🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187

Radius: 11.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.48 AU - 0.66 AU

Year: 292 Days

Day: 11.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 95,354,721 km

• M1: 146,756 km (0.093 R)
• M2: 612,753 km (0.091 R)
• M3: 981,661 km (0.11 R)
• M4: 1,440,478 km (0.076 R)
• M5: 2,004,013 km (0.117 R)
• M6: 2,495,592 km (0.097 R)
• M7: 2,872,728 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.4

Radius: 13.4

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.72 AU - 0.96 AU

Year: 522 Days

Day: 5.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 95,354,721 km

• M1: 166,652 km (0.06 R)
• M2: 752,627 km (0.117 R)
• M3: 1,479,074 km (0.039 R)
• M4: 2,062,655 km (0.104 R)
• M5: 2,493,797 km (0.053 R)
• M6: 3,091,739 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.1

Radius: 10.1

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.03 AU - 1.15 AU

Year: 772 Days

Day: 13.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 95,354,721 km

• M1: 125,662 km (0.091 R)
• M2: 475,422 km (0.119 R)
• M3: 918,381 km (0.12 R)
• M4: 1,275,023 km (0.097 R)
• M5: 1,733,839 km (0.059 R)
• M6: 2,248,456 km (0.111 R)
• M7: 2,669,574 km (0.09 R)
• M8: 3,000,484 km (0.037 R)
• M9: 3,716,310 km (0.087 R)
• M10: 4,178,717 km (0.102 R)
• M11: 4,644,715 km (0.106 R)
• M12: 6,842,457 km (0.117 R)
• M13: 7,587,155 km (0.12 R)
• M14: 8,130,046 km (0.116 R)
• M15: 9,210,591 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.1

Radius: 13.4

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.89 AU - 1.37 AU

Year: 815 Days

Day: 7.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 95,354,721 km

• M1: 166,652 km (0.053 R)
• M2: 705,354 km (0.081 R)
• M3: 1,181,524 km (0.092 R)
• M4: 1,767,948 km (0.042 R)
• M5: 3,128,690 km (0.112 R)
• M6: 4,031,064 km (0.103 R)
• M7: 4,461,756 km (0.109 R)
• M8: 5,215,281 km (0.096 R)
• M9: 5,924,824 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.1

Radius: 5.3

Gravity: 21.36 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.71 AU - 8.97 AU

Year: 16336 Days

Day: 24.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 95,354,721 km

• M1: 65,973 km (0.077 R)
• M2: 289,023 km (0.03 R)
• M3: 621,430 km (0.085 R)
• M4: 1,833,771 km (0.058 R)
• M5: 2,128,927 km (0.116 R)
• M6: 4,608,063 km (0.088 R)
• M7: 5,516,421 km (0.081 R)
• M8: 5,741,865 km (0.078 R)
• M9: 7,006,566 km (0.088 R)
• M10: 8,746,389 km (0.079 R)
• M11: 9,688,706 km (0.041 R)
• M12: 10,524,210 km (0.097 R)
• M13: 10,813,084 km (0.107 R)
• M14: 11,773,203 km (0.104 R)
• M15: 13,452,589 km (0.087 R)
• M16: 13,999,818 km (0.088 R)
• M17: 14,419,888 km (0.067 R)
• M18: 15,805,763 km (0.104 R)
• M19: 18,670,712 km (0.093 R)
• M20: 20,313,895 km (0.091 R)
• M21: 21,492,277 km (0.089 R)
• M22: 23,786,061 km (0.098 R)
• M23: 26,238,120 km (0.105 R)
• M24: 34,216,025 km (0.115 R)
• M25: 34,977,777 km (0.115 R)
• M26: 35,750,750 km (0.115 R)
• M27: 36,666,737 km (0.12 R)
• M28: 52,681,937 km (0.056 R)
• M29: 54,380,920 km (0.072 R)
• M30: 59,331,862 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.6

Radius: 7.9

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 8.38 AU - 13.22 AU

Year: 24073 Days

Day: 16.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 60.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 95,354,721 km

• M1: 98,585 km (0.119 R)
• M2: 407,056 km (0.12 R)
• M3: 682,017 km (0.026 R)
• M4: 1,183,319 km (0.104 R)
• M5: 1,831,078 km (0.066 R)
• M6: 2,350,033 km (0.101 R)
• M7: 3,908,693 km (0.074 R)
• M8: 4,768,432 km (0.112 R)
• M9: 11,373,777 km (0.047 R)
• M10: 12,659,869 km (0.074 R)
• M11: 18,973,797 km (0.081 R)
• M12: 19,761,580 km (0.068 R)
• M13: 21,192,334 km (0.081 R)
• M14: 23,803,564 km (0.115 R)
• M15: 27,359,805 km (0.101 R)
• M16: 27,733,800 km (0.073 R)
• M17: 33,761,247 km (0.062 R)
• M18: 37,002,585 km (0.119 R)
• M19: 39,486,208 km (0.088 R)
• M20: 51,854,811 km (0.082 R)
• M21: 59,219,215 km (0.08 R)
• M22: 67,024,932 km (0.074 R)
• M23: 85,167,713 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 13,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit