🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.43 AU - 0.61 AU

Year: 138 Days

Day: 25.2 Hours

Environment

Temp: 218 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.3

Radius: 10.1

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.18 AU - 10.14 AU

Year: 9355 Days

Day: 6.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,854,266 km

• M1: 126,261 km (0.104 R)
• M2: 604,375 km (0.111 R)
• M3: 1,034,768 km (0.1 R)
• M4: 1,652,757 km (0.118 R)
• M5: 2,481,978 km (0.07 R)
• M6: 2,870,484 km (0.049 R)
• M7: 3,276,044 km (0.098 R)
• M8: 4,758,259 km (0.086 R)
• M9: 6,196,344 km (0.072 R)
• M10: 6,799,223 km (0.118 R)
• M11: 7,482,138 km (0.108 R)
• M12: 9,609,120 km (0.104 R)
• M13: 9,957,234 km (0.114 R)
• M14: 13,235,971 km (0.103 R)
• M15: 13,605,178 km (0.047 R)
• M16: 20,409,488 km (0.071 R)
• M17: 23,579,766 km (0.115 R)
• M18: 25,994,724 km (0.115 R)
• M19: 26,380,238 km (0.044 R)
• M20: 29,395,234 km (0.057 R)
• M21: 31,966,971 km (0.1 R)
• M22: 33,307,517 km (0.105 R)
• M23: 35,861,901 km (0.106 R)
• M24: 36,340,016 km (0.119 R)

Planet 3 - Ice Giant

Semi-Major Axis: 13.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.9

Radius: 6

Gravity: 19.28 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 10.54 AU - 16.7 AU

Year: 18452 Days

Day: 24.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,854,266 km

• M1: 74,649 km (0.089 R)
• M2: 376,538 km (0.089 R)
• M3: 1,049,878 km (0.109 R)
• M4: 1,645,726 km (0.09 R)
• M5: 2,188,467 km (0.104 R)
• M6: 2,843,556 km (0.076 R)
• M7: 3,859,326 km (0.114 R)
• M8: 4,075,794 km (0.093 R)
• M9: 4,952,138 km (0.081 R)
• M10: 5,628,321 km (0.108 R)
• M11: 7,877,076 km (0.114 R)
• M12: 9,336,553 km (0.103 R)
• M13: 10,723,774 km (0.078 R)
• M14: 11,215,203 km (0.104 R)
• M15: 11,657,414 km (0.111 R)
• M16: 12,111,144 km (0.111 R)
• M17: 15,623,254 km (0.086 R)
• M18: 16,254,706 km (0.071 R)
• M19: 17,067,621 km (0.097 R)
• M20: 18,424,175 km (0.117 R)
• M21: 23,124,839 km (0.112 R)
• M22: 23,634,818 km (0.114 R)
• M23: 27,303,257 km (0.072 R)
• M24: 29,629,205 km (0.098 R)
• M25: 32,463,636 km (0.087 R)
• M26: 33,360,924 km (0.058 R)
• M27: 42,344,575 km (0.106 R)
• M28: 42,954,336 km (0.117 R)
• M29: 55,860,144 km (0.083 R)
• M30: 58,454,470 km (0.063 R)
• M31: 63,284,836 km (0.08 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.9

Radius: 6.9

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 11.6 AU - 16.96 AU

Year: 19809 Days

Day: 18.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,854,266 km

• M1: 120,277 km (0.056 R)
• M2: 392,246 km (0.063 R)
• M3: 615,446 km (0.085 R)
• M4: 1,208,452 km (0.119 R)
• M5: 1,887,925 km (0.117 R)
• M6: 2,684,235 km (0.108 R)
• M7: 4,860,884 km (0.105 R)
• M8: 5,233,981 km (0.068 R)
• M9: 7,208,523 km (0.102 R)
• M10: 9,152,398 km (0.073 R)
• M11: 11,371,533 km (0.057 R)
• M12: 14,975,345 km (0.093 R)
• M13: 21,781,001 km (0.112 R)
• M14: 22,873,365 km (0.117 R)
• M15: 31,366,335 km (0.115 R)
• M16: 33,673,733 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.6

Radius: 5.1

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 15.9 AU - 23.6 AU

Year: 32220 Days

Day: 16 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,854,266 km

• M1: 63,579 km (0.064 R)
• M2: 323,281 km (0.119 R)
• M3: 679,324 km (0.067 R)
• M4: 1,484,460 km (0.115 R)
• M5: 2,206,120 km (0.075 R)
• M6: 2,871,082 km (0.113 R)
• M7: 6,476,092 km (0.107 R)
• M8: 7,767,869 km (0.105 R)
• M9: 8,024,579 km (0.069 R)
• M10: 8,393,637 km (0.115 R)
• M11: 9,745,104 km (0.095 R)
• M12: 11,431,671 km (0.109 R)
• M13: 11,630,337 km (0.118 R)
• M14: 19,556,481 km (0.101 R)
• M15: 21,504,395 km (0.063 R)
• M16: 27,758,483 km (0.115 R)
• M17: 29,585,372 km (0.113 R)
• M18: 37,258,397 km (0.09 R)
• M19: 38,728,346 km (0.101 R)
• M20: 40,084,001 km (0.071 R)
• M21: 45,325,462 km (0.116 R)
• M22: 48,023,609 km (0.101 R)
• M23: 68,650,164 km (0.115 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 18,185 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit