🌌 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: 260.1

Radius: 12.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.51 AU - 0.57 AU

Year: 269 Days

Day: 14.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 32,882,898 km

• M1: 159,172 km (0.049 R)
• M2: 681,418 km (0.09 R)
• M3: 1,226,852 km (0.11 R)
• M4: 1,628,672 km (0.087 R)
• M5: 2,272,840 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.3

Radius: 11

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.61 AU - 0.71 AU

Year: 364 Days

Day: 13.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,882,898 km

• M1: 136,732 km (0.113 R)
• M2: 547,977 km (0.087 R)
• M3: 966,552 km (0.049 R)
• M4: 1,654,702 km (0.117 R)
• M5: 2,014,635 km (0.03 R)
• M6: 2,427,525 km (0.097 R)
• M7: 2,827,699 km (0.087 R)
• M8: 3,370,739 km (0.055 R)
• M9: 3,834,792 km (0.038 R)
• M10: 4,288,672 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.1

Radius: 10

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.17 AU - 1.67 AU

Year: 1148 Days

Day: 11.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,882,898 km

• M1: 124,316 km (0.099 R)
• M2: 491,878 km (0.078 R)
• M3: 808,876 km (0.114 R)
• M4: 1,148,762 km (0.111 R)
• M5: 1,554,920 km (0.096 R)
• M6: 1,910,365 km (0.114 R)
• M7: 2,413,462 km (0.092 R)
• M8: 2,731,059 km (0.027 R)
• M9: 3,700,154 km (0.026 R)
• M10: 4,125,311 km (0.1 R)
• M11: 4,681,665 km (0.111 R)
• M12: 5,109,216 km (0.102 R)
• M13: 6,082,350 km (0.118 R)
• M14: 7,467,178 km (0.092 R)
• M15: 7,791,057 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.9

Radius: 12.4

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.6 AU - 2.08 AU

Year: 1693 Days

Day: 5.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,882,898 km

• M1: 154,385 km (0.094 R)
• M2: 614,249 km (0.101 R)
• M3: 1,247,347 km (0.089 R)
• M4: 1,826,889 km (0.114 R)
• M5: 2,242,472 km (0.076 R)
• M6: 2,866,594 km (0.075 R)
• M7: 3,400,360 km (0.085 R)
• M8: 4,607,166 km (0.119 R)
• M9: 5,297,709 km (0.047 R)
• M10: 6,384,388 km (0.076 R)
• M11: 6,831,836 km (0.057 R)
• M12: 8,332,153 km (0.063 R)
• M13: 9,696,036 km (0.105 R)
• M14: 10,868,285 km (0.115 R)
• M15: 11,778,588 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.3

Radius: 12.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.81 AU - 2.37 AU

Year: 2049 Days

Day: 11.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,882,898 km

• M1: 156,779 km (0.103 R)
• M2: 622,327 km (0.096 R)
• M3: 1,080,246 km (0.088 R)
• M4: 1,658,741 km (0.115 R)
• M5: 2,073,127 km (0.095 R)
• M6: 2,936,756 km (0.107 R)
• M7: 3,337,678 km (0.1 R)
• M8: 4,138,326 km (0.088 R)
• M9: 4,604,772 km (0.074 R)
• M10: 5,460,771 km (0.095 R)
• M11: 6,269,348 km (0.117 R)
• M12: 6,781,271 km (0.073 R)
• M13: 7,321,021 km (0.103 R)
• M14: 7,977,157 km (0.11 R)
• M15: 8,954,929 km (0.119 R)
• M16: 9,840,698 km (0.026 R)
• M17: 10,427,869 km (0.084 R)
• M18: 10,820,115 km (0.083 R)
• M19: 11,940,304 km (0.041 R)
• M20: 14,106,481 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.8

Radius: 14.5

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.51 AU - 2.89 AU

Year: 3009 Days

Day: 5.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,882,898 km

• M1: 185,651 km (0.074 R)
• M2: 721,361 km (0.102 R)
• M3: 1,264,700 km (0.068 R)
• M4: 1,963,771 km (0.086 R)
• M5: 2,561,415 km (0.057 R)
• M6: 3,349,496 km (0.078 R)
• M7: 4,108,706 km (0.088 R)
• M8: 4,774,117 km (0.063 R)
• M9: 5,313,567 km (0.096 R)
• M10: 6,025,353 km (0.118 R)
• M11: 8,414,731 km (0.118 R)
• M12: 9,821,549 km (0.119 R)
• M13: 10,659,447 km (0.073 R)
• M14: 11,585,906 km (0.047 R)
• M15: 12,609,305 km (0.096 R)
• M16: 16,564,523 km (0.107 R)
• M17: 17,151,545 km (0.108 R)
• M18: 19,112,175 km (0.12 R)
• M19: 20,237,151 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.2

Radius: 12.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.46 AU - 3.88 AU

Year: 3828 Days

Day: 14.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,882,898 km

• M1: 156,779 km (0.077 R)
• M2: 769,681 km (0.073 R)
• M3: 1,238,072 km (0.063 R)
• M4: 1,848,581 km (0.108 R)
• M5: 2,526,110 km (0.057 R)
• M6: 3,231,164 km (0.04 R)
• M7: 3,933,526 km (0.093 R)
• M8: 4,590,710 km (0.09 R)
• M9: 6,066,942 km (0.083 R)
• M10: 7,466,430 km (0.082 R)
• M11: 8,807,425 km (0.066 R)
• M12: 9,535,368 km (0.104 R)
• M13: 14,200,578 km (0.082 R)
• M14: 15,040,869 km (0.087 R)
• M15: 16,363,165 km (0.112 R)
• M16: 18,737,133 km (0.096 R)
• M17: 20,995,463 km (0.042 R)
• M18: 22,016,767 km (0.087 R)
• M19: 24,827,263 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.1

Radius: 12

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.46 AU - 4.48 AU

Year: 6410 Days

Day: 14.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,882,898 km

• M1: 151,543 km (0.116 R)
• M2: 592,108 km (0.102 R)
• M3: 971,339 km (0.111 R)
• M4: 1,679,535 km (0.067 R)
• M5: 2,553,785 km (0.11 R)
• M6: 3,837,485 km (0.094 R)
• M7: 5,775,675 km (0.101 R)
• M8: 6,225,665 km (0.048 R)
• M9: 6,752,997 km (0.1 R)
• M10: 7,396,119 km (0.105 R)
• M11: 8,171,933 km (0.088 R)
• M12: 8,579,737 km (0.057 R)
• M13: 11,709,325 km (0.056 R)
• M14: 14,101,394 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.6

Radius: 11.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.87 AU - 5.69 AU

Year: 8229 Days

Day: 8.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,882,898 km

• M1: 139,425 km (0.114 R)
• M2: 762,500 km (0.06 R)
• M3: 1,907,822 km (0.11 R)
• M4: 2,652,819 km (0.111 R)
• M5: 3,162,948 km (0.09 R)
• M6: 3,944,597 km (0.098 R)
• M7: 4,637,833 km (0.117 R)
• M8: 7,036,485 km (0.106 R)
• M9: 7,681,701 km (0.106 R)
• M10: 10,756,237 km (0.086 R)
• M11: 11,515,296 km (0.093 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 17,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit