🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.6

Radius: 14.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.52 AU - 0.76 AU

Year: 341 Days

Day: 6.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,815,665 km

• M1: 181,612 km (0.118 R)
• M2: 850,613 km (0.106 R)
• M3: 1,345,483 km (0.053 R)
• M4: 1,850,077 km (0.102 R)
• M5: 2,388,779 km (0.083 R)
• M6: 2,885,294 km (0.108 R)
• M7: 3,343,064 km (0.037 R)
• M8: 4,203,102 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.1

Radius: 10

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.14 AU - 3.3 AU

Year: 2991 Days

Day: 7.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 58.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,815,665 km

• M1: 130,449 km (0.069 R)
• M2: 533,616 km (0.094 R)
• M3: 852,558 km (0.114 R)
• M4: 1,458,130 km (0.116 R)
• M5: 2,054,577 km (0.114 R)
• M6: 2,505,465 km (0.071 R)
• M7: 3,484,134 km (0.117 R)
• M8: 3,843,169 km (0.044 R)
• M9: 4,469,386 km (0.104 R)
• M10: 5,049,377 km (0.083 R)
• M11: 5,654,650 km (0.063 R)
• M12: 6,706,772 km (0.105 R)
• M13: 7,094,380 km (0.101 R)
• M14: 7,467,776 km (0.104 R)
• M15: 10,314,175 km (0.116 R)
• M16: 11,719,198 km (0.101 R)
• M17: 12,201,053 km (0.111 R)
• M18: 12,779,996 km (0.087 R)
• M19: 15,614,727 km (0.086 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.1

Radius: 6.6

Gravity: 17.2 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.69 AU - 8.35 AU

Year: 13752 Days

Day: 24.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 48,815,665 km

• M1: 85,121 km (0.077 R)
• M2: 336,595 km (0.106 R)
• M3: 1,191,547 km (0.115 R)
• M4: 1,523,804 km (0.106 R)
• M5: 1,863,989 km (0.095 R)
• M6: 2,080,458 km (0.099 R)
• M7: 2,416,155 km (0.085 R)
• M8: 3,196,308 km (0.114 R)
• M9: 3,672,029 km (0.077 R)
• M10: 3,898,072 km (0.077 R)
• M11: 4,600,434 km (0.079 R)
• M12: 6,659,499 km (0.116 R)
• M13: 8,856,792 km (0.115 R)
• M14: 10,677,997 km (0.069 R)
• M15: 12,480,502 km (0.116 R)
• M16: 13,587,376 km (0.082 R)
• M17: 14,199,082 km (0.077 R)
• M18: 15,624,002 km (0.059 R)
• M19: 15,920,056 km (0.104 R)
• M20: 16,295,247 km (0.065 R)
• M21: 16,676,423 km (0.116 R)
• M22: 18,506,902 km (0.118 R)
• M23: 21,452,035 km (0.108 R)
• M24: 24,199,101 km (0.106 R)
• M25: 24,695,317 km (0.112 R)
• M26: 28,690,927 km (0.119 R)
• M27: 30,957,484 km (0.103 R)
• M28: 31,424,678 km (0.096 R)
• M29: 32,015,291 km (0.102 R)
• M30: 34,078,694 km (0.09 R)
• M31: 37,800,689 km (0.046 R)
• M32: 38,738,069 km (0.084 R)
• M33: 40,938,505 km (0.118 R)
• M34: 50,092,997 km (0.079 R)
• M35: 53,033,941 km (0.065 R)
• M36: 53,535,094 km (0.092 R)
• M37: 55,571,271 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.9

Radius: 6

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.61 AU - 11.59 AU

Year: 19835 Days

Day: 21.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,815,665 km

• M1: 77,043 km (0.043 R)
• M2: 270,473 km (0.113 R)
• M3: 576,101 km (0.116 R)
• M4: 1,067,231 km (0.079 R)
• M5: 1,820,756 km (0.071 R)
• M6: 2,421,242 km (0.085 R)
• M7: 2,675,259 km (0.065 R)
• M8: 4,113,343 km (0.069 R)
• M9: 10,956,099 km (0.081 R)
• M10: 15,986,926 km (0.031 R)
• M11: 18,029,386 km (0.113 R)
• M12: 23,663,391 km (0.106 R)
• M13: 24,463,441 km (0.092 R)
• M14: 29,544,383 km (0.113 R)
• M15: 31,100,500 km (0.101 R)
• M16: 41,089,748 km (0.058 R)
• M17: 41,472,270 km (0.073 R)
• M18: 43,157,490 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.5

Radius: 7.9

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.5 AU - 11.82 AU

Year: 20021 Days

Day: 20.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,815,665 km

• M1: 107,710 km (0.091 R)
• M2: 416,780 km (0.056 R)
• M3: 1,453,493 km (0.095 R)
• M4: 5,829,829 km (0.087 R)
• M5: 8,699,715 km (0.106 R)
• M6: 11,821,673 km (0.116 R)
• M7: 15,147,832 km (0.113 R)
• M8: 17,241,753 km (0.076 R)
• M9: 18,972,301 km (0.089 R)
• M10: 23,664,588 km (0.103 R)
• M11: 29,701,161 km (0.116 R)
• M12: 32,400,505 km (0.109 R)
• M13: 39,284,401 km (0.11 R)
• M14: 41,867,358 km (0.091 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: 161 - 19,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit