🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.4

Radius: 8.3

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.54 AU - 0.54 AU

Year: 265 Days

Day: 9.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,378,174 km

• M1: 103,522 km (0.099 R)
• M2: 408,701 km (0.063 R)
• M3: 1,059,303 km (0.028 R)
• M4: 1,398,441 km (0.106 R)
• M5: 2,055,475 km (0.107 R)
• M6: 2,396,558 km (0.068 R)
• M7: 2,969,817 km (0.069 R)
• M8: 3,449,428 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 13.8

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.36 AU - 2 AU

Year: 1452 Days

Day: 5.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,378,174 km

• M1: 171,589 km (0.091 R)
• M2: 629,657 km (0.116 R)
• M3: 1,062,893 km (0.076 R)
• M4: 1,551,031 km (0.047 R)
• M5: 2,491,852 km (0.098 R)
• M6: 3,701,201 km (0.057 R)
• M7: 4,678,823 km (0.106 R)
• M8: 5,314,016 km (0.074 R)
• M9: 6,459,786 km (0.072 R)
• M10: 6,961,836 km (0.077 R)
• M11: 8,130,495 km (0.078 R)
• M12: 8,627,160 km (0.101 R)
• M13: 10,040,710 km (0.051 R)
• M14: 12,771,170 km (0.089 R)
• M15: 13,646,168 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.4

Radius: 11.1

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.23 AU - 2.85 AU

Year: 2699 Days

Day: 9.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,378,174 km

• M1: 138,079 km (0.099 R)
• M2: 821,143 km (0.084 R)
• M3: 1,329,775 km (0.113 R)
• M4: 1,715,140 km (0.09 R)
• M5: 2,593,728 km (0.107 R)
• M6: 3,479,347 km (0.11 R)
• M7: 4,013,262 km (0.104 R)
• M8: 4,510,525 km (0.031 R)
• M9: 6,954,655 km (0.075 R)
• M10: 8,035,799 km (0.12 R)
• M11: 8,863,973 km (0.092 R)
• M12: 10,449,262 km (0.065 R)
• M13: 12,349,155 km (0.114 R)
• M14: 12,755,163 km (0.111 R)
• M15: 13,689,402 km (0.094 R)
• M16: 14,222,419 km (0.084 R)
• M17: 15,746,522 km (0.093 R)
• M18: 16,277,894 km (0.116 R)
• M19: 16,656,975 km (0.095 R)
• M20: 17,887,118 km (0.101 R)
• M21: 19,236,790 km (0.067 R)
• M22: 19,844,307 km (0.089 R)
• M23: 21,744,051 km (0.043 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.1

Radius: 4.7

Gravity: 27.62 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.02 AU - 11.54 AU

Year: 18852 Days

Day: 22.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,378,174 km

• M1: 58,493 km (0.078 R)
• M2: 416,331 km (0.066 R)
• M3: 948,002 km (0.067 R)
• M4: 1,602,044 km (0.052 R)
• M5: 1,809,237 km (0.051 R)
• M6: 2,133,116 km (0.1 R)
• M7: 2,749,758 km (0.115 R)
• M8: 3,620,418 km (0.117 R)
• M9: 9,007,587 km (0.078 R)
• M10: 11,757,944 km (0.077 R)
• M11: 15,247,464 km (0.093 R)
• M12: 19,459,242 km (0.093 R)
• M13: 23,461,733 km (0.102 R)
• M14: 31,912,218 km (0.115 R)
• M15: 34,335,404 km (0.085 R)
• M16: 41,886,207 km (0.083 R)
• M17: 43,396,098 km (0.06 R)
• M18: 65,435,754 km (0.112 R)
• M19: 67,671,195 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 17,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit