🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.4

Radius: 10.9

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.5 AU - 0.58 AU

Year: 279 Days

Day: 6.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,877,345 km

• M1: 136,284 km (0.093 R)
• M2: 511,625 km (0.083 R)
• M3: 958,922 km (0.059 R)
• M4: 1,465,162 km (0.089 R)
• M5: 1,988,455 km (0.107 R)
• M6: 2,426,477 km (0.111 R)
• M7: 2,778,332 km (0.072 R)
• M8: 3,134,225 km (0.057 R)
• M9: 3,664,250 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.8

Radius: 13.6

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.54 AU - 0.86 AU

Year: 412 Days

Day: 11.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,877,345 km

• M1: 169,794 km (0.107 R)
• M2: 600,486 km (0.055 R)
• M3: 1,024,446 km (0.119 R)
• M4: 1,450,950 km (0.054 R)
• M5: 1,894,507 km (0.087 R)
• M6: 2,872,130 km (0.113 R)
• M7: 3,390,935 km (0.049 R)
• M8: 4,333,701 km (0.108 R)
• M9: 4,903,369 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70

Radius: 11.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.58 AU - 0.94 AU

Year: 466 Days

Day: 6.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,877,345 km

• M1: 139,874 km (0.066 R)
• M2: 626,815 km (0.094 R)
• M3: 1,793,678 km (0.066 R)
• M4: 2,296,627 km (0.071 R)
• M5: 2,835,029 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.3

Radius: 9.6

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.59 AU - 1.67 AU

Year: 1463 Days

Day: 12.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,877,345 km

• M1: 119,379 km (0.1 R)
• M2: 438,771 km (0.091 R)
• M3: 789,129 km (0.055 R)
• M4: 1,238,670 km (0.082 R)
• M5: 1,640,490 km (0.097 R)
• M6: 2,650,874 km (0.115 R)
• M7: 3,093,684 km (0.1 R)
• M8: 4,015,506 km (0.106 R)
• M9: 4,761,102 km (0.058 R)
• M10: 5,616,353 km (0.106 R)
• M11: 6,683,135 km (0.092 R)
• M12: 7,098,569 km (0.083 R)
• M13: 7,580,274 km (0.037 R)
• M14: 7,930,333 km (0.093 R)
• M15: 8,528,874 km (0.062 R)
• M16: 9,382,928 km (0.069 R)
• M17: 9,993,287 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.8

Radius: 13.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.74 AU - 2.84 AU

Year: 2436 Days

Day: 11.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,877,345 km

• M1: 167,998 km (0.091 R)
• M2: 1,653,655 km (0.116 R)
• M3: 2,636,662 km (0.1 R)
• M4: 4,666,855 km (0.091 R)
• M5: 5,583,142 km (0.072 R)
• M6: 6,543,411 km (0.108 R)
• M7: 7,478,098 km (0.12 R)
• M8: 8,644,962 km (0.102 R)
• M9: 11,060,219 km (0.118 R)
• M10: 12,385,956 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.4

Radius: 6.5

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.32 AU - 7.62 AU

Year: 14351 Days

Day: 20 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,877,345 km

• M1: 80,783 km (0.113 R)
• M2: 471,532 km (0.063 R)
• M3: 1,650,065 km (0.087 R)
• M4: 1,915,152 km (0.092 R)
• M5: 2,420,643 km (0.102 R)
• M6: 3,340,670 km (0.048 R)
• M7: 4,230,029 km (0.089 R)
• M8: 6,501,224 km (0.034 R)
• M9: 7,397,764 km (0.083 R)
• M10: 9,758,419 km (0.112 R)
• M11: 10,090,975 km (0.12 R)
• M12: 10,579,113 km (0.064 R)
• M13: 10,829,091 km (0.114 R)
• M14: 12,412,584 km (0.098 R)
• M15: 13,550,126 km (0.09 R)
• M16: 20,604,863 km (0.08 R)
• M17: 21,629,459 km (0.096 R)
• M18: 23,780,078 km (0.067 R)
• M19: 26,433,944 km (0.081 R)
• M20: 30,070,668 km (0.094 R)
• M21: 33,703,054 km (0.061 R)
• M22: 39,504,011 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.9

Radius: 3.6

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.14 AU - 12.28 AU

Year: 22932 Days

Day: 19 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,877,345 km

• M1: 52,210 km (0.11 R)
• M2: 347,516 km (0.111 R)
• M3: 2,207,017 km (0.107 R)
• M4: 3,225,928 km (0.097 R)
• M5: 3,486,378 km (0.107 R)
• M6: 7,463,139 km (0.094 R)
• M7: 7,585,510 km (0.03 R)
• M8: 11,042,866 km (0.089 R)
• M9: 19,493,051 km (0.069 R)
• M10: 23,870,584 km (0.112 R)
• M11: 35,412,658 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 10,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit