🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.49 AU - 0.75 AU

Year: 177 Days

Day: 37.5 Hours

Environment

Temp: 148 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,528,403 km

• M1: 14,661 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.69 AU - 1.03 AU

Year: 290 Days

Day: 36.8 Hours

Environment

Temp: 108 °C

Axial Tilt: 15 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.07 AU - 1.39 AU

Year: 496 Days

Day: 35.2 Hours

Environment

Temp: 11 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 33,528,403 km

• M1: 354,547 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.3 AU - 1.84 AU

Year: 715 Days

Day: 36.1 Hours

Environment

Temp: -49 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.14 AU - 2.94 AU

Year: 1471 Days

Day: 42.4 Hours

Environment

Temp: -92 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,528,403 km

• M1: 1,757,177 km (0.095 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.34 AU - 3.9 AU

Year: 2503 Days

Day: 23.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.6

Radius: 11.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.18 AU - 5.38 AU

Year: 4409 Days

Day: 10.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,528,403 km

• M1: 143,016 km (0.058 R)
• M2: 673,041 km (0.114 R)
• M3: 1,963,622 km (0.057 R)
• M4: 2,696,950 km (0.06 R)
• M5: 5,476,778 km (0.062 R)
• M6: 6,835,276 km (0.12 R)
• M7: 9,202,363 km (0.09 R)
• M8: 10,246,706 km (0.115 R)
• M9: 12,755,163 km (0.08 R)
• M10: 13,561,945 km (0.106 R)
• M11: 15,541,274 km (0.028 R)
• M12: 16,851,153 km (0.108 R)
• M13: 17,997,821 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.9

Radius: 6.6

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 16.1 AU - 22.92 AU

Year: 31320 Days

Day: 23.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,528,403 km

• M1: 82,129 km (0.026 R)
• M2: 374,443 km (0.107 R)
• M3: 1,031,029 km (0.076 R)
• M4: 1,240,914 km (0.086 R)
• M5: 1,629,570 km (0.06 R)
• M6: 2,911,773 km (0.095 R)
• M7: 3,232,660 km (0.084 R)
• M8: 3,850,799 km (0.109 R)
• M9: 5,707,608 km (0.112 R)
• M10: 6,407,426 km (0.065 R)
• M11: 7,056,532 km (0.113 R)
• M12: 13,146,810 km (0.094 R)
• M13: 13,416,685 km (0.077 R)
• M14: 20,913,633 km (0.041 R)
• M15: 24,791,060 km (0.072 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 10,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit