🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.82 AU - 1.3 AU

Year: 401 Days

Day: 38.5 Hours

Environment

Temp: 35 °C

Axial Tilt: 83.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.96 AU - 1.46 AU

Year: 489 Days

Day: 18.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 36.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.78 AU - 3.58 AU

Year: 2082 Days

Day: 39.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.3

Radius: 14.3

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 10.21 AU - 10.61 AU

Year: 12330 Days

Day: 10.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,642,101 km

• M1: 177,872 km (0.087 R)
• M2: 769,681 km (0.111 R)
• M3: 1,476,980 km (0.106 R)
• M4: 2,249,054 km (0.118 R)
• M5: 2,767,710 km (0.091 R)
• M6: 4,576,049 km (0.045 R)
• M7: 5,418,734 km (0.091 R)
• M8: 5,926,469 km (0.076 R)
• M9: 8,493,120 km (0.107 R)
• M10: 11,676,413 km (0.069 R)
• M11: 13,024,589 km (0.074 R)
• M12: 14,117,102 km (0.084 R)
• M13: 15,965,085 km (0.109 R)
• M14: 25,422,513 km (0.105 R)
• M15: 28,053,939 km (0.063 R)
• M16: 32,489,366 km (0.103 R)
• M17: 36,358,566 km (0.086 R)
• M18: 38,172,889 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90

Radius: 5.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 13.42 AU - 16.78 AU

Year: 21540 Days

Day: 24.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,642,101 km

• M1: 70,909 km (0.084 R)
• M2: 631,752 km (0.119 R)
• M3: 817,403 km (0.083 R)
• M4: 1,623,586 km (0.11 R)
• M5: 2,125,935 km (0.086 R)
• M6: 2,628,734 km (0.078 R)
• M7: 3,694,469 km (0.083 R)
• M8: 4,557,798 km (0.047 R)
• M9: 4,873,300 km (0.054 R)
• M10: 6,969,316 km (0.102 R)
• M11: 9,144,619 km (0.049 R)
• M12: 10,312,529 km (0.069 R)
• M13: 12,002,088 km (0.096 R)
• M14: 14,287,195 km (0.109 R)
• M15: 17,600,937 km (0.104 R)
• M16: 19,176,353 km (0.118 R)
• M17: 24,117,570 km (0.109 R)
• M18: 26,787,144 km (0.115 R)
• M19: 27,530,945 km (0.109 R)
• M20: 27,813,386 km (0.048 R)
• M21: 29,157,074 km (0.106 R)
• M22: 33,127,551 km (0.107 R)
• M23: 33,554,054 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 17,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit