🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.59 AU - 0.77 AU

Year: 195 Days

Day: 16.3 Hours

Environment

Temp: 204 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.68 AU - 1.06 AU

Year: 283 Days

Day: 30.7 Hours

Environment

Temp: 104 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.87 AU - 0.99 AU

Year: 312 Days

Day: 25.9 Hours

Environment

Temp: 173 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.42 AU - 1.48 AU

Year: 608 Days

Day: 32.7 Hours

Environment

Temp: -9 °C

Axial Tilt: 36.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 21,084,840 km

• M1: 371,900 km (0.11 R)

Asteroid Belt

Center: 1.74 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.67 AU - 2.39 AU

Year: 1007 Days

Day: 18.7 Hours

Environment

Temp: -58 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.51 AU - 3.41 AU

Year: 1774 Days

Day: 34 Hours

Environment

Temp: -85 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696

Radius: 9.5

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.72 AU - 10.4 AU

Year: 8722 Days

Day: 6.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 21,084,840 km

• M1: 118,182 km (0.037 R)
• M2: 524,490 km (0.118 R)
• M3: 1,489,396 km (0.077 R)
• M4: 1,919,640 km (0.118 R)
• M5: 2,641,300 km (0.062 R)
• M6: 3,855,287 km (0.114 R)
• M7: 4,196,370 km (0.113 R)
• M8: 4,849,664 km (0.105 R)
• M9: 8,200,058 km (0.108 R)
• M10: 8,677,873 km (0.105 R)
• M11: 10,726,317 km (0.073 R)
• M12: 11,140,254 km (0.097 R)
• M13: 12,110,546 km (0.098 R)
• M14: 15,230,410 km (0.11 R)
• M15: 16,698,264 km (0.086 R)
• M16: 18,185,416 km (0.116 R)
• M17: 22,244,755 km (0.102 R)
• M18: 24,841,923 km (0.063 R)
• M19: 25,842,883 km (0.065 R)
• M20: 28,022,374 km (0.085 R)
• M21: 28,808,361 km (0.103 R)
• M22: 31,254,586 km (0.11 R)
• M23: 33,505,884 km (0.074 R)
• M24: 34,952,495 km (0.108 R)
• M25: 36,789,557 km (0.059 R)
• M26: 37,969,884 km (0.101 R)
• M27: 40,530,402 km (0.116 R)
• M28: 42,044,182 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.1

Radius: 12

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.69 AU - 10.91 AU

Year: 9877 Days

Day: 14 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,084,840 km

• M1: 151,991 km (0.094 R)
• M2: 635,342 km (0.097 R)
• M3: 1,214,884 km (0.107 R)
• M4: 2,166,925 km (0.079 R)
• M5: 2,714,603 km (0.054 R)
• M6: 4,196,220 km (0.049 R)
• M7: 5,052,668 km (0.091 R)
• M8: 8,032,508 km (0.044 R)
• M9: 8,941,315 km (0.097 R)
• M10: 10,911,669 km (0.05 R)
• M11: 11,433,167 km (0.077 R)
• M12: 13,040,297 km (0.101 R)
• M13: 14,793,135 km (0.058 R)
• M14: 15,367,740 km (0.103 R)
• M15: 18,248,696 km (0.104 R)
• M16: 19,435,157 km (0.08 R)
• M17: 19,970,119 km (0.032 R)
• M18: 20,436,416 km (0.043 R)
• M19: 25,965,702 km (0.084 R)
• M20: 32,631,933 km (0.034 R)
• M21: 37,111,492 km (0.037 R)
• M22: 42,112,100 km (0.041 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.1

Radius: 4.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 13.45 AU - 15.35 AU

Year: 19030 Days

Day: 24 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,084,840 km

• M1: 53,556 km (0.057 R)
• M2: 458,368 km (0.095 R)
• M3: 3,383,605 km (0.091 R)
• M4: 3,629,544 km (0.1 R)
• M5: 3,887,151 km (0.09 R)
• M6: 4,156,876 km (0.093 R)
• M7: 6,521,570 km (0.109 R)
• M8: 9,767,694 km (0.112 R)
• M9: 14,191,153 km (0.04 R)
• M10: 17,801,997 km (0.105 R)
• M11: 19,129,678 km (0.117 R)

Kuiper Belt

Range: 31.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 12,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit