🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.57 AU - 0.73 AU

Year: 201 Days

Day: 45.5 Hours

Environment

Temp: 166 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.55 AU - 0.87 AU

Year: 229 Days

Day: 33.4 Hours

Environment

Temp: 114 °C

Axial Tilt: 11.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.81 AU - 0.81 AU

Year: 279 Days

Day: 19.5 Hours

Environment

Temp: 31 °C

Axial Tilt: 24.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 37,185,447 km

• M1: 52,958 km (0.09 R)
• M2: 61,335 km (0.059 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.75 AU - 1.05 AU

Year: 327 Days

Day: 12.7 Hours

Environment

Temp: 17 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 37,185,447 km

• M1: 41,738 km (0.08 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.63 AU - 2.67 AU

Year: 1207 Days

Day: 18.9 Hours

Environment

Temp: -98 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.9

Radius: 11.1

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.55 AU - 5.41 AU

Year: 3631 Days

Day: 5.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,185,447 km

• M1: 138,228 km (0.115 R)
• M2: 654,939 km (0.114 R)
• M3: 1,702,274 km (0.081 R)
• M4: 2,385,338 km (0.12 R)
• M5: 3,991,720 km (0.063 R)
• M6: 7,411,827 km (0.092 R)
• M7: 8,388,701 km (0.082 R)
• M8: 9,874,207 km (0.109 R)
• M9: 12,421,111 km (0.112 R)
• M10: 14,244,111 km (0.064 R)
• M11: 16,238,849 km (0.088 R)
• M12: 16,849,507 km (0.076 R)
• M13: 17,648,809 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.6

Radius: 12.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.58 AU - 7.78 AU

Year: 8149 Days

Day: 5.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,185,447 km

• M1: 159,172 km (0.099 R)
• M2: 580,889 km (0.101 R)
• M3: 1,787,844 km (0.113 R)
• M4: 2,406,581 km (0.105 R)
• M5: 3,334,836 km (0.113 R)
• M6: 4,409,547 km (0.037 R)
• M7: 5,486,502 km (0.119 R)
• M8: 5,892,810 km (0.078 R)
• M9: 6,420,741 km (0.113 R)
• M10: 6,980,237 km (0.061 R)
• M11: 10,469,009 km (0.089 R)
• M12: 13,750,139 km (0.08 R)
• M13: 14,981,329 km (0.079 R)
• M14: 22,026,491 km (0.083 R)
• M15: 27,331,681 km (0.106 R)
• M16: 27,877,563 km (0.047 R)
• M17: 29,558,894 km (0.041 R)
• M18: 31,505,312 km (0.089 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 10,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit