🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.85 AU - 3.97 AU

Year: 2245 Days

Day: 29.7 Hours

Environment

Temp: -105 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.42 AU - 5.32 AU

Year: 3831 Days

Day: 23.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.16 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.5

Radius: 14.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.22 AU - 6.66 AU

Year: 4523 Days

Day: 14.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,337,731 km

• M1: 175,329 km (0.103 R)
• M2: 714,629 km (0.09 R)
• M3: 1,304,344 km (0.065 R)
• M4: 2,485,419 km (0.067 R)
• M5: 3,142,752 km (0.08 R)
• M6: 4,832,460 km (0.078 R)
• M7: 6,025,503 km (0.114 R)
• M8: 7,065,807 km (0.042 R)
• M9: 8,565,675 km (0.075 R)
• M10: 10,626,834 km (0.117 R)
• M11: 11,794,745 km (0.118 R)
• M12: 13,420,126 km (0.109 R)
• M13: 14,188,760 km (0.111 R)
• M14: 14,633,813 km (0.033 R)
• M15: 16,132,036 km (0.078 R)
• M16: 17,560,097 km (0.099 R)
• M17: 18,016,072 km (0.105 R)
• M18: 19,919,704 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.2

Radius: 13.2

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.89 AU - 6.75 AU

Year: 5663 Days

Day: 11.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,337,731 km

• M1: 164,258 km (0.081 R)
• M2: 689,945 km (0.093 R)
• M3: 1,212,640 km (0.087 R)
• M4: 2,234,543 km (0.097 R)
• M5: 3,305,963 km (0.12 R)
• M6: 4,824,083 km (0.045 R)
• M7: 5,917,045 km (0.108 R)
• M8: 8,246,583 km (0.078 R)
• M9: 9,763,355 km (0.053 R)
• M10: 10,410,815 km (0.036 R)
• M11: 12,828,765 km (0.078 R)
• M12: 15,254,644 km (0.108 R)
• M13: 17,342,283 km (0.076 R)
• M14: 18,682,829 km (0.05 R)
• M15: 22,371,913 km (0.058 R)
• M16: 28,298,382 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.3

Radius: 9.1

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.03 AU - 7.03 AU

Year: 5948 Days

Day: 7.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,337,731 km

• M1: 113,395 km (0.068 R)
• M2: 460,761 km (0.114 R)
• M3: 985,401 km (0.118 R)
• M4: 1,303,297 km (0.117 R)
• M5: 1,845,589 km (0.099 R)
• M6: 2,442,036 km (0.101 R)
• M7: 2,756,790 km (0.103 R)
• M8: 3,747,427 km (0.095 R)
• M9: 5,654,650 km (0.057 R)
• M10: 8,629,104 km (0.076 R)
• M11: 12,351,847 km (0.098 R)
• M12: 18,044,046 km (0.094 R)
• M13: 18,602,944 km (0.114 R)
• M14: 19,608,690 km (0.118 R)
• M15: 20,124,803 km (0.116 R)
• M16: 20,725,887 km (0.11 R)
• M17: 25,973,182 km (0.037 R)
• M18: 28,149,831 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.7

Radius: 10.6

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.83 AU - 8.01 AU

Year: 7945 Days

Day: 6.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,337,731 km

• M1: 140,323 km (0.057 R)
• M2: 473,477 km (0.079 R)
• M3: 938,727 km (0.062 R)
• M4: 1,760,318 km (0.112 R)
• M5: 2,124,290 km (0.096 R)
• M6: 5,643,729 km (0.04 R)
• M7: 7,949,481 km (0.116 R)
• M8: 9,582,940 km (0.097 R)
• M9: 13,850,818 km (0.069 R)
• M10: 22,399,439 km (0.106 R)
• M11: 27,713,006 km (0.076 R)
• M12: 28,371,835 km (0.103 R)
• M13: 28,848,902 km (0.054 R)
• M14: 30,510,935 km (0.101 R)
• M15: 31,112,468 km (0.105 R)
• M16: 34,563,391 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.6

Radius: 12.3

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 10.16 AU - 14.5 AU

Year: 15433 Days

Day: 11.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,337,731 km

• M1: 153,487 km (0.095 R)
• M2: 570,117 km (0.055 R)
• M3: 1,260,063 km (0.116 R)
• M4: 1,983,817 km (0.106 R)
• M5: 4,547,626 km (0.114 R)
• M6: 5,887,125 km (0.098 R)
• M7: 6,332,179 km (0.088 R)
• M8: 7,244,576 km (0.095 R)
• M9: 11,600,866 km (0.114 R)
• M10: 17,700,719 km (0.109 R)
• M11: 19,863,007 km (0.113 R)
• M12: 21,906,813 km (0.072 R)
• M13: 22,487,851 km (0.109 R)
• M14: 23,781,723 km (0.083 R)
• M15: 25,441,811 km (0.101 R)
• M16: 26,408,811 km (0.101 R)
• M17: 28,416,265 km (0.087 R)
• M18: 35,442,877 km (0.065 R)
• M19: 36,784,620 km (0.049 R)
• M20: 38,299,299 km (0.084 R)
• M21: 41,895,632 km (0.088 R)
• M22: 51,264,198 km (0.113 R)
• M23: 60,222,717 km (0.11 R)
• M24: 61,172,065 km (0.098 R)
• M25: 69,130,373 km (0.089 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 12,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit