🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.8

Radius: 12

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.76 AU - 0.86 AU

Year: 503 Days

Day: 9.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,734,290 km

• M1: 149,299 km (0.085 R)
• M2: 590,014 km (0.118 R)
• M3: 1,003,802 km (0.028 R)
• M4: 1,399,787 km (0.094 R)
• M5: 2,249,354 km (0.109 R)
• M6: 3,145,295 km (0.098 R)
• M7: 3,622,812 km (0.097 R)
• M8: 5,065,982 km (0.119 R)
• M9: 5,599,598 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.4

Radius: 10.4

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.04 AU - 1.6 AU

Year: 1047 Days

Day: 7.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 11,734,290 km

• M1: 129,402 km (0.089 R)
• M2: 474,076 km (0.071 R)
• M3: 926,011 km (0.114 R)
• M4: 1,257,520 km (0.066 R)
• M5: 1,585,737 km (0.098 R)
• M6: 1,962,574 km (0.095 R)
• M7: 2,410,321 km (0.082 R)
• M8: 2,737,940 km (0.087 R)
• M9: 3,369,991 km (0.075 R)
• M10: 3,705,988 km (0.115 R)
• M11: 4,549,570 km (0.094 R)
• M12: 4,924,612 km (0.094 R)
• M13: 5,320,448 km (0.094 R)
• M14: 5,839,852 km (0.083 R)
• M15: 6,795,782 km (0.073 R)
• M16: 8,341,876 km (0.118 R)
• M17: 8,715,123 km (0.057 R)
• M18: 9,697,233 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983

Radius: 13

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.15 AU - 2.91 AU

Year: 2778 Days

Day: 6 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 11,734,290 km

• M1: 161,715 km (0.08 R)
• M2: 621,579 km (0.098 R)
• M3: 1,036,414 km (0.026 R)
• M4: 1,635,404 km (0.054 R)
• M5: 2,300,366 km (0.103 R)
• M6: 2,785,213 km (0.093 R)
• M7: 3,412,477 km (0.056 R)
• M8: 3,922,905 km (0.072 R)
• M9: 4,713,979 km (0.091 R)
• M10: 5,876,653 km (0.115 R)
• M11: 6,762,422 km (0.07 R)
• M12: 8,272,912 km (0.111 R)
• M13: 9,765,300 km (0.102 R)
• M14: 10,313,876 km (0.104 R)
• M15: 11,907,542 km (0.115 R)
• M16: 13,182,864 km (0.06 R)
• M17: 14,851,628 km (0.108 R)
• M18: 15,790,055 km (0.098 R)
• M19: 17,670,201 km (0.11 R)
• M20: 19,510,853 km (0.12 R)
• M21: 20,892,390 km (0.12 R)
• M22: 21,937,481 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.3

Radius: 10.9

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.8 AU - 2.96 AU

Year: 3374 Days

Day: 8.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,734,290 km

• M1: 135,685 km (0.11 R)
• M2: 587,471 km (0.105 R)
• M3: 1,271,881 km (0.067 R)
• M4: 2,433,957 km (0.101 R)
• M5: 2,940,197 km (0.086 R)
• M6: 3,409,934 km (0.117 R)
• M7: 4,130,996 km (0.114 R)
• M8: 4,647,707 km (0.099 R)
• M9: 5,147,214 km (0.087 R)
• M10: 6,985,622 km (0.072 R)
• M11: 7,747,075 km (0.12 R)
• M12: 8,284,730 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 13,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit