🌌 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: 487.1

Radius: 14.2

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.52 AU - 0.76 AU

Year: 347 Days

Day: 9.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 138.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,439,095 km

• M1: 176,525 km (0.046 R)
• M2: 622,477 km (0.099 R)
• M3: 1,084,734 km (0.074 R)
• M4: 1,559,109 km (0.106 R)
• M5: 2,090,481 km (0.08 R)
• M6: 3,069,000 km (0.103 R)
• M7: 3,607,403 km (0.049 R)
• M8: 4,147,003 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.1

Radius: 11.7

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.54 AU - 0.78 AU

Year: 364 Days

Day: 5.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 131.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,439,095 km

• M1: 145,559 km (0.107 R)
• M2: 613,202 km (0.114 R)
• M3: 995,873 km (0.058 R)
• M4: 1,489,845 km (0.083 R)
• M5: 2,006,407 km (0.072 R)
• M6: 2,452,807 km (0.104 R)
• M7: 2,857,619 km (0.111 R)
• M8: 3,242,983 km (0.115 R)
• M9: 3,827,312 km (0.109 R)
• M10: 4,520,698 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.5

Radius: 12.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.48 AU - 5.04 AU

Year: 5964 Days

Day: 13.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,439,095 km

• M1: 202,406 km (0.094 R)
• M2: 663,616 km (0.114 R)
• M3: 1,150,258 km (0.116 R)
• M4: 1,546,692 km (0.12 R)
• M5: 2,127,731 km (0.102 R)
• M6: 3,355,929 km (0.103 R)
• M7: 4,468,040 km (0.077 R)
• M8: 5,066,880 km (0.063 R)
• M9: 5,596,008 km (0.086 R)
• M10: 6,292,834 km (0.112 R)
• M11: 6,905,288 km (0.064 R)
• M12: 14,109,772 km (0.045 R)
• M13: 16,200,103 km (0.105 R)
• M14: 17,483,204 km (0.056 R)
• M15: 18,489,250 km (0.067 R)
• M16: 20,106,253 km (0.115 R)
• M17: 20,690,283 km (0.09 R)
• M18: 21,360,631 km (0.037 R)
• M19: 22,277,068 km (0.113 R)
• M20: 27,079,907 km (0.115 R)
• M21: 32,432,220 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.5

Radius: 14.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.08 AU - 5.84 AU

Year: 7492 Days

Day: 10.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,439,095 km

• M1: 178,021 km (0.09 R)
• M2: 657,632 km (0.062 R)
• M3: 1,321,996 km (0.116 R)
• M4: 2,190,262 km (0.062 R)
• M5: 2,860,012 km (0.096 R)
• M6: 3,313,593 km (0.106 R)
• M7: 4,272,515 km (0.098 R)
• M8: 4,817,799 km (0.105 R)
• M9: 9,577,256 km (0.091 R)
• M10: 12,628,603 km (0.084 R)
• M11: 15,866,799 km (0.037 R)
• M12: 16,396,226 km (0.064 R)
• M13: 20,856,486 km (0.07 R)
• M14: 21,492,277 km (0.077 R)
• M15: 24,320,724 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.1

Radius: 4.3

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.94 AU - 7.8 AU

Year: 10904 Days

Day: 20.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,439,095 km

• M1: 60,288 km (0.09 R)
• M2: 194,328 km (0.088 R)
• M3: 331,658 km (0.096 R)
• M4: 537,804 km (0.111 R)
• M5: 707,897 km (0.059 R)
• M6: 886,966 km (0.108 R)
• M7: 1,433,746 km (0.066 R)
• M8: 1,866,832 km (0.09 R)
• M9: 2,262,069 km (0.079 R)
• M10: 3,572,098 km (0.12 R)
• M11: 4,908,456 km (0.114 R)
• M12: 5,199,124 km (0.104 R)
• M13: 5,782,855 km (0.117 R)
• M14: 6,756,438 km (0.059 R)
• M15: 7,756,650 km (0.106 R)
• M16: 8,312,256 km (0.085 R)
• M17: 8,725,146 km (0.077 R)
• M18: 9,065,182 km (0.098 R)
• M19: 14,266,401 km (0.099 R)
• M20: 14,977,888 km (0.074 R)
• M21: 16,025,821 km (0.115 R)
• M22: 16,279,390 km (0.11 R)
• M23: 16,664,754 km (0.032 R)
• M24: 17,453,434 km (0.086 R)
• M25: 21,312,760 km (0.088 R)
• M26: 21,773,820 km (0.095 R)
• M27: 22,241,463 km (0.043 R)
• M28: 23,277,578 km (0.102 R)
• M29: 24,933,926 km (0.118 R)
• M30: 29,320,435 km (0.112 R)
• M31: 29,604,671 km (0.11 R)
• M32: 35,465,466 km (0.089 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 16,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit