🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.61 AU - 0.97 AU

Year: 249 Days

Day: 13.8 Hours

Environment

Temp: 141 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.04 AU - 1.3 AU

Year: 449 Days

Day: 22.5 Hours

Environment

Temp: 11 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 51,253,726 km

• M1: 416,480 km (0.105 R)

Asteroid Belt

Center: 1.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.94 AU - 2.3 AU

Year: 1095 Days

Day: 15 Hours

Environment

Temp: -62 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.64 AU - 4.38 AU

Year: 2849 Days

Day: 40.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.9

Radius: 12.8

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.71 AU - 7.33 AU

Year: 5240 Days

Day: 9.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,253,726 km

• M1: 159,172 km (0.11 R)
• M2: 813,364 km (0.065 R)
• M3: 1,303,745 km (0.116 R)
• M4: 2,006,556 km (0.107 R)
• M5: 2,824,857 km (0.068 R)
• M6: 3,876,679 km (0.118 R)
• M7: 4,383,966 km (0.109 R)
• M8: 4,806,280 km (0.112 R)
• M9: 5,228,446 km (0.102 R)
• M10: 6,425,378 km (0.114 R)
• M11: 7,005,369 km (0.101 R)
• M12: 7,620,216 km (0.117 R)
• M13: 9,807,636 km (0.112 R)
• M14: 10,933,211 km (0.119 R)
• M15: 11,761,684 km (0.045 R)
• M16: 12,730,629 km (0.056 R)
• M17: 14,122,488 km (0.039 R)
• M18: 15,105,196 km (0.088 R)
• M19: 16,191,426 km (0.077 R)
• M20: 16,843,823 km (0.112 R)
• M21: 18,137,695 km (0.051 R)
• M22: 19,563,213 km (0.118 R)
• M23: 21,554,809 km (0.116 R)
• M24: 22,783,307 km (0.031 R)
• M25: 28,422,847 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.4

Radius: 10.7

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.96 AU - 7.4 AU

Year: 5450 Days

Day: 11.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,253,726 km

• M1: 133,441 km (0.107 R)
• M2: 532,120 km (0.107 R)
• M3: 901,477 km (0.113 R)
• M4: 1,774,979 km (0.043 R)
• M5: 2,352,277 km (0.111 R)
• M6: 2,911,324 km (0.113 R)
• M7: 3,269,461 km (0.11 R)
• M8: 6,135,906 km (0.075 R)
• M9: 7,134,472 km (0.087 R)
• M10: 7,858,227 km (0.093 R)
• M11: 8,343,672 km (0.056 R)
• M12: 9,109,613 km (0.099 R)
• M13: 10,202,874 km (0.069 R)
• M14: 12,695,474 km (0.047 R)
• M15: 16,169,585 km (0.104 R)
• M16: 16,899,174 km (0.076 R)
• M17: 17,359,038 km (0.105 R)
• M18: 18,005,001 km (0.078 R)
• M19: 20,103,111 km (0.045 R)
• M20: 23,265,012 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.5

Radius: 11.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.62 AU - 7.82 AU

Year: 7610 Days

Day: 12.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,253,726 km

• M1: 139,425 km (0.06 R)
• M2: 559,945 km (0.112 R)
• M3: 1,424,471 km (0.107 R)
• M4: 1,862,194 km (0.093 R)
• M5: 2,455,948 km (0.064 R)
• M6: 3,657,070 km (0.097 R)
• M7: 4,022,986 km (0.106 R)
• M8: 4,489,582 km (0.086 R)
• M9: 5,985,261 km (0.036 R)
• M10: 6,762,273 km (0.119 R)
• M11: 10,466,316 km (0.108 R)
• M12: 12,852,252 km (0.075 R)
• M13: 13,487,744 km (0.067 R)
• M14: 26,463,564 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.5

Radius: 7.8

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 14.62 AU - 14.64 AU

Year: 19852 Days

Day: 20.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,253,726 km

• M1: 178,919 km (0.025 R)
• M2: 1,464,414 km (0.09 R)
• M3: 1,902,137 km (0.082 R)
• M4: 2,483,773 km (0.081 R)
• M5: 3,155,019 km (0.085 R)
• M6: 3,545,918 km (0.106 R)
• M7: 6,339,359 km (0.11 R)
• M8: 9,471,490 km (0.036 R)
• M9: 9,721,318 km (0.06 R)
• M10: 10,550,240 km (0.073 R)
• M11: 12,289,016 km (0.09 R)
• M12: 17,196,425 km (0.091 R)
• M13: 23,089,683 km (0.114 R)
• M14: 40,062,160 km (0.095 R)

Kuiper Belt

Range: 30.9 - 46.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 13,641 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit