🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.2

Radius: 8.7

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.55 AU - 0.87 AU

Year: 406 Days

Day: 9.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,054,523 km

• M1: 108,159 km (0.064 R)
• M2: 430,243 km (0.068 R)
• M3: 852,259 km (0.107 R)
• M4: 1,289,833 km (0.112 R)
• M5: 1,682,976 km (0.071 R)
• M6: 2,203,427 km (0.092 R)
• M7: 2,656,709 km (0.051 R)
• M8: 3,026,215 km (0.064 R)
• M9: 3,418,760 km (0.102 R)
• M10: 3,966,288 km (0.043 R)
• M11: 4,584,576 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.6

Radius: 11.8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.92 AU - 1.46 AU

Year: 880 Days

Day: 12.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,054,523 km

• M1: 146,756 km (0.07 R)
• M2: 557,850 km (0.038 R)
• M3: 953,836 km (0.109 R)
• M4: 1,343,389 km (0.117 R)
• M5: 1,744,610 km (0.039 R)
• M6: 2,115,613 km (0.101 R)
• M7: 2,528,802 km (0.12 R)
• M8: 2,908,033 km (0.072 R)
• M9: 4,249,926 km (0.062 R)
• M10: 5,357,249 km (0.075 R)
• M11: 7,144,196 km (0.036 R)
• M12: 7,910,287 km (0.096 R)
• M13: 8,494,317 km (0.12 R)
• M14: 9,271,328 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.2

Radius: 12.9

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.58 AU - 2.2 AU

Year: 1762 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,054,523 km

• M1: 163,361 km (0.103 R)
• M2: 604,375 km (0.061 R)
• M3: 1,067,530 km (0.03 R)
• M4: 1,636,451 km (0.092 R)
• M5: 2,153,312 km (0.087 R)
• M6: 2,818,274 km (0.105 R)
• M7: 3,251,061 km (0.098 R)
• M8: 3,744,734 km (0.092 R)
• M9: 5,305,040 km (0.092 R)
• M10: 5,728,252 km (0.118 R)
• M11: 6,476,241 km (0.097 R)
• M12: 8,167,296 km (0.089 R)
• M13: 9,694,241 km (0.1 R)
• M14: 10,394,658 km (0.118 R)
• M15: 10,958,792 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.9

Radius: 13.6

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.9 AU - 2.56 AU

Year: 2259 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,054,523 km

• M1: 169,195 km (0.119 R)
• M2: 917,185 km (0.027 R)
• M3: 1,418,786 km (0.103 R)
• M4: 1,915,152 km (0.059 R)
• M5: 2,376,661 km (0.075 R)
• M6: 2,866,594 km (0.11 R)
• M7: 3,389,589 km (0.119 R)
• M8: 5,718,977 km (0.048 R)
• M9: 6,311,385 km (0.084 R)
• M10: 6,775,288 km (0.113 R)
• M11: 7,350,192 km (0.098 R)
• M12: 9,238,716 km (0.037 R)
• M13: 10,389,123 km (0.118 R)
• M14: 11,552,247 km (0.099 R)
• M15: 12,544,081 km (0.104 R)
• M16: 17,991,238 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.7

Radius: 12.7

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.78 AU - 2.86 AU

Year: 2397 Days

Day: 12.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,054,523 km

• M1: 158,873 km (0.051 R)
• M2: 663,317 km (0.111 R)
• M3: 1,200,523 km (0.102 R)
• M4: 1,614,610 km (0.063 R)
• M5: 2,012,989 km (0.062 R)
• M6: 2,775,938 km (0.042 R)
• M7: 4,389,501 km (0.09 R)
• M8: 4,945,706 km (0.117 R)
• M9: 5,649,414 km (0.104 R)
• M10: 7,624,854 km (0.062 R)
• M11: 8,102,071 km (0.061 R)
• M12: 9,654,598 km (0.093 R)
• M13: 12,235,610 km (0.099 R)
• M14: 12,714,024 km (0.066 R)
• M15: 13,478,020 km (0.113 R)
• M16: 16,057,387 km (0.115 R)
• M17: 18,266,648 km (0.109 R)
• M18: 19,007,606 km (0.109 R)
• M19: 20,246,875 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.1

Radius: 12.6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.47 AU - 5.61 AU

Year: 8844 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,054,523 km

• M1: 156,928 km (0.084 R)
• M2: 729,589 km (0.028 R)
• M3: 1,656,796 km (0.086 R)
• M4: 2,330,735 km (0.096 R)
• M5: 3,345,008 km (0.081 R)
• M6: 3,848,854 km (0.07 R)
• M7: 5,121,034 km (0.097 R)
• M8: 6,589,786 km (0.084 R)
• M9: 26,762,760 km (0.092 R)
• M10: 29,054,599 km (0.104 R)
• M11: 29,785,385 km (0.062 R)
• M12: 30,810,280 km (0.09 R)
• M13: 32,439,999 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.8

Radius: 3.8

Gravity: 17.58 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.39 AU - 11.19 AU

Year: 20776 Days

Day: 21.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,054,523 km

• M1: 47,273 km (0.071 R)
• M2: 337,194 km (0.113 R)
• M3: 619,485 km (0.101 R)
• M4: 821,442 km (0.045 R)
• M5: 1,574,667 km (0.058 R)
• M6: 2,407,628 km (0.119 R)
• M7: 3,293,547 km (0.101 R)
• M8: 6,596,219 km (0.114 R)
• M9: 6,881,502 km (0.077 R)
• M10: 10,202,575 km (0.092 R)
• M11: 17,502,801 km (0.075 R)
• M12: 17,891,905 km (0.083 R)
• M13: 18,606,534 km (0.109 R)
• M14: 22,559,209 km (0.059 R)
• M15: 26,933,451 km (0.091 R)
• M16: 29,155,279 km (0.116 R)
• M17: 30,478,173 km (0.119 R)
• M18: 32,653,774 km (0.116 R)
• M19: 34,686,061 km (0.032 R)
• M20: 34,930,654 km (0.025 R)
• M21: 35,546,848 km (0.092 R)
• M22: 35,671,014 km (0.107 R)
• M23: 39,530,639 km (0.066 R)
• M24: 40,469,665 km (0.089 R)
• M25: 44,087,540 km (0.071 R)
• M26: 44,662,594 km (0.029 R)
• M27: 45,097,026 km (0.069 R)
• M28: 47,312,271 km (0.027 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: 388 - 12,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit