🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.1

Radius: 10.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.69 AU - 1.13 AU

Year: 599 Days

Day: 9.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,667,560 km

• M1: 127,457 km (0.086 R)
• M2: 491,279 km (0.092 R)
• M3: 1,002,755 km (0.063 R)
• M4: 1,559,558 km (0.098 R)
• M5: 2,199,986 km (0.095 R)
• M6: 2,783,568 km (0.117 R)
• M7: 3,280,532 km (0.099 R)
• M8: 3,754,757 km (0.115 R)
• M9: 4,363,022 km (0.082 R)
• M10: 4,905,464 km (0.063 R)
• M11: 5,235,177 km (0.116 R)
• M12: 6,489,107 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.9

Radius: 13.5

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.53 AU - 5.45 AU

Year: 6567 Days

Day: 7.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,667,560 km

• M1: 167,849 km (0.104 R)
• M2: 755,020 km (0.078 R)
• M3: 1,757,177 km (0.089 R)
• M4: 2,569,792 km (0.04 R)
• M5: 3,155,019 km (0.029 R)
• M6: 3,682,202 km (0.071 R)
• M7: 4,644,116 km (0.06 R)
• M8: 6,081,901 km (0.066 R)
• M9: 7,325,359 km (0.108 R)
• M10: 8,078,285 km (0.115 R)
• M11: 8,510,324 km (0.105 R)
• M12: 9,226,000 km (0.106 R)
• M13: 10,606,938 km (0.028 R)
• M14: 12,593,298 km (0.078 R)
• M15: 16,997,011 km (0.07 R)
• M16: 18,011,284 km (0.115 R)
• M17: 19,964,135 km (0.061 R)
• M18: 22,124,328 km (0.108 R)
• M19: 22,830,281 km (0.072 R)
• M20: 23,478,488 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.8

Radius: 14.4

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.24 AU - 6.16 AU

Year: 8185 Days

Day: 5.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,667,560 km

• M1: 194,028 km (0.114 R)
• M2: 655,837 km (0.098 R)
• M3: 1,355,656 km (0.099 R)
• M4: 1,832,125 km (0.043 R)
• M5: 2,350,781 km (0.109 R)
• M6: 3,865,908 km (0.062 R)
• M7: 4,420,617 km (0.073 R)
• M8: 4,968,295 km (0.096 R)
• M9: 5,724,811 km (0.095 R)
• M10: 6,200,832 km (0.1 R)
• M11: 6,740,431 km (0.104 R)
• M12: 7,311,147 km (0.109 R)
• M13: 7,872,887 km (0.075 R)
• M14: 10,266,004 km (0.064 R)
• M15: 11,872,386 km (0.082 R)
• M16: 13,941,624 km (0.049 R)
• M17: 18,489,549 km (0.08 R)
• M18: 19,308,298 km (0.09 R)
• M19: 20,463,343 km (0.104 R)
• M20: 23,423,436 km (0.094 R)
• M21: 24,293,946 km (0.109 R)
• M22: 28,187,530 km (0.056 R)
• M23: 29,272,115 km (0.085 R)
• M24: 31,315,472 km (0.093 R)
• M25: 32,479,044 km (0.112 R)
• M26: 40,073,679 km (0.092 R)
• M27: 41,067,757 km (0.117 R)
• M28: 41,697,564 km (0.092 R)
• M29: 42,847,224 km (0.037 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.2

Radius: 5.7

Gravity: 14.96 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.39 AU - 8.77 AU

Year: 13004 Days

Day: 20.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,667,560 km

• M1: 72,705 km (0.081 R)
• M2: 348,264 km (0.109 R)
• M3: 1,350,420 km (0.038 R)
• M4: 2,070,135 km (0.104 R)
• M5: 2,483,923 km (0.118 R)
• M6: 2,796,583 km (0.095 R)
• M7: 2,996,445 km (0.104 R)
• M8: 5,087,076 km (0.05 R)
• M9: 6,660,995 km (0.096 R)
• M10: 8,080,828 km (0.076 R)
• M11: 9,100,188 km (0.043 R)
• M12: 11,279,530 km (0.113 R)
• M13: 15,576,579 km (0.068 R)
• M14: 16,781,440 km (0.072 R)
• M15: 17,000,452 km (0.077 R)
• M16: 18,123,632 km (0.119 R)
• M17: 21,702,911 km (0.039 R)
• M18: 22,933,802 km (0.077 R)
• M19: 24,303,371 km (0.106 R)
• M20: 25,437,622 km (0.034 R)
• M21: 25,726,495 km (0.081 R)
• M22: 27,104,142 km (0.095 R)
• M23: 29,579,089 km (0.054 R)
• M24: 36,173,513 km (0.117 R)
• M25: 37,030,111 km (0.038 R)
• M26: 38,277,308 km (0.115 R)
• M27: 40,461,138 km (0.116 R)
• M28: 42,186,300 km (0.118 R)
• M29: 42,726,797 km (0.054 R)
• M30: 45,782,484 km (0.083 R)
• M31: 46,210,184 km (0.091 R)
• M32: 46,784,490 km (0.102 R)
• M33: 47,218,324 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.3

Radius: 3.4

Gravity: 65.08 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.11 AU - 8.69 AU

Year: 16805 Days

Day: 22.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,667,560 km

• M1: 42,336 km (0.115 R)
• M2: 229,932 km (0.084 R)
• M3: 356,043 km (0.074 R)
• M4: 601,084 km (0.115 R)
• M5: 707,897 km (0.104 R)
• M6: 972,237 km (0.053 R)
• M7: 1,146,967 km (0.1 R)
• M8: 1,256,024 km (0.115 R)
• M9: 1,371,962 km (0.038 R)
• M10: 1,495,081 km (0.112 R)
• M11: 1,642,435 km (0.079 R)
• M12: 1,985,613 km (0.075 R)
• M13: 2,246,661 km (0.104 R)
• M14: 2,739,885 km (0.099 R)
• M15: 3,037,435 km (0.084 R)
• M16: 3,439,405 km (0.067 R)
• M17: 3,609,647 km (0.041 R)
• M18: 4,963,508 km (0.051 R)
• M19: 5,181,173 km (0.051 R)
• M20: 5,442,969 km (0.101 R)
• M21: 6,074,721 km (0.102 R)
• M22: 9,039,302 km (0.072 R)
• M23: 9,752,136 km (0.103 R)
• M24: 10,620,402 km (0.082 R)
• M25: 11,165,237 km (0.046 R)
• M26: 16,934,629 km (0.074 R)
• M27: 18,875,362 km (0.119 R)
• M28: 23,494,196 km (0.114 R)
• M29: 31,564,104 km (0.08 R)
• M30: 44,013,339 km (0.065 R)
• M31: 57,696,757 km (0.073 R)
• M32: 58,437,416 km (0.116 R)
• M33: 65,191,311 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.3

Radius: 6.4

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.36 AU - 10.06 AU

Year: 19293 Days

Day: 22.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,667,560 km

• M1: 80,035 km (0.09 R)
• M2: 441,314 km (0.085 R)
• M3: 775,067 km (0.03 R)
• M4: 1,010,683 km (0.115 R)
• M5: 3,854,539 km (0.112 R)
• M6: 4,078,188 km (0.073 R)
• M7: 4,340,283 km (0.083 R)
• M8: 5,537,365 km (0.108 R)
• M9: 6,155,354 km (0.055 R)
• M10: 7,658,065 km (0.086 R)
• M11: 9,490,489 km (0.119 R)
• M12: 10,481,276 km (0.044 R)
• M13: 11,085,501 km (0.103 R)
• M14: 13,996,078 km (0.094 R)
• M15: 15,838,675 km (0.114 R)
• M16: 16,487,331 km (0.068 R)
• M17: 17,991,687 km (0.09 R)
• M18: 18,539,215 km (0.106 R)
• M19: 19,097,664 km (0.107 R)
• M20: 21,531,622 km (0.097 R)
• M21: 23,418,200 km (0.113 R)
• M22: 25,706,001 km (0.093 R)
• M23: 31,277,624 km (0.097 R)
• M24: 32,182,990 km (0.097 R)
• M25: 34,283,643 km (0.067 R)
• M26: 41,807,967 km (0.05 R)
• M27: 44,305,354 km (0.097 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 16,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit