 7,890,091 km (0.083 R)
• M12: 8,371,646 km (0.066 R)
• M13: 12,014,803 km (0.059 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89

Radius: 3.8

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.03 AU - 7.48 AU

Year: 10420 Days

Day: 22.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,426,647 km

• M1: 47,722 km (0.106 R)
• M2: 210,185 km (0.118 R)
• M3: 474,973 km (0.06 R)
• M4: 902,225 km (0.12 R)
• M5: 1,879,248 km (0.064 R)
• M6: 2,055,026 km (0.106 R)
• M7: 2,256,684 km (0.076 R)
• M8: 2,784,316 km (0.115 R)
• M9: 2,941,543 km (0.072 R)
• M10: 4,586,970 km (0.07 R)
• M11: 8,662,913 km (0.069 R)
• M12: 8,885,665 km (0.095 R)
• M13: 13,038,950 km (0.055 R)
• M14: 15,998,595 km (0.079 R)
• M15: 16,221,795 km (0.1 R)
• M16: 16,845,917 km (0.077 R)
• M17: 18,445,717 km (0.087 R)
• M18: 19,313,833 km (0.093 R)
• M19: 20,208,877 km (0.059 R)
• M20: 22,150,059 km (0.107 R)
• M21: 23,703,035 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.5

Radius: 3.6

Gravity: 16.55 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.03 AU - 9.57 AU

Year: 15946 Days

Day: 19.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,426,647 km

• M1: 44,879 km (0.097 R)
• M2: 274,512 km (0.075 R)
• M3: 405,111 km (0.106 R)
• M4: 543,639 km (0.07 R)
• M5: 1,050,626 km (0.089 R)
• M6: 3,851,248 km (0.105 R)
• M7: 6,503,767 km (0.088 R)
• M8: 8,930,095 km (0.111 R)
• M9: 11,843,663 km (0.065 R)
• M10: 14,561,258 km (0.106 R)
• M11: 18,396,349 km (0.083 R)
• M12: 19,992,409 km (0.043 R)
• M13: 22,768,347 km (0.104 R)
• M14: 27,882,051 km (0.096 R)
• M15: 28,372,732 km (0.093 R)
• M16: 34,830,274 km (0.098 R)
• M17: 38,096,743 km (0.045 R)
• M18: 41,307,263 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 17,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit