🌌 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 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.63 AU - 0.63 AU

Year: 318 Days

Day: 32.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,960,566 km

• M1: 29,770 km (0.115 R)
• M2: 383,868 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.4

Radius: 10.3

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.86 AU - 0.88 AU

Year: 516 Days

Day: 7 Hours

Environment

Temp: -148 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,960,566 km

• M1: 128,056 km (0.093 R)
• M2: 539,151 km (0.092 R)
• M3: 906,413 km (0.032 R)
• M4: 1,295,667 km (0.11 R)
• M5: 1,760,767 km (0.109 R)
• M6: 2,172,460 km (0.091 R)
• M7: 2,885,593 km (0.073 R)
• M8: 3,214,110 km (0.102 R)
• M9: 3,675,171 km (0.066 R)
• M10: 4,340,133 km (0.062 R)
• M11: 4,701,861 km (0.116 R)
• M12: 5,023,496 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.4

Radius: 13.4

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.71 AU - 3.29 AU

Year: 3304 Days

Day: 5 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,960,566 km

• M1: 166,652 km (0.104 R)
• M2: 1,137,991 km (0.049 R)
• M3: 1,705,865 km (0.089 R)
• M4: 2,473,302 km (0.089 R)
• M5: 4,212,078 km (0.116 R)
• M6: 9,181,270 km (0.07 R)
• M7: 9,733,585 km (0.048 R)
• M8: 11,121,555 km (0.108 R)
• M9: 12,091,996 km (0.113 R)
• M10: 13,819,851 km (0.107 R)
• M11: 14,330,279 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.3

Radius: 13

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.37 AU - 3.91 AU

Year: 4416 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,960,566 km

• M1: 162,164 km (0.085 R)
• M2: 1,298,061 km (0.109 R)
• M3: 2,213,899 km (0.096 R)
• M4: 4,719,813 km (0.044 R)
• M5: 5,788,390 km (0.079 R)
• M6: 6,739,833 km (0.096 R)
• M7: 7,240,537 km (0.115 R)
• M8: 8,834,652 km (0.082 R)
• M9: 10,552,185 km (0.078 R)
• M10: 11,898,416 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.8

Radius: 7.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.02 AU - 8.72 AU

Year: 14038 Days

Day: 23.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 111 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,960,566 km

• M1: 94,097 km (0.057 R)
• M2: 348,862 km (0.108 R)
• M3: 608,115 km (0.085 R)
• M4: 857,944 km (0.104 R)
• M5: 1,322,445 km (0.114 R)
• M6: 1,649,616 km (0.111 R)
• M7: 2,709,816 km (0.12 R)
• M8: 4,262,492 km (0.114 R)
• M9: 5,117,145 km (0.089 R)
• M10: 5,777,171 km (0.069 R)
• M11: 6,396,057 km (0.111 R)
• M12: 7,512,506 km (0.058 R)
• M13: 7,986,133 km (0.063 R)
• M14: 9,278,060 km (0.091 R)
• M15: 10,478,882 km (0.03 R)
• M16: 13,342,484 km (0.09 R)
• M17: 14,200,727 km (0.089 R)
• M18: 15,382,251 km (0.059 R)
• M19: 18,522,460 km (0.096 R)
• M20: 20,207,381 km (0.11 R)
• M21: 22,065,536 km (0.083 R)
• M22: 27,714,651 km (0.087 R)
• M23: 28,493,158 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.4

Radius: 6.2

Gravity: 21.03 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.6 AU - 10.74 AU

Year: 16232 Days

Day: 17.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,960,566 km

• M1: 77,342 km (0.071 R)
• M2: 347,516 km (0.096 R)
• M3: 563,984 km (0.05 R)
• M4: 1,079,797 km (0.087 R)
• M5: 1,562,400 km (0.066 R)
• M6: 2,001,919 km (0.092 R)
• M7: 2,823,809 km (0.097 R)
• M8: 3,337,528 km (0.106 R)
• M9: 3,881,616 km (0.12 R)
• M10: 4,685,106 km (0.063 R)
• M11: 6,193,950 km (0.105 R)
• M12: 6,402,938 km (0.071 R)
• M13: 7,805,718 km (0.105 R)
• M14: 9,347,174 km (0.077 R)
• M15: 9,903,229 km (0.044 R)
• M16: 10,363,841 km (0.112 R)
• M17: 11,081,163 km (0.11 R)
• M18: 11,959,452 km (0.093 R)
• M19: 14,139,692 km (0.087 R)
• M20: 17,718,222 km (0.058 R)
• M21: 19,092,279 km (0.099 R)
• M22: 19,357,516 km (0.08 R)
• M23: 19,715,204 km (0.089 R)
• M24: 21,001,447 km (0.098 R)
• M25: 26,378,892 km (0.095 R)
• M26: 29,324,025 km (0.077 R)
• M27: 29,559,193 km (0.098 R)
• M28: 35,857,413 km (0.106 R)
• M29: 37,768,974 km (0.051 R)
• M30: 39,603,792 km (0.057 R)
• M31: 40,180,193 km (0.09 R)
• M32: 40,762,129 km (0.105 R)
• M33: 46,095,592 km (0.114 R)
• M34: 51,704,465 km (0.104 R)
• M35: 53,612,137 km (0.079 R)
• M36: 61,135,863 km (0.09 R)
• M37: 67,066,371 km (0.118 R)
• M38: 68,503,259 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 13,305 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit