🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.63 AU - 0.69 AU

Year: 188 Days

Day: 34.6 Hours

Environment

Temp: 171 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,937,192 km

• M1: 95,144 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.06 AU - 3 AU

Year: 1414 Days

Day: 24.4 Hours

Environment

Temp: -78 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.84 AU - 4.14 AU

Year: 2291 Days

Day: 13.7 Hours

Environment

Temp: -109 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,937,192 km

• M1: 265,536 km (0.068 R)

Asteroid Belt

Center: 4.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.3

Radius: 10.8

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.44 AU - 5.68 AU

Year: 4608 Days

Day: 9.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,937,192 km

• M1: 134,339 km (0.067 R)
• M2: 489,185 km (0.073 R)
• M3: 825,631 km (0.107 R)
• M4: 1,235,379 km (0.076 R)
• M5: 1,768,696 km (0.076 R)
• M6: 2,200,884 km (0.106 R)
• M7: 2,881,255 km (0.096 R)
• M8: 4,313,355 km (0.104 R)
• M9: 4,659,375 km (0.079 R)
• M10: 5,464,062 km (0.104 R)
• M11: 6,775,886 km (0.09 R)
• M12: 7,736,454 km (0.107 R)
• M13: 8,100,575 km (0.09 R)
• M14: 12,600,778 km (0.055 R)
• M15: 15,320,767 km (0.111 R)
• M16: 16,308,412 km (0.118 R)
• M17: 16,908,898 km (0.104 R)
• M18: 17,774,172 km (0.112 R)
• M19: 22,476,033 km (0.046 R)
• M20: 23,069,787 km (0.063 R)
• M21: 23,903,197 km (0.094 R)
• M22: 24,835,191 km (0.108 R)
• M23: 26,606,580 km (0.116 R)
• M24: 29,507,582 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.7

Radius: 12.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.17 AU - 11.25 AU

Year: 11466 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,937,192 km

• M1: 154,535 km (0.118 R)
• M2: 561,291 km (0.104 R)
• M3: 1,182,422 km (0.116 R)
• M4: 1,903,184 km (0.094 R)
• M5: 2,420,194 km (0.047 R)
• M6: 2,964,581 km (0.082 R)
• M7: 3,491,913 km (0.076 R)
• M8: 6,514,688 km (0.074 R)
• M9: 8,930,993 km (0.12 R)
• M10: 11,504,226 km (0.076 R)
• M11: 15,122,550 km (0.113 R)
• M12: 24,787,170 km (0.094 R)
• M13: 25,529,774 km (0.035 R)
• M14: 26,191,745 km (0.086 R)
• M15: 28,146,391 km (0.055 R)
• M16: 30,618,047 km (0.083 R)
• M17: 31,906,533 km (0.094 R)
• M18: 34,706,856 km (0.095 R)
• M19: 36,225,872 km (0.027 R)
• M20: 46,985,400 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.7

Radius: 7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 12.99 AU - 18.35 AU

Year: 21801 Days

Day: 19.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,937,192 km

• M1: 87,365 km (0.106 R)
• M2: 395,836 km (0.063 R)
• M3: 1,054,815 km (0.073 R)
• M4: 1,446,611 km (0.116 R)
• M5: 2,917,009 km (0.099 R)
• M6: 4,567,373 km (0.101 R)
• M7: 5,273,624 km (0.075 R)
• M8: 8,343,223 km (0.098 R)
• M9: 9,839,800 km (0.095 R)
• M10: 10,391,666 km (0.074 R)
• M11: 10,770,897 km (0.103 R)
• M12: 12,433,827 km (0.095 R)
• M13: 13,859,196 km (0.086 R)
• M14: 14,087,781 km (0.091 R)
• M15: 21,943,913 km (0.102 R)
• M16: 25,955,979 km (0.096 R)
• M17: 27,997,391 km (0.082 R)
• M18: 28,547,014 km (0.099 R)
• M19: 34,759,963 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.1

Radius: 6.2

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 19.01 AU - 21.83 AU

Year: 32431 Days

Day: 17 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,937,192 km

• M1: 77,791 km (0.093 R)
• M2: 302,188 km (0.114 R)
• M3: 627,114 km (0.106 R)
• M4: 1,144,873 km (0.11 R)
• M5: 2,127,431 km (0.058 R)
• M6: 2,646,835 km (0.097 R)
• M7: 4,345,519 km (0.047 R)
• M8: 7,201,641 km (0.09 R)
• M9: 10,507,605 km (0.115 R)
• M10: 11,547,908 km (0.076 R)
• M11: 12,454,771 km (0.094 R)
• M12: 14,263,409 km (0.096 R)
• M13: 15,382,850 km (0.091 R)
• M14: 16,559,736 km (0.093 R)
• M15: 17,795,415 km (0.103 R)
• M16: 23,254,241 km (0.12 R)
• M17: 24,070,896 km (0.06 R)
• M18: 24,801,083 km (0.103 R)
• M19: 26,087,176 km (0.069 R)
• M20: 26,746,454 km (0.038 R)
• M21: 47,061,246 km (0.032 R)
• M22: 48,201,780 km (0.108 R)
• M23: 48,861,806 km (0.114 R)
• M24: 56,524,059 km (0.085 R)
• M25: 64,949,412 km (0.09 R)
• M26: 65,351,082 km (0.08 R)
• M27: 69,879,559 km (0.049 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 18,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit