🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.6

Radius: 10.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.77 AU - 0.85 AU

Year: 471 Days

Day: 10 Hours

Environment

Temp: -140 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,733,464 km

• M1: 134,339 km (0.046 R)
• M2: 795,113 km (0.059 R)
• M3: 1,138,589 km (0.066 R)
• M4: 1,596,209 km (0.098 R)
• M5: 2,145,533 km (0.095 R)
• M6: 2,633,072 km (0.03 R)
• M7: 3,020,231 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.6

Radius: 10.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.79 AU - 1.21 AU

Year: 646 Days

Day: 9.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,733,464 km

• M1: 130,599 km (0.1 R)
• M2: 476,320 km (0.119 R)
• M3: 828,772 km (0.113 R)
• M4: 1,577,958 km (0.092 R)
• M5: 2,069,537 km (0.103 R)
• M6: 2,449,216 km (0.115 R)
• M7: 3,134,674 km (0.113 R)
• M8: 5,069,573 km (0.117 R)
• M9: 5,565,789 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.9

Radius: 10.1

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.64 AU - 1.86 AU

Year: 1495 Days

Day: 5.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,733,464 km

• M1: 126,560 km (0.098 R)
• M2: 665,262 km (0.077 R)
• M3: 1,586,485 km (0.115 R)
• M4: 1,936,544 km (0.078 R)
• M5: 3,017,838 km (0.113 R)
• M6: 3,466,781 km (0.089 R)
• M7: 4,223,447 km (0.098 R)
• M8: 4,985,199 km (0.075 R)
• M9: 5,994,387 km (0.053 R)
• M10: 6,439,141 km (0.106 R)
• M11: 7,032,147 km (0.055 R)
• M12: 8,017,399 km (0.119 R)
• M13: 9,617,049 km (0.11 R)
• M14: 10,227,558 km (0.072 R)
• M15: 11,419,404 km (0.027 R)
• M16: 11,957,807 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.1

Radius: 14.5

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.56 AU - 3.92 AU

Year: 4670 Days

Day: 13.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,733,464 km

• M1: 186,249 km (0.107 R)
• M2: 651,050 km (0.112 R)
• M3: 1,137,393 km (0.094 R)
• M4: 1,823,149 km (0.092 R)
• M5: 2,691,116 km (0.116 R)
• M6: 3,489,969 km (0.108 R)
• M7: 4,339,984 km (0.071 R)
• M8: 7,862,565 km (0.116 R)
• M9: 10,242,667 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.7

Radius: 10.3

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.14 AU - 4.4 AU

Year: 4726 Days

Day: 10.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,733,464 km

• M1: 128,205 km (0.067 R)
• M2: 448,943 km (0.096 R)
• M3: 1,335,759 km (0.095 R)
• M4: 1,761,216 km (0.105 R)
• M5: 2,125,187 km (0.089 R)
• M6: 2,923,142 km (0.065 R)
• M7: 3,808,014 km (0.108 R)
• M8: 4,536,256 km (0.088 R)
• M9: 4,958,122 km (0.082 R)
• M10: 5,431,599 km (0.102 R)
• M11: 6,974,552 km (0.096 R)
• M12: 10,336,614 km (0.055 R)
• M13: 10,821,312 km (0.068 R)
• M14: 11,576,930 km (0.106 R)
• M15: 12,502,343 km (0.115 R)
• M16: 13,052,863 km (0.113 R)
• M17: 13,667,561 km (0.097 R)
• M18: 14,903,688 km (0.12 R)
• M19: 15,470,514 km (0.034 R)
• M20: 16,647,550 km (0.088 R)
• M21: 17,090,061 km (0.08 R)
• M22: 20,981,401 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.1

Radius: 4.5

Gravity: 46.82 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.66 AU - 6.84 AU

Year: 10089 Days

Day: 17.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,733,464 km

• M1: 55,950 km (0.105 R)
• M2: 406,906 km (0.112 R)
• M3: 855,101 km (0.108 R)
• M4: 1,184,516 km (0.049 R)
• M5: 1,378,694 km (0.098 R)
• M6: 1,950,158 km (0.029 R)
• M7: 2,260,125 km (0.103 R)
• M8: 2,539,573 km (0.102 R)
• M9: 2,864,051 km (0.081 R)
• M10: 3,095,330 km (0.049 R)
• M11: 3,595,435 km (0.092 R)
• M12: 3,892,537 km (0.058 R)
• M13: 4,474,323 km (0.102 R)
• M14: 4,628,409 km (0.046 R)
• M15: 5,045,787 km (0.069 R)
• M16: 6,887,187 km (0.077 R)
• M17: 9,996,728 km (0.114 R)
• M18: 10,154,404 km (0.081 R)
• M19: 10,583,301 km (0.062 R)
• M20: 12,420,363 km (0.089 R)
• M21: 12,910,745 km (0.12 R)
• M22: 13,286,984 km (0.059 R)
• M23: 15,070,938 km (0.059 R)
• M24: 17,997,970 km (0.089 R)
• M25: 22,520,463 km (0.111 R)
• M26: 26,823,646 km (0.106 R)
• M27: 29,113,990 km (0.091 R)
• M28: 34,917,489 km (0.075 R)
• M29: 35,524,857 km (0.107 R)
• M30: 38,409,403 km (0.034 R)
• M31: 44,497,438 km (0.037 R)
• M32: 48,743,624 km (0.113 R)
• M33: 50,114,239 km (0.055 R)
• M34: 53,251,756 km (0.06 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 15,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit