🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.49 AU - 0.51 AU

Year: 128 Days

Day: 24.6 Hours

Environment

Temp: 268 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.47 AU - 0.59 AU

Year: 140 Days

Day: 15.3 Hours

Environment

Temp: 195 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.71 AU - 1.03 AU

Year: 293 Days

Day: 22.7 Hours

Environment

Temp: 130 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.96 AU - 2.06 AU

Year: 1031 Days

Day: 16.1 Hours

Environment

Temp: -72 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.38 AU - 4.46 AU

Year: 3361 Days

Day: 44.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,385,676 km

• M1: 1,053,767 km (0.076 R)

Asteroid Belt

Center: 5.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 10

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.5 AU - 5.94 AU

Year: 4947 Days

Day: 8.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,385,676 km

• M1: 124,316 km (0.086 R)
• M2: 571,314 km (0.11 R)
• M3: 1,249,591 km (0.108 R)
• M4: 1,652,458 km (0.09 R)
• M5: 4,248,280 km (0.051 R)
• M6: 4,745,843 km (0.11 R)
• M7: 5,739,472 km (0.119 R)
• M8: 8,314,350 km (0.109 R)
• M9: 14,566,195 km (0.112 R)
• M10: 14,922,388 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.7

Radius: 13.8

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.69 AU - 10.25 AU

Year: 8915 Days

Day: 13 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,385,676 km

• M1: 171,738 km (0.089 R)
• M2: 750,084 km (0.089 R)
• M3: 2,165,878 km (0.098 R)
• M4: 2,884,097 km (0.088 R)
• M5: 4,310,663 km (0.047 R)
• M6: 5,650,611 km (0.113 R)
• M7: 9,999,122 km (0.092 R)
• M8: 11,659,808 km (0.076 R)
• M9: 12,214,666 km (0.111 R)
• M10: 19,539,427 km (0.063 R)
• M11: 23,847,546 km (0.064 R)
• M12: 25,383,318 km (0.047 R)
• M13: 32,082,011 km (0.114 R)
• M14: 33,952,134 km (0.11 R)
• M15: 35,085,637 km (0.043 R)
• M16: 43,076,707 km (0.084 R)
• M17: 43,870,473 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.2

Radius: 12.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.63 AU - 11.79 AU

Year: 10943 Days

Day: 10.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,385,676 km

• M1: 153,637 km (0.095 R)
• M2: 1,475,185 km (0.108 R)
• M3: 1,919,640 km (0.077 R)
• M4: 2,519,228 km (0.08 R)
• M5: 3,716,011 km (0.066 R)
• M6: 4,143,113 km (0.058 R)
• M7: 6,960,939 km (0.113 R)
• M8: 9,405,069 km (0.098 R)
• M9: 11,650,383 km (0.087 R)
• M10: 16,991,177 km (0.103 R)
• M11: 17,733,032 km (0.037 R)
• M12: 22,942,778 km (0.051 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.5

Radius: 8.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 11.7 AU - 12.72 AU

Year: 15430 Days

Day: 8.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,385,676 km

• M1: 125,961 km (0.111 R)
• M2: 543,339 km (0.114 R)
• M3: 875,148 km (0.08 R)
• M4: 3,494,756 km (0.097 R)
• M5: 3,809,360 km (0.086 R)
• M6: 4,435,726 km (0.079 R)
• M7: 6,188,565 km (0.095 R)
• M8: 7,731,966 km (0.089 R)
• M9: 8,360,576 km (0.079 R)
• M10: 9,617,797 km (0.088 R)
• M11: 10,505,211 km (0.109 R)
• M12: 13,687,308 km (0.114 R)
• M13: 17,841,341 km (0.081 R)
• M14: 18,150,111 km (0.085 R)
• M15: 19,995,401 km (0.108 R)
• M16: 21,524,441 km (0.112 R)
• M17: 22,051,025 km (0.064 R)
• M18: 25,587,369 km (0.098 R)
• M19: 27,183,429 km (0.109 R)
• M20: 28,844,713 km (0.077 R)
• M21: 29,270,469 km (0.029 R)
• M22: 30,243,454 km (0.107 R)
• M23: 31,461,928 km (0.07 R)
• M24: 32,828,206 km (0.06 R)
• M25: 33,996,565 km (0.116 R)
• M26: 36,540,028 km (0.089 R)
• M27: 37,289,364 km (0.039 R)
• M28: 37,667,846 km (0.111 R)
• M29: 38,049,022 km (0.117 R)
• M30: 40,655,465 km (0.106 R)
• M31: 47,985,312 km (0.105 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 18,897 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit