🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551

Radius: 9.2

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.69 AU - 0.79 AU

Year: 424 Days

Day: 10 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,790,059 km

• M1: 114,442 km (0.082 R)
• M2: 415,134 km (0.114 R)
• M3: 827,127 km (0.108 R)
• M4: 1,532,780 km (0.065 R)
• M5: 1,998,927 km (0.095 R)
• M6: 2,463,877 km (0.079 R)
• M7: 2,812,889 km (0.027 R)
• M8: 3,205,882 km (0.047 R)
• M9: 3,934,125 km (0.097 R)
• M10: 4,725,049 km (0.103 R)
• M11: 5,220,218 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420

Radius: 14.1

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.04 AU - 1.06 AU

Year: 717 Days

Day: 13.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,790,059 km

• M1: 175,329 km (0.108 R)
• M2: 842,685 km (0.111 R)
• M3: 1,471,893 km (0.116 R)
• M4: 2,049,491 km (0.079 R)
• M5: 3,161,153 km (0.059 R)
• M6: 3,672,329 km (0.108 R)
• M7: 4,123,815 km (0.119 R)
• M8: 4,705,451 km (0.072 R)
• M9: 5,479,172 km (0.069 R)
• M10: 5,979,427 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.5

Radius: 15

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1 AU - 1.42 AU

Year: 888 Days

Day: 13.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,790,059 km

• M1: 186,549 km (0.081 R)
• M2: 694,433 km (0.098 R)
• M3: 1,203,515 km (0.094 R)
• M4: 1,743,264 km (0.063 R)
• M5: 2,569,194 km (0.119 R)
• M6: 3,044,466 km (0.107 R)
• M7: 3,793,952 km (0.078 R)
• M8: 4,554,208 km (0.048 R)
• M9: 5,054,463 km (0.111 R)
• M10: 5,828,333 km (0.065 R)
• M11: 6,864,149 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64

Radius: 9.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.97 AU - 2.83 AU

Year: 2479 Days

Day: 11.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,790,059 km

• M1: 115,639 km (0.088 R)
• M2: 707,897 km (0.071 R)
• M3: 1,509,293 km (0.108 R)
• M4: 2,409,274 km (0.113 R)
• M5: 5,653,752 km (0.108 R)
• M6: 6,413,410 km (0.101 R)
• M7: 7,916,570 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987

Radius: 12.7

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.84 AU - 2.9 AU

Year: 3242 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,790,059 km

• M1: 157,975 km (0.084 R)
• M2: 599,139 km (0.102 R)
• M3: 1,382,584 km (0.077 R)
• M4: 2,205,222 km (0.097 R)
• M5: 3,200,646 km (0.11 R)
• M6: 4,024,632 km (0.032 R)
• M7: 5,086,926 km (0.091 R)
• M8: 5,615,455 km (0.091 R)
• M9: 6,477,289 km (0.113 R)
• M10: 6,877,164 km (0.061 R)
• M11: 8,072,152 km (0.077 R)
• M12: 8,793,363 km (0.026 R)
• M13: 9,874,806 km (0.084 R)
• M14: 11,260,980 km (0.11 R)
• M15: 13,013,519 km (0.049 R)
• M16: 17,580,891 km (0.112 R)
• M17: 19,547,056 km (0.091 R)
• M18: 21,451,736 km (0.063 R)
• M19: 22,205,560 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.6

Radius: 10.6

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.49 AU - 3.55 AU

Year: 4404 Days

Day: 7.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,790,059 km

• M1: 132,245 km (0.073 R)
• M2: 510,877 km (0.103 R)
• M3: 1,126,472 km (0.038 R)
• M4: 1,988,305 km (0.1 R)
• M5: 4,911,448 km (0.055 R)
• M6: 6,753,895 km (0.056 R)
• M7: 7,436,061 km (0.066 R)
• M8: 8,276,801 km (0.118 R)
• M9: 9,425,563 km (0.109 R)
• M10: 14,536,126 km (0.095 R)
• M11: 20,816,843 km (0.095 R)
• M12: 21,314,405 km (0.077 R)
• M13: 23,308,246 km (0.078 R)
• M14: 26,238,419 km (0.076 R)
• M15: 27,070,632 km (0.098 R)
• M16: 29,228,133 km (0.112 R)
• M17: 29,673,037 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.3

Radius: 8.6

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.72 AU - 4.38 AU

Year: 5435 Days

Day: 7.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,790,059 km

• M1: 106,962 km (0.102 R)
• M2: 547,079 km (0.083 R)
• M3: 827,875 km (0.062 R)
• M4: 1,486,554 km (0.064 R)
• M5: 2,095,717 km (0.03 R)
• M6: 2,829,644 km (0.098 R)
• M7: 3,685,942 km (0.106 R)
• M8: 7,667,639 km (0.096 R)
• M9: 7,993,014 km (0.047 R)
• M10: 10,220,826 km (0.108 R)
• M11: 11,143,246 km (0.052 R)
• M12: 14,637,104 km (0.095 R)
• M13: 15,393,621 km (0.108 R)
• M14: 16,496,456 km (0.043 R)
• M15: 17,260,303 km (0.107 R)
• M16: 18,276,821 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.7

Radius: 8

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.77 AU - 5.47 AU

Year: 6622 Days

Day: 6.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,790,059 km

• M1: 99,483 km (0.079 R)
• M2: 360,680 km (0.104 R)
• M3: 833,111 km (0.077 R)
• M4: 1,259,165 km (0.089 R)
• M5: 1,797,568 km (0.113 R)
• M6: 2,082,402 km (0.096 R)
• M7: 2,331,932 km (0.077 R)
• M8: 2,780,725 km (0.116 R)
• M9: 3,431,925 km (0.075 R)
• M10: 4,229,581 km (0.102 R)
• M11: 4,685,256 km (0.052 R)
• M12: 5,845,686 km (0.044 R)
• M13: 6,978,890 km (0.117 R)
• M14: 7,615,728 km (0.075 R)
• M15: 9,418,981 km (0.119 R)
• M16: 10,330,182 km (0.105 R)
• M17: 11,015,938 km (0.11 R)
• M18: 13,684,016 km (0.096 R)
• M19: 14,908,176 km (0.102 R)
• M20: 15,783,623 km (0.062 R)
• M21: 16,631,244 km (0.092 R)
• M22: 19,424,386 km (0.069 R)
• M23: 19,976,552 km (0.118 R)
• M24: 25,181,062 km (0.054 R)
• M25: 27,875,170 km (0.107 R)
• M26: 28,489,269 km (0.09 R)
• M27: 29,835,201 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 17,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit