🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.63 AU - 0.95 AU

Year: 263 Days

Day: 37.4 Hours

Environment

Temp: 143 °C

Axial Tilt: 0.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.44 AU - 2.38 AU

Year: 989 Days

Day: 12.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,792,922 km

• M1: 644,318 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.4

Radius: 13.4

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.77 AU - 7.17 AU

Year: 6167 Days

Day: 6 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,792,922 km

• M1: 179,368 km (0.062 R)
• M2: 1,772,735 km (0.117 R)
• M3: 2,384,740 km (0.058 R)
• M4: 3,497,449 km (0.059 R)
• M5: 7,806,615 km (0.108 R)
• M6: 9,151,949 km (0.062 R)
• M7: 9,859,996 km (0.118 R)
• M8: 11,033,741 km (0.094 R)
• M9: 11,609,543 km (0.102 R)
• M10: 14,322,201 km (0.062 R)
• M11: 15,007,958 km (0.111 R)
• M12: 15,770,757 km (0.111 R)
• M13: 18,093,264 km (0.067 R)
• M14: 19,591,636 km (0.055 R)
• M15: 20,239,844 km (0.089 R)
• M16: 20,902,263 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.1

Radius: 12.2

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.95 AU - 11.57 AU

Year: 11426 Days

Day: 9.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,792,922 km

• M1: 155,881 km (0.065 R)
• M2: 915,389 km (0.035 R)
• M3: 1,351,916 km (0.097 R)
• M4: 1,806,993 km (0.102 R)
• M5: 2,828,746 km (0.116 R)
• M6: 3,739,199 km (0.1 R)
• M7: 4,324,276 km (0.111 R)
• M8: 5,134,049 km (0.111 R)
• M9: 5,828,333 km (0.064 R)
• M10: 6,293,433 km (0.103 R)
• M11: 6,716,496 km (0.106 R)
• M12: 10,366,384 km (0.068 R)
• M13: 11,238,839 km (0.036 R)
• M14: 12,973,427 km (0.111 R)
• M15: 13,447,053 km (0.111 R)
• M16: 13,986,653 km (0.044 R)
• M17: 14,994,494 km (0.086 R)
• M18: 15,457,798 km (0.113 R)
• M19: 20,772,712 km (0.114 R)
• M20: 23,604,749 km (0.114 R)
• M21: 25,356,989 km (0.091 R)
• M22: 25,932,342 km (0.107 R)
• M23: 28,409,084 km (0.096 R)
• M24: 30,114,799 km (0.111 R)
• M25: 30,574,813 km (0.099 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: 366 - 15,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit