🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.5

Radius: 10.9

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.51 AU - 0.55 AU

Year: 262 Days

Day: 11.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,862,696 km

• M1: 135,685 km (0.097 R)
• M2: 776,563 km (0.108 R)
• M3: 1,373,757 km (0.075 R)
• M4: 1,721,124 km (0.114 R)
• M5: 2,128,030 km (0.11 R)
• M6: 2,513,244 km (0.089 R)
• M7: 2,945,133 km (0.097 R)
• M8: 3,631,040 km (0.085 R)
• M9: 4,149,396 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.4

Radius: 11.6

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.54 AU - 0.82 AU

Year: 380 Days

Day: 12.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,862,696 km

• M1: 144,212 km (0.101 R)
• M2: 610,210 km (0.099 R)
• M3: 1,033,871 km (0.097 R)
• M4: 1,419,235 km (0.11 R)
• M5: 1,784,553 km (0.065 R)
• M6: 2,653,567 km (0.118 R)
• M7: 3,066,607 km (0.113 R)
• M8: 3,534,250 km (0.086 R)
• M9: 4,656,383 km (0.11 R)
• M10: 5,184,913 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.1

Radius: 9.6

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.19 AU - 1.41 AU

Year: 1005 Days

Day: 14.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,862,696 km

• M1: 119,529 km (0.055 R)
• M2: 442,361 km (0.117 R)
• M3: 746,643 km (0.096 R)
• M4: 1,415,944 km (0.052 R)
• M5: 1,981,274 km (0.074 R)
• M6: 2,467,617 km (0.108 R)
• M7: 3,165,491 km (0.094 R)
• M8: 3,561,177 km (0.094 R)
• M9: 4,367,061 km (0.105 R)
• M10: 4,858,789 km (0.097 R)
• M11: 5,175,039 km (0.106 R)
• M12: 5,849,127 km (0.105 R)
• M13: 6,580,810 km (0.041 R)
• M14: 7,690,827 km (0.077 R)
• M15: 9,171,247 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782

Radius: 7.3

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.59 AU - 7.23 AU

Year: 9745 Days

Day: 20.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 73.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,862,696 km

• M1: 91,404 km (0.109 R)
• M2: 332,257 km (0.102 R)
• M3: 565,779 km (0.098 R)
• M4: 886,667 km (0.119 R)
• M5: 1,686,267 km (0.074 R)
• M6: 1,955,244 km (0.114 R)
• M7: 3,553,099 km (0.04 R)
• M8: 5,193,589 km (0.114 R)
• M9: 14,414,652 km (0.083 R)
• M10: 16,307,065 km (0.083 R)
• M11: 16,590,404 km (0.114 R)
• M12: 17,607,669 km (0.083 R)
• M13: 18,820,609 km (0.12 R)
• M14: 19,289,449 km (0.109 R)
• M15: 26,404,772 km (0.116 R)
• M16: 26,697,535 km (0.101 R)
• M17: 28,807,763 km (0.068 R)
• M18: 31,900,998 km (0.109 R)
• M19: 36,763,378 km (0.103 R)
• M20: 37,373,138 km (0.088 R)
• M21: 40,394,567 km (0.079 R)
• M22: 43,168,710 km (0.087 R)
• M23: 45,226,279 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.3

Radius: 3.4

Gravity: 41.63 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.3 AU - 10.44 AU

Year: 17917 Days

Day: 16.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,862,696 km

• M1: 42,785 km (0.11 R)
• M2: 229,932 km (0.087 R)
• M3: 414,835 km (0.064 R)
• M4: 529,876 km (0.118 R)
• M5: 1,421,329 km (0.119 R)
• M6: 2,446,524 km (0.106 R)
• M7: 3,516,597 km (0.097 R)
• M8: 4,184,552 km (0.092 R)
• M9: 4,403,713 km (0.12 R)
• M10: 4,532,217 km (0.074 R)
• M11: 4,933,139 km (0.115 R)
• M12: 5,430,104 km (0.112 R)
• M13: 5,959,680 km (0.119 R)
• M14: 7,164,840 km (0.097 R)
• M15: 11,074,581 km (0.049 R)
• M16: 16,203,394 km (0.067 R)
• M17: 16,665,203 km (0.108 R)
• M18: 22,716,885 km (0.099 R)
• M19: 25,705,552 km (0.057 R)
• M20: 29,739,309 km (0.036 R)
• M21: 45,533,702 km (0.037 R)
• M22: 48,166,475 km (0.084 R)
• M23: 49,279,483 km (0.113 R)
• M24: 50,247,082 km (0.046 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: 234 - 17,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit