🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270

Radius: 10.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.67 AU - 0.81 AU

Year: 447 Days

Day: 10.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,447,318 km

• M1: 133,142 km (0.065 R)
• M2: 663,766 km (0.086 R)
• M3: 1,015,470 km (0.077 R)
• M4: 1,390,961 km (0.075 R)
• M5: 1,736,682 km (0.084 R)
• M6: 2,079,261 km (0.1 R)
• M7: 3,111,187 km (0.112 R)
• M8: 4,176,922 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.6

Radius: 9.2

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.67 AU - 2.99 AU

Year: 3346 Days

Day: 14.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,447,318 km

• M1: 114,442 km (0.117 R)
• M2: 431,291 km (0.096 R)
• M3: 1,158,636 km (0.117 R)
• M4: 2,058,317 km (0.079 R)
• M5: 2,431,115 km (0.105 R)
• M6: 4,655,785 km (0.083 R)
• M7: 6,220,579 km (0.095 R)
• M8: 6,860,409 km (0.039 R)
• M9: 9,010,130 km (0.075 R)
• M10: 9,467,152 km (0.059 R)
• M11: 10,619,504 km (0.113 R)
• M12: 11,249,760 km (0.055 R)
• M13: 13,929,207 km (0.089 R)
• M14: 14,877,359 km (0.052 R)
• M15: 17,705,955 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.6

Radius: 12.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.22 AU - 4.98 AU

Year: 6935 Days

Day: 10.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,447,318 km

• M1: 179,218 km (0.073 R)
• M2: 1,249,591 km (0.102 R)
• M3: 2,079,710 km (0.102 R)
• M4: 2,634,867 km (0.098 R)
• M5: 3,214,409 km (0.111 R)
• M6: 3,653,629 km (0.1 R)
• M7: 4,944,060 km (0.051 R)
• M8: 8,440,611 km (0.107 R)
• M9: 9,321,892 km (0.079 R)
• M10: 10,142,436 km (0.102 R)
• M11: 13,228,790 km (0.072 R)
• M12: 15,893,278 km (0.093 R)
• M13: 16,723,995 km (0.114 R)
• M14: 20,147,392 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.8

Radius: 3.1

Gravity: 39.21 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.98 AU - 9 AU

Year: 15876 Days

Day: 20.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,447,318 km

• M1: 38,596 km (0.087 R)
• M2: 194,776 km (0.111 R)
• M3: 300,991 km (0.1 R)
• M4: 547,379 km (0.116 R)
• M5: 795,561 km (0.114 R)
• M6: 1,010,085 km (0.089 R)
• M7: 1,568,833 km (0.05 R)
• M8: 2,100,952 km (0.106 R)
• M9: 2,308,894 km (0.094 R)
• M10: 2,593,279 km (0.093 R)
• M11: 2,743,924 km (0.108 R)
• M12: 4,808,674 km (0.11 R)
• M13: 11,007,561 km (0.09 R)
• M14: 11,574,836 km (0.117 R)
• M15: 11,924,446 km (0.109 R)
• M16: 12,101,869 km (0.066 R)
• M17: 12,461,951 km (0.093 R)
• M18: 13,973,788 km (0.071 R)
• M19: 20,560,432 km (0.102 R)
• M20: 21,072,655 km (0.118 R)
• M21: 27,589,438 km (0.095 R)
• M22: 30,028,481 km (0.082 R)
• M23: 30,247,044 km (0.113 R)
• M24: 34,366,221 km (0.097 R)
• M25: 37,563,277 km (0.116 R)
• M26: 39,626,082 km (0.083 R)
• M27: 39,889,075 km (0.102 R)
• M28: 45,253,954 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 18,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit