🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.3

Radius: 9

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.55 AU - 0.63 AU

Year: 302 Days

Day: 12.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,060,945 km

• M1: 116,238 km (0.071 R)
• M2: 422,913 km (0.063 R)
• M3: 806,931 km (0.103 R)
• M4: 1,209,349 km (0.118 R)
• M5: 1,566,589 km (0.063 R)
• M6: 1,963,472 km (0.081 R)
• M7: 2,534,786 km (0.066 R)
• M8: 2,840,116 km (0.062 R)
• M9: 3,344,560 km (0.064 R)
• M10: 4,019,844 km (0.092 R)
• M11: 4,437,372 km (0.083 R)
• M12: 4,941,367 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.1

Radius: 10.5

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.53 AU - 0.67 AU

Year: 310 Days

Day: 7.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,060,945 km

• M1: 130,599 km (0.096 R)
• M2: 457,470 km (0.039 R)
• M3: 802,892 km (0.08 R)
• M4: 1,155,793 km (0.115 R)
• M5: 1,522,607 km (0.059 R)
• M6: 1,854,266 km (0.103 R)
• M7: 2,303,358 km (0.106 R)
• M8: 3,987,980 km (0.085 R)
• M9: 4,408,051 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.2

Radius: 11.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.14 AU - 1.3 AU

Year: 899 Days

Day: 9 Hours

Environment

Temp: -190 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,060,945 km

• M1: 149,149 km (0.072 R)
• M2: 626,815 km (0.105 R)
• M3: 1,168,808 km (0.092 R)
• M4: 1,578,706 km (0.107 R)
• M5: 2,033,035 km (0.106 R)
• M6: 2,413,313 km (0.111 R)
• M7: 3,992,019 km (0.115 R)
• M8: 4,518,903 km (0.102 R)
• M9: 5,208,699 km (0.105 R)
• M10: 6,598,612 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.7

Radius: 3.5

Gravity: 71.49 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.46 AU - 10.66 AU

Year: 21278 Days

Day: 23.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,060,945 km

• M1: 45,777 km (0.095 R)
• M2: 458,667 km (0.113 R)
• M3: 1,520,812 km (0.079 R)
• M4: 1,644,230 km (0.106 R)
• M5: 1,972,598 km (0.029 R)
• M6: 2,888,585 km (0.032 R)
• M7: 3,545,021 km (0.111 R)
• M8: 4,260,847 km (0.094 R)
• M9: 4,876,143 km (0.117 R)
• M10: 7,881,863 km (0.07 R)
• M11: 9,497,071 km (0.111 R)
• M12: 9,796,117 km (0.111 R)
• M13: 10,476,339 km (0.104 R)
• M14: 10,990,357 km (0.116 R)
• M15: 11,453,811 km (0.088 R)
• M16: 17,889,961 km (0.087 R)
• M17: 20,943,253 km (0.119 R)
• M18: 21,757,365 km (0.078 R)
• M19: 24,660,910 km (0.095 R)
• M20: 28,056,033 km (0.075 R)
• M21: 32,687,434 km (0.057 R)
• M22: 36,042,615 km (0.12 R)
• M23: 40,083,253 km (0.087 R)
• M24: 40,706,478 km (0.08 R)
• M25: 42,938,478 km (0.075 R)
• M26: 47,470,845 km (0.076 R)
• M27: 55,329,969 km (0.03 R)
• M28: 64,437,338 km (0.051 R)
• M29: 69,455,599 km (0.11 R)
• M30: 78,549,354 km (0.077 R)
• M31: 82,247,862 km (0.119 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: 454 - 12,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit