🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.51 AU - 0.73 AU

Year: 310 Days

Day: 20.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.2

Radius: 9.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.11 AU - 2.73 AU

Year: 2394 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,131,530 km

• M1: 115,789 km (0.097 R)
• M2: 467,045 km (0.119 R)
• M3: 898,485 km (0.092 R)
• M4: 1,269,488 km (0.081 R)
• M5: 1,569,581 km (0.066 R)
• M6: 2,104,992 km (0.056 R)
• M7: 2,556,777 km (0.075 R)
• M8: 3,269,461 km (0.109 R)
• M9: 3,572,846 km (0.088 R)
• M10: 5,127,168 km (0.109 R)
• M11: 6,526,656 km (0.117 R)
• M12: 7,194,760 km (0.085 R)
• M13: 9,537,911 km (0.064 R)
• M14: 10,161,435 km (0.091 R)
• M15: 10,811,887 km (0.089 R)
• M16: 11,453,512 km (0.098 R)
• M17: 12,271,962 km (0.037 R)
• M18: 12,734,519 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.1

Radius: 12.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.43 AU - 6.07 AU

Year: 7648 Days

Day: 10.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,131,530 km

• M1: 151,692 km (0.098 R)
• M2: 689,945 km (0.081 R)
• M3: 1,113,008 km (0.084 R)
• M4: 1,844,243 km (0.087 R)
• M5: 2,248,456 km (0.106 R)
• M6: 2,744,373 km (0.068 R)
• M7: 4,480,456 km (0.072 R)
• M8: 5,297,709 km (0.075 R)
• M9: 6,211,752 km (0.08 R)
• M10: 11,028,804 km (0.089 R)
• M11: 14,837,865 km (0.083 R)
• M12: 18,778,871 km (0.118 R)
• M13: 21,346,868 km (0.042 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.8

Radius: 7.1

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.23 AU - 7.77 AU

Year: 10537 Days

Day: 18.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,131,530 km

• M1: 90,357 km (0.101 R)
• M2: 318,494 km (0.047 R)
• M3: 570,417 km (0.11 R)
• M4: 1,270,984 km (0.113 R)
• M5: 1,623,735 km (0.081 R)
• M6: 2,921,646 km (0.098 R)
• M7: 3,967,485 km (0.033 R)
• M8: 5,489,195 km (0.093 R)
• M9: 5,886,975 km (0.077 R)
• M10: 7,097,222 km (0.07 R)
• M11: 7,884,107 km (0.111 R)
• M12: 9,309,625 km (0.059 R)
• M13: 11,944,792 km (0.029 R)
• M14: 14,128,621 km (0.104 R)
• M15: 15,094,126 km (0.097 R)
• M16: 15,369,984 km (0.103 R)
• M17: 15,761,781 km (0.09 R)
• M18: 18,884,038 km (0.034 R)
• M19: 20,657,372 km (0.074 R)
• M20: 20,929,191 km (0.087 R)
• M21: 22,467,207 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.2

Radius: 3.8

Gravity: 31.87 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.91 AU - 9.97 AU

Year: 18441 Days

Day: 24.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,131,530 km

• M1: 47,423 km (0.064 R)
• M2: 273,166 km (0.035 R)
• M3: 440,267 km (0.066 R)
• M4: 775,515 km (0.046 R)
• M5: 908,508 km (0.111 R)
• M6: 1,156,092 km (0.079 R)
• M7: 1,538,614 km (0.103 R)
• M8: 1,784,852 km (0.057 R)
• M9: 2,548,699 km (0.084 R)
• M10: 4,556,153 km (0.106 R)
• M11: 4,855,797 km (0.113 R)
• M12: 5,062,841 km (0.096 R)
• M13: 6,147,724 km (0.09 R)
• M14: 8,464,696 km (0.075 R)
• M15: 11,425,238 km (0.108 R)
• M16: 11,729,969 km (0.07 R)
• M17: 12,612,148 km (0.116 R)
• M18: 16,199,804 km (0.109 R)
• M19: 17,532,122 km (0.116 R)
• M20: 18,101,492 km (0.101 R)
• M21: 19,534,939 km (0.119 R)
• M22: 22,721,373 km (0.077 R)
• M23: 24,689,034 km (0.108 R)
• M24: 25,198,265 km (0.115 R)
• M25: 25,403,813 km (0.069 R)
• M26: 32,589,298 km (0.079 R)
• M27: 39,200,476 km (0.091 R)
• M28: 42,164,010 km (0.076 R)
• M29: 44,369,980 km (0.053 R)
• M30: 48,691,265 km (0.064 R)
• M31: 53,284,667 km (0.114 R)
• M32: 63,131,498 km (0.07 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 19,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit