🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.72 AU - 0.94 AU

Year: 285 Days

Day: 20.7 Hours

Environment

Temp: 78 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.44 AU - 1.62 AU

Year: 713 Days

Day: 19.7 Hours

Environment

Temp: -44 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.36 AU - 3.86 AU

Year: 2584 Days

Day: 30.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.4

Radius: 13.7

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.96 AU - 6.26 AU

Year: 5690 Days

Day: 11 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 108,731,461 km

• M1: 170,392 km (0.112 R)
• M2: 732,282 km (0.114 R)
• M3: 1,170,753 km (0.107 R)
• M4: 1,725,462 km (0.115 R)
• M5: 2,703,682 km (0.097 R)
• M6: 3,130,485 km (0.069 R)
• M7: 3,739,797 km (0.079 R)
• M8: 4,692,736 km (0.09 R)
• M9: 6,252,144 km (0.04 R)
• M10: 7,150,778 km (0.105 R)
• M11: 8,253,165 km (0.113 R)
• M12: 8,699,864 km (0.086 R)
• M13: 10,415,752 km (0.067 R)
• M14: 10,986,617 km (0.092 R)
• M15: 12,243,090 km (0.055 R)
• M16: 13,426,259 km (0.032 R)
• M17: 14,684,228 km (0.079 R)
• M18: 15,402,746 km (0.049 R)
• M19: 17,766,991 km (0.075 R)
• M20: 25,608,313 km (0.111 R)
• M21: 27,539,622 km (0.102 R)
• M22: 35,489,402 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.3

Radius: 3.5

Gravity: 80.19 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 13.87 AU - 21.93 AU

Year: 28530 Days

Day: 23.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 108,731,461 km

• M1: 44,281 km (0.048 R)
• M2: 388,805 km (0.109 R)
• M3: 812,765 km (0.066 R)
• M4: 1,021,604 km (0.034 R)
• M5: 2,559,620 km (0.097 R)
• M6: 3,097,125 km (0.112 R)
• M7: 4,824,382 km (0.096 R)
• M8: 7,534,347 km (0.113 R)
• M9: 10,761,323 km (0.066 R)
• M10: 14,041,256 km (0.08 R)
• M11: 14,545,999 km (0.081 R)
• M12: 20,922,459 km (0.091 R)
• M13: 29,617,237 km (0.086 R)
• M14: 32,879,368 km (0.067 R)
• M15: 57,377,964 km (0.113 R)
• M16: 58,664,655 km (0.114 R)
• M17: 62,866,261 km (0.073 R)
• M18: 71,861,880 km (0.12 R)
• M19: 73,859,162 km (0.038 R)
• M20: 95,304,914 km (0.098 R)
• M21: 107,756,244 km (0.07 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 12,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit