🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.47 AU - 0.61 AU

Year: 252 Days

Day: 33.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 154.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627

Radius: 12.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.08 AU - 1.18 AU

Year: 764 Days

Day: 5.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,786,855 km

• M1: 188,045 km (0.082 R)
• M2: 592,557 km (0.06 R)
• M3: 1,079,498 km (0.119 R)
• M4: 1,556,566 km (0.101 R)
• M5: 2,006,407 km (0.095 R)
• M6: 2,554,384 km (0.098 R)
• M7: 2,978,194 km (0.079 R)
• M8: 3,838,532 km (0.099 R)
• M9: 4,335,645 km (0.055 R)
• M10: 5,817,412 km (0.111 R)
• M11: 6,413,859 km (0.103 R)
• M12: 7,683,197 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382

Radius: 8.2

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.28 AU - 1.82 AU

Year: 1227 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,786,855 km

• M1: 102,175 km (0.071 R)
• M2: 511,774 km (0.116 R)
• M3: 1,083,837 km (0.108 R)
• M4: 1,418,637 km (0.111 R)
• M5: 1,749,996 km (0.112 R)
• M6: 2,300,815 km (0.084 R)
• M7: 3,093,086 km (0.086 R)
• M8: 3,380,164 km (0.03 R)
• M9: 3,715,114 km (0.074 R)
• M10: 4,201,456 km (0.078 R)
• M11: 4,624,070 km (0.079 R)
• M12: 4,982,357 km (0.064 R)
• M13: 5,282,151 km (0.088 R)
• M14: 5,613,959 km (0.104 R)
• M15: 7,176,509 km (0.032 R)
• M16: 7,608,548 km (0.08 R)
• M17: 7,956,363 km (0.108 R)
• M18: 8,340,979 km (0.118 R)
• M19: 9,598,050 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.3

Radius: 4.8

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.18 AU - 6.98 AU

Year: 10732 Days

Day: 24.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,786,855 km

• M1: 59,690 km (0.111 R)
• M2: 409,150 km (0.093 R)
• M3: 694,433 km (0.111 R)
• M4: 1,093,860 km (0.117 R)
• M5: 1,373,608 km (0.108 R)
• M6: 1,646,474 km (0.089 R)
• M7: 2,283,611 km (0.036 R)
• M8: 5,109,366 km (0.036 R)
• M9: 6,014,582 km (0.073 R)
• M10: 8,097,882 km (0.084 R)
• M11: 8,736,366 km (0.059 R)
• M12: 9,450,845 km (0.087 R)
• M13: 10,432,357 km (0.095 R)
• M14: 10,852,877 km (0.045 R)
• M15: 11,043,315 km (0.098 R)
• M16: 11,479,991 km (0.094 R)
• M17: 11,877,772 km (0.049 R)
• M18: 14,690,511 km (0.117 R)
• M19: 15,100,110 km (0.119 R)
• M20: 15,397,361 km (0.09 R)
• M21: 15,577,477 km (0.102 R)
• M22: 17,006,286 km (0.095 R)
• M23: 18,452,449 km (0.113 R)
• M24: 20,193,020 km (0.071 R)
• M25: 25,058,840 km (0.063 R)
• M26: 29,159,467 km (0.105 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 16,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit