🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.9

Radius: 8.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.06 AU - 2.14 AU

Year: 2029 Days

Day: 11.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,569,124 km

• M1: 108,159 km (0.098 R)
• M2: 461,360 km (0.065 R)
• M3: 818,450 km (0.108 R)
• M4: 1,168,509 km (0.088 R)
• M5: 1,778,719 km (0.117 R)
• M6: 2,123,093 km (0.099 R)
• M7: 4,451,135 km (0.111 R)
• M8: 5,528,988 km (0.106 R)
• M9: 6,037,620 km (0.043 R)
• M10: 6,625,390 km (0.068 R)
• M11: 7,071,940 km (0.073 R)
• M12: 7,354,531 km (0.117 R)
• M13: 7,671,528 km (0.099 R)
• M14: 8,080,379 km (0.096 R)
• M15: 8,389,598 km (0.057 R)
• M16: 9,364,677 km (0.099 R)
• M17: 10,184,623 km (0.083 R)
• M18: 10,881,151 km (0.108 R)
• M19: 12,039,487 km (0.099 R)
• M20: 12,443,401 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.1

Radius: 13.1

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.27 AU - 4.45 AU

Year: 5057 Days

Day: 10.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,569,124 km

• M1: 162,912 km (0.036 R)
• M2: 584,778 km (0.056 R)
• M3: 1,286,542 km (0.064 R)
• M4: 2,087,638 km (0.112 R)
• M5: 2,495,592 km (0.094 R)
• M6: 3,748,025 km (0.072 R)
• M7: 4,575,900 km (0.116 R)
• M8: 5,033,819 km (0.085 R)
• M9: 6,722,629 km (0.043 R)
• M10: 12,750,975 km (0.049 R)
• M11: 13,819,103 km (0.081 R)
• M12: 14,618,106 km (0.072 R)
• M13: 21,588,768 km (0.114 R)
• M14: 22,086,480 km (0.083 R)
• M15: 24,460,000 km (0.088 R)
• M16: 27,827,149 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.1

Radius: 11.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.18 AU - 4.6 AU

Year: 6134 Days

Day: 8.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,569,124 km

• M1: 145,559 km (0.052 R)
• M2: 520,152 km (0.068 R)
• M3: 943,813 km (0.082 R)
• M4: 1,459,626 km (0.034 R)
• M5: 1,867,879 km (0.089 R)
• M6: 2,367,386 km (0.097 R)
• M7: 3,467,379 km (0.118 R)
• M8: 4,740,757 km (0.082 R)
• M9: 7,596,131 km (0.09 R)
• M10: 9,166,011 km (0.109 R)
• M11: 10,819,816 km (0.112 R)
• M12: 11,398,909 km (0.07 R)
• M13: 12,350,651 km (0.05 R)
• M14: 15,318,224 km (0.093 R)
• M15: 17,077,495 km (0.059 R)
• M16: 18,380,941 km (0.103 R)
• M17: 19,749,462 km (0.076 R)
• M18: 21,830,219 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.7

Radius: 14.1

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.98 AU - 5.4 AU

Year: 7885 Days

Day: 13.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,569,124 km

• M1: 243,097 km (0.036 R)
• M2: 1,058,255 km (0.103 R)
• M3: 1,519,166 km (0.084 R)
• M4: 2,088,685 km (0.116 R)
• M5: 3,690,430 km (0.078 R)
• M6: 4,143,562 km (0.106 R)
• M7: 5,499,966 km (0.101 R)
• M8: 8,328,413 km (0.057 R)
• M9: 9,401,029 km (0.104 R)
• M10: 12,359,776 km (0.09 R)
• M11: 14,296,919 km (0.107 R)
• M12: 17,793,171 km (0.1 R)
• M13: 21,316,350 km (0.117 R)
• M14: 22,413,351 km (0.052 R)
• M15: 23,779,180 km (0.043 R)
• M16: 25,199,761 km (0.116 R)
• M17: 25,930,996 km (0.045 R)
• M18: 28,558,234 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.6

Radius: 5.7

Gravity: 16.76 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.69 AU - 8.53 AU

Year: 13999 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,569,124 km

• M1: 70,909 km (0.113 R)
• M2: 273,615 km (0.113 R)
• M3: 482,453 km (0.077 R)
• M4: 809,624 km (0.088 R)
• M5: 991,086 km (0.087 R)
• M6: 1,740,272 km (0.06 R)
• M7: 2,101,850 km (0.04 R)
• M8: 2,290,942 km (0.042 R)
• M9: 2,725,524 km (0.052 R)
• M10: 2,950,968 km (0.085 R)
• M11: 3,980,500 km (0.053 R)
• M12: 5,508,194 km (0.093 R)
• M13: 5,981,222 km (0.105 R)
• M14: 7,091,687 km (0.117 R)
• M15: 8,147,698 km (0.072 R)
• M16: 9,456,381 km (0.034 R)
• M17: 18,541,459 km (0.086 R)
• M18: 19,025,259 km (0.062 R)
• M19: 21,220,009 km (0.109 R)
• M20: 25,112,695 km (0.103 R)
• M21: 32,497,295 km (0.106 R)
• M22: 33,555,850 km (0.103 R)
• M23: 34,033,516 km (0.109 R)
• M24: 35,494,189 km (0.068 R)
• M25: 37,250,319 km (0.114 R)
• M26: 38,932,247 km (0.111 R)
• M27: 39,592,423 km (0.117 R)
• M28: 46,314,154 km (0.08 R)
• M29: 50,879,433 km (0.072 R)
• M30: 51,194,037 km (0.095 R)
• M31: 55,402,823 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 15,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit