🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.2

Radius: 11.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.67 AU - 0.71 AU

Year: 370 Days

Day: 7.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,627,265 km

• M1: 147,952 km (0.067 R)
• M2: 544,985 km (0.118 R)
• M3: 1,044,343 km (0.115 R)
• M4: 1,434,943 km (0.116 R)
• M5: 1,875,658 km (0.041 R)
• M6: 2,283,312 km (0.052 R)
• M7: 2,806,306 km (0.118 R)
• M8: 3,229,519 km (0.081 R)
• M9: 3,672,628 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771

Radius: 12.6

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.52 AU - 0.86 AU

Year: 370 Days

Day: 5.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,627,265 km

• M1: 156,779 km (0.102 R)
• M2: 687,253 km (0.089 R)
• M3: 1,091,466 km (0.117 R)
• M4: 1,521,410 km (0.081 R)
• M5: 2,453,854 km (0.063 R)
• M6: 3,026,664 km (0.104 R)
• M7: 3,555,044 km (0.097 R)
• M8: 4,264,886 km (0.078 R)
• M9: 4,755,118 km (0.093 R)
• M10: 5,377,295 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.7

Radius: 11.3

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.3 AU - 3.44 AU

Year: 3139 Days

Day: 9.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,627,265 km

• M1: 142,866 km (0.062 R)
• M2: 520,750 km (0.046 R)
• M3: 1,882,988 km (0.06 R)
• M4: 2,504,867 km (0.037 R)
• M5: 7,524,025 km (0.079 R)
• M6: 9,088,669 km (0.067 R)
• M7: 11,959,452 km (0.097 R)
• M8: 13,293,416 km (0.084 R)

Asteroid Belt

Center: 6.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.1

Radius: 7.8

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.34 AU - 11.06 AU

Year: 18018 Days

Day: 21.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 43,627,265 km

• M1: 97,089 km (0.099 R)
• M2: 523,593 km (0.081 R)
• M3: 777,161 km (0.114 R)
• M4: 1,052,571 km (0.105 R)
• M5: 1,550,283 km (0.07 R)
• M6: 2,679,148 km (0.089 R)
• M7: 3,253,454 km (0.113 R)
• M8: 4,251,721 km (0.084 R)
• M9: 4,703,507 km (0.086 R)
• M10: 5,736,480 km (0.096 R)
• M11: 7,498,444 km (0.117 R)
• M12: 8,286,525 km (0.118 R)
• M13: 8,856,643 km (0.114 R)
• M14: 10,075,117 km (0.116 R)
• M15: 12,611,848 km (0.096 R)
• M16: 14,647,277 km (0.096 R)
• M17: 15,676,959 km (0.119 R)
• M18: 16,142,358 km (0.078 R)
• M19: 16,961,556 km (0.106 R)
• M20: 17,665,115 km (0.111 R)
• M21: 18,461,275 km (0.076 R)
• M22: 22,720,476 km (0.114 R)
• M23: 23,922,943 km (0.115 R)
• M24: 24,451,174 km (0.084 R)
• M25: 28,172,869 km (0.1 R)
• M26: 30,475,181 km (0.114 R)
• M27: 32,042,518 km (0.108 R)
• M28: 32,469,470 km (0.102 R)
• M29: 33,225,687 km (0.11 R)
• M30: 33,772,916 km (0.104 R)
• M31: 36,599,867 km (0.115 R)
• M32: 38,972,040 km (0.112 R)
• M33: 39,703,125 km (0.059 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 13,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit