🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.52 AU - 0.66 AU

Year: 168 Days

Day: 23.9 Hours

Environment

Temp: 214 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.05 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902

Radius: 13.4

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.11 AU - 5.91 AU

Year: 4797 Days

Day: 8.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,539,711 km

• M1: 166,652 km (0.073 R)
• M2: 593,006 km (0.081 R)
• M3: 1,130,062 km (0.115 R)
• M4: 2,081,056 km (0.062 R)
• M5: 3,007,964 km (0.102 R)
• M6: 3,449,428 km (0.098 R)
• M7: 4,340,433 km (0.117 R)
• M8: 6,097,609 km (0.099 R)
• M9: 8,601,578 km (0.087 R)
• M10: 10,370,573 km (0.056 R)
• M11: 11,580,820 km (0.106 R)
• M12: 12,021,086 km (0.032 R)
• M13: 12,523,287 km (0.099 R)
• M14: 16,625,709 km (0.086 R)
• M15: 19,904,296 km (0.042 R)
• M16: 25,186,447 km (0.103 R)
• M17: 26,682,276 km (0.065 R)
• M18: 30,309,426 km (0.042 R)
• M19: 32,192,863 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854

Radius: 10

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.36 AU - 6.14 AU

Year: 5113 Days

Day: 10.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,539,711 km

• M1: 124,465 km (0.093 R)
• M2: 976,724 km (0.086 R)
• M3: 1,829,881 km (0.058 R)
• M4: 2,372,772 km (0.045 R)
• M5: 2,737,342 km (0.075 R)
• M6: 3,624,308 km (0.065 R)
• M7: 3,990,822 km (0.096 R)
• M8: 4,458,166 km (0.039 R)
• M9: 5,385,972 km (0.083 R)
• M10: 5,895,802 km (0.112 R)
• M11: 6,210,556 km (0.041 R)
• M12: 7,806,166 km (0.118 R)
• M13: 9,025,240 km (0.086 R)
• M14: 11,639,911 km (0.115 R)
• M15: 12,137,025 km (0.06 R)
• M16: 13,823,142 km (0.093 R)
• M17: 14,268,047 km (0.118 R)
• M18: 15,186,428 km (0.07 R)
• M19: 16,143,705 km (0.113 R)
• M20: 16,699,610 km (0.12 R)
• M21: 22,750,096 km (0.107 R)
• M22: 23,527,556 km (0.102 R)
• M23: 29,291,263 km (0.114 R)
• M24: 29,748,883 km (0.055 R)
• M25: 30,772,432 km (0.056 R)
• M26: 31,915,659 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.9

Radius: 7.6

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 12.85 AU - 18.87 AU

Year: 23424 Days

Day: 15.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,539,711 km

• M1: 106,364 km (0.098 R)
• M2: 483,052 km (0.117 R)
• M3: 802,742 km (0.077 R)
• M4: 2,429,619 km (0.115 R)
• M5: 2,970,266 km (0.11 R)
• M6: 3,531,407 km (0.078 R)
• M7: 4,129,649 km (0.054 R)
• M8: 6,374,365 km (0.057 R)
• M9: 7,121,906 km (0.069 R)
• M10: 9,326,978 km (0.104 R)
• M11: 9,828,431 km (0.114 R)
• M12: 13,291,920 km (0.062 R)
• M13: 15,797,236 km (0.053 R)
• M14: 24,328,803 km (0.107 R)
• M15: 30,520,808 km (0.1 R)
• M16: 34,173,390 km (0.068 R)
• M17: 38,107,066 km (0.112 R)
• M18: 47,671,755 km (0.053 R)
• M19: 49,994,860 km (0.117 R)
• M20: 54,151,138 km (0.05 R)
• M21: 67,166,751 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208

Radius: 3.1

Gravity: 21.64 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 16.13 AU - 22.13 AU

Year: 31030 Days

Day: 19.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,539,711 km

• M1: 145,409 km (0.111 R)
• M2: 458,368 km (0.064 R)
• M3: 808,427 km (0.082 R)
• M4: 1,284,747 km (0.087 R)
• M5: 1,906,625 km (0.072 R)
• M6: 3,000,784 km (0.113 R)
• M7: 3,947,738 km (0.057 R)
• M8: 4,292,412 km (0.105 R)
• M9: 5,409,160 km (0.114 R)
• M10: 5,913,604 km (0.034 R)
• M11: 6,322,455 km (0.082 R)
• M12: 9,781,906 km (0.103 R)
• M13: 10,469,457 km (0.043 R)
• M14: 20,549,063 km (0.118 R)
• M15: 21,959,920 km (0.064 R)
• M16: 22,737,979 km (0.119 R)
• M17: 35,772,890 km (0.059 R)
• M18: 46,879,485 km (0.066 R)
• M19: 48,656,109 km (0.105 R)
• M20: 57,847,253 km (0.1 R)
• M21: 63,921,076 km (0.037 R)
• M22: 65,503,223 km (0.061 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 11,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit