🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.4

Radius: 14.7

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.43 AU - 0.67 AU

Year: 277 Days

Day: 14.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,775,125 km

• M1: 182,809 km (0.082 R)
• M2: 669,151 km (0.045 R)
• M3: 1,241,812 km (0.044 R)
• M4: 1,792,781 km (0.095 R)
• M5: 2,491,852 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.3

Radius: 10.9

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.6 AU - 0.9 AU

Year: 441 Days

Day: 14 Hours

Environment

Temp: -153 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,775,125 km

• M1: 135,536 km (0.069 R)
• M2: 647,310 km (0.1 R)
• M3: 1,039,406 km (0.099 R)
• M4: 1,421,778 km (0.109 R)
• M5: 1,981,573 km (0.071 R)
• M6: 2,663,141 km (0.101 R)
• M7: 3,595,734 km (0.092 R)
• M8: 4,258,004 km (0.11 R)
• M9: 5,194,337 km (0.087 R)
• M10: 6,059,761 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.1

Radius: 13.2

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.71 AU - 0.95 AU

Year: 513 Days

Day: 7 Hours

Environment

Temp: -177 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,775,125 km

• M1: 164,258 km (0.1 R)
• M2: 577,149 km (0.08 R)
• M3: 1,034,768 km (0.109 R)
• M4: 1,494,483 km (0.083 R)
• M5: 1,953,299 km (0.09 R)
• M6: 2,604,050 km (0.081 R)
• M7: 3,209,772 km (0.066 R)
• M8: 3,639,716 km (0.117 R)
• M9: 4,486,141 km (0.11 R)
• M10: 4,964,405 km (0.098 R)
• M11: 5,626,825 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670

Radius: 9.2

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.75 AU - 0.97 AU

Year: 541 Days

Day: 9.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,775,125 km

• M1: 114,442 km (0.114 R)
• M2: 450,589 km (0.12 R)
• M3: 761,453 km (0.114 R)
• M4: 1,060,649 km (0.036 R)
• M5: 1,488,648 km (0.07 R)
• M6: 1,935,048 km (0.045 R)
• M7: 2,529,550 km (0.074 R)
• M8: 3,253,155 km (0.097 R)
• M9: 3,803,675 km (0.082 R)
• M10: 4,137,129 km (0.072 R)
• M11: 4,459,961 km (0.088 R)
• M12: 5,223,359 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.1

Radius: 14.6

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.09 AU - 1.43 AU

Year: 959 Days

Day: 7 Hours

Environment

Temp: -178 °C

Axial Tilt: 167.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,775,125 km

• M1: 181,612 km (0.08 R)
• M2: 810,072 km (0.059 R)
• M3: 1,686,118 km (0.082 R)
• M4: 2,384,141 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.4

Radius: 12.3

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.39 AU - 2.87 AU

Year: 2893 Days

Day: 7 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,775,125 km

• M1: 154,385 km (0.079 R)
• M2: 791,074 km (0.045 R)
• M3: 1,254,079 km (0.097 R)
• M4: 2,603,751 km (0.115 R)
• M5: 3,169,231 km (0.079 R)
• M6: 3,605,458 km (0.064 R)
• M7: 6,468,762 km (0.098 R)
• M8: 8,717,367 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.5

Radius: 9.9

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.16 AU - 6.7 AU

Year: 8582 Days

Day: 12.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,775,125 km

• M1: 252,820 km (0.071 R)
• M2: 886,667 km (0.119 R)
• M3: 1,235,978 km (0.096 R)
• M4: 2,577,422 km (0.119 R)
• M5: 3,818,037 km (0.074 R)
• M6: 4,143,861 km (0.067 R)
• M7: 5,864,237 km (0.038 R)
• M8: 6,507,807 km (0.077 R)
• M9: 8,385,709 km (0.072 R)
• M10: 10,119,249 km (0.085 R)
• M11: 14,642,191 km (0.118 R)
• M12: 16,342,520 km (0.111 R)
• M13: 24,553,947 km (0.046 R)
• M14: 30,767,046 km (0.06 R)
• M15: 35,812,234 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127

Radius: 7.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 8.99 AU - 12.47 AU

Year: 23839 Days

Day: 21.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 92.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,775,125 km

• M1: 95,743 km (0.09 R)
• M2: 566,228 km (0.112 R)
• M3: 1,617,303 km (0.099 R)
• M4: 2,009,099 km (0.12 R)
• M5: 2,404,935 km (0.04 R)
• M6: 4,833,956 km (0.107 R)
• M7: 5,345,880 km (0.099 R)
• M8: 9,063,537 km (0.05 R)
• M9: 10,195,544 km (0.082 R)
• M10: 11,585,457 km (0.036 R)
• M11: 11,980,396 km (0.045 R)
• M12: 14,218,530 km (0.114 R)
• M13: 15,537,534 km (0.106 R)
• M14: 15,948,779 km (0.104 R)
• M15: 16,721,302 km (0.089 R)
• M16: 17,225,896 km (0.094 R)
• M17: 18,569,733 km (0.069 R)
• M18: 19,110,829 km (0.072 R)
• M19: 22,146,768 km (0.115 R)
• M20: 22,755,183 km (0.063 R)
• M21: 23,019,372 km (0.098 R)
• M22: 26,837,858 km (0.067 R)
• M23: 28,030,751 km (0.098 R)
• M24: 28,640,213 km (0.093 R)
• M25: 31,166,772 km (0.106 R)
• M26: 32,040,872 km (0.114 R)
• M27: 34,413,195 km (0.098 R)
• M28: 34,877,996 km (0.061 R)
• M29: 35,229,251 km (0.088 R)
• M30: 37,632,242 km (0.117 R)
• M31: 40,786,663 km (0.109 R)
• M32: 45,214,760 km (0.085 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 13,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit