🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.49 AU - 0.67 AU

Year: 285 Days

Day: 28.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.89 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.4

Radius: 10

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.98 AU - 3.4 AU

Year: 3679 Days

Day: 11.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,560,513 km

• M1: 124,316 km (0.113 R)
• M2: 502,050 km (0.112 R)
• M3: 856,597 km (0.1 R)
• M4: 2,392,968 km (0.106 R)
• M5: 2,948,424 km (0.039 R)
• M6: 4,549,421 km (0.066 R)
• M7: 4,963,957 km (0.107 R)
• M8: 5,869,323 km (0.117 R)
• M9: 7,071,043 km (0.109 R)
• M10: 10,198,386 km (0.076 R)
• M11: 11,039,724 km (0.069 R)
• M12: 12,248,176 km (0.078 R)
• M13: 17,614,850 km (0.071 R)
• M14: 17,972,239 km (0.12 R)
• M15: 18,639,895 km (0.103 R)
• M16: 20,545,173 km (0.116 R)
• M17: 22,091,267 km (0.068 R)
• M18: 22,787,047 km (0.09 R)
• M19: 23,354,172 km (0.115 R)
• M20: 24,516,697 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.6

Radius: 10

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.03 AU - 3.51 AU

Year: 3818 Days

Day: 14.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 19,560,513 km

• M1: 124,316 km (0.034 R)
• M2: 446,550 km (0.066 R)
• M3: 814,261 km (0.09 R)
• M4: 1,159,533 km (0.079 R)
• M5: 2,342,104 km (0.105 R)
• M6: 2,753,947 km (0.083 R)
• M7: 3,155,917 km (0.082 R)
• M8: 3,618,025 km (0.117 R)
• M9: 4,264,587 km (0.089 R)
• M10: 5,362,934 km (0.045 R)
• M11: 5,875,157 km (0.066 R)
• M12: 6,203,973 km (0.063 R)
• M13: 6,672,215 km (0.066 R)
• M14: 6,997,291 km (0.087 R)
• M15: 9,497,969 km (0.111 R)
• M16: 10,464,072 km (0.104 R)
• M17: 11,264,869 km (0.116 R)
• M18: 13,139,331 km (0.074 R)
• M19: 15,664,094 km (0.088 R)
• M20: 16,123,958 km (0.095 R)
• M21: 17,742,756 km (0.043 R)
• M22: 18,179,432 km (0.066 R)
• M23: 18,559,561 km (0.098 R)
• M24: 21,794,166 km (0.119 R)
• M25: 22,439,830 km (0.059 R)
• M26: 23,024,608 km (0.109 R)
• M27: 23,996,246 km (0.031 R)
• M28: 25,781,996 km (0.098 R)
• M29: 28,157,760 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.8

Radius: 8.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.53 AU - 5.21 AU

Year: 5898 Days

Day: 6.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,560,513 km

• M1: 105,915 km (0.075 R)
• M2: 371,302 km (0.08 R)
• M3: 2,099,905 km (0.114 R)
• M4: 2,671,220 km (0.044 R)
• M5: 3,203,339 km (0.109 R)
• M6: 3,596,034 km (0.046 R)
• M7: 5,930,808 km (0.1 R)
• M8: 12,265,529 km (0.073 R)
• M9: 14,335,515 km (0.07 R)
• M10: 15,107,141 km (0.108 R)
• M11: 16,680,611 km (0.115 R)
• M12: 18,193,046 km (0.053 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: 510 - 15,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit