🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.8

Radius: 10.4

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.58 AU - 0.94 AU

Year: 421 Days

Day: 7.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 51,145,325 km

• M1: 129,402 km (0.066 R)
• M2: 455,526 km (0.094 R)
• M3: 1,146,817 km (0.098 R)
• M4: 1,672,355 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.2

Radius: 11.6

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.27 AU - 1.41 AU

Year: 986 Days

Day: 14.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 130.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,145,325 km

• M1: 144,212 km (0.095 R)
• M2: 544,536 km (0.115 R)
• M3: 994,078 km (0.05 R)
• M4: 1,712,297 km (0.116 R)
• M5: 2,343,600 km (0.109 R)
• M6: 3,503,881 km (0.068 R)
• M7: 4,072,952 km (0.117 R)
• M8: 4,509,029 km (0.119 R)
• M9: 4,902,472 km (0.097 R)
• M10: 6,072,327 km (0.094 R)
• M11: 6,803,262 km (0.049 R)
• M12: 8,281,888 km (0.109 R)
• M13: 8,764,640 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.1

Radius: 8

Gravity: 12.3 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.48 AU - 1.68 AU

Year: 1263 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,145,325 km

• M1: 99,483 km (0.105 R)
• M2: 487,689 km (0.096 R)
• M3: 1,138,589 km (0.086 R)
• M4: 1,723,667 km (0.092 R)
• M5: 2,219,584 km (0.056 R)
• M6: 2,661,197 km (0.117 R)
• M7: 3,279,335 km (0.081 R)
• M8: 3,654,826 km (0.113 R)
• M9: 4,024,183 km (0.079 R)
• M10: 4,624,669 km (0.056 R)
• M11: 5,537,964 km (0.086 R)
• M12: 5,845,387 km (0.114 R)
• M13: 6,140,993 km (0.066 R)
• M14: 8,760,152 km (0.111 R)
• M15: 9,547,037 km (0.113 R)
• M16: 9,798,361 km (0.053 R)
• M17: 10,086,487 km (0.089 R)
• M18: 10,347,236 km (0.085 R)
• M19: 11,330,692 km (0.101 R)
• M20: 12,227,232 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.4

Radius: 4.2

Gravity: 37.61 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.59 AU - 6.95 AU

Year: 11200 Days

Day: 21.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,145,325 km

• M1: 52,359 km (0.115 R)
• M2: 261,497 km (0.066 R)
• M3: 473,328 km (0.106 R)
• M4: 642,074 km (0.034 R)
• M5: 869,912 km (0.101 R)
• M6: 1,024,745 km (0.117 R)
• M7: 1,234,930 km (0.103 R)
• M8: 1,390,811 km (0.12 R)
• M9: 1,921,884 km (0.071 R)
• M10: 2,096,016 km (0.102 R)
• M11: 3,106,400 km (0.115 R)
• M12: 3,864,711 km (0.111 R)
• M13: 4,286,877 km (0.087 R)
• M14: 5,090,516 km (0.109 R)
• M15: 5,222,611 km (0.077 R)
• M16: 5,562,647 km (0.071 R)
• M17: 6,137,253 km (0.03 R)
• M18: 6,593,377 km (0.028 R)
• M19: 7,920,160 km (0.115 R)
• M20: 8,834,053 km (0.083 R)
• M21: 9,867,176 km (0.117 R)
• M22: 12,888,904 km (0.1 R)
• M23: 15,419,202 km (0.048 R)
• M24: 17,879,339 km (0.111 R)
• M25: 18,649,768 km (0.099 R)
• M26: 19,765,469 km (0.1 R)
• M27: 24,957,263 km (0.111 R)
• M28: 25,147,552 km (0.059 R)
• M29: 31,098,705 km (0.069 R)
• M30: 43,719,978 km (0.099 R)
• M31: 44,833,734 km (0.116 R)
• M32: 50,992,229 km (0.119 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 10,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit