🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.39 AU - 0.61 AU

Year: 128 Days

Day: 35.5 Hours

Environment

Temp: 249 °C

Axial Tilt: 3.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.08 AU - 1.08 AU

Year: 408 Days

Day: 27.5 Hours

Environment

Temp: 15 °C

Axial Tilt: 6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 66,852,592 km

• M1: 596,148 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.87 AU - 1.35 AU

Year: 425 Days

Day: 47.5 Hours

Environment

Temp: 31 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.92 AU - 1.32 AU

Year: 431 Days

Day: 24.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 28.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 66,852,592 km

• M1: 30,817 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.09 AU - 2.25 AU

Year: 1162 Days

Day: 43.5 Hours

Environment

Temp: -77 °C

Axial Tilt: 90.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,852,592 km

• M1: 343,776 km (0.109 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.08 AU - 4.4 AU

Year: 3173 Days

Day: 39.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,852,592 km

• M1: 144,362 km (0.107 R)

Asteroid Belt

Center: 5.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.5

Radius: 12.1

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.97 AU - 7.65 AU

Year: 6459 Days

Day: 8 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,852,592 km

• M1: 150,495 km (0.103 R)
• M2: 665,711 km (0.043 R)
• M3: 1,135,149 km (0.091 R)
• M4: 1,639,593 km (0.108 R)
• M5: 2,030,641 km (0.118 R)
• M6: 3,331,395 km (0.099 R)
• M7: 4,544,783 km (0.075 R)
• M8: 4,951,241 km (0.038 R)
• M9: 6,089,681 km (0.103 R)
• M10: 6,615,068 km (0.114 R)
• M11: 7,690,527 km (0.101 R)
• M12: 8,340,380 km (0.08 R)
• M13: 9,100,936 km (0.083 R)
• M14: 11,055,582 km (0.117 R)
• M15: 11,706,183 km (0.1 R)
• M16: 12,988,985 km (0.114 R)
• M17: 14,825,299 km (0.12 R)
• M18: 15,349,938 km (0.053 R)
• M19: 22,513,582 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.4

Radius: 13.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.98 AU - 12.56 AU

Year: 12846 Days

Day: 10.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,852,592 km

• M1: 249,679 km (0.081 R)
• M2: 908,358 km (0.076 R)
• M3: 1,414,448 km (0.106 R)
• M4: 2,228,410 km (0.063 R)
• M5: 5,428,608 km (0.116 R)
• M6: 6,265,757 km (0.08 R)
• M7: 6,996,244 km (0.114 R)
• M8: 9,626,623 km (0.051 R)
• M9: 18,090,721 km (0.117 R)
• M10: 25,491,178 km (0.114 R)
• M11: 36,510,108 km (0.059 R)
• M12: 39,599,304 km (0.119 R)
• M13: 40,459,941 km (0.069 R)

Asteroid Belt

Center: 12.16 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 13.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.8

Radius: 6.2

Gravity: 14.75 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 13.16 AU - 13.92 AU

Year: 18107 Days

Day: 18.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,852,592 km

• M1: 77,342 km (0.088 R)
• M2: 330,611 km (0.085 R)
• M3: 587,620 km (0.106 R)
• M4: 954,883 km (0.087 R)
• M5: 1,210,546 km (0.116 R)
• M6: 2,455,051 km (0.096 R)
• M7: 3,486,977 km (0.084 R)
• M8: 4,255,311 km (0.05 R)
• M9: 4,579,041 km (0.065 R)
• M10: 5,131,207 km (0.107 R)
• M11: 5,921,832 km (0.12 R)
• M12: 6,790,995 km (0.082 R)
• M13: 9,039,601 km (0.11 R)
• M14: 11,247,516 km (0.075 R)
• M15: 13,652,451 km (0.046 R)
• M16: 22,204,812 km (0.054 R)
• M17: 25,000,946 km (0.089 R)
• M18: 26,591,321 km (0.116 R)
• M19: 30,325,433 km (0.103 R)
• M20: 53,270,306 km (0.071 R)
• M21: 60,457,586 km (0.099 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 11,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit