🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.97 AU - 1.41 AU

Year: 479 Days

Day: 38.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 27 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 19,695,054 km

• M1: 148,102 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.19 AU - 1.73 AU

Year: 651 Days

Day: 47.7 Hours

Environment

Temp: -29 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.3

Radius: 12.3

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.26 AU - 5.7 AU

Year: 4100 Days

Day: 14.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 19,695,054 km

• M1: 153,039 km (0.083 R)
• M2: 538,253 km (0.118 R)
• M3: 1,431,352 km (0.066 R)
• M4: 2,202,829 km (0.08 R)
• M5: 2,753,349 km (0.106 R)
• M6: 3,905,552 km (0.095 R)
• M7: 4,322,032 km (0.066 R)
• M8: 5,109,814 km (0.113 R)
• M9: 5,552,624 km (0.043 R)
• M10: 6,111,821 km (0.075 R)
• M11: 7,071,192 km (0.082 R)
• M12: 8,541,590 km (0.077 R)
• M13: 9,491,835 km (0.114 R)
• M14: 11,791,454 km (0.091 R)
• M15: 12,518,649 km (0.104 R)
• M16: 13,121,678 km (0.091 R)
• M17: 15,500,434 km (0.091 R)
• M18: 16,196,213 km (0.075 R)
• M19: 17,340,338 km (0.102 R)
• M20: 17,837,901 km (0.069 R)
• M21: 18,537,570 km (0.077 R)
• M22: 20,332,744 km (0.072 R)
• M23: 21,096,292 km (0.077 R)
• M24: 22,533,628 km (0.105 R)
• M25: 23,882,103 km (0.068 R)
• M26: 24,265,971 km (0.105 R)
• M27: 28,766,324 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.7

Radius: 9.8

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.17 AU - 6.01 AU

Year: 4237 Days

Day: 7 Hours

Environment

Temp: -146 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 19,695,054 km

• M1: 121,922 km (0.113 R)
• M2: 465,848 km (0.115 R)
• M3: 1,393,504 km (0.112 R)
• M4: 1,789,191 km (0.079 R)
• M5: 2,672,716 km (0.032 R)
• M6: 3,085,606 km (0.058 R)
• M7: 3,449,876 km (0.115 R)
• M8: 4,392,044 km (0.077 R)
• M9: 5,204,959 km (0.11 R)
• M10: 5,546,939 km (0.073 R)
• M11: 6,636,012 km (0.081 R)
• M12: 7,038,879 km (0.057 R)
• M13: 7,861,966 km (0.11 R)
• M14: 8,313,453 km (0.071 R)
• M15: 8,884,767 km (0.099 R)
• M16: 9,410,304 km (0.058 R)
• M17: 10,678,745 km (0.091 R)
• M18: 13,369,711 km (0.106 R)
• M19: 15,363,253 km (0.096 R)
• M20: 16,482,993 km (0.041 R)
• M21: 17,384,918 km (0.111 R)
• M22: 18,207,706 km (0.104 R)
• M23: 18,884,487 km (0.094 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 13,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit