🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.4

Radius: 13.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.67 AU - 0.89 AU

Year: 445 Days

Day: 8.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,771,995 km

• M1: 167,998 km (0.066 R)
• M2: 784,790 km (0.046 R)
• M3: 1,344,885 km (0.116 R)
• M4: 2,040,964 km (0.11 R)
• M5: 2,473,900 km (0.102 R)
• M6: 2,946,779 km (0.111 R)
• M7: 4,607,914 km (0.1 R)
• M8: 5,167,559 km (0.081 R)
• M9: 5,789,587 km (0.069 R)
• M10: 6,386,333 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.4

Radius: 12.3

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.73 AU - 1.07 AU

Year: 551 Days

Day: 7.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,771,995 km

• M1: 154,086 km (0.064 R)
• M2: 716,723 km (0.115 R)
• M3: 1,122,882 km (0.099 R)
• M4: 1,514,678 km (0.12 R)
• M5: 2,017,178 km (0.066 R)
• M6: 2,409,573 km (0.102 R)
• M7: 3,219,197 km (0.093 R)
• M8: 4,303,632 km (0.12 R)
• M9: 4,725,498 km (0.105 R)
• M10: 5,191,495 km (0.113 R)
• M11: 5,688,160 km (0.037 R)
• M12: 6,178,990 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.9

Radius: 12.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.69 AU - 1.85 AU

Year: 1520 Days

Day: 12.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,771,995 km

• M1: 153,039 km (0.077 R)
• M2: 549,623 km (0.103 R)
• M3: 1,317,060 km (0.071 R)
• M4: 1,982,621 km (0.098 R)
• M5: 3,180,750 km (0.088 R)
• M6: 3,599,923 km (0.105 R)
• M7: 4,193,378 km (0.116 R)
• M8: 5,900,290 km (0.099 R)
• M9: 6,397,254 km (0.06 R)
• M10: 6,970,962 km (0.088 R)
• M11: 7,709,975 km (0.081 R)
• M12: 8,139,770 km (0.091 R)
• M13: 10,084,392 km (0.101 R)
• M14: 11,030,150 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.2

Radius: 9.2

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.26 AU - 2.88 AU

Year: 2660 Days

Day: 8.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,771,995 km

• M1: 114,442 km (0.068 R)
• M2: 453,880 km (0.03 R)
• M3: 764,146 km (0.105 R)
• M4: 1,415,495 km (0.112 R)
• M5: 1,822,700 km (0.117 R)
• M6: 2,128,329 km (0.028 R)
• M7: 2,468,514 km (0.04 R)
• M8: 2,829,644 km (0.1 R)
• M9: 4,579,041 km (0.089 R)
• M10: 5,127,467 km (0.108 R)
• M11: 5,477,077 km (0.106 R)
• M12: 6,869,833 km (0.102 R)
• M13: 7,411,827 km (0.104 R)
• M14: 7,951,426 km (0.117 R)
• M15: 8,389,000 km (0.117 R)
• M16: 8,809,669 km (0.108 R)
• M17: 9,109,164 km (0.097 R)
• M18: 9,449,798 km (0.055 R)
• M19: 10,560,413 km (0.097 R)
• M20: 10,898,504 km (0.101 R)
• M21: 11,916,218 km (0.103 R)
• M22: 12,615,140 km (0.102 R)
• M23: 13,959,576 km (0.12 R)
• M24: 17,239,210 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306

Radius: 9.1

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.03 AU - 3.23 AU

Year: 2754 Days

Day: 12.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 108.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,771,995 km

• M1: 113,246 km (0.116 R)
• M2: 612,902 km (0.046 R)
• M3: 931,546 km (0.055 R)
• M4: 1,784,254 km (0.102 R)
• M5: 2,155,556 km (0.056 R)
• M6: 2,702,785 km (0.053 R)
• M7: 3,747,277 km (0.102 R)
• M8: 4,681,965 km (0.114 R)
• M9: 6,226,712 km (0.055 R)
• M10: 8,265,432 km (0.081 R)
• M11: 8,980,659 km (0.099 R)
• M12: 9,736,577 km (0.073 R)
• M13: 10,569,838 km (0.119 R)
• M14: 12,299,039 km (0.044 R)
• M15: 13,106,569 km (0.072 R)
• M16: 13,481,461 km (0.093 R)
• M17: 13,906,169 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.4

Radius: 7

Gravity: 16.38 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.88 AU - 8.82 AU

Year: 12866 Days

Day: 20.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,771,995 km

• M1: 117,584 km (0.12 R)
• M2: 365,019 km (0.11 R)
• M3: 851,810 km (0.086 R)
• M4: 2,212,553 km (0.094 R)
• M5: 3,285,169 km (0.111 R)
• M6: 4,200,559 km (0.08 R)
• M7: 4,865,671 km (0.099 R)
• M8: 5,453,590 km (0.036 R)
• M9: 6,126,781 km (0.03 R)
• M10: 9,590,121 km (0.032 R)
• M11: 10,290,389 km (0.079 R)
• M12: 11,374,674 km (0.095 R)
• M13: 11,853,238 km (0.094 R)
• M14: 12,978,962 km (0.114 R)
• M15: 14,728,658 km (0.119 R)
• M16: 19,186,974 km (0.067 R)
• M17: 19,608,990 km (0.11 R)
• M18: 21,179,319 km (0.03 R)
• M19: 23,305,553 km (0.066 R)
• M20: 24,469,425 km (0.115 R)
• M21: 26,081,042 km (0.069 R)
• M22: 27,977,195 km (0.034 R)
• M23: 29,625,914 km (0.104 R)
• M24: 38,984,607 km (0.07 R)
• M25: 45,809,411 km (0.07 R)
• M26: 49,344,708 km (0.081 R)
• M27: 58,704,149 km (0.097 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: 329 - 16,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit