🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.57 AU - 0.77 AU

Year: 207 Days

Day: 35.6 Hours

Environment

Temp: 109 °C

Axial Tilt: 27 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,520,828 km

• M1: 281,992 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.94 AU - 1.3 AU

Year: 447 Days

Day: 15.7 Hours

Environment

Temp: 14 °C

Axial Tilt: 15.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.1 AU - 1.22 AU

Year: 471 Days

Day: 20.6 Hours

Environment

Temp: 5 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 43,520,828 km

• M1: 44,131 km (0.039 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.96 AU - 4.42 AU

Year: 2670 Days

Day: 20 Hours

Environment

Temp: -122 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.57 AU - 4.21 AU

Year: 2890 Days

Day: 28.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.3

Radius: 12.7

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.76 AU - 7.82 AU

Year: 6665 Days

Day: 7 Hours

Environment

Temp: -157 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,520,828 km

• M1: 158,275 km (0.074 R)
• M2: 572,661 km (0.087 R)
• M3: 1,249,741 km (0.036 R)
• M4: 2,226,465 km (0.072 R)
• M5: 5,895,353 km (0.057 R)
• M6: 7,193,414 km (0.109 R)
• M7: 10,106,533 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.5

Radius: 9.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.71 AU - 9.93 AU

Year: 11593 Days

Day: 5.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,520,828 km

• M1: 119,678 km (0.114 R)
• M2: 477,068 km (0.033 R)
• M3: 873,502 km (0.11 R)
• M4: 1,825,244 km (0.118 R)
• M5: 2,144,336 km (0.06 R)
• M6: 3,199,001 km (0.065 R)
• M7: 4,047,969 km (0.083 R)
• M8: 7,947,387 km (0.037 R)
• M9: 9,778,166 km (0.079 R)
• M10: 11,657,564 km (0.088 R)
• M11: 13,586,329 km (0.116 R)
• M12: 14,439,186 km (0.099 R)
• M13: 16,386,502 km (0.052 R)
• M14: 17,352,605 km (0.07 R)
• M15: 17,921,526 km (0.097 R)
• M16: 31,759,030 km (0.055 R)
• M17: 32,825,513 km (0.098 R)
• M18: 34,358,293 km (0.098 R)
• M19: 38,398,333 km (0.087 R)
• M20: 39,976,291 km (0.106 R)
• M21: 43,002,058 km (0.093 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 20,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit